A deflagration-proof battery test box and test equipment

Abstract

The application provides an anti-explosion battery test box and test equipment, and belongs to the technical field of battery test, which comprises a box body, a push-pull mechanism, a locking mechanism and a test monitoring mechanism; a product containing cavity is formed in the box body; the push-pull mechanism comprises a driving assembly, a product fixture and a door plate, the driving device pushes the product fixture to enter or move away from the product containing cavity and synchronously controls the closing or opening of the door plate; the locking mechanism is fixed on the upper plate, and is used for locking the door plate after abutting against the door plate when the product fixture enters the product containing cavity and the door plate is closed; the test monitoring mechanism is arranged on the upper plate, and comprises a probe test assembly and a monitoring assembly, the monitoring assembly is used for monitoring the internal environment of the product containing cavity and giving a warning in advance. The application has high automation degree, and improves the efficiency and quality of label tearing and pasting.

Description

Technical Field

[0001] This invention belongs to the field of battery testing technology, specifically relating to an explosion-proof battery test box and testing equipment. Background Technology

[0002] Lithium-ion batteries have advantages such as high energy density, long lifespan, light weight, and low self-discharge rate, and are currently widely used in industries such as mobile phones, laptops, digital cameras, electric vehicles, power tools, and new energy vehicles. After production, lithium-ion batteries require performance testing, including charge and discharge tests. During these tests, they need to be placed in relatively enclosed environments. These conditions prevent the large amount of heat generated during operation from dissipating quickly and effectively, causing a rapid rise in battery temperature and increasing the risk of explosion and combustion, resulting in significant losses.

[0003] Chinese patent application number CN201310452333.3 discloses a lithium-ion battery explosion-proof and fire-extinguishing testing device, including a base and a protective shell. The improvement is that the battery is placed between the cavity of the base and the protective shell, and its positive and negative terminals are respectively connected to the test terminals placed on the charge and discharge test lines; the base is equipped with a temperature control switch, which includes a temperature sensor and a signal line; the temperature sensor is connected to the lithium-ion battery, which can detect high temperature abnormalities in a timely manner, cut off the circuit in a timely, fast and effective manner to reduce the battery temperature, and at the same time release inert gas to isolate the battery and prevent the lithium-ion battery from exploding or burning due to high temperature.

[0004] Chinese patent application CN201710353365.6 discloses a battery management system, including a gas sensing module, a smoke sensing module, a temperature sensing module, a control module, a fire extinguishing module, and an early warning module. The gas sensing module senses the concentration of thermal runaway gas in the battery compartment and transmits the sensed concentration value to the control module. The smoke sensing module senses the concentration of smoke in the battery compartment and transmits the sensed smoke concentration value to the control module. The temperature sensing module senses the temperature of the battery compartment and transmits the sensed temperature value to the control module. The control module compares the received concentration values ​​of thermal runaway gas, smoke, and temperature with corresponding reference values ​​and determines the early warning level based on the comparison results. When the early warning level is Level 1, the control module also controls the fire extinguishing module to extinguish the fire and warns relevant personnel to move away from the battery compartment as soon as possible through the early warning module. This battery management system can monitor and provide early warnings for fires caused by battery thermal runaway.

[0005] Existing technologies include monitoring and early warning systems for fires caused by battery thermal runaway. However, there are currently no devices specifically designed for early warning during testing. Furthermore, the confined space within the testing chamber makes it prone to deflagration or explosion, and existing testing equipment is insufficient to withstand the high temperatures and impacts generated by such deflagration. Therefore, there is a need for a deflagration-proof battery testing chamber and equipment that can effectively monitor the internal environment and reduce damage caused by deflagration during battery charging and discharging tests. Summary of the Invention

[0006] Based on the above problems, the purpose of this invention is to provide an explosion-proof battery test box and test equipment.

[0007] To achieve the above objectives, the present invention provides the following technical solution:

[0008] An explosion-proof battery test box includes a box body, a push-pull mechanism, a locking mechanism, and a test monitoring mechanism;

[0009] The box includes a bottom plate, a top plate, and a side plate connecting the bottom plate and the top plate. The box has a hollow box-shaped structure with one end open, and the interior forms a product-accommodating cavity.

[0010] The push-pull structure is fixed on the base plate and includes a drive assembly, a product fixture, and a door panel. The drive device pushes the product fixture into or away from the product receiving cavity and simultaneously controls the closing or opening of the door panel.

[0011] The locking mechanism is fixed to the upper plate and is used to lock the door panel after it enters the product receiving cavity and the door panel is closed.

[0012] The testing and monitoring mechanism is mounted on the upper plate. The testing and monitoring mechanism includes a probe testing component and a monitoring component. The monitoring component is used to monitor the internal environment of the product cavity and issue an early warning.

[0013] Preferably, the base plate and the top plate are fixedly connected by a plurality of columns; the side plate includes a detachable first side plate, a second side plate and a third side plate fixed to the columns.

[0014] Preferably, the drive assembly includes a telescopic cylinder.

[0015] The telescopic cylinder is fixed to the upper surface of the base plate. Guide rails are distributed parallel to both sides of the telescopic cylinder. It also includes a tray. The tray is fixed to the slider of the guide rail and connected to the telescopic rod of the telescopic cylinder. The telescopic cylinder is used to push the tray to move along the direction of the guide rail.

[0016] Preferably, the drive assembly further includes an opening and closing control cylinder, which is fixed to the lower surface of the base plate by an auxiliary rotating device; a connecting rod is fixed to the end of the drive shaft of the opening and closing control cylinder, the end of the connecting rod is annular and a rotating shaft passes through it, and closing ribs are provided at both ends of the rotating shaft, one end of the closing rib is connected to the rotating shaft and the other end is fixed to the door panel; the closing rib rotates around the axis of the rotating shaft.

[0017] Preferably, the product fixture includes a gripper finger cylinder fixed on the tray, the gripper finger cylinder being fixed to the upper surface of the tray away from the product receiving cavity; the gripper finger cylinder has two retractable grippers arranged in parallel, the grippers being perpendicular to the tray and the retraction direction being parallel to the upper surface of the tray;

[0018] The gripper is fixed with a support rib plate, and the two support rib plates are respectively located on both sides of the tray, and the tray is provided with a receiving groove for the support rib plates to move.

[0019] A product station for placing products is formed between the upper surface of the tray, the supporting ribs, and the gripper finger cylinders.

[0020] Preferably, a movable plate is fixed to the upper surface of the supporting rib, and a movable slider is fixed to the movable plate;

[0021] A backing plate is also fixed on the gripper finger cylinder. The backing plate is located on the side of the gripper finger cylinder away from the product receiving cavity. A guide plate is fixed on the backing plate. A movable guide rail is fixed on the lower surface of the guide plate. The movable guide rail cooperates with the movable slider to move the movable plate along the direction of the movable guide rail.

[0022] Preferably, the back plate is provided with a pressing cylinder, which is located in the gap between the two moving plates and the extension and retraction direction of the pressing cylinder faces the product; a pressing plate is fixed to the end of the extension and retraction shaft of the pressing cylinder; and pressing rollers are provided on both sides of the pressing plate.

[0023] Preferably, the locking mechanism includes a locking base fixed to the upper surface of the upper plate, and rotating rods are provided on both sides of the locking base. The rotating rods are connected to rotating blocks and the rotating blocks rotate around the rotating rods.

[0024] The two rotating blocks are connected as one unit by a connecting block, and a locking cylinder passes through the connecting block;

[0025] The locking mechanism further includes a limiting block, which is fixed between the upper plate and the connecting block;

[0026] The end of the telescopic shaft of the locking cylinder is fixed inside the limiting block.

[0027] Preferably, the rotating block is L-shaped, with one end connected to the rotating rod and the other end extending beyond the lower surface of the upper plate and having a pressure wheel fixed at its end.

[0028] Preferably, the probe testing assembly includes a top surface testing device, a first side surface testing device, and a second side surface testing device for electrical connection with the product.

[0029] Preferably, the top surface testing device includes a first top surface probe and a second top surface probe, wherein the first top surface probe and the second top surface probe are respectively fixed to the ends of the first floating column and the second floating column;

[0030] The first floating column and the second floating column both penetrate the upper plate and are connected by a lifting plate. The upper plate is equipped with a lifting cylinder, which is used to move the first floating column and the second floating column up and down.

[0031] The first side testing device and the second side testing device are located in the product receiving cavity and are respectively provided with a first side probe and a second side probe. The first side probe is fixed to the end of the telescopic shaft of the first docking cylinder, and the second side probe is fixed to the end of the telescopic shaft of the second docking cylinder.

[0032] Preferably, the monitoring components are disposed on the upper plate and include at least an infrared sensor, a temperature sensor, a smoke sensor, and a coolant injection device.

[0033] Preferably, the refrigerant injection device includes a water pump and a water pipe leading into the product receiving cavity.

[0034] Preferably, the detection component further includes a ventilation duct that connects the product receiving cavity to the outside.

[0035] The present invention also provides an explosion-proof battery testing device, comprising several independent explosion-proof battery testing boxes as described in any one of the above.

[0036] Compared with the prior art, the present invention has the following advantages:

[0037] This invention provides an explosion-proof battery test chamber and testing device. The product to be tested is sealed inside the chamber using a push-pull structure and a locking structure. When loading the product, it is placed in a product fixture, and then pushed into the product receiving cavity via the push-pull structure. Simultaneously, the door closes, and the locking structure presses the door tightly, ensuring a sealed interior. The chamber is made of high-strength aluminum alloy and employs a mortise and tenon structure, providing excellent high-temperature resistance and impact resistance. An internal testing and monitoring mechanism is installed. After the product is placed into the receiving cavity, the probe testing component is electrically connected to the product to begin testing. During the test, the monitoring component monitors the internal environment of the receiving cavity, including temperature, smoke, and infrared radiation. If open flame is detected, coolant is injected promptly to prevent further explosion. This device employs graded control; temperature, infrared, and smoke sensors correspond to measures such as stopping the test, powering off the equipment, injecting coolant, and triggering an alarm, effectively monitoring the internal environment and reducing damage caused by explosion. Attached Figure Description

[0038] Figure 1 This is a schematic diagram of the structure of an explosion-proof battery test box according to the present invention;

[0039] Figure 2 This is a schematic diagram of the first structure of the push-pull mechanism in an explosion-proof flammable battery test box according to the present invention;

[0040] Figure 3 This is a schematic diagram of the second structure of the push-pull mechanism in an explosion-proof flammable battery test box according to the present invention;

[0041] Figure 4 This is a schematic diagram of the third structure of the push-pull mechanism in an explosion-proof flammable battery test box according to the present invention;

[0042] Figure 5 This is a bottom view of the push-pull mechanism in an explosion-proof flammable battery test box according to the present invention;

[0043] Figure 6 This is a schematic diagram of the locking mechanism in an explosion-proof battery test chamber according to the present invention;

[0044] Figure 7 This is a schematic diagram of the testing and monitoring mechanism in an explosion-proof fuel cell test chamber according to the present invention;

[0045] Figure 8 This is a top view of the testing and monitoring mechanism in an explosion-proof battery test chamber according to the present invention;

[0046] Figure 9 This is a bottom view of the testing and monitoring mechanism in an explosion-proof flammable battery test chamber according to the present invention;

[0047] Figure label:

[0048] 1-Product; 2-Push-pull mechanism; 201-Base plate; 202-Guide rail; 203-Telescopic cylinder; 204-Pattern;

[0049] 205-Support rib; 206-Push back plate; 207-Gripper finger cylinder; 208-First moving plate;

[0050] 209-Second moving plate; 210-Moving slider; 211-Guide rail plate; 212-Push plate; 213-Push roller; 214-Door panel; 215-Opening and closing control cylinder; 216-Connecting rod; 217-Rotating shaft; 218-Closing rib; 219-Reinforcing sheet metal;

[0051] 3-Locking mechanism; 301-Locking cylinder; 302-Connecting block; 303-Rotating block; 304-Pressure wheel; 305-Rotating rod; 306-Limit wheel; 307-Limit block; 308-Locking base;

[0052] 4-Enclosure; 5-Testing and monitoring mechanism; 501-Temperature sensor; 502-Infrared sensor;

[0053] 503-Top surface testing device; 5031-First top surface probe; 5032-Second top surface probe;

[0054] 504 - Coolant injection device; 505 - Air duct; 506 - Smoke sensor; 5071 - First side probe; 5072 - First docking cylinder; 5081 - Second side probe; 5082 - Second docking cylinder;

[0055] 509 - First positioning sensor; 510 - Second positioning sensor; 511 - 6 - Electrical control box. Detailed Implementation

[0056] To make the objectives and technical solutions of the embodiments of the present invention clearer, the technical solutions of the present invention will be clearly and completely described below in conjunction with the embodiments of the present invention.

[0057] In the description of this application, it should be understood that the terms indicating orientation or positional relationship are based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this application and simplifying the description, and are not intended to indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this application.

[0058] like Figure 1 As shown, the present invention provides an explosion-proof battery test box. The entire battery test box is fixed on a profile frame and specifically includes a box body 4, a push-pull mechanism 2, a locking mechanism 3, and a test monitoring mechanism 5.

[0059] like Figures 2-5As shown, the housing 4 includes a base plate 201, an upper plate, and side plates connecting the base plate 201 and the upper plate. The base plate 201 is fixed to the profile frame, serving as the bottom support structure of the entire explosion-proof battery test chamber. Multiple reinforcing sheet metal pieces 219 are also provided between the base plate 201 and the profile frame to improve the overall stability of the device. After assembly, the housing 4 has a hollow box-like structure with one open end, forming an internal product receiving cavity for the product 1 to be tested. The base plate 201 and the upper plate are fixedly connected by several columns, thus forming the basic frame of the entire explosion-proof housing 4 through the base plate 201, the upper plate, and the connected columns. The side plates include a detachable first side plate, a second side plate, and a third side plate fixed to the columns. Typically, a basic frame is first built based on the columns to facilitate the debugging of internal equipment. Finally, the first, second, and third side panels are installed. The first, second, and third side panels are fixed with mortise and tenon joints, which provides strong impact resistance. The first, second, and third side panels can be disassembled to facilitate the maintenance and replacement of internal components.

[0060] The push-pull structure is fixed to the base plate 201 and includes a drive assembly, a product 1 fixture, and a door panel 214. The drive device pushes the product 1 fixture into or away from the product receiving cavity and simultaneously controls the closing or opening of the door panel 214. The drive assembly can be driven by a motor, hydraulically, or by a cylinder, or a combination of these methods. In this embodiment, the drive assembly specifically includes a telescopic cylinder 203, which is fixed to the upper surface of the base plate 201. The telescopic cylinder 203 moves in the direction of its extension rod toward or away from the opening of the housing 4. Parallel guide rails 202 are distributed on both sides of the telescopic cylinder 203, and each guide rail 202 is equipped with a slider. The guide rails 202 and the cylinder are parallel to each other. The guide rails 202 serve to assist in guiding the movement and support the connected structure, improving the stability of the overall device. They also share the load borne by the cylinder during its movement. It also includes a tray 204, which is fixed on the slider of the guide rail 202 and connected to the telescopic rod of the telescopic cylinder 203; the telescopic cylinder 203 is used to push the tray 204 to move along the direction of the guide rail 202, and when the telescopic rod of the telescopic cylinder 203 extends or retracts, it can drive the tray 204 to move forward or backward along the telescopic direction.

[0061] The drive assembly also includes an opening / closing control cylinder 215, which is fixed to the lower surface of the base plate 201 via an auxiliary rotating device. The installation direction of the opening / closing control cylinder 215 is parallel to the installation direction of the telescopic cylinder 203. There is a certain distance between the opening / closing control cylinder 215 and the base plate 201, allowing the opening / closing control cylinder 215 to rotate on a plane perpendicular to the base plate 201. The main function is achieved through the auxiliary rotating device, which specifically includes auxiliary rotating bases fixed on both sides of the opening / closing control cylinder 215. A clamp is tightly fitted around the opening / closing control cylinder 215 in a circumferential direction. The clamp is connected to the auxiliary rotating base via an auxiliary rotating bearing. Therefore, the opening / closing control cylinder 215 can rotate relative to the base plate 201 around the axis of the auxiliary rotating bearing. The telescopic rod of the opening / closing control cylinder 215 is fixed with a connecting rod 216 at its end. The end of the connecting rod 216 is annular, and the axis of the annular structure at the end is perpendicular to the axis of the connecting rod 216. A rotating shaft 217 is fixedly inserted through the annular structure at the end of the connecting rod 216. The two ends of the rotating shaft 217 are fixedly connected to a closing rib 218 via bearings. The closing rib 218 is bent, with one end connected to the rotating shaft 217 and the other end fixed to the door panel 214. The closing rib 218 can rotate around the axis of the rotating shaft 217. At the same time, a rotating bearing is fixedly inserted at the bend of the closing rib 218 and connected to the hinge block of the door panel 214 via the rotating bearing. The hinge block of the door panel 214 is fixed to the lower surface of the base plate 201. Therefore, when the opening and closing control cylinder 215 retracts, the door panel 214 opens. When the opening and closing control cylinder 215 extends, since the position of the hinge block of the door panel 214 is fixed, the rotating bearing serves as the movable hinge position of the door panel 214. At the same time as the opening and closing control cylinder 215 extends, the closing rib 218 rotates around the rotating bearing. Since the opening and closing control cylinder 215 itself can rotate and there is also a rotation point at the end of the rotating shaft 217, the closing rib 218 continues to rotate around the rotating bearing until the door panel 214 closes.

[0062] The product 1 fixture includes a gripper finger cylinder 207 fixed on the tray 204. The gripper finger cylinder 207 is fixed on the upper surface of the tray 204 away from the product receiving cavity. Two retractable grippers are arranged parallel to each other at both ends of the gripper finger cylinder 207. The grippers are perpendicular to the tray 204 and their extension and retraction direction is parallel to the upper surface of the tray 204 and perpendicular to the movement direction of the extension cylinder 203. Support ribs 205 are fixed on the grippers. The two support ribs 205 are located on both sides of the tray 204, and the tray 204 has a receiving groove for the support ribs 205 to move. When the gripper finger cylinder 207 opens, the support ribs 205 move away from the edge of the tray 204. When the gripper finger cylinder 207 retracts, the support ribs 205 move closer to the edge of the tray 204. The receiving groove provides space for the support ribs 205 to move. A product station for placing product 1 is formed between the upper surface of the tray 204, the supporting rib 205, and the gripper finger cylinder 207. The gripper finger cylinder 207 opens to allow product 1 to be placed in. After product 1 is placed in the product station, the gripper finger cylinder 207 retracts to clamp product 1 and prevent it from moving.

[0063] A movable plate is fixed to the upper surface of the support rib 205, and a movable slider 210 is fixed to the movable plate. One movable plate is fixed to each support rib 205, and at least one movable slider 210 is fixed to each movable plate. In this application, two movable plates are provided, forming a symmetrical structure: a first movable plate 208 and a second movable plate 209. Therefore, there are a total of two movable plates and four movable sliders 210, arranged in an array. A pressing back plate 206 is also fixed to the gripper finger cylinder 207. The pressing back plate 206 is located on the side of the gripper finger cylinder 207 away from the product receiving cavity. A guide rail plate 211 is fixed to the pressing back plate, and a movable guide rail is fixed to the lower surface of the guide rail plate 211. The movable guide rail cooperates with the movable slider 210, causing the first movable plate 208 and the second movable plate 209 to move along the direction of the movable guide rail. Therefore, when the gripper finger cylinder 207 opens or retracts, the support rib 205 moves synchronously. At the same time, the sliding block 210 on the moving plate above the support rib 205 moves on the moving guide rail. Since the moving guide rail is fixed, the straightness of the sliding block 210 during movement is ensured, and the parallelism between the two support ribs 205 is also guaranteed.

[0064] Preferably, the back plate 206 is equipped with a pressing cylinder, which is located in the gap between the two moving plates and faces the product 1 in the extension / retraction direction; a pressing plate 212 is fixed to the end of the extension / retraction shaft of the pressing cylinder; pressing rollers 213 are provided on both sides of the pressing plate 212. The gripper finger cylinder 207 can clamp the product 1 from both sides, and at the same time, the pressing cylinder extends and can press against the product 1 from the front, thus achieving the positioning of the product 1.

[0065] like Figure 6 As shown, the locking mechanism 3 is fixed on the upper plate, wherein the locking mechanism 3 is used to lock the door panel 214 after the product 1 fixture enters the product receiving cavity and the door panel 214 is closed and abuts against it.

[0066] The locking mechanism 3 includes a locking base 308 fixed to the upper surface of the upper plate. The locking base 308 has rotating rods 305 on both sides. The rotating rods 305 are connected to rotating blocks 303, and the rotating blocks 303 rotate around the rotating rods 305. The rotating blocks 303 are L-shaped, including a first L-side and a second L-side. One end of the two rotating blocks 303 is located on both sides of the locking base 308, and the first L-side is connected as a whole by a connecting block 302. A locking cylinder 301 passes through the connecting block 302. During the extension or retraction of the locking cylinder 301, its telescopic rod and end connecting structure abut against the upper surface of the upper plate. Therefore, the body of the locking cylinder 301 will move up and down. Since the locking cylinder 301 is fixed on the connecting block 302, it can push the rotating block 303 to rotate around the rotating rod 305. The other end of the rotating block 303 extends beyond the lower surface of the upper plate and is fixed with a pressure wheel 304. When product 1 is being fed, the locking cylinder 301 extends, the rotating block 303 rises, and waits for product 1 to be fed and the door panel 214 to close. After the door panel 214 is closed, the locking cylinder 301 retracts, the rotating block 303 falls back, and the pressure wheel 304 presses the door panel 214 to prevent the door panel 214 from detaching or opening. The locking mechanism 3 also includes a limiting block 307, which is fixed between the upper plate and the connecting block 302. The end of the telescopic shaft of the locking cylinder 301 is fixed inside the limiting block 307, which locks the position of the end of the telescopic rod of the locking cylinder 301 to prevent slippage.

[0067] like Figures 7-9 As shown, a first positioning sensor 509 and a second positioning sensor 510 are fixed on the lower surface of the upper plate. The first positioning sensor 509 and the second positioning sensor 510 are arranged alternately to detect whether the product 1 has entered the box 4 and whether the product 1 has been positioned.

[0068] The test and monitoring mechanism 5 is mounted on the upper plate. The test and monitoring mechanism 5 includes a probe test component and a monitoring component. The monitoring component is used to monitor the internal environment of the product cavity and issue an early warning.

[0069] The probe testing assembly includes a top surface testing device 503, a first side surface testing device, and a second side surface testing device for electrical connection with the product 1. The top surface testing device 503 includes a first top surface probe 5031 and a second top surface probe 5032, which are respectively fixed to the ends of a first floating column and a second floating column. Both the first and second floating columns penetrate the upper plate and are connected by a lifting plate. A lifting cylinder is provided on the upper plate to move the first and second floating columns up and down. The first and second side surface testing devices are located within the product receiving cavity and are respectively equipped with a first side surface probe 5071 and a second side surface probe 5081. The first side surface probe 5071 is fixed to the end of the telescopic shaft of a first docking cylinder 5072, and the second side surface probe 5081 is fixed to the end of the telescopic shaft of a second docking cylinder 5082.

[0070] After the product under test 1 is placed into the product housing and fixed, according to the test items, the lifting cylinder, the first docking cylinder 5072 and the second docking cylinder 5082 selectively descend or extend, inserting the first top surface probe 5031, the second top surface probe 5032, the first side surface probe 5071 and the second side surface probe 5081 into the product under test 1 to conduct product testing.

[0071] If overheating occurs or sparks or open flames are generated during the test, the lifting cylinder, the first docking cylinder 5072 and the second docking cylinder 5082 will rise or retract to separate the probe from the product under test 1, and the power will be cut off to stop the test.

[0072] The monitoring assembly is mounted on the upper plate and includes at least an infrared sensor 502, a temperature sensor 501, a smoke sensor 506, and a coolant injection device 504. The coolant injection device 504 includes a water pump and a water pipe leading into the product housing cavity; when an open flame appears inside the housing 4, the coolant injection device 504 promptly injects coolant to extinguish the fire. The detection assembly also includes a ventilation duct 505 connecting the product housing cavity to the outside, which can promptly exhaust internal smoke.

[0073] In this invention, a control box 6 is also fixed on the profile frame. The control box is equipped with several electronic component control parts for controlling the components in the explosion-proof battery test box.

[0074] The working principle of the explosion-proof battery test box provided by this invention is as follows:

[0075] In the initial state, the opening / closing control cylinder 215 extends, the door panel opens, the telescopic cylinder 203 extends, and the gripper finger cylinder 207 opens, awaiting the placement of product 1. Once product 1 is placed in the product station, the gripper finger cylinder 207 retracts, positioning and clamping product 1. The telescopic cylinder 203 retracts, and the opening / closing control cylinder 215 retracts simultaneously. As product 1 enters the housing 4, the door panel 214 slowly closes until product 1 reaches the designated test position. At this point, the locking cylinder 301 retracts, and the pressure wheel 304 presses down on the door panel 214 to prevent it from detaching or opening. According to the test requirements, the first top probe 5031, the second top probe 5032, the first side probe 5071, and the second side probe 5081 are inserted into the product 1 under test for testing. During this process, the monitoring components continuously monitor for high temperatures or open flames inside the housing and promptly extinguish or alarm for these phenomena.

[0076] The present invention also provides an explosion-proof battery testing device, comprising several independent explosion-proof battery testing boxes; the battery testing boxes are independently set up to simultaneously test multiple products 1 under test without interfering with each other. At the same time, if a safety risk occurs in one of the battery testing boxes, it can be detected and dealt with in a timely manner and replaced, without affecting the continued operation of the other battery testing boxes, thus ensuring work efficiency.

[0077] The above are merely some embodiments of the present invention, described in a relatively specific and detailed manner, but they should not be construed as limiting the scope of the present invention. It should be noted that those skilled in the art can make various modifications and improvements without departing from the concept of the present invention, and these obvious substitutions all fall within the protection scope of the present invention.

Claims

1. An anti-detonation battery test box, characterized in that: it comprises a box body, a push-pull mechanism, a locking mechanism and a test monitoring mechanism; the box body comprises a bottom plate, an upper plate and side plates connecting the bottom plate and the upper plate, and has a hollow box structure with one end open, forming a product containing cavity inside; the push-pull mechanism is fixed on the bottom plate and comprises a driving assembly, a product fixture and a door plate, the driving assembly pushes the product fixture into or away from the product containing cavity and synchronously controls the closing or opening of the door plate; the locking mechanism is fixed on the upper plate and is used for abutting and locking the door plate after the product fixture enters the product containing cavity and the door plate is closed; the test monitoring mechanism is arranged on the upper plate and comprises a probe test assembly and a monitoring assembly, the monitoring assembly is used for monitoring the internal environment of the product containing cavity and giving a pre-warning; the driving assembly comprises a telescopic cylinder, the telescopic cylinder is fixed on the upper surface of the bottom plate, and guide rails are arranged in parallel on both sides of the telescopic cylinder, the driving assembly further comprises a tray, the tray is fixed on the sliding block of the guide rail and connected with the telescopic rod of the telescopic cylinder, and the telescopic cylinder is used for pushing the tray to move along the direction of the guide rail; the driving assembly further comprises an opening and closing control cylinder, the opening and closing control cylinder is fixed on the lower surface of the bottom plate through an auxiliary rotating device, the driving shaft of the opening and closing control cylinder is fixed with a connecting rod at the tail end, the connecting rod is annular at the tail end and penetrates a rotating shaft inside, the rotating shaft is provided with a closing rib plate at both ends, one end of the closing rib plate is connected with the rotating shaft, and the other end is fixed on the door plate, and the closing rib plate rotates around the axis of the rotating shaft; the locking mechanism comprises a locking base fixed on the upper surface of the upper plate, and the locking base is provided with rotating rods on both sides, the rotating rods are connected with rotating blocks, and the rotating blocks rotate around the rotating rods; two rotating blocks are connected into one through a connecting block, and a locking cylinder penetrates the connecting block; during the extension or retraction of the locking cylinder, the telescopic rod and the tail end connecting structure thereof abut on the upper surface of the upper plate; the locking mechanism further comprises a limiting block fixed between the upper plate and the connecting block; the telescopic shaft of the locking cylinder is fixed in the limiting block; the rotating block is L-shaped, one end of the rotating block is connected with the rotating rod, the other end extends beyond the lower surface of the upper plate and is fixed with a pressing wheel at the tail end.

2. The anti-detonation battery test box according to claim 1, characterized in that: the bottom plate and the upper plate are fixedly connected through a plurality of stand columns; and the side plates comprise detachable first, second and third side plates fixed on the stand columns.

3. The anti-detonation battery test box according to claim 2, characterized in that: ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ The product fixture comprises a clamping finger air cylinder fixed on the tray, the clamping finger air cylinder is fixed on the upper surface of the tray away from the product accommodating cavity; the clamping finger air cylinder is provided with two telescopic clamping fingers in parallel, the clamping fingers are perpendicular to the tray and the telescopic direction is parallel to the upper surface of the tray; The clamping fingers are fixed with support rib plates, the two support rib plates are respectively located on the two sides of the tray and the tray is provided with accommodating grooves for the movement of the support rib plates; The product station for placing products is formed between the upper surface of the tray, the support rib plates and the clamping finger air cylinder.

4. A deflagration-proof battery test case according to claim 3, characterized in that: The upper surface of the support rib plate is fixed with a moving plate, the moving plate is fixed with a moving slider; The clamping finger air cylinder is also fixed with a push-back plate, the push-back plate is located on the side of the clamping finger air cylinder away from the product accommodating cavity; the push-back plate is fixed with a guide rail plate, the lower surface of the guide rail plate is fixed with a moving guide rail, and the moving guide rail cooperates with the moving slider to move the moving plate along the direction of the moving guide rail.

5. A deflagration-proof battery test case according to claim 4, characterized in that: The push-back plate is provided with a push-back air cylinder, the push-back air cylinder is located in the gap between the two moving plates and the telescopic direction of the push-back air cylinder faces the product; the telescopic shaft of the push-back air cylinder is fixed with a push-back plate at the end; the two sides of the push-back plate are provided with push-back rollers.

6. The explosion-proof battery test box of claim 1, wherein: The probe test assembly comprises a top surface test device, a first side surface test device, and a second side surface test device for electrically connecting with the product.

7. The explosion-proof battery test box of claim 6, wherein: The top surface test device comprises a first top surface probe and a second top surface probe, and the first top surface probe and the second top surface probe are respectively fixed at the end of the first floating column and the second floating column; The first floating column and the second floating column are both penetrated through the upper plate and connected through a lifting plate, the upper plate is provided with a lifting air cylinder, and the lifting air cylinder is used for moving the first floating column and the second floating column up and down; The first side surface test device and the second side surface test device are located in the product accommodating cavity and respectively provided with a first side surface probe and a second side surface probe, the first side surface probe is fixed at the end of the telescopic shaft of the first docking air cylinder, and the second side surface probe is fixed at the end of the telescopic shaft of the second docking air cylinder.

8. The explosion-proof battery test box of claim 1, wherein: The monitoring assembly is arranged on the upper plate and comprises at least an infrared sensor, a temperature sensor, a smoke sensor, and a refrigerant injection device.

9. The explosion-proof battery test box of claim 8, wherein: The refrigerant injection device comprises a water pump and a water pipe connected into the product accommodating cavity.

10. A deflagration-proof battery test case according to claim 8, characterized in that: The monitoring assembly further comprises a blast pipe connected between the product accommodating cavity and the outside.

11. A deflagration-proof battery testing apparatus, characterized by: A plurality of independent explosion-proof battery test boxes as claimed in any one of claims 1-10 are included.

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