Device and method for detecting quality of protective cover of charging port of electric vehicle

Abstract

The invention relates to the technical field of protection cover quality detection, and discloses an electric vehicle charging port protection cover quality detection device and method, and the device comprises a bottom frame and a protection cover body, one end of the protection cover body is provided with a connecting hole, and the inner wall of the bottom of the bottom frame is rotatably connected with a rotating disc. A stepping motor is fixed to the outer wall of one side of the bottom frame through bolts, an output shaft of the stepping motor is in key connection with a driving gear, and a driven gear is fixed to the top of the rotary table through bolts. Therefore, the available space of a factory is expanded, the investment cost of the factory is further reduced, the protective cover body in different states can be detected through staggered arrangement of conductivity detection, high temperature resistance detection and waterproofness detection, the actual use condition is further fit, and the detection accuracy is improved.

Description

Technical Field

[0001] The present invention relates to the technical field of protective cover quality detection, and in particular to a quality detection device and a detection method for a protective cover of a charging port of an electric vehicle. Background Art

[0002] An electric vehicle is a vehicle that uses an onboard power source as its motive force, uses an electric motor to drive its wheels, and complies with all requirements of road traffic and safety regulations. Most electric vehicles are equipped with a charging port, and some electric vehicles' charging ports are also equipped with protective covers.

[0003] At present, the protective covers of electric vehicle charging ports will undergo quality inspections after production is completed, mainly for conductivity testing, high temperature resistance testing and waterproof testing of the protective covers, to simulate dangerous situations that the charging ports may encounter.

[0004] However, there are still several problems in the process of protective cover detection: 1. The conductivity test, high temperature resistance test and waterproof test of the protective cover are usually carried out on multiple devices. Multiple devices occupy a large space, resulting in a smaller available space in the factory, which requires the factory to invest more costs; 2. When inspecting the protective covers, the workers usually place the protective covers one by one, which requires the workers to work at their workstations for a long time. However, the workers have limited energy, which results in low inspection efficiency of the protective covers. 3. After the waterproof test of the protective cover, water may sometimes accumulate in the protective cover, requiring the staff to clean the protective cover, which increases the labor of the staff and makes the staff more easily fatigued, resulting in further reduction in the detection efficiency of the protective cover. Summary of the invention

[0005] Technical issues solved In view of the shortcomings of the prior art, the present invention provides a quality inspection device and method for a protective cover of an electric vehicle charging port, mainly to solve the problem that the conductivity inspection, high temperature resistance inspection and waterproof inspection of the protective cover are usually carried out on multiple devices, and the multiple devices occupy a large space, resulting in a smaller available space in the factory and low inspection efficiency of the protective cover.

[0006] Technical Solution To achieve the above object, the present invention provides the following technical solutions: A quality inspection device for a protective cover of a charging port of an electric vehicle comprises a base frame and a protective cover body, one end of the protective cover body is provided with a connecting hole, a bottom inner wall of the base frame is rotatably connected with a turntable, a stepper motor is fixed to an outer wall of one side of the base frame by bolts, an output shaft key of the stepper motor is connected with a driving gear, a driven gear is fixed to the top of the turntable by bolts, and the driving gear is meshed with the driven gear, a processor is provided on the top of the base frame, and a discharge module for holding a plurality of protective cover bodies, a heating module for heating the protective cover bodies, a waterproof inspection module for injecting water into the protective cover bodies, a plurality of blocking modules for discharging the protective cover bodies, a drainage module for flipping one end of the protective cover bodies, and a visual inspection module for confirming the appearance of the protective cover bodies are provided on the circumferential outer side of the base frame. The invention relates to a visual detection module group and two resistance detection modules for detecting the conductivity of the protective cover body, and a plurality of material blocking modules are respectively arranged at the positions of the visual detection module and the resistance detection module, the visual detection module comprises an upper detection module and two lower detection modules, the upper detection module and one of the lower detection modules are located between the heating module and the waterproof detection module, and the other lower detection module is located at the rear end of the waterproof detection module, the two resistance detection modules are respectively located at the front end and the rear end of the heating module, a discharge chute is provided on one side of the base frame, a plurality of evenly distributed arc grooves for placing the protective cover body are provided on the circumferential outer side of the turntable, a discharging mechanism with the same number as the arc grooves is provided on the circumferential outer side of the turntable for pushing the protective cover body out of the arc groove, and the discharging mechanism is electrically connected to the processor.

[0007] Furthermore, the discharge module includes a frame, which is fixed to an outer wall of one side of the base frame by bolts, and a plurality of protective cover bodies are stacked in the frame, a plurality of evenly distributed limit plates are welded to one side of the frame, and one end of the protective cover body is in contact with the limit plate, guide grooves are provided on the inner walls on both sides of the frame, a plurality of partition frames are placed in the guide grooves, and the partition frames are located between two adjacent protective cover bodies, and one end of the partition frame does not exceed the arc surface of the arc groove, a discharge port is provided on the bottom outer wall of the base frame, a collection box is fixed to the bottom outer wall of the base frame by bolts, and an arc-shaped support plate is welded to one side of the collection box.

[0008] On the basis of the above-mentioned scheme, the two resistance detection modules each include a first fixing frame, which is fixed to an outer wall of one side of the base frame by bolts, a first lifting electric push rod is fixed to the top of the first fixing frame by bolts, a piston rod of the first lifting electric push rod passes through the first fixing frame and is fixed to a connecting plate by bolts, a first contact and a second contact are respectively fixed to both ends of the connecting plate by bolts, the first contact and the second contact are both electrically connected to the detection head of the ohmmeter arranged on the base frame, and the ohmmeter is electrically connected to the processor, a first guide rod is fixed to the top of the connecting plate by bolts, and the first guide rod passes through the first fixing frame and is slidably connected to the first fixing frame.

[0009] As a further solution of the present invention, the heating module includes a placement groove, which is opened on the bottom inner wall of the base frame, and multiple heating wires are arranged between the inner walls on both sides of the placement groove. A heat conducting plate is fixed to the top of the placement groove by bolts, and the top of the heat conducting plate is flush with the bottom inner wall of the base frame. A temperature sensor is fixed to the bottom outer wall of the base frame by bolts, and the detection end of the temperature sensor passes through the base frame and extends into the placement groove. A cover is fixed to the top outer wall of the base frame by bolts, and the cover is located directly above the placement groove.

[0010] Furthermore, the upper detection module includes a second fixing frame, which is fixed to the outer wall of one side of the base frame by bolts, and the second fixing frame is located above the turntable, a first camera is fixed to the bottom of the second fixing frame by bolts, and the first camera is electrically connected to the processor, and the lower detection module includes a third fixing frame, which is fixed to the outer wall of one side of the base frame by bolts, and the third fixing frame is located below the turntable, a second camera is fixed to the top of the third fixing frame by bolts, a avoidance hole is opened on the bottom outer wall of the base frame, and the second camera is located in the avoidance hole, and the second camera is electrically connected to the processor, a glass is bonded to the top of the avoidance hole, and the top of the glass is flush with the bottom inner wall of the base frame.

[0011] On the basis of the above scheme, the waterproof detection module includes a slide, which is fixed to the top of the base frame by bolts, and a through hole with a key slot is opened on the top of the slide, and a connecting pipe with a key strip is slidably connected in the through hole, the lower end of the connecting pipe is fixed with a nozzle by a thread, and the upper end is fixed with an external hose by a clamp, and the outer walls on both sides of the connecting pipe are symmetrically welded with a support frame, the top of the slide is fixed with a tension spring by bolts, and the other end of the tension spring is fixed to the connecting pipe, the top of the turntable is fixed with a trapezoidal plate with the same number as the arc groove by bolts, and the support frame is in contact with the trapezoidal plate, and at least one fan is fixed to the bottom outer wall of the base frame by bolts, and a plurality of air grooves are opened on the bottom outer wall of the base frame, and the fan is located below the air groove.

[0012] As a further solution of the present invention, the material blocking module includes a discharge outlet, which is opened on the circumferential outer wall of the base frame, and two fixing rods are fixed to the top of the base frame by bolts, and a first baffle is rotatably connected between the two fixing rods, and the first baffle is located in the discharge outlet, and a first strip-shaped groove is opened at the bottom of the first baffle, and a first magnetic strip is bonded in the first strip-shaped groove, and a second magnetic strip is opened on the bottom inner wall of the discharge outlet, and a second magnetic strip is bonded in the second strip-shaped groove, and the first magnetic strip and the second magnetic strip are adsorbed.

[0013] Furthermore, the drainage module includes a fourth fixing frame, which is fixed to one side of the base frame by bolts, a second lifting electric push rod is fixed to the top of the fourth fixing frame by bolts, a piston rod of the second lifting electric push rod passes through the fourth fixing frame and is fixed to a guide frame by bolts, a servo motor is fixed to an outer wall of one side of the guide frame by bolts, an output shaft of the servo motor passes through the guide frame and is fixed to a lead screw by bolts, a sliding seat is threadedly connected to the circumferential outer wall of the lead screw, and the sliding seat slides at the bottom of the guide frame, a plug is fixed to the bottom of the sliding seat by bolts, a guide wheel frame is fixed to the top of the base frame by bolts, an opening is opened on the outer wall of one side of the base frame, a second baffle is rotatably connected in the opening, a pull rope is fixed to one side of the guide frame by bolts, and one end of the pull rope passes around the guide wheel frame and is fixed to the second baffle, an arc plate is welded on one side of the opening, a plurality of evenly distributed drainage holes are opened on the bottom outer wall of the arc plate, a second guide rod is fixed to the top of the guide frame by bolts, and one end of the second guide rod passes through the fourth fixing frame and is slidably connected to the fourth fixing frame.

[0014] On the basis of the above-mentioned scheme, the unloading mechanism includes an installation groove, which is opened at the bottom of the turntable. An electric push rod is fixed to the inner wall of one side of the installation groove by bolts. The piston rod of the electric push rod is fixed to a push plate by bolts, and the circumferential outer side of the push plate matches the arc groove. A pressure plate is welded to the outer wall of one side of the push plate. A plurality of grooves are opened on the top of the turntable, and the pressure plate is in the groove.

[0015] A method for using a quality detection device for a protective cover of an electric vehicle charging port, comprising the following steps: S1: First, place a protective cover body in the frame, then place a partition frame, then place a protective cover body, then place a partition frame, and so on, so that the bottom protective cover body is located in the arc groove, and the tail end of the protective cover body will fall into the groove, start the heating wire and the fan, the heating wire heats up and the temperature in the placement groove increases, the temperature sensor, thereby making the heat conduction plate hot, and the temperature in the placement groove is monitored by the temperature sensor; S2: Start the stepper motor, which drives the active gear to rotate, thereby driving the driven gear to rotate, and then driving the turntable to rotate, so that the arc groove drives the protective cover body to transfer position for quality inspection. During the rotation of the turntable, the turntable will drive the trapezoidal plate to rotate; S3: The protective cover body will first pass under the first resistance detection module, start the first lifting electric push rod, drive the connecting plate to move downward, so that the first contact point contacts the concave surface of the protective cover body, and the second contact point contacts the tail end of the protective cover body, so that the ohmmeter detects the protective cover body and transmits the signal to the processor for processing; S4: If the inspection data of the protective cover body is unqualified, the electric push rod for pushing the material is started, and the electric push rod for pushing the push plate and the pressure plate to move outward synchronously, so that the push plate pushes the protective cover body to move outward, so that the protective cover body squeezes the first baffle plate to rotate, so that the discharge port is vacant, so that the protective cover body can be discharged from the discharge port; S5: The protective cover body passes through the heating module, and the protective cover body passes over the heat conducting plate, so that the bottom of the protective cover body is heated; S6: When the protective cover body is transferred to the middle of the upper detection module and the lower detection module, the first camera can record the situation above the protective cover body and transmit the recorded data to the processor, and the second camera can detect the bottom of the protective cover body and transmit the data to the processor; S7: If the inspection data of the protective cover body is unqualified, the electric push rod for pushing the material is started, and the electric push rod for pushing the push plate and the pressure plate to move outward synchronously, so that the push plate pushes the protective cover body to move outward, so that the protective cover body squeezes the first baffle plate to rotate, so that the discharge port is vacant, and the protective cover body can be discharged from the discharge port; S8: When the protective cover body passes under the resistance detection module for the second time, the first lifting electric push rod is started to drive the connecting plate to move downward, so that the first contact point contacts the concave surface of the protective cover body, and the second contact point contacts the tail end of the protective cover body, so that the ohmmeter detects the protective cover body and transmits the signal to the processor, which processes the signal, thereby performing conductivity detection on the heated protective cover body; S9: If the inspection data of the protective cover body is unqualified, the material pushing electric push rod is started, and the material pushing electric push rod pushes the push plate and the pressure plate to move outward synchronously, and then the push plate pushes the protective cover body to move outward, so that the protective cover body squeezes the first baffle plate to rotate, so that the discharge port is vacant, so that the protective cover body can be discharged from the discharge port; S10: When the protective cover body moves to the waterproof detection module, the rotation of the trapezoidal plate will squeeze the support frame to move upward, thereby driving the connecting pipe to move upward, so that the protective cover body can be rotated to the bottom of the nozzle. When the protective cover body is located below the nozzle, the support frame is out of contact with the trapezoidal plate, and under the action of the deformed tension spring, the nozzle is pulled downward, so that the nozzle is located in the protective cover body, and it is difficult for the nozzle to spray water out of the protective cover body; S11: Start the water pump, and the water pump delivers water into the protective cover body. When there is a certain height of water in the protective cover body, turn off the water pump. At this time, the fan dries the bottom of the protective cover body to reduce the detection data error caused by water overflow during water injection; S12: The protective cover body passes over the glass again, and the second camera can detect the bottom of the protective cover body and transmit the data to the processor; S13: If the inspection data of the protective cover body is unqualified, the electric push rod for pushing the material is started, and the electric push rod for pushing the push plate and the pressure plate to move outward synchronously, so that the push plate pushes the protective cover body to move outward, so that the protective cover body squeezes the first baffle plate to rotate, so that the discharge port is vacant, and the protective cover body can be discharged from the discharge port; S14: When the protective cover body moves to the drainage module, the second lifting electric push rod is started, and the second lifting electric push rod drives the guide frame and the slide seat to move downward, so that the plug is inserted into the connecting hole, and the servo motor and the material pushing electric push rod are started at the same time, and the servo motor drives the screw rod to rotate, and then drives the slide seat to slide at the bottom of the guide frame, so that the plug and the protective cover body move outward synchronously; S15: After the push rod pushes the protective cover body a certain distance, it stops pushing the protective cover body, so that the plug pushes the protective cover body outward alone. Under the action of the arc plate, one end of the protective cover body is bent and turned over, so that the water in the protective cover body is discharged, and the servo motor is reversed, thereby driving the protective cover body to reset; S16: When the protective cover body moves to the discharge chute, the electric push rod is started, and the electric push rod pushes the push plate and the pressure plate to move outward synchronously, so that the push plate pushes the protective cover body to move out of the detection equipment, so that the protective cover body is conveyed to the external conveyor belt through the discharge chute, thereby completing the quality inspection of the protective cover body and screening out unqualified products.

[0016] Beneficial Effects Compared with the prior art, the present invention provides a quality detection device and method for a protective cover of an electric vehicle charging port, which has the following beneficial effects: 1. The present invention concentrates conductivity testing, high temperature resistance testing and waterproof testing on one device, thereby saving the space occupied by the equipment, thereby expanding the available space of the factory and further reducing the investment cost of the factory.

[0017] 2. The present invention is provided with a discharge module, which can place multiple protective cover bodies at one time, eliminating the need for workers to stay by the equipment all the time, reducing the labor of workers and thus improving the detection efficiency of the protective cover bodies.

[0018] 3. The present invention can detect the protective cover body in different states by staggered arrangement of conductivity detection, high temperature resistance detection and waterproof detection, further adapting to actual usage conditions and improving detection accuracy.

[0019] 4. The present invention is provided with a drainage module, which can drain the water in the protective cover body after the waterproof test, and there is no need for workers to drain the water manually, which further reduces the workload of workers and further improves the detection efficiency of the equipment.

[0020] 5. The present invention is provided with a discharging mechanism, which can screen unqualified products and discharge them in time, thereby improving the factory quality of products. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 This is a right-side three-dimensional structural schematic diagram of a quality inspection device for a protective cover of an electric vehicle charging port proposed by the present invention; Figure 2 This is a schematic diagram of the left-side three-dimensional structure of a quality detection device for a protective cover of an electric vehicle charging port proposed by the present invention; Figure 3 A schematic cross-sectional view of a turntable of a quality inspection device for a protective cover of an electric vehicle charging port proposed by the present invention; Figure 4 This is a schematic cross-sectional structural diagram of a discharge module of a quality inspection device for a protective cover of a charging port of an electric vehicle proposed by the present invention; Figure 5 This is a schematic diagram of the enlarged structure of a resistance detection module of a quality detection device for a protective cover of a charging port of an electric vehicle proposed by the present invention; Figure 6 This is a schematic diagram of the enlarged structure of a heating module of a quality inspection device for a protective cover of a charging port of an electric vehicle proposed by the present invention; Figure 7 This is a schematic diagram of the enlarged structure of a visual inspection module of a quality inspection device for a protective cover of an electric vehicle charging port proposed by the present invention; Figure 8 This is a schematic diagram of the upper waterproof module structure of a quality inspection device for a protective cover of an electric vehicle charging port proposed by the present invention; Fig. 9 This is a schematic diagram of the structure of the lower waterproof module of a quality inspection device for a protective cover of an electric vehicle charging port proposed by the present invention; Fig.10 This is an enlarged structural schematic diagram of a drainage module of a quality inspection device for a protective cover of an electric vehicle charging port proposed by the present invention; Fig.11 This is a schematic diagram of the enlarged structure of a guide frame of a quality inspection device for a protective cover of an electric vehicle charging port proposed by the present invention.

[0022] In the figure: 1, base frame; 2, turntable; 3, discharge module; 301, frame; 302, guide groove; 303, partition frame; 304, limit plate; 305, discharge port; 306, collection box; 307, arc support plate; 4, resistance detection module; 401, first fixed frame; 402, first lifting electric push rod; 403, first guide rod; 404, connecting plate; 405, first contact; 406, second contact; 5, heating module ; 501, placement slot; 502, cover; 503, heat conduction plate; 504, heating wire; 505, temperature sensor; 6, visual inspection module; 601, second fixing frame; 602, first camera; 603, third fixing frame; 604, second camera; 605, avoidance hole; 7, driving gear; 8, stepping motor; 9, driven gear; 10, waterproof inspection module; 1001, trapezoidal plate; 1002, slide; 1003 , tension spring; 1004, connecting pipe; 1005, support frame; 1006, external hose; 1007, nozzle; 1008, fan; 1009, air trough; 11, material blocking module; 1101, discharge outlet; 1102, first baffle; 1103, first magnetic strip; 1104, second magnetic strip; 12, drainage module; 1201, fourth fixing frame; 1202, second lifting electric push rod; 1203, second guide rod; 1204 , guide frame; 1205, pull rope; 1206, guide wheel frame; 1207, arc plate; 1208, drainage hole; 1209, second baffle; 1210, screw rod; 1211, slide seat; 1212, servo motor; 1213, plug; 13, discharge chute; 14, groove; 15, arc groove; 16, push plate; 17, pressure plate; 18, installation groove; 19, push electric push rod; 20, protective cover body; 2001, connecting hole. DETAILED DESCRIPTION

[0023] In order to make the purpose, technical solution and advantages of the present invention more clearly understood, the present invention is further described in detail below through embodiments and in conjunction with the accompanying drawings. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not used to limit the present invention.

[0024] The serial numbers assigned to the components herein, such as "first", "second", etc., are only used to distinguish the objects described and do not have any order or technical meaning. The "connection" and "coupling" mentioned in the present invention, unless otherwise specified, include direct and indirect connections (couplings). In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", etc., indicating the orientation or position relationship are based on the orientation or position relationship shown in the accompanying drawings, which is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation to the present invention.

[0025] In the present invention, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may mean that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. Moreover, a first feature being "above", "above" or "above" a second feature may mean that the first feature is directly above or obliquely above the second feature, or simply means that the first feature is higher in level than the second feature. A first feature being "below", "below" or "below" a second feature may mean that the first feature is directly below or obliquely below the second feature, or simply means that the first feature is lower in level than the second feature.

[0026] Reference Figure 1-Figure 11, a quality inspection device for a protective cover of an electric vehicle charging port, comprising a base frame 1 and a protective cover body 20, one end of the protective cover body 20 is provided with a connecting hole 2001, a turntable 2 is rotatably connected to the bottom inner wall of the base frame 1, a stepper motor 8 is fixed to an outer wall of one side of the base frame 1 by bolts, an output shaft key of the stepper motor 8 is connected to a driving gear 7, a driven gear 9 is fixed to the top of the turntable 2 by bolts, and the driving gear 7 is meshed with the driven gear 9, a processor is provided on the top of the base frame 1, a discharging module 3 for holding a plurality of protective cover bodies 20, a heating module 5 for heating the protective cover body 20, a waterproof inspection module 10 for injecting water into the protective cover body 20, and a plurality of protective cover bodies 20 are provided on the outer side of the circumference of the base frame 1 A material blocking module 11 for discharging, a drainage module 12 for flipping one end of the protective cover body 20, a visual inspection module 6 for confirming the appearance of the protective cover body 20, and two resistance detection modules 4 for detecting the conductivity of the protective cover body 20, and multiple material blocking modules 11 are respectively arranged at the positions of the visual inspection module 6 and the resistance detection module 4, the visual inspection module 6 includes an upper detection module and two lower detection modules, the upper detection module and one of the lower detection modules are located between the heating module 5 and the waterproof detection module 10, and the other lower detection module is located at the rear end of the waterproof detection module 10, the two resistance detection modules 4 are respectively located at the front end and the rear end of the heating module 5, and a discharge trough 13 is opened on one side of the base frame 1. The outer side of the circumference of the turntable 2 is provided with a plurality of evenly distributed arc grooves 15 for placing the protective cover body 20. The outer side of the circumference of the turntable 2 is provided with a discharge mechanism having the same number as the arc grooves 15 for pushing the protective cover body 20 out of the arc groove 15, and the discharge mechanism is electrically connected to the processor. When in use, firstly, a plurality of protective cover bodies 20 are placed in the discharge module 3 at one time, and the bottom protective cover body 20 is located in the arc groove 15, and then the stepper motor 8 is started, and the stepper motor 8 drives the driving gear 7 to rotate, thereby driving the driven gear 9 to rotate, and then driving the turntable 2 to rotate, so that the arc groove 15 drives the protective cover body 20 to transfer the position for quality inspection, and the protective cover body 20 will pass through the resistance detection module 4 in turn. , heating module 5, upper detection module and lower detection module in visual detection module 6, resistance detection module 4, waterproof detection module 10, lower detection module, drainage module 12, and finally the qualified protective cover body 20 will be transported to the external conveyor belt through the discharge chute 13. When the resistance detection module 4, the upper detection module and the lower detection module detect an abnormality, the signal will be transmitted to the processor, and the processor will start the unloading mechanism according to the signal to discharge the unqualified products from the detection line. The device concentrates conductivity detection, high temperature resistance detection and waterproof detection on one device, saving the space occupied by the equipment. At the same time, it can place multiple products at one time and detect multiple products at the same time, thereby improving the detection efficiency of the protective cover body 20.

[0027] In order to place multiple protective cover bodies 20 at one time, the discharge module 3 in the present invention includes a frame 301, which is fixed to the outer wall of one side of the base frame 1 by bolts, and multiple protective cover bodies 20 are stacked in the frame 301, and multiple evenly distributed limit plates 304 are welded on one side of the frame 301, and one end of the protective cover body 20 is in contact with the limit plate 304, and the inner walls on both sides of the frame 301 are provided with guide grooves 302, and multiple partition frames 303 are placed in the guide grooves 302, and the partition frame 303 is located between two adjacent protective cover bodies 20, and one end of the partition frame 303 does not exceed the arc surface of the arc groove 15, and a discharge port 305 is provided on the bottom outer wall of the base frame 1, and a collection box 306 is fixed to the bottom outer wall of the base frame 1 by bolts, and an arc-shaped support plate 307 is welded on one side of the collection box 306. When in use, first put a protective cover body 20 into the frame 301, and then Place a partition rack 303, then put in a protective cover body 20, then put in a partition rack 303, and so on, so that the bottom protective cover body 20 is located in the arc-shaped groove 15. When the protective cover body 20 is placed in the rack 301, the tail end of the protective cover body 20 will contact the limit plate 304 to support the tail end of the protective cover body 20. After the turntable 2 rotates to drive the bottom protective cover body 20 to move, the partition rack 303 passes through the discharge port 305 under the action of gravity and enters the collection box 306, and one end is supported by the arc-shaped support plate 307, so that it is easy to take. When the other arc-shaped groove 15 is located below the protective cover body 20, the protective cover body 20 will automatically fall into the arc-shaped groove 15 under the action of gravity, which is convenient for the next transportation. There is no need for staff to stay by the equipment all the time, reducing the labor of workers, thereby improving the detection efficiency of the protective cover body 20.

[0028] In order to perform conductivity detection on the protective cover body 20, the two resistance detection modules 4 in the present invention both include a first fixing frame 401, the first fixing frame 401 is fixed to the outer wall of one side of the base frame 1 by bolts, a first lifting electric push rod 402 is fixed to the top of the first fixing frame 401 by bolts, a piston rod of the first lifting electric push rod 402 passes through the first fixing frame 401 and is fixed to a connecting plate 404 by bolts, a first contact 405 and a second contact 406 are respectively fixed at both ends of the connecting plate 404 by bolts, the first contact 405 and the second contact 406 are both electrically connected to the detection head of the ohmmeter arranged on the base frame 1, and the ohmmeter is electrically connected to the processor, A first guide rod 403 is fixed to the top of the connecting plate 404 by bolts, and the first guide rod 403 passes through the first fixing frame 401 and is slidably connected to the first fixing frame 401. When the protective cover body 20 is brought to the bottom of the first contact 405 and the second contact 406 by the turntable 2, the first lifting electric push rod 402 is started to drive the connecting plate 404 to move downward, so that the first contact 405 contacts the concave surface of the protective cover body 20, and the second contact 406 contacts the tail end of the protective cover body 20, so that the ohmmeter detects the protective cover body 20 and transmits the signal to the processor for processing, thereby completing the conductivity detection of the protective cover body 20.

[0029] In order to perform high temperature resistance test on the protective cover body 20, the heating module 5 in the present invention includes a placement groove 501, which is opened on the bottom inner wall of the base frame 1. A plurality of heating wires 504 are arranged between the inner walls on both sides of the placement groove 501. A heat conducting plate 503 is fixed to the top of the placement groove 501 by bolts, and the top of the heat conducting plate 503 is flush with the bottom inner wall of the base frame 1. A temperature sensor 505 is fixed to the bottom outer wall of the base frame 1 by bolts. The model of the temperature sensor 505 is NTC-OEM. The detection end of the temperature sensor 505 passes through the base frame 1 and extends into the placement groove 501. 1, a cover 502 is fixed to the top outer wall of the bottom frame 1 by bolts, and the cover 502 is located just above the placement groove 501, and the cover 502 can reduce the dissipation of residual heat after heating, and the heating wire 504 is started. The heating of the heating wire 504 will increase the temperature in the placement groove 501, and the temperature sensor 505 will make the heat-conducting plate 503 hot. In the process of the protective cover body 20 being rotated by the turntable 2, the protective cover body 20 will pass over the heat-conducting plate 503, so that the bottom of the protective cover body 20 is heated, and then the bottom of the protective cover body 20 is tested for high temperature resistance.

[0030] In order to detect the appearance of the protective cover body 20, the upper detection module of the present invention includes a second fixing frame 601, which is fixed to the outer wall of one side of the base frame 1 by bolts, and the second fixing frame 601 is located above the turntable 2, and the bottom of the second fixing frame 601 is fixed with a first camera 602 by bolts, and the first camera 602 is electrically connected to the processor. When the protective cover body 20 passes under the first camera 602, the first camera 602 can record the situation above the protective cover body 20 and transmit its recorded data to the processor. The lower detection module includes a third fixing frame 603, which is fixed to the base frame by bolts. 1 is on the outer wall of one side, and the third fixing frame 603 is located below the turntable 2, the second camera 604 is fixed to the top of the third fixing frame 603 by bolts, the bottom outer wall of the base frame 1 is provided with a avoidance hole 605, and the second camera 604 is located in the avoidance hole 605, and the second camera 604 is electrically connected to the processor, the top of the avoidance hole 605 is bonded with glass, and the top of the glass is flush with the bottom inner wall of the base frame 1, when the protective cover body 20 passes over the glass, the second camera 604 can detect the bottom of the protective cover body 20 and transmit the data to the processor, two separate detection modules, thereby detecting the appearance of the protective cover body 20.

[0031] In order to detect the waterproofness of the protective cover body 20, the waterproof detection module 10 of the present invention includes a slide 1002, which is fixed to the top of the base frame 1 by bolts. A through hole with a key slot is opened on the top of the slide 1002, and a connecting pipe 1004 with a key strip is slidably connected in the through hole. A nozzle 1007 is fixed to the lower end of the connecting pipe 1004 by a thread, and an external hose 1006 is fixed to the upper end by a clamp. The external hose 1006 is connected to an external water pump. The outer walls of the two sides of the connecting pipe 1004 are symmetrically welded with support frames 1005, the top of the slide 1002 is fixed with a tension spring 1003 by bolts, and the other end of the tension spring 1003 is fixed to the connecting pipe 1004, the top of the turntable 2 is fixed with the same number of trapezoidal plates 1001 as the arc groove 15 by bolts, and the support frames 1005 can contact the trapezoidal plates 1001, and the bottom outer wall of the bottom frame 1 is fixed with at least one fan 1008 by bolts, and the bottom outer wall of the bottom frame 1 The wall is provided with a plurality of air passage slots 1009, and the fan 1008 is located below the air passage slots 1009. When the turntable 2 rotates, the turntable 2 drives the trapezoidal plate 1001 to rotate, thereby squeezing the support frame 1005 to move upward, and then drives the connecting pipe 1004 to move upward, so that the protective cover body 20 can be rotated to the bottom of the nozzle 1007. When the protective cover body 20 is located below the nozzle 1007, the support frame 1005 is out of contact with the trapezoidal plate 1001, and the protective cover body 20 is deformed. Under the action of the tension spring 1003, the nozzle 1007 is pulled downward, so that the nozzle 1007 is located in the protective cover body 20, so that the nozzle 1007 is not easy to spray out of the protective cover body 20 when spraying water. The water pump is started, and the water pump transports water to the protective cover body 20. After a certain height of water is in the protective cover body 20, the fan 1008 is started, and the fan 1008 blows the bottom of the protective cover body 20 dry, thereby reducing the detection data error caused by water overflow during water injection.

[0032] In order to make the protective cover body 20 better for transportation, the blocking module 11 of the present invention includes a discharge port 1101, and the discharge port 1101 is opened on the circumferential outer wall of the bottom frame 1. The top of the bottom frame 1 is fixed with two fixing rods by bolts, and a first baffle plate 1102 is rotatably connected between the two fixing rods, and the first baffle plate 1102 is located in the discharge port 1101, and a first strip-shaped groove is opened at the bottom of the first baffle plate 1102, and a first magnetic strip 1103 is bonded in the first strip-shaped groove. A second strip-shaped groove is opened on the inner wall of the bottom of the discharge port 1101, and a second magnetic strip 1103 is bonded in the second strip-shaped groove. 104, and the first magnetic stripe 1103 and the second magnetic stripe 1104 are attracted to each other. When the unloading mechanism is not unloading, the first magnetic stripe 1103 and the second magnetic stripe 1104 are attracted to each other, so that the first baffle plate 1102 and the circumferential inner wall of the base frame 1 form a complete circle, thereby making the protective cover body 20 better transported in the base frame 1. When the unloading mechanism is unloading, the unloading mechanism pushes the protective cover body 20 to move outward, thereby making the protective cover body 20 squeeze the first baffle plate 1102 to rotate, thereby making the discharge port 1101 vacant, so that the protective cover body 20 can be discharged from the discharge port 1101.

[0033] In order to drain the water in the protective cover body 20 after the waterproof test, the drainage module 12 in the present invention includes a fourth fixing frame 1201, the fourth fixing frame 1201 is fixed to one side of the base frame 1 by bolts, the top of the fourth fixing frame 1201 is fixed with a second lifting electric push rod 1202 by bolts, the piston rod of the second lifting electric push rod 1202 passes through the fourth fixing frame 1201 and is fixed with a guide frame 1204 by bolts, a servo motor 1212 is fixed with a bolt on the outer wall of one side of the guide frame 1204, the output shaft of the servo motor 1212 passes through the guide frame 1204 and is fixed with a screw rod 1210 by bolts, and the circumferential outer wall of the screw rod 1210 is threadedly connected A slide 1211 is connected, and the slide 1211 slides at the bottom of the guide frame 1204, a plug 1213 is fixed to the bottom of the slide 1211 by bolts, a guide wheel frame 1206 is fixed to the top of the bottom frame 1 by bolts, an opening is opened on the outer wall of one side of the bottom frame 1, a second baffle 1209 is rotatably connected in the opening, and the second baffle 1209 can contact the top of the protective cover body 20, a pull rope 1205 is fixed to one side of the guide frame 1204 by bolts, and one end of the pull rope 1205 is passed around the guide wheel frame 1206 and fixed to the second baffle 1209, an arc plate 1207 is welded on one side of the opening, and a plurality of evenly distributed drainage holes are opened on the bottom outer wall of the arc plate 1207 The second guide rod 1203 is fixed to the top of the guide frame 1204 by bolts, and one end of the second guide rod 1203 passes through the fourth fixing frame 1201 and is slidably connected to the fourth fixing frame 1201. The second lifting electric push rod 1202 is started, and the second lifting electric push rod 1202 drives the guide frame 1204 and the slide seat 1211 to move downward, so that the plug 1213 is inserted into the connecting hole 2001. In the process of the guide frame 1204 moving downward, the guide frame 1204 will pull one end of the pull rope 1205 to move, and then the other end of the pull rope 1205 pulls the second baffle 1209 to rotate, so that the port is vacant, and the servo motor 121 is started at the same time. 2 and the unloading mechanism, the servo motor 1212 will drive the screw rod 1210 to rotate, and then drive the slide 1211 to slide at the bottom of the guide frame 1204, so that the plug 1213 and the protective cover body 20 move outward synchronously. After the unloading mechanism pushes the protective cover body 20 a certain distance, the unloading mechanism stops pushing the protective cover body 20, so that the plug 1213 pushes the protective cover body 20 outward alone, and under the action of the arc plate 1207, one end of the protective cover body 20 is bent and turned, so that the water in the protective cover body 20 is discharged, and then the servo motor 1212 is reversed, so as to drive the protective cover body 20 to reset, further reducing the workload of workers.

[0034] In order to discharge unqualified products from the equipment, the unloading mechanism of the present invention includes a mounting groove 18, which is arranged at the bottom of the turntable 2. A push rod 19 is fixed to an inner wall of one side of the mounting groove 18 by bolts. A piston rod of the push rod 19 is fixed to a push plate 16 by bolts, and the outer circumferential side of the push plate 16 matches the arc groove 15. A pressure plate 17 is welded to an outer wall of one side of the push plate 16. A plurality of grooves 14 are arranged on the top of the turntable 2, and the pressure plate 17 is in the groove 14. When the protective cover body 20 falls into the arc groove 15, the tail end of the protective cover body 20 will fall into the groove 14, and the push rod 19 is started. The push rod 19 pushes the push plate 16 and the pressure plate 17 to move outward synchronously, so that the push plate 16 pushes the protective cover body 20 out of the detection equipment, so that unqualified products can be discharged in time, thereby improving the factory quality of the products.

[0035] A method for using a quality detection device for a protective cover of an electric vehicle charging port: S1: First, place a protective cover body 20 in the frame 301, then place a partition frame 303, then place another protective cover body 20, then place another partition frame 303, and so on, so that the bottom protective cover body 20 is located in the arc groove 15, and the tail end of the protective cover body 20 will fall into the groove 14, start the heating wire 504 and the fan 1008, the heating wire 504 heats up the temperature in the placement groove 501, and the temperature sensor 505, thereby making the heat conducting plate 503 hot, and the temperature in the placement groove 501 is monitored by the temperature sensor 505; S2: Start the stepper motor 8, the stepper motor 8 drives the driving gear 7 to rotate, thereby driving the driven gear 9 to rotate, and then driving the turntable 2 to rotate, so that the arc groove 15 drives the protective cover body 20 to transfer position for quality inspection. During the rotation of the turntable 2, the turntable 2 will drive the trapezoidal plate 1001 to rotate; S3: The protective cover body 20 first passes under the first resistance detection module 4, and the first lifting electric push rod 402 is started to drive the connecting plate 404 to move downward, so that the first contact 405 contacts the concave surface of the protective cover body 20, and the second contact 406 contacts the tail end of the protective cover body 20, so that the ohmmeter detects the protective cover body 20 and transmits the signal to the processor for processing; S4: If the detection data of the protective cover body 20 is unqualified, the pusher 19 is started, and the pusher 19 pushes the push plate 16 and the pressure plate 17 to move outward synchronously, so that the push plate 16 pushes the protective cover body 20 to move outward, so that the protective cover body 20 squeezes the first baffle 1102 to rotate, so that the discharge port 1101 is vacant, so that the protective cover body 20 can be discharged from the discharge port 1101; S5: the protective cover body 20 passes through the heating module 5, and the protective cover body 20 passes over the heat conducting plate 503, so that the bottom of the protective cover body 20 is heated; S6: When the protective cover body 20 is transferred to the middle of the upper detection module and the lower detection module, the first camera 602 can record the situation above the protective cover body 20 and transmit the recorded data to the processor, and the second camera 604 can detect the bottom of the protective cover body 20 and transmit the data to the processor; S7: If the detection data of the protective cover body 20 is unqualified, the pusher 19 is started, and the pusher 19 pushes the push plate 16 and the pressure plate 17 to move outward synchronously, so that the push plate 16 pushes the protective cover body 20 to move outward, so that the protective cover body 20 squeezes the first baffle 1102 to rotate, so that the discharge port 1101 is vacant, so that the protective cover body 20 can be discharged from the discharge port 1101; S8: When the protective cover body 20 passes under the resistance detection module 4 for the second time, the first lifting electric push rod 402 is started to drive the connecting plate 404 to move downward, so that the first contact 405 contacts the concave surface of the protective cover body 20, and the second contact 406 contacts the tail end of the protective cover body 20, so that the ohmmeter detects the protective cover body 20, and transmits the signal to the processor, processes the signal, and thus performs conductivity detection on the heated protective cover body 20; S9: If the detection data of the protective cover body 20 is unqualified, the pusher 19 is started, and the pusher 19 pushes the push plate 16 and the pressure plate 17 to move outward synchronously, so that the push plate 16 pushes the protective cover body 20 to move outward, so that the protective cover body 20 squeezes the first baffle 1102 to rotate, so that the discharge port 1101 is vacant, so that the protective cover body 20 can be discharged from the discharge port 1101; S10: When the protective cover body 20 moves to the waterproof detection module 10, the rotation of the trapezoidal plate 1001 will squeeze the support frame 1005 to move upward, thereby driving the connecting pipe 1004 to move upward, so that the protective cover body 20 can be rotated to the bottom of the nozzle 1007. When the protective cover body 20 is located below the nozzle 1007, the support frame 1005 is out of contact with the trapezoidal plate 1001, and under the action of the deformed tension spring 1003, the nozzle 1007 is pulled downward, so that the nozzle 1007 is located in the protective cover body 20, so that the nozzle 1007 is not easy to spray out of the protective cover body 20 when spraying water; S11: Start the water pump, and the water pump delivers water to the protective cover body 20. When there is a certain height of water in the protective cover body 20, turn off the water pump. At this time, the fan 1008 dries the bottom of the protective cover body 20 to reduce the detection data error caused by water overflow during water injection; S12: the protective cover body 20 will pass over the glass again, and the second camera 604 can detect the bottom of the protective cover body 20 and transmit the data to the processor; S13: If the detection data of the protective cover body 20 is unqualified, the pusher 19 is started, and the pusher 19 pushes the push plate 16 and the pressure plate 17 to move outward synchronously, so that the push plate 16 pushes the protective cover body 20 to move outward, so that the protective cover body 20 squeezes the first baffle 1102 to rotate, so that the discharge port 1101 is vacant, so that the protective cover body 20 can be discharged from the discharge port 1101; S14: When the protective cover body 20 moves to the drainage module 12, the second lifting electric push rod 1202 is started, and the second lifting electric push rod 1202 drives the guide frame 1204 and the slide seat 1211 to move downward, so that the plug 1213 is inserted into the connecting hole 2001, and the servo motor 1212 and the material pushing electric push rod 19 are started at the same time, and the servo motor 1212 drives the screw rod 1210 to rotate, and then drives the slide seat 1211 to slide at the bottom of the guide frame 1204, so that the plug 1213 and the protective cover body 20 move outward synchronously; S15: After the pusher 19 pushes the protective cover body 20 a certain distance, it stops pushing the protective cover body 20, so that the plug 1213 pushes the protective cover body 20 outward alone, and under the action of the arc plate 1207, one end of the protective cover body 20 is bent and turned over, so that the water in the protective cover body 20 is discharged, and the servo motor 1212 is reversed, so as to drive the protective cover body 20 to reset; S16: When the protective cover body 20 moves to the discharge chute 13, the electric push rod 19 is started, and the electric push rod 19 pushes the push plate 16 and the pressure plate 17 to move outward synchronously, so that the push plate 16 pushes the protective cover body 20 to move out of the detection equipment, so that the protective cover body 20 is transported to the external conveyor belt through the discharge chute 13, thereby completing the quality inspection of the protective cover body 20 and screening out unqualified products.

[0036] The technical features of the above embodiments may be combined arbitrarily. To make the description concise, not all possible combinations of the technical features in the above embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0037] The above-described embodiments only express several implementation methods of the present invention, and the description thereof is relatively specific and detailed, but it cannot be understood as limiting the scope of the present invention. It should be pointed out that, for a person of ordinary skill in the art, several modifications and improvements can be made without departing from the concept of the present invention, and these all belong to the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the attached claims.

Claims

1. A quality inspection device for a protective cover of a charging port of an electric vehicle, comprising a base frame (1) and a protective cover body (20), wherein one end of the protective cover body (20) is provided with a connecting hole (2001), characterized in that: The bottom inner wall of the base frame (1) is rotatably connected to a turntable (2); a stepper motor (8) is fixedly connected to an outer wall of one side of the base frame (1); an output shaft of the stepper motor (8) is fixedly connected to a driving gear (7); a top of the turntable (2) is fixedly connected to a driven gear (9), and the driving gear (7) meshes with the driven gear (9); a processor is provided on the top of the base frame (1); and a discharge module (3) for holding a plurality of protective cover bodies (20), a heating module (5) for heating the protective cover bodies (20), a waterproof detection module (10) for injecting water into the protective cover bodies (20), a plurality of blocking modules (11) for discharging the protective cover bodies (20), a drainage module (12) for turning over one end of the protective cover bodies (20), a visual detection module (6) for confirming the appearance of the protective cover bodies (20), and two visual detection modules (11) for confirming the appearance of the protective cover bodies (20) are provided on the outer circumference of the base frame (1). A resistance detection module (4) for detecting conductivity, and a plurality of material blocking modules (11) are respectively arranged at the positions of the visual detection module (6) and the resistance detection module (4), the visual detection module (6) comprising an upper detection module and two lower detection modules, the upper detection module and one of the lower detection modules are located between the heating module (5) and the waterproof detection module (10), the other lower detection module is located at the rear end of the waterproof detection module (10), the two resistance detection modules (4) are respectively located at the front end and the rear end of the heating module (5), a discharge trough (13) is provided on one side of the base frame (1), a plurality of evenly distributed arc grooves (15) for placing the protective cover body (20) are provided on the outer circumference of the turntable (2), and a discharge mechanism having the same number as the arc grooves (15) is provided on the outer circumference of the turntable (2) for pushing the protective cover body (20) out of the arc grooves (15), and the discharge mechanism is electrically connected to the processor.

2. The quality detection device for the protective cover of the charging port of an electric vehicle according to claim 1, characterized in that: The material discharging module (3) comprises a frame (301), the frame (301) being fixedly connected to an outer wall of one side of the base frame (1), and a plurality of protective cover bodies (20) being stacked in the frame (301), a plurality of evenly distributed limiting plates (304) being fixedly connected to one side of the frame (301), and one end of the protective cover body (20) being in contact with the limiting plate (304), and guide grooves (302) being provided on both inner walls of the frame (301) to guide the protective cover bodies (20) to the inner wall. A plurality of partition frames (303) are placed in the groove (302), and the partition frame (303) is located between two adjacent protective cover bodies (20), and one end of the partition frame (303) does not exceed the arc surface of the arc groove (15), and a feed opening (305) is provided on the bottom outer wall of the base frame (1), and a collection box (306) is fixedly connected to the bottom outer wall of the base frame (1), and an arc-shaped support plate (307) is fixedly connected to one side of the collection box (306).

3. The quality detection device for the protective cover of the charging port of an electric vehicle according to claim 1, characterized in that: The two resistance detection modules (4) each comprise a first fixing frame (401), the first fixing frame (401) being fixedly connected to an outer wall of one side of the base frame (1), a first lifting electric push rod (402) being fixedly connected to the top of the first fixing frame (401), a piston rod of the first lifting electric push rod (402) passing through the first fixing frame (401) and being fixedly connected to a connecting plate (404), a first contact (405) and a second contact (406) being fixedly connected to the two ends of the connecting plate (404), the first contact (405) and the second contact (406) being electrically connected to a detection head of an ohmmeter arranged on the base frame (1), and the ohmmeter being electrically connected to a processor, a first guide rod (403) being fixedly connected to the top of the connecting plate (404), and the first guide rod (403) passing through the first fixing frame (401) and being slidably connected to the first fixing frame (401).

4. The quality detection device for the protective cover of the charging port of an electric vehicle according to claim 1, characterized in that: The heating module (5) comprises a placement groove (501), the placement groove (501) is opened on the bottom inner wall of the base frame (1), a plurality of heating wires (504) are arranged between the inner walls on both sides of the placement groove (501), a heat conducting plate (503) is fixedly connected to the top of the placement groove (501), and the top of the heat conducting plate (503) is flush with the bottom inner wall of the base frame (1), a temperature sensor (505) is fixedly connected to the bottom outer wall of the base frame (1), and the detection end of the temperature sensor (505) passes through the base frame (1) and extends into the placement groove (501), and a cover (502) is fixedly connected to the top outer wall of the base frame (1), and the cover (502) is located directly above the placement groove (501).

5. The quality detection device for the protective cover of the charging port of an electric vehicle according to claim 1, characterized in that: The upper detection module comprises a second fixing frame (601), the second fixing frame (601) is fixedly connected to an outer wall of one side of the bottom frame (1), and the second fixing frame (601) is located above the turntable (2), a first camera (602) is fixedly connected to the bottom of the second fixing frame (601), and the first camera (602) is electrically connected to the processor, and the lower detection module comprises a third fixing frame (603), the third fixing frame (603) is fixedly connected to an outer wall of one side of the bottom frame (1), The third fixing frame (603) is located below the turntable (2), the top of the third fixing frame (603) is fixedly connected to the second camera (604), the bottom outer wall of the base frame (1) is provided with a avoidance hole (605), the second camera (604) is located in the avoidance hole (605), and the second camera (604) is electrically connected to the processor, the top of the avoidance hole (605) is fixedly connected to a glass, and the top of the glass is flush with the bottom inner wall of the base frame (1).

6. The quality detection device for the protective cover of the charging port of an electric vehicle according to claim 1, characterized in that: The waterproof detection module (10) comprises a slide (1002), the slide (1002) being fixedly connected to the top of the base frame (1), the top of the slide (1002) being provided with a through hole with a key slot, a connecting pipe (1004) with a key strip being slidably connected in the through hole, a nozzle (1007) being fixedly connected to the lower end of the connecting pipe (1004) by means of a thread, an external hose (1006) being fixedly connected to the upper end, support frames (1005) being symmetrically fixedly connected to the outer walls of both sides of the connecting pipe (1004), and the top of the slide (1002) being provided with a through hole with a key slot. A tension spring (1003) is fixedly connected, and the other end of the tension spring (1003) is fixed to a connecting pipe (1004); the top of the turntable (2) is fixedly connected to trapezoidal plates (1001) of the same number as the arc-shaped grooves (15), and the support frame (1005) is contactable with the trapezoidal plates (1001); at least one fan (1008) is fixedly connected to the bottom outer wall of the base frame (1); a plurality of air passage grooves (1009) are provided on the bottom outer wall of the base frame (1), and the fan (1008) is located below the air passage grooves (1009).

7. The quality detection device for the protective cover of the charging port of an electric vehicle according to claim 1, characterized in that: The material blocking module (11) comprises a discharge outlet (1101), the discharge outlet (1101) is provided on the circumferential outer wall of the base frame (1), the top of the base frame (1) is fixedly connected to two fixed rods, a first baffle (1102) is rotatably connected between the two fixed rods, and the first baffle (1102) is located in the discharge outlet (1101), a first strip-shaped groove is provided at the bottom of the first baffle (1102), a first magnetic strip (1103) is fixedly connected in the first strip-shaped groove, a second magnetic strip (1104) is fixedly connected in the second strip-shaped groove, and the first magnetic strip (1103) and the second magnetic strip (1104) are adsorbed to each other.

8. The quality detection device for the protective cover of the charging port of an electric vehicle according to claim 1, characterized in that: The drainage module (12) comprises a fourth fixing frame (1201), the fourth fixing frame (1201) is fixedly connected to one side of the base frame (1), the top of the fourth fixing frame (1201) is fixedly connected to a second lifting electric push rod (1202), the piston rod of the second lifting electric push rod (1202) passes through the fourth fixing frame (1201) and is fixedly connected to a guide frame (1204), a servo motor (1212) is fixedly connected to an outer wall of one side of the guide frame (1204), the output shaft of the servo motor (1212) passes through the guide frame (1204) and is fixedly connected to a lead screw (1210), the circumferential outer wall of the lead screw (1210) is threadedly connected to a slide seat (1211), and the slide seat (1211) slides on the bottom of the guide frame (1204), and the bottom of the slide seat (1211) is fixedly connected to A plug (1213) is connected, the top of the base frame (1) is fixedly connected to a guide wheel frame (1206), one side of the outer wall of the base frame (1) is provided with an opening, and a second baffle (1209) is rotatably connected in the opening, one side of the guide frame (1204) is fixedly connected to a pull rope (1205), and one end of the pull rope (1205) passes through the guide wheel frame (1206) and is fixed to the second baffle (1209), one side of the opening is fixedly connected to an arc-shaped plate (1207), and the bottom outer wall of the arc-shaped plate (1207) is provided with a plurality of evenly distributed drainage holes (1208), and the top of the guide frame (1204) is fixedly connected to a second guide rod (1203), and one end of the second guide rod (1203) passes through a fourth fixed frame (1201) and is slidably connected to the fourth fixed frame (1201).

9. The quality detection device for the protective cover of the charging port of an electric vehicle according to claim 1, characterized in that: The unloading mechanism comprises a mounting groove (18), the mounting groove (18) being provided at the bottom of the turntable (2), a material pushing electric push rod (19) being fixedly connected to an inner wall of one side of the mounting groove (18), a piston rod of the material pushing electric push rod (19) being fixedly connected to a push plate (16), and a circumferential outer side of the push plate (16) matching the arc groove (15), a pressure plate (17) being fixedly connected to an outer wall of one side of the push plate (16), a plurality of grooves (14) being provided on the top of the turntable (2), and the pressure plate (17) being in the grooves (14).

10. A method for using a quality detection device for a protective cover of an electric vehicle charging port, applicable to a quality detection device for a protective cover of an electric vehicle charging port as claimed in any one of claims 1 to 9, characterized in that: The following steps are involved: S1: First, a protective cover body (20) is placed in the frame (301), and then a partition frame (303) is placed therein, and then a protective cover body (20) is placed therein again, and then a partition frame (303) is placed therein again, and so on, so that the bottom protective cover body (20) is located in the arc groove (15), and the tail end of the protective cover body (20) falls into the groove (14), and the heating wire (504) and the fan (1008) are started. The heating wire (504) generates heat, which increases the temperature in the placement groove (501), and the temperature sensor (505) is activated, thereby causing the heat conducting plate (503) to become hot, and the temperature in the placement groove (501) is monitored by the temperature sensor (505); S2: starting the stepper motor (8), the stepper motor (8) drives the driving gear (7) to rotate, thereby driving the driven gear (9) to rotate, and then driving the turntable (2) to rotate, so that the arc groove (15) drives the protective cover body (20) to transfer position for quality inspection. During the rotation of the turntable (2), the turntable (2) drives the trapezoidal plate (1001) to rotate; S3: The protective cover body (20) first passes under the first resistance detection module (4), and the first lifting electric push rod (402) is activated to drive the connecting plate (404) to move downward, thereby causing the first contact point (405) to contact the concave surface of the protective cover body (20), and the second contact point (406) to contact the rear end of the protective cover body (20), so that the ohmmeter detects the protective cover body (20) and transmits the signal to the processor for processing; S4: If the inspection data of the protective cover body (20) is unqualified, the material pushing electric push rod (19) is started, and the material pushing electric push rod (19) pushes the push plate (16) and the pressure plate (17) to move outward synchronously, thereby causing the push plate (16) to push the protective cover body (20) to move outward, so that the protective cover body (20) squeezes the first baffle (1102) to rotate, thereby making the discharge port (1101) vacant, so that the protective cover body (20) can be discharged from the discharge port (1101); S5: the protective cover body (20) passes through the heating module (5), and the protective cover body (20) passes over the heat conducting plate (503), so that the bottom of the protective cover body (20) is heated; S6: When the protective cover body (20) is transferred to the middle of the upper detection module and the lower detection module, the first camera (602) can record the situation above the protective cover body (20) and transmit the recorded data to the processor, and the second camera (604) can detect the bottom of the protective cover body (20) and transmit the data to the processor; S7: If the inspection data of the protective cover body (20) is unqualified, the material pushing electric push rod (19) is started, and the material pushing electric push rod (19) pushes the push plate (16) and the pressure plate (17) to move outward synchronously, thereby causing the push plate (16) to push the protective cover body (20) to move outward, so that the protective cover body (20) squeezes the first baffle (1102) to rotate, thereby making the discharge port (1101) vacant, so that the protective cover body (20) can be discharged from the discharge port (1101); S8: When the protective cover body (20) passes under the resistance detection module (4) for the second time, the first lifting electric push rod (402) is started to drive the connecting plate (404) to move downward, thereby causing the first contact point (405) to contact the concave surface of the protective cover body (20), and the second contact point (406) to contact the tail end of the protective cover body (20), thereby causing the ohmmeter to detect the protective cover body (20) and transmit the signal to the processor for processing, thereby performing conductivity detection on the heated protective cover body (20); S9: If the inspection data of the protective cover body (20) is unqualified, the material pushing electric push rod (19) is started, and the material pushing electric push rod (19) pushes the push plate (16) and the pressure plate (17) to move outward synchronously, thereby causing the push plate (16) to push the protective cover body (20) to move outward, so that the protective cover body (20) squeezes the first baffle (1102) to rotate, thereby making the discharge port (1101) vacant, so that the protective cover body (20) can be discharged from the discharge port (1101); S10: When the protective cover body (20) moves to the waterproof detection module (10), the rotation of the trapezoidal plate (1001) will squeeze the support frame (1005) to move upward, thereby driving the connecting pipe (1004) to move upward, so that the protective cover body (20) can be rotated to the bottom of the nozzle (1007). When the protective cover body (20) is located below the nozzle (1007), the support frame (1005) is separated from the trapezoidal plate (1001), and under the action of the deformed tension spring (1003), the nozzle (1007) is pulled downward, so that the nozzle (1007) is located in the protective cover body (20), and it is difficult for the nozzle (1007) to spray water out of the protective cover body (20); S11: starting a water pump to deliver water into the protective cover body (20). When a certain height of water is accumulated in the protective cover body (20), the water pump is turned off. At this time, the fan (1008) blows dry the bottom of the protective cover body (20) to reduce the error in the detection data caused by water overflow during water injection; S12: the protective cover body (20) passes over the glass again, and the second camera (604) can detect the bottom of the protective cover body (20) and transmit the data to the processor; S13: If the inspection data of the protective cover body (20) is unqualified, the material pushing electric push rod (19) is started, and the material pushing electric push rod (19) pushes the push plate (16) and the pressure plate (17) to move outward synchronously, thereby causing the push plate (16) to push the protective cover body (20) to move outward, so that the protective cover body (20) squeezes the first baffle (1102) to rotate, thereby making the discharge port (1101) vacant, so that the protective cover body (20) can be discharged from the discharge port (1101); S14: When the protective cover body (20) moves to the drainage module (12), the second lifting electric push rod (1202) is started, and the second lifting electric push rod (1202) drives the guide frame (1204) and the slide seat (1211) to move downward, so that the plug (1213) is inserted into the connection hole (2001), and the servo motor (1212) and the material pushing electric push rod (19) are started at the same time, and the servo motor (1212) drives the screw rod (1210) to rotate, thereby driving the slide seat (1211) to slide at the bottom of the guide frame (1204), so that the plug (1213) and the protective cover body (20) move outward synchronously; S15: After the material pushing electric push rod (19) pushes the protective cover body (20) a certain distance, it stops pushing the protective cover body (20), so that the plug (1213) alone pushes the protective cover body (20) to move outward, and under the action of the arc plate (1207), one end of the protective cover body (20) is bent and turned over, thereby draining water from the protective cover body (20), reversing the servo motor (1212), and driving the protective cover body (20) to reset; S16: When the protective cover body (20) moves to the discharge chute (13), the electric push rod (19) is started, and the electric push rod (19) pushes the push plate (16) and the pressure plate (17) to move outward synchronously, thereby causing the push plate (16) to push the protective cover body (20) out of the detection device, so that the protective cover body (20) is conveyed to the external conveyor belt through the discharge chute (13), thereby completing the quality inspection of the protective cover body (20) and screening out unqualified products.

Images