A charging gun adapter function testing device and adapter testing method

Abstract

This invention relates to a charging gun adapter function testing device and method, comprising a main positioning mechanism for fixing the adapter, a gun head insertion mechanism and a charging base insertion mechanism respectively disposed on both sides of the main positioning mechanism, a function testing system for testing the mechanical connection and unlocking function of the adapter, and a gun head unlocking mechanism and a charging base unlocking mechanism; the function testing system controls the gun head insertion mechanism, the charging base insertion mechanism, the gun head unlocking mechanism, and the charging base unlocking mechanism to perform a series of actions, and simultaneously detects and judges the force on the gun head insertion mechanism and the charging base insertion mechanism during the actions, thereby determining whether there are any problems with the product quality, solving the technical problems of low efficiency and easy omission of test items in manual testing.

Description

Technical Field

[0001] This invention belongs to the field of testing technology for structural components or equipment, and specifically relates to a charging gun adapter function testing device and adapter testing method. Background Technology

[0002] The charging gun used when charging an electric vehicle needs to be compatible with the charging socket on the electric vehicle to ensure a reliable connection and safe charging. However, there are currently two types of charging gun sockets on the market that are not directly compatible: the Tesla NACS charging gun and the US standard J1772 charging gun socket. Therefore, an adapter is needed. One end of the adapter is compatible with the NACS charging gun, and the other end is compatible with the J1772 charging gun socket, so as to achieve a reliable connection and safe charging between the two incompatible charging gun sockets.

[0003] To ensure the adapter's functionality, each adapter undergoes functional testing before leaving the factory. This testing includes electrical connection testing and mechanical connection testing. Electrical connection testing primarily uses testing equipment to check whether there is proper continuity between the charging gun and the charging gun holder after the adapter is connected, as well as the resistance and other electrical functions of the adapter's internal circuitry. Mechanical connection testing requires checking the connectivity, reliability, and unlocking functions of the adapter and the charging gun head, as well as the connectivity, reliability, and unlocking functions of the adapter and the charging gun holder.

[0004] Currently, the above functional testing still relies on manual labor. Due to the numerous steps involved in the testing process, manual testing is inefficient and prone to missing steps, resulting in low accuracy. Summary of the Invention

[0005] The primary technical problem to be solved by this invention is to provide a charging gun adapter function testing device, thereby addressing the issues of low efficiency and easy omission of testing items in manual testing.

[0006] To solve the above-mentioned technical problems, the technical solution adopted by the present invention is: a charging gun adapter function testing device, including a main positioning mechanism for fixing the adapter, a gun head insertion mechanism and a charging base insertion mechanism respectively arranged on both sides of the main positioning mechanism, a function testing system for testing the mechanical connection and unlocking function of the adapter, and a gun head end unlocking mechanism and a charging base end unlocking mechanism.

[0007] The gun head insertion mechanism includes a gun head connecting part and a gun head driving part. The gun head driving part drives the gun head connected to the gun head connecting part to connect or disconnect from the charging end of the adapter.

[0008] The charging dock insertion mechanism includes a charging dock connecting part and a charging dock driving part. The charging dock driving part drives the charging dock connected to the charging dock connecting part to connect or disconnect the adapter end of the adapter.

[0009] The adapter, which is detachably fixed to the main positioning mechanism, has its two ends facing the gun head and the charging base, respectively.

[0010] The functional testing system includes a mechanical connection function testing module, which includes a first force sensor connected between the gun head connection part and the gun head drive part, a second force sensor connected between the charging base connection part and the charging base drive part, and a controller. The first force sensor, the second force sensor, the gun head drive part, and the charging base drive part are electrically connected to the controller. The controller is also connected to an input device and an output device. The input device is used to send working instructions to the controller, and the output device is used to output the test results.

[0011] The functional detection system also includes a magnet detection mechanism for detecting whether an electromagnetic lock is installed inside the adapter fixedly connected to the main positioning mechanism. The magnet detection mechanism includes a magnetic induction sensor and a detection driver that drives the magnetic induction sensor to approach or move away from the adapter. The magnetic induction sensor is electrically connected to the controller.

[0012] The gun head unlocking mechanism and the charging base unlocking mechanism are electrically connected to the controller and controlled by the controller. The gun head unlocking mechanism is used to unlock the gun head locking component that mates with the gun head on the adapter, and the charging base unlocking mechanism is used to unlock the charging base locking component that mates with the charging base on the adapter.

[0013] As a preferred embodiment, the main positioning mechanism includes a fixed main positioning seat and a movable pressing part. The pressing part is connected to a pressing driver, which is connected to a controller and is controlled by the controller to drive the pressing part to press or release the adapter. The main positioning seat is provided with a receiving groove for accommodating the adapter. The bottom surface of the receiving groove is provided with a positioning part protruding towards the groove opening. The bottom of the adapter is provided with a positioning hole that matches the positioning part. When the adapter is inserted into the receiving groove, the positioning part is inserted into the positioning hole to achieve accurate positioning of the adapter.

[0014] As a preferred embodiment, the charging dock locking component is a rocker-type latch, and the charging dock end unlocking mechanism includes a first pressing head and a second unlocking driver that drives the first pressing head to press or release the pressing end of the charging dock locking component. The first pressing head is positioned directly opposite the pressing part of the charging dock locking component, and the second unlocking driver is fixedly connected to the pressing part and moves with the pressing part.

[0015] As a preferred embodiment, the gun head drive unit includes a first servo motor, a first lead screw and slider module connected to the first servo motor, and a first guide seat connected to the slider of the first lead screw and slider module. The lead screw axis of the first lead screw and slider module is parallel to the axis of the gun head end of the adapter. Four first guide rods arranged in a matrix and parallel to each other are fixedly connected to the side of the first guide seat facing the adapter. The gun head connecting part includes a first connecting seat slidably connected to the four first guide rods and a gun head positioning sleeve fixedly connected to the side of the first connecting seat facing the adapter. The front end of the gun head positioning sleeve has an insertion interface that mates with the assembly part at the rear end of the gun head. The assembly part at the rear end of the gun head is inserted into the insertion interface. A positioning hook is hinged to the side of the gun head assembly. The front end of the positioning hook is adapted to the rear positioning hole on the gun head assembly. The rear end of the positioning hook is a pressing part. A third unlocking driver is connected to the first connecting seat. The driving end of the third unlocking driver is connected to a second pressing head that is directly opposite the pressing part of the positioning hook. The third unlocking driver drives the second pressing head to squeeze or release the pressing part of the positioning hook, so as to drive the hook head part of the positioning hook to lift or fall. The positioning hook is elastically connected to the gun head positioning sleeve by a torsion spring. The torsion spring drives the front end of the positioning hook to insert into the rear positioning hole. The third unlocking driver and the first servo motor are electrically connected to the controller and controlled by the controller. The first force sensor is connected between the first guide seat and the first connecting seat.

[0016] As a preferred embodiment, the charging base drive unit includes a second servo motor, a second lead screw and slider module driven by the second servo motor, and a second guide seat connected to the slider of the second lead screw and slider module. The lead screw axis of the second lead screw and slider module is parallel to the axis of the adapter charging base end. Four second guide rods arranged in a matrix and parallel to each other are fixedly connected to the side of the second guide seat facing the adapter. The charging base connection unit includes a second connecting seat slidably connected to the four second guide rods, a bracket and a gripper fixedly connected to the side of the second connecting seat facing the adapter. The bracket is located away from the second connecting seat. The end has a slot adapted to the charging dock. The gripper includes two claws on both sides of the slot and a cylinder that drives the two claws to move towards or away from each other. The cylinder is fixedly connected to the side of the second connecting seat facing the adapter. One end of the bracket near the second connecting seat is fixedly connected to the cylinder, and the other end is supported by two parallel support frames. The two support frames are on both sides of the bracket. The top of the two support frames is provided with parallel slide rails. The bottom surface of the bracket is provided with sliding blocks adapted to the two slide rails. The bracket is slidably connected to the two slide rails through the sliding blocks. The extension direction of the slide rails is parallel to the axis of the second guide rod.

[0017] The cylinder and the second servo motor are electrically connected to and controlled by the controller, and the second force sensor is connected between the second guide seat and the second connecting seat.

[0018] As a preferred embodiment, the gun head locking component is a normally closed electromagnetic lock, and the gun head unlocking mechanism includes an unlocking magnet and a first unlocking driver that drives the unlocking magnet to approach or move away from the gun head locking component.

[0019] As a preferred embodiment, the gun head unlocking mechanism is located below the bracket and between the two support frames. The first unlocking driver is tilted upward, and the unlocking magnet is fixedly connected to one end face of a movable plate near the adapter. The movable plate is fixedly connected to the driving end of the first unlocking driver. The first unlocking driver drives the movable plate to tilt upward and approach the adapter to unlock the gun head locking component.

[0020] As a preferred embodiment, it also includes two control switches, one on the left and one on the right, which are connected to the controller and used to send control signals to the controller.

[0021] The further technical problem to be solved by the present invention is to provide a test method for an adapter based on the above-mentioned charging gun adapter function test device, so as to solve the technical problems of low efficiency and easy omission of test items in manual testing.

[0022] To solve the above-mentioned technical problems, the technical solution adopted by the present invention is: an adapter testing method based on the above-mentioned charging gun adapter function testing device, comprising the following specific steps:

[0023] S1. Install the adapter. Install the adapter to be tested into the receiving groove of the main positioning mechanism, ensuring that the positioning hole at the bottom of the adapter is accurately inserted into the positioning part on the bottom surface of the receiving groove.

[0024] S2. Assemble the gun head by attaching it to the gun head connector and locking it in place.

[0025] S3. Assemble the charging dock by installing the charging dock onto the charging dock connector and locking it in place.

[0026] S4. Connect the power supply to the charging gun adapter function test device and send a test command to the controller. The controller will then execute the following sub-steps in sequence:

[0027] a. Control the detection driver of the magnet detection mechanism to drive the magnetic induction sensor to approach the adapter to detect whether an electromagnetic lock that cooperates with the gun head is installed inside the adapter. Then control the detection driver of the magnet detection mechanism to drive the magnetic induction sensor to reset. If the detection result is yes, proceed to step b. If the detection result is no, stop the detection and alarm.

[0028] b. Control the gun head drive unit to drive the gun head to insert into the adapter. Determine whether the gun head is inserted in place based on the thrust of the first force sensor and the stroke of the gun head drive unit. If the detection result is yes, proceed to step c; if the detection result is no, stop the detection and sound an alarm.

[0029] c. Control the charging dock drive unit to drive the charging dock insertion adapter; determine whether the charging dock is inserted correctly based on the magnitude of the thrust of the second force sensor and the stroke of the charging dock drive unit. If the detection result is yes, proceed to step d; if the detection result is no, stop the detection and sound an alarm.

[0030] d. Control the charging dock drive unit to pull the charging dock. Determine whether the charging dock is locked based on the pulling force of the second force sensor. If the detection result is yes, control the charging dock drive unit to drive the charging dock back to the position before pulling and execute step f. If the detection result is no, stop the detection and alarm.

[0031] e. Control the gun head drive unit to pull the gun head. Determine whether the gun head is locked based on the pulling force of the first force sensor. If the detection result is yes, control the gun head drive unit to drive the gun head back to the position before pulling and execute step e. If the detection result is no, stop the detection and alarm.

[0032] f. Control the gun head unlocking mechanism to unlock the gun head, and control the gun head drive unit to pull the gun head again. Determine whether the gun head is abnormally locked based on the pulling force of the first force sensor. If the detection result is yes, stop the detection and alarm; if the detection result is no, control the gun head drive unit to drive the gun head to reset; then execute step g.

[0033] g. Control the unlocking mechanism at the charging dock end to unlock the charging dock, and control the driving part of the charging dock to pull the charging dock again. Determine whether the charging dock is abnormally locked based on the pulling force of the second force sensor. If the detection result is yes, stop the detection and alarm; if the detection result is no, control the driving part of the charging dock to drive the charging dock to reset, the detection ends, and a signal of qualified adapter is fed back.

[0034] S5. Record and report the test results of each sub-step in step S4. When the test of a sub-step in step S4 is interrupted and an alarm is triggered, the operator controls the charging gun adapter function test device to reset, removes the adapter and places it in the unqualified area; when the test ends and a qualified signal is fed back, the operator removes the adapter and places it in the qualified area.

[0035] S6. Repeat steps S1 to S5 until all adapters to be tested have been tested.

[0036] As a preferred embodiment, in sub-step b, the stroke of the gun head drive unit is calculated by the rotation angle of the first servo motor and the lead of the lead screw of the first lead screw slider module. When the stroke of the gun head drive unit does not reach the target stroke and the thrust of the first force sensor exceeds the preset value, it is determined that the gun head is not inserted in place. When the stroke of the gun head drive unit reaches the target stroke and the thrust of the first force sensor does not exceed the preset value, it is determined that the gun head is inserted in place.

[0037] In sub-step c, the travel of the charging base drive unit is calculated by the rotation angle of the second servo motor and the lead of the lead screw of the second lead screw slider module. When the travel of the charging base drive unit does not reach the target travel and the thrust of the second force sensor exceeds the preset value, it is determined that the charging base is not inserted in place. When the travel of the charging base drive unit reaches the target travel and the thrust of the second force sensor does not exceed the preset value, it is determined that the charging base is inserted in place.

[0038] While performing step b, the gun head unlocking mechanism is simultaneously controlled to unlock the gun head locking component of the adapter. After step b is completed and before step c is performed, the gun head unlocking mechanism is controlled to reset.

[0039] During step c, the charging dock unlocking mechanism is simultaneously controlled to unlock the charging dock locking component of the adapter. After step c is completed and before step d is performed, the charging dock unlocking mechanism is controlled to reset.

[0040] The beneficial effects of this invention are: This invention utilizes the gun head insertion mechanism and the charging base insertion mechanism in conjunction with a functional detection system to perform fully automatic detection of the insertion, locking, and unlocking functions of the gun head and adapter, and the charging base and adapter, replacing manual inspection, greatly improving the efficiency of adapter function detection, eliminating the omissions that exist in manual inspection, and improving detection accuracy. Attached Figure Description

[0041] The specific embodiments of the present invention will be further described in detail below with reference to the accompanying drawings, wherein:

[0042] Figure 1 This is a frontal view of the overall structure of the charging gun adapter function testing device described in this invention.

[0043] Figure 2 This is a schematic diagram of the working principle of the functional testing system described in this invention;

[0044] Figure 3 This is a rear view schematic diagram of the overall structure of the charging gun adapter function testing device described in this invention;

[0045] Figure 4 This is a schematic diagram of the specific structure of the magnet detection mechanism described in this invention;

[0046] Figure 5 This is a schematic diagram of the specific structure of the main positioning mechanism described in this invention;

[0047] Figure 6 This is a schematic diagram of the specific structure of the gun head insertion mechanism described in this invention;

[0048] Figure 7 This is a schematic diagram of the specific structure of the charging dock insertion mechanism described in this invention;

[0049] Figure 8 This is a schematic diagram of the specific structure of the gun head unlocking mechanism described in this invention;

[0050] Figure 9 These are structural schematic diagrams of the adapter under test from two different perspectives;

[0051] Figures 1-9 1. Gun head; 101. Assembly part; 102. Rear positioning hole; 2. Adapter; 3. Charging base; 4. Positioning hole; 100. Main positioning mechanism; 110. Main positioning seat; 111. Receiving groove; 112. Positioning part; 120. Crimping part; 130. Crimping driver; 200. Gun head insertion mechanism; 210. Gun head connecting part; 211. First connecting seat; 212. Gun head positioning sleeve; 213. Insertion interface 214. Positioning hook; 215. Third unlocking driver; 216. Second pressing head; 220. Gun head drive unit; 221. First servo motor; 222. First lead screw slider module; 223. First guide seat; 224. First guide rod; 300. Charging base insertion mechanism; 310. Charging base connecting part; 311. Second connecting seat; 312. Bracket; 313. Gripper; 313a. Gripper head; 313b 314. Cylinder; 315. Slot; 316. Support frame; 317. Slide rail; 318. Sliding block; 320. Charging base drive unit; 321. Second servo motor; 322. Second lead screw slider module; 323. Second guide seat; 324. Second guide rod; 400. Function detection system; 410. Mechanical connection function detection module; 411. First force sensor; 412. Second force sensor; 420. Controller; 430. Input device; 440. Output device; 450. Magnet detection mechanism; 451. Magnetic induction sensor; 452. Detection driver; 500. Gun head end unlocking mechanism; 510. Unlocking magnet; 520. First unlocking driver; 530. Movable plate; 600. Charging base end unlocking mechanism; 610. First pressing head; 620. Second unlocking driver; 7. Control switch; 8. Charging base locking component. Detailed Implementation

[0052] The specific embodiments of the present invention will now be described in detail with reference to the accompanying drawings. Example 1

[0053] like Figure 1 The device shown is a charging gun adapter function testing device, including a main positioning mechanism 100 for fixing the adapter 2, a gun head insertion mechanism 200 and a charging base insertion mechanism 300 respectively disposed on both sides of the main positioning mechanism 100, a function testing system 400 for testing the mechanical connection and unlocking function of the adapter 2, and a gun head end unlocking mechanism 500 and a charging base end unlocking mechanism 600.

[0054] The gun head insertion mechanism 200 includes a gun head connecting part 210 and a gun head driving part 220. The gun head driving part 220 drives the gun head 1 connected to the gun head connecting part 210 to connect or disconnect from the charging end of the adapter 2.

[0055] The charging dock insertion mechanism 300 includes a charging dock connection part 310 and a charging dock drive part 320. The charging dock drive part 320 drives the charging dock 3 connected to the charging dock connection part 310 to connect or disconnect the adapter end of the adapter 2.

[0056] The adapter 2, which is detachably fixed to the main positioning mechanism 100, has two ends facing the gun head 1 and the charging base 3 respectively; the gun head 1 is adapted to one end of the adapter 2, and the charging base 3 is adapted to the other end of the adapter 2, but the gun head 1 and the charging base 3 are not adapted to each other.

[0057] Combination Figure 1 and Figure 2 As shown, the functional testing system 400 includes a mechanical connection functional testing module 410. The mechanical connection functional testing module 410 includes a first force sensor 411 connected between the gun head connection part 210 and the gun head drive part 220, a second force sensor 412 connected between the charging base connection part 310 and the charging base drive part 320, and a controller 420. The first force sensor 411, the second force sensor 412, the gun head drive part 220, and the charging base drive part 320 are electrically connected to the controller 420. The controller 420 is also connected to an input device 430 and an output device 440. The input device 430 is used to send working instructions to the controller 420, and the output device 440 is used to output the test results.

[0058] like Figure 3 and Figure 4 As shown, the functional detection system 400 also includes a magnet detection mechanism 450, which is used to detect whether an electromagnetic lock is installed in the adapter 2 fixedly connected to the main positioning mechanism 100. The magnet detection mechanism 450 includes a magnetic induction sensor 451 and a detection driver 452 that drives the magnetic induction sensor 451 to approach or move away from the adapter 2. The magnetic induction sensor 451 is electrically connected to the controller 420.

[0059] The adapter 2 described in this invention is required to be equipped with an electromagnetic lock to lock the charging head 1 in the charging state, so as to prevent the charging head 1 from being pulled out by external force during the charging process. Therefore, a magnet detection mechanism 450 is required to detect whether an electromagnetic lock is installed in the adapter 2. If no electromagnetic lock is installed, there is no need to further test the connection function of the adapter 2, thereby improving the detection efficiency.

[0060] The gun head unlocking mechanism 500 and the charging dock unlocking mechanism 600 are electrically connected to the controller 420 and controlled by the controller 420. The gun head unlocking mechanism 500 is used to unlock the gun head locking member that cooperates with the gun head 1 on the adapter 2, and the charging dock unlocking mechanism 600 is used to unlock the charging dock locking member 8 that cooperates with the charging dock 3 on the adapter 2.

[0061] like Figure 5 As shown, the main positioning mechanism 100 includes a main positioning seat 110 fixedly mounted on a base plate or worktable and a movable pressing part 120. The pressing part 120 is connected to a pressing driver 130, which preferably uses a pneumatic piston push rod to achieve flexible operation. The pressing driver 130 is connected to a controller 420 and is controlled by the controller 420 to drive the pressing part 120 to press or release the adapter 2. The main positioning seat 110 is provided with a receiving groove 111 for accommodating the adapter 2. The bottom surface of the receiving groove 111 is provided with a positioning part 112 protruding towards the groove opening. The bottom of the adapter 2 is provided with a positioning hole 4 that matches the positioning part 112. When the adapter 2 is inserted into the receiving groove 111, the positioning part 112 is inserted into the positioning hole 4 to achieve accurate positioning of the adapter 2. Only with accurate positioning of the adapter 2 can the gun head 1 and the charging base 3 be accurately inserted into the adapter 2.

[0062] like Figure 1 As shown, in this embodiment, the charging socket locking element 8 on the adapter 2 is a rocker-type latch, such as... Figure 5 As shown, the charging dock unlocking mechanism 600 includes a first pressing head 610 and a second unlocking driver 620 that drives the first pressing head 610 to press or release the pressing end of the charging dock locking member 8. The first pressing head 610 is positioned directly opposite the pressing part of the charging dock locking member 8. The second unlocking driver 620 is fixedly connected to the pressing part 120 and moves with the pressing part 120. This shortens the unlocking stroke of the charging dock unlocking mechanism 600 and eliminates interference with the adapter 2 during assembly and disassembly. In this embodiment, the second unlocking driver 620 is preferably a pneumatic piston push rod. The second unlocking driver 620 is electrically connected to and controlled by the controller 420.

[0063] like Figure 6As shown, the gun head drive unit 220 includes a first servo motor 221, a first lead screw slider module 222 that is connected to the first servo motor 221, and a first guide seat 223 that is connected to the slider of the first lead screw slider module 222. The lead screw slider module is a conventional transmission component and is common knowledge in the field. Its specific structure will not be described. The lead screw axis of the first lead screw slider module 222 is parallel to the axis of the gun head end of the adapter 2. Four first guide rods 224 arranged in a matrix and parallel to each other are fixedly connected to the side of the first guide seat 223 facing the adapter 2. The gun head connecting part 210 includes a first connecting seat 211 slidably connected to the four first guide rods 224 and a gun head positioning sleeve 212 fixedly connected to the side of the first connecting seat 211 facing the adapter 2. The front end of the gun head positioning sleeve 212 has an insertion interface 213 that mates with the assembly part 101 at the rear end of the gun head 1. The assembly part 101 at the rear of the gun head 1 is inserted into the insertion interface 213. A positioning hook 214 is hinged to the side of the gun head positioning sleeve 212. The front end of the positioning hook 214 is adapted to the rear positioning hole 102 on the assembly part 101 of the gun head 1. The rear end of the positioning hook 214... The first connector 211 has a pressing part at one end, and a third unlocking driver 215 is connected to the first connecting seat 211. The driving end of the third unlocking driver 215 is connected to a second pressing head 216 that is directly opposite the pressing part of the positioning hook 214. The third unlocking driver 215 drives the second pressing head 216 to squeeze or release the pressing part of the positioning hook 214, thereby driving the hook head of the positioning hook 214 to lift or fall. The positioning hook 214 is elastically connected to the gun head positioning sleeve 212 by a torsion spring. The torsion spring drives the front end of the positioning hook 214 to insert into the rear positioning hole 102. The third unlocking driver 215 and the first servo motor 221 are electrically connected to and controlled by the controller 420. The first force sensor 411 is connected between the first guide seat 223 and the first connecting seat 211. In this embodiment, the third unlocking driver 215 is preferably a pneumatic piston push rod. The specific structure of the positioning hook 214 being elastically connected to the gun head positioning sleeve 212 via a torsion spring is a conventional technical means in this field, so the specific structure will not be described.

[0064] like Figure 7As shown, the charging dock drive unit 320 includes a second servo motor 321, a second lead screw and slider module 322 connected to the second servo motor 321, and a second guide seat 323 connected to the slider of the second lead screw and slider module 322. The lead screw axis of the second lead screw and slider module 322 is parallel to the axis of the charging dock end of the adapter 2. Four second guide rods 324 arranged in a matrix and parallel to each other are fixedly connected to the side of the second guide seat 323 facing the adapter 2. The charging dock connection unit 310 includes a second connecting seat 311 slidably connected to the four second guide rods 324, a bracket 312 and a gripper 313 fixedly connected to the side of the second connecting seat 311 facing the adapter 2. The bracket 312 has a fitting adapted to the charging dock 3 at one end away from the second connecting seat 311. The slot 314 includes two claws 313a respectively disposed on both sides of the slot and a cylinder 313b for driving the two claws 313a to move towards or away from each other. The cylinder 313b is fixedly connected to the side of the second connecting seat 311 facing the adapter 2. One end of the bracket 312 near the second connecting seat 311 is fixedly connected to the cylinder 313b, and the other end is supported by two parallel support frames 315. The two support frames 315 are disposed on both sides of the bracket 312. The top of the two support frames 315 is respectively provided with parallel slide rails 316. The bottom surface of the bracket 312 is provided with sliding blocks 317 adapted to the two slide rails 316. The bracket 312 is slidably connected to the two slide rails 316 through the sliding blocks 317. The extension direction of the slide rails 316 is parallel to the axis of the second guide rod 324.

[0065] The cylinder 313b and the second servo motor 321 are electrically connected to and controlled by the controller 420, and the second force sensor 412 is connected between the second guide seat 323 and the second connecting seat 311.

[0066] The second guide seat 323 drives the second connecting seat 311 to move through the second force sensor 412. At the same time, when the second connecting seat 311 receives resistance to movement, it will slide along the second guide rod 324 and generate a reaction force on the second force sensor 412. The second force sensor 412 can then detect the resistance to movement received by the second connecting seat 311. Since the second connecting seat 311 is fixedly connected to the charging seat 3, the resistance to movement received by the second connecting seat 311 is the resistance to movement experienced by the charging seat 3.

[0067] The force measurement principle of the first force sensor 411 is the same as that of the second force sensor 412.

[0068] Although this embodiment illustrates four first guide rods 224 and four second guide rods 324, those skilled in the art can make variations in the number based on this structure. These technical solutions with simple variations in the number are still within the protection scope of this invention.

[0069] like Figure 8 As shown, in this embodiment, the gun head locking component (not shown in the figure) is a normally closed electromagnetic lock. The gun head unlocking mechanism 500 includes an unlocking magnet 510 and a first unlocking driver 520 that drives the unlocking magnet 510 to approach or move away from the gun head locking component. The first unlocking driver 520 is electrically connected to and controlled by the controller 420. The first unlocking driver 520 is preferably a pneumatic piston push rod.

[0070] Battery locks are widely used in the field of charging piles. They are a locking mechanism that controls the movement of the locking tongue by an electromagnet. Since the specific structure belongs to the prior art, it will not be described in this embodiment.

[0071] To avoid structural interference, in this embodiment, the gun head unlocking mechanism 500 is located below the bracket 312 and between the two support frames 315. The first unlocking driver 520 is inclined upward, and the unlocking magnet 510 is fixedly connected to one end face of a movable plate 530 near the adapter 2. The movable plate 530 is fixedly connected to the driving end of the first unlocking driver 520. The first unlocking driver 520 drives the movable plate 530 to approach the adapter 2 at an angle upward to unlock the gun head locking component.

[0072] The gun head unlocking mechanism 500 and the gun head insertion mechanism 200 are respectively located at both ends of the adapter 2. When the gun head 1 is inserted or unlocked, the movement of the gun head unlocking mechanism 500 will not interfere with the movement of the gun head insertion mechanism 200.

[0073] like Figure 1 As shown, this embodiment also includes two control switches 7, one on the left and one on the right. These two control switches 7 are respectively connected to the controller 420 and are used to send control signals to the controller 420. The two control switches 7 are a type of input device 430.

[0074] The output device 440 described in this invention includes, but is not limited to, a display, a buzzer, and an alarm light.

[0075] For details of the working process of this embodiment, please refer to Embodiment 2. Example 2

[0076] Combination Figures 1-9 The adapter testing method based on the above-mentioned charging gun adapter function testing device includes the following specific steps:

[0077] S1. Install adapter 2. Install the adapter 2 to be tested into the receiving groove 111 of the main positioning mechanism 100, and ensure that the positioning hole 4 at the bottom of the adapter 2 is accurately inserted into the positioning part 112 on the bottom surface of the receiving groove 111.

[0078] S2. Assemble the gun head 1 by installing the gun head 1 onto the gun head connector 210 and locking it using the positioning hook 214.

[0079] S3. Assemble the charging base 3, install the charging base 3 onto the charging base connector 310 and lock it using the gripper 313.

[0080] S4. Turn on the power of the charging gun adapter function test device and send a test command to the controller 420. The controller 420 executes the following sub-steps in sequence.

[0081] a. Control the detection driver 452 of the magnet detection mechanism 450 to drive the magnetic induction sensor 451 to approach the adapter 2 to detect whether an electromagnetic lock that cooperates with the gun head 1 is installed in the adapter 2. Then control the detection driver 452 of the magnet detection mechanism 450 to drive the magnetic induction sensor 451 to reset. If the detection result is yes, proceed to step b. If the detection result is no, stop the detection and alarm.

[0082] b. Control the gun head drive unit 220 to drive the gun head 1 to insert into the adapter 2. Determine whether the gun head 1 is inserted in place based on the thrust of the first force sensor 411 and the stroke of the gun head drive unit 220. If the detection result is yes, proceed to step c; if the detection result is no, stop the detection and sound an alarm.

[0083] c. Control the charging base drive unit 320 to drive the charging base 3 to plug into the adapter 2; determine whether the charging base 3 is plugged in according to the magnitude of the thrust of the second force sensor 412 and the stroke of the charging base drive unit 320. If the detection result is yes, proceed to step d; if the detection result is no, stop the detection and alarm.

[0084] d. Control the charging base drive unit 320 to pull the charging base 3. Determine whether the charging base 3 is locked based on the pulling force of the second force sensor 412. If the detection result is yes, control the charging base drive unit 320 to drive the charging base 3 back to the position before pulling and execute step e. If the detection result is no, stop the detection and alarm.

[0085] e. Control the gun head drive unit 220 to pull the gun head 1. Determine whether the gun head 1 is locked based on the pulling force of the first force sensor 411. If the detection result is yes, control the gun head drive unit 220 to drive the gun head 1 back to the position before pulling and execute step f. If the detection result is no, stop the detection and alarm.

[0086] f. Control the gun head unlocking mechanism 500 to unlock the gun head 1, and control the gun head drive unit 220 to pull the gun head 1 again. Determine whether the gun head 1 is abnormally locked according to the pulling force of the first force sensor 411. If the detection result is yes, stop the detection and alarm; if the detection result is no, control the gun head drive unit 220 to drive the gun head 1 to reset; then execute step g.

[0087] g. Control the unlocking mechanism 600 at the charging base end to unlock the charging base 3, and control the driving part 320 of the charging base to pull the charging base 3 again. Determine whether the charging base 3 is abnormally locked according to the pulling force of the second force sensor 412. If the detection result is yes, stop the detection and alarm; if the detection result is no, control the driving part 320 of the charging base to drive the charging base 3 to reset, the detection ends, and a signal of qualified adapter 2 is fed back.

[0088] S5. Record and report the detection results of each sub-step in step S4. When the detection of a sub-step in step S4 is interrupted and an alarm is triggered, the operator controls the charging gun adapter function test device to reset, removes adapter 2 and places it in the unqualified area; when the detection ends and a qualified signal is fed back, the operator removes adapter 2 and places it in the qualified area.

[0089] S6. Repeat steps S1 to S5 until all adapters to be tested have been tested.

[0090] In sub-step b of this embodiment, the stroke of the gun head drive unit 220 is calculated by the rotation angle of the first servo motor 221 and the lead screw lead of the first lead screw slider module 222. Limit switches can also be used to control the maximum stroke and reset point. When the stroke of the gun head drive unit 220 does not reach the target stroke and the thrust of the first force sensor 411 exceeds the preset value, it is determined that the gun head 1 is not inserted in place. When the stroke of the gun head drive unit 220 reaches the target stroke and the thrust of the first force sensor 411 does not exceed the preset value, it is determined that the gun head 1 is inserted in place.

[0091] In sub-step c, the stroke of the charging base drive unit 320 is calculated by the rotation angle of the second servo motor 321 and the lead screw lead of the second lead screw slider module 322. Limit switches can also be used to control the maximum stroke and reset point. When the stroke of the charging base drive unit 320 does not reach the target stroke and the thrust of the second force sensor 412 exceeds the preset value, it is determined that the charging base 3 is not inserted in place. When the stroke of the charging base drive unit 320 reaches the target stroke and the thrust of the second force sensor 412 does not exceed the preset value, it is determined that the charging base 3 is inserted in place.

[0092] For example, if the minimum insertion stroke of the charging head is set to 50mm and the resistance limit during insertion is 50N, then if the insertion stroke of the charging head 1 is less than 50mm but the resistance value detected by the first force sensor 411 is greater than 50N, it indicates that the insertion of the charging head 1 into the adapter 2 is abnormal, and it is determined that the charging head 1 is not fully inserted, thus stopping the detection and triggering an alarm. If the resistance value detected by the first force sensor 411 during the insertion of the charging head 1 is always less than or equal to 50N, and the charging head 1 eventually completes the entire insertion stroke, then it indicates that the insertion process is normal and the charging head 1 is fully inserted. The detection logic for the plugging process of the charging base 3 is the same as the detection logic for the insertion process of the charging head 1.

[0093] While performing step b, the gun head unlocking mechanism 500 is simultaneously controlled to unlock the gun head locking component of the adapter 2. After step b is completed and before step c is performed, the gun head unlocking mechanism 500 is controlled to reset.

[0094] While performing step c, the charging dock unlocking mechanism 600 is simultaneously controlled to unlock the charging dock locking member 8 of the adapter 2. After step c is completed and before step d is performed, the charging dock unlocking mechanism 600 is controlled to reset.

[0095] This eliminates the resistance when the gun head 1 and charging base 3 are connected to the adapter 2, eliminates the uncertainty in steps b and c caused by resistance changes, and improves detection accuracy.

[0096] As can be seen, when testing the adapter 2 using the charging gun adapter function testing device described in this invention, the operator only needs to complete the loading and unloading of the adapter 2. The operation process is extremely labor-saving. In the later stage, the operator's work can be replaced by mechanical gripper, which further improves the intelligence and automation of the test, eliminates the uncertainty of manual inspection, and improves the test efficiency and test quality.

[0097] The above embodiments are merely illustrative of the principles and effects of the present invention, as well as some of the application examples, and are not intended to limit the present invention. It should be noted that those skilled in the art can make various modifications and improvements without departing from the inventive concept of the present invention, and these modifications and improvements all fall within the protection scope of the present invention.

Claims

1. A charging gun adapter function test device, characterized in that, The main positioning mechanism (100) for fixing the adapter (2), the gun head plug-in mechanism (200) and the charging base plug-in mechanism (300) arranged on both sides of the main positioning mechanism (100) respectively, the function detection system (400) for detecting the mechanical connection and unlocking function of the adapter (2), and the gun head end unlocking mechanism (500) and the charging base end unlocking mechanism (600); The gun head plug-in mechanism (200) comprises a gun head connecting part (210) and a gun head driving part (220), and the gun head driving part (220) drives the charging end of the adapter (2) to connect or separate from the gun head (1) connected to the gun head connecting part (210); The charging base plug-in mechanism (300) comprises a charging base connecting part (310) and a charging base driving part (320), and the charging base driving part (320) drives the adapter end of the adapter (2) to connect or separate from the charging base (3) connected to the charging base connecting part (310); The adapter (2) fixed on the main positioning mechanism (100) is opposite to the gun head (1) and the charging base (3) at both ends respectively; The function detection system (400) comprises a mechanical connection function detection module (410), the mechanical connection function detection module (410) comprises a first force sensor (411) connected between the gun head connecting part (210) and the gun head driving part (220), a second force sensor (412) connected between the charging base connecting part (310) and the charging base driving part (320), and a controller (420), the first force sensor (411), the second force sensor (412), the gun head driving part (220), the charging base driving part (320) and the controller (420) are electrically connected, the controller (420) is further connected with an input device (430) and an output device (440), the input device (430) is used for sending a working instruction to the controller (420), and the output device (440) is used for outputting a detection result; The function detection system (400) further comprises a magnet detection mechanism (450) for detecting whether an electromagnetic lock is installed in the adapter (2) fixed on the main positioning mechanism (100), the magnet detection mechanism (450) comprises a magnetic induction sensor (451) and a detection driver (452) for driving the magnetic induction sensor (451) to approach or move away from the adapter (2), and the magnetic induction sensor (451) is electrically connected with the controller (420); The gun head end unlocking mechanism (500) and the charging base end unlocking mechanism (600) are electrically connected with the controller (420) and controlled by the controller (420), the gun head end unlocking mechanism (500) is used for unlocking a gun head locking part matched with the gun head (1) on the adapter (2), and the charging base end unlocking mechanism (600) is used for unlocking a charging base locking part matched with the charging base (3) on the adapter (2).

2. The charging gun adapter function test device of claim 1, wherein, The main positioning mechanism (100) comprises a fixedly arranged main positioning seat (110) and a movably arranged crimping part (120), the crimping part (120) is connected to a crimping driver (130), the crimping driver (130) is connected to a controller (420) and is controlled by the controller (420) to drive the crimping part (120) to press the adapter (2) or release the adapter (2); the main positioning seat (110) is provided with a containing groove (111) for containing the adapter (2), the groove bottom surface of the containing groove (111) is provided with a positioning part (112) protruding to the groove opening, the bottom of the adapter (2) is provided with a positioning hole (4) matched with the positioning part (112), when the adapter (2) is inserted into the containing groove (111), the positioning part (112) is inserted into the positioning hole (4) to realize accurate positioning of the adapter (2).

3. The charging gun adapter function test device of claim 2, wherein, The charging base locking member is a flap type lock, the charging base end unlocking mechanism (600) comprises a first pressing head (610) and a second unlocking driver (620) for driving the first pressing head (610) to press or release the pressing end of the charging base locking member, the first pressing head (610) is arranged opposite to the pressing part of the charging base locking member, and the second unlocking driver (620) is fixedly connected to the crimping part (120) and moves with the crimping part (120).

4. The charging gun adapter function test device of claim 1, wherein, The gun head driving part (220) comprises a first servo motor (221), a first screw block module (222) in transmission connection with the first servo motor (221), a first guide seat (223) connected with the slider of the first screw block module (222), the screw rod of the first screw block module (222) is axial parallel to the axis of the adapter head (2) gun head end, four first guide rods (224) in matrix arrangement and parallel to each other are fixedly connected to one side of the first guide seat (223) facing the adapter head (2), the gun head connecting part (210) comprises a first connecting seat (211) slidingly connected on the four first guide rods (224), a gun head positioning sleeve (212) fixedly connected to one side of the first connecting seat (211) facing the adapter head (2), the gun head positioning sleeve (212) is provided with a plug-in port (213) at the front end, the plug-in port (213) is matched with the assembly part (101) at the rear end of the gun head (1), the assembly part (101) at the rear end of the gun head (1) is inserted into the plug-in port (213), the side surface of the gun head positioning sleeve (212) is hingedly connected with a positioning hook (214), the front end of the positioning hook (214) is matched with the rear positioning hole (102) on the assembly part (101) of the gun head (1), the rear end of the positioning hook (214) is a pressing part, a third unlocking driver (215) is connected to the first connecting seat (211), the driving end of the third unlocking driver (215) is connected with a second pressing head (216) opposite to the pressing part of the positioning hook (214), the third unlocking driver (215) drives the second pressing head (216) to press or release the pressing part of the positioning hook (214), so as to drive the hook head part of the positioning hook (214) to be raised or fallen, the positioning hook (214) is elastically connected to the gun head positioning sleeve (212) through a torsion spring, the torsion spring drives the hook head at the front end of the positioning hook (214) to be inserted into the rear positioning hole (102), the third unlocking driver (215) and the first servo motor (221) are respectively electrically connected with the controller (420) and controlled by the controller (420), the first force sensor (411) is connected between the first guide seat (223) and the first connecting seat (211).

5. The charging gun adapter function test device of claim 1, wherein, The charging seat driving part (320) comprises a second servo motor (321), a second screw block module (322) in transmission connection with the second servo motor (321), and a second guide seat (323) connected with the sliding block of the second screw block module (322), the axial direction of the screw rod of the second screw block module (322) is parallel to the axial direction of the charging seat end of the adapter (2), and four second guide rods (324) in matrix arrangement and parallel to each other are fixedly connected to the side of the second guide seat (323) facing the adapter (2). The charging seat connecting part (310) comprises a second connecting seat (311) slidingly connected to the four second guide rods (324), a bracket (312) fixedly connected to the side of the second connecting seat (311) facing the adapter (2), and a clamping jaw (313), one end of the bracket (312) away from the second connecting seat (311) is provided with a clamping groove (314) matched with the charging seat (3), the clamping jaw (313) comprises two jaw heads (313a) arranged on the two sides of the clamping groove and a cylinder (313b) for driving the two jaw heads (313a) to move towards or away from each other, the cylinder (313b) is fixedly connected to the side of the second connecting seat (311) facing the adapter (2), one end of the bracket (312) close to the second connecting seat (311) is fixedly connected with the cylinder (313b), the other end is supported by two support frames (315) arranged in parallel to each other, the two support frames (315) are arranged on the two sides of the bracket (312), the top ends of the two support frames (315) are respectively provided with sliding rails (316) parallel to each other, and the bottom surface of the bracket (312) is provided with sliding blocks (317) matched with the two sliding rails (316), the bracket (312) is slidingly connected with the two sliding rails (316) through the sliding blocks (317), and the extension direction of the sliding rail (316) is parallel to the axial direction of the second guide rod (324).

6. The charging gun adapter function test device of claim 5, wherein, The cylinder (313b) and the second servo motor (321) are electrically connected with the controller (420) and controlled by the controller (420), and the second force sensor (412) is connected between the second guide seat (323) and the second connecting seat (311).

7. The charging gun adapter function test device of claim 6, wherein, The gun head locking part is a normally closed electromagnetic lock, and the gun head end unlocking mechanism (500) comprises an unlocking magnet (510) and a first unlocking driver (520) for driving the unlocking magnet (510) to approach or move away from the gun head locking part. The gun head end unlocking mechanism (500) is arranged below the bracket (312) and between the two support frames (315), the first unlocking driver (520) is arranged obliquely upward, the unlocking magnet (510) is fixedly connected to the end face of an active plate (530) close to the adapter (2), the active plate (530) is fixedly connected to the driving end of the first unlocking driver (520), and the first unlocking driver (520) drives the active plate (530) to obliquely approach the adapter (2) to unlock the gun head locking part.

8. The charging gun adapter functional test apparatus according to any one of claims 1 to 7, characterized by, Two control switches (7) are also included, which are connected to the controller (420) respectively to send control signals to the controller (420).

9. The adapter test method of the charging gun adapter function test device according to any one of claims 1 to 7, characterized in that, The specific steps include: S1, installing the adapter (2), installing the adapter (2) to be detected into the accommodating groove (111) of the main positioning mechanism (100), ensuring that the positioning hole (4) at the bottom of the adapter (2) is accurately inserted on the positioning part (112) at the bottom surface of the accommodating groove (111); S2, assembling the gun head (1), installing the gun head (1) on the gun head connecting part (210) and locking; S3, assembling the charging base (3), installing the charging base (3) on the charging base connecting part (310) and locking; S4, turning on the power supply of the charging gun adapter function test device, sending a detection instruction to the controller (420), and the controller (420) executes the following sub-steps in turn: a, controlling the detection driver (452) of the magnet detection mechanism (450) to drive the magnetic induction sensor (451) to approach the adapter (2) to detect whether the electromagnetic lock matched with the gun head (1) is installed in the adapter (2), and then controlling the detection driver (452) of the magnet detection mechanism (450) to drive the magnetic induction sensor (451) to reset, if the detection result is yes, executing step b, if the detection result is no, stopping detection and alarming; b, controlling the gun head driving part (220) to drive the gun head (1) to be inserted into the adapter (2), and determining whether the gun head (1) is inserted in place according to the thrust size of the first force sensor (411) and the stroke of the gun head driving part (220), if the detection result is yes, executing step c; if the detection result is no, stopping detection and alarming; c, controlling the charging base driving part (320) to drive the charging base (3) to be inserted into the adapter (2); determining whether the charging base (3) is inserted in place according to the thrust size of the second force sensor (412) and the stroke of the charging base driving part (320), if the detection result is yes, executing step d; if the detection result is no, stopping detection and alarming; d, controlling the charging base driving part (320) to pull the charging base (3), and determining whether the charging base (3) is locked according to the pulling force of the second force sensor (412), if the detection result is yes, controlling the charging base driving part (320) to drive the charging base (3) to return to the position before pulling and executing step f, if the detection result is no, stopping detection and alarming; e, controlling the gun head driving part (220) to pull the gun head (1), and determining whether the gun head (1) is locked according to the pulling force of the first force sensor (411), if the detection result is yes, controlling the gun head driving part (220) to drive the gun head (1) to return to the position before pulling and executing step e, if the detection result is no, stopping detection and alarming; f、control the gun head end unlocking mechanism (500) to unlock the gun head (1), control the gun head drive part (220) to pull the gun head (1) again, and determine whether the gun head (1) is abnormally locked according to the pulling force of the first force sensor (411), if the detection result is yes, stop detection and alarm, if the detection result is no, control the gun head drive part (220) to drive the gun head (1) to reset, and then execute step g; g、control the charging seat end unlocking mechanism (600) to unlock the charging seat (3), control the charging seat drive part (320) to pull the charging seat (3) again, and determine whether the charging seat (3) is abnormally locked according to the pulling force of the second force sensor (412), if the detection result is yes, stop detection and alarm, if the detection result is no, control the charging seat drive part (320) to drive the charging seat (3) to reset, and the detection is completed, and a signal of the adapter (2) being qualified is fed back; S5, record and feedback the detection results of each sub-step in step S4, when the sub-step detection in step S4 is interrupted and alarms, the operator controls the charging gun adapter function test device to reset, takes down the adapter (2) and places it in the unqualified area, when the detection is completed and the qualified signal is fed back, the operator takes down the adapter (2) and places it in the qualified area; S6, repeat the above steps S1~S5 until all the adapters to be detected are detected.

10. The method of claim 9, wherein, In sub-step b, the stroke of the gun head drive part (220) is obtained by calculating the rotation angle of the first servo motor (221) and the lead of the first screw rod and block module (222), when the stroke of the gun head drive part (220) does not reach the target stroke and the pushing force of the first force sensor (411) exceeds the preset value, it is determined that the gun head (1) is not inserted in place, when the stroke of the gun head drive part (220) reaches the target stroke and the pushing force of the first force sensor (411) does not exceed the preset value, it is determined that the gun head (1) is inserted in place; In sub-step c, the stroke of the charging seat drive part (320) is obtained by calculating the rotation angle of the second servo motor (321) and the lead of the second screw rod and block module (322), when the stroke of the charging seat drive part (320) does not reach the target stroke and the pushing force of the second force sensor (412) exceeds the preset value, it is determined that the charging seat (3) is not inserted in place, when the stroke of the charging seat drive part (320) reaches the target stroke and the pushing force of the second force sensor (412) does not exceed the preset value, it is determined that the charging seat (3) is inserted in place; When step b is executed, the gun head end unlocking mechanism (500) is controlled to unlock the gun head locking part of the adapter (2), after step b is completed and before step c is performed, the gun head end unlocking mechanism (500) is controlled to reset; When step c is executed, the charging seat end unlocking mechanism (600) is controlled to unlock the charging seat locking part of the adapter (2), after step c is completed and before step d is performed, the charging seat end unlocking mechanism (600) is controlled to reset.

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