An electronic lock test bench

Abstract

The invention relates to an electronic lock test bench, belonging to the technical field of test equipment, comprising a test bench, test equipment and a control module, wherein the test equipment comprises a slide table, an infrared displacement sensor and a pressure sensor arranged on the surface of the test bench, and further comprises a fixture arranged on the slide table, wherein the slide table, the infrared displacement sensor and the pressure sensor are electrically connected to the control module respectively, the fixture is used to fix the electronic lock to be tested, the infrared displacement sensor is used to monitor the length of the lock rod of the electronic lock to be tested and upload the length data to the control module, and the pressure sensor is used to detect the pushing pressure of the lock rod and upload the pressure data to the control module.

Description

Technical Field

[0001] The invention belongs to the technical field of testing equipment, and in particular relates to an electronic lock testing platform. Background Art

[0002] An electronic lock is a lock driven by an electrical signal and is widely used in electronically controlled devices such as new energy vehicles or smart homes.

[0003] Before the electronic lock is put into production, it needs to be tested. The general testing equipment is relatively simple and can only perform some simple life tests. There is a lack of tests on the number of times the electronic lock is opened and closed, the force of opening the door, etc. The test performance is relatively simple. For this reason, Chinese patent CN111175605A discloses an electronic lock test and detection equipment, including a frame, a display screen, a camera, a control panel and a number of test robots; the frame is provided with a number of door frames, and the door frames are rotatably provided with anti-theft doors, and the anti-theft doors are locked with the door frames through the provided electronic locks; the test robot is arranged on one side of the door frame and is used to control the opening and closing of the anti-theft door; the test robot, the display screen and the camera are electrically connected to the control panel respectively, the test robot is provided with a detector for detecting the force of opening the door and a counter for the number of door openings, the test robot transmits the force of opening the door and the number of door openings to the control panel, and the control panel controls the display screen to display the force of opening the door and the number of door openings; it can perform a comprehensive test on the performance, and use the test robot to simulate the normal opening and closing of the door by a person for testing; at the same time, a nozzle is used to perform a water spray test on the electronic lock, an electrostatic tester can perform an electrostatic test on the electronic lock, and a camera can detect the test process;

[0004] However, in the above scheme, only the door opening and closing action and waterproof performance of the electronic lock can be tested, and performance parameters such as the lock rod length and the lock rod pushing force cannot be tested. The electronic lock needs to be taken to different devices for testing separately, which is not convenient for testing, and it is impossible to measure the thrust change of the lock rod during the travel process. The test accuracy is not high. Therefore, an electronic lock test bench with high test accuracy and high test convenience is needed. Summary of the invention

[0005] In order to solve the above problems existing in the prior art, the present invention provides an electronic lock test bench, which has the characteristics of high test accuracy and high test convenience.

[0006] The purpose of the present invention can be achieved through the following technical solutions:

[0007] An electronic lock test bench comprises a test bench, a test device and a control module. The test device comprises a slide table, an infrared displacement sensor and a pressure sensor arranged on the surface of the test bench, and also comprises a fixture arranged on the slide table. The slide table, the infrared displacement sensor and the pressure sensor are electrically connected to the control module respectively. The fixture is used to fix the electronic lock to be tested. The infrared displacement sensor is used to monitor the length of the lock rod of the electronic lock to be tested and upload the length to the control module. The pressure sensor is used to detect the pushing pressure of the lock rod and upload the pressure to the control module.

[0008] As a preferred technical solution of the present invention, it also includes a control panel, which is electrically connected to the control module. The control module is used to upload the measurement results to the control panel, and the control panel displays the measurement results.

[0009] As a preferred technical solution of the present invention, when the detection result of the pressure sensor exceeds a threshold value, the control module instructs the infrared displacement sensor to perform additional measurements.

[0010] As a preferred technical solution of the present invention, the pressure sensor is used to detect the pushing pressure of the locking rod and upload the pressure L to the control module, and the control module performs an additional A measurements on the length of the locking rod, where A=f(x), f(x)=an integer of L / L0, and L0 is a thrust reference value pre-input into the control module.

[0011] As a preferred technical solution of the present invention, it also includes an unlocking force tester, which is used to measure the unlocking force of the electronic lock to be tested by pushing and upload it to the control module. The control module reduces the pushing force of the unlocking force tester when the length of the locking rod is lower than a threshold.

[0012] As a preferred technical solution of the present invention, the unlocking force tester is used to measure the unlocking force of the electronic lock to be tested by pushing and upload it to the control module. The control module instructs the unlocking force tester to apply a force F to the electronic lock to be tested during the test, wherein F=C0 / C×d, C is the length of the lock rod measured by the infrared displacement sensor and uploaded to the control module, and C0 and d are constants pre-input into the control module.

[0013] The beneficial effects of the present invention are:

[0014] (1) By setting up an infrared displacement sensor and a pressure sensor, the length of the lock rod of the electronic lock and the pressure when the lock rod of the electronic lock is extended are measured, thereby improving the convenience of the test. At the same time, the thrust change of the lock rod from the beginning to the end of the movement is obtained, so that the control module can draw a curve of the push-pull force change over time during the movement of the lock rod, thereby improving the test accuracy;

[0015] (2) By making the control module instruct the infrared displacement sensor to perform additional measurements when the detection result of the pressure sensor exceeds the threshold, when the thrust of the electronic lock to be tested is large, the vibration is large during the unlocking process, and there is a high probability that the lock rod length measurement will be inaccurate, the test number is increased to improve the test accuracy; when the thrust is small, the vibration is small during the unlocking process, and there is a low probability that the lock rod length measurement will be inaccurate, the test number is reduced to improve the test efficiency;

[0016] (3) By enabling the control module to reduce the pushing force of the unlocking force tester when the locking rod length is lower than the threshold, when the locking rod stroke is short and the pushing force is too large, the pushing force will be reduced, the pushing speed will be extended, the number of collecting points will be increased, and the measurement accuracy will be improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to facilitate understanding by those skilled in the art, the present invention is further described below with reference to the accompanying drawings.

[0018] Figure 1 This is a schematic diagram of the structure for testing the thrust force of the locking rod of the present invention;

[0019] Figure 2 This is a schematic diagram of the structure of the present invention when testing the push-back pulling force of the lock rod;

[0020] Description of main component symbols:

[0021] In the figure: 1. test bench; 2. slide table; 3. fixture; 4. pressure sensor; 5. infrared displacement sensor; 6. unlocking force tester; 7. electronic lock to be tested. DETAILED DESCRIPTION

[0022] In order to further explain the technical means and effects adopted by the present invention to achieve the predetermined invention purpose, the specific implementation methods, structures, features and effects of the present invention are described in detail below in conjunction with the accompanying drawings and preferred embodiments.

[0023] See also Figure 1-2 , an electronic lock test bench, comprising a test bench 1, a test device and a control module, wherein the test device comprises a slide table 2, an infrared displacement sensor 5 and a pressure sensor 4 arranged on the surface of the test bench 1, and also comprises a fixture 3 arranged on the slide table 2;

[0024] Specifically, the test bench 1 is a rectangular parallelepiped platform, and a three-axis slide 2 is arranged on the surface of the test bench 1. The three-axis slide 2 can move along the surface of the test bench 1, and can drive the slide 2 to move in a direction perpendicular to the test bench 1 to achieve X, Y, and Z three-axis movement. At the same time, a clamp 3 is arranged on the surface of the slide 2, and the clamp 3 is used to clamp electronic locks of different specifications;

[0025] At the same time, a pressure sensor 4 is arranged on the surface of the test bench 1. The pressure sensor 4 is a retractable structure. The setting position of the pressure sensor 4 ensures that after the electronic lock 7 to be tested is installed on the fixture 3, the locking rod is parallel to the retracting direction of the pressure sensor 4. The end of the pressure sensor 4 close to the slide 2 is the target position. The pressure sensor 4 can periodically count the extrusion force it receives during the extrusion process.

[0026] When in use, the fixture 3 cooperates with the slide 2 to adjust the position of the electronic lock above the test bench 1 to ensure that the lock rods of the electronic locks of different specifications can be aligned with the target position. Then, the electronic lock 7 to be tested releases the lock rod, which squeezes the pressure sensor 4 and pushes the pressure sensor 4 until the lock rod is extended to the upper limit of the stroke. During the extension of the lock rod, the pressure sensor 4 periodically counts the pressure it is subjected to.

[0027] The slide 2, the infrared displacement sensor 5 and the pressure sensor 4 are electrically connected to the control module respectively. The fixture 3 is used to fix the electronic lock 7 to be tested. The infrared displacement sensor 5 is used to monitor the length of the lock rod of the electronic lock 7 to be tested and upload the length to the control module.

[0028] The pressure sensor 4 is used to detect the pushing pressure of the locking rod and upload the pressure to the control module. After receiving the pressure statistically analyzed over time, the control module can draw a curve of the push and pull force applied to the pressure sensor 4 during the movement of the locking rod over time. When the locking rod is fully extended, the infrared displacement sensor 5 measures the length of the locking rod and uploads it to the control module.

[0029] By setting up an infrared displacement sensor 5 and a pressure sensor 4, the length of the locking rod of the electronic lock and the pressure when the locking rod of the electronic lock is extended are measured, thereby improving the convenience of testing. At the same time, the thrust change of the locking rod from the beginning to the end of the movement is obtained, so that the control module can draw a curve of the push-pull force changing with time during the movement of the locking rod, thereby improving the test accuracy.

[0030] After the control module draws the pressure curve over time, it also includes a control panel to facilitate the operator's viewing. The control panel is electrically connected to the control module. The control module is used to upload measurement results such as pressure curve data to the control panel, and the control panel displays measurement results such as pressure curve images.

[0031] In the above process, the pop-up pressures of different electronic locks 7 to be tested are different. When the pop-up pressure of the electronic lock rod is large, there is a probability that the electronic lock itself will generate a certain vibration. At this time, there is a probability that the lock rod will deviate from its original position, resulting in inaccurate measurement of the lock rod length. Multiple measurements are required to improve the measurement accuracy. When the vibration during the unlocking process is small, the probability of inaccurate measurement of the lock rod length is small. Multiple tests are performed to reduce the number of tests and improve the test efficiency.

[0032] To this end, when the detection result of the pressure sensor 4 exceeds the threshold, the control module instructs the infrared displacement sensor 5 to perform additional measurements. Specifically, the pressure sensor 4 is used to detect the push pressure of the lock rod and upload the pressure L to the control module, and the control module performs an additional A measurement of the length of the lock rod, where A=f(x), f(x)=an integer of L / L0, and L0 is a thrust reference value pre-input into the control module;

[0033] When the pressure sensor 4 detects that the thrust force L of the lock rod is large, it means that the electronic lock 7 to be tested itself has a certain probability of generating a certain vibration, resulting in inaccurate measurement of the lock rod length, and the number of tests needs to be increased. At this time, the value of A=L / L0 is large. When the thrust force increases to a value of L / L0 greater than 2, the control module instructs the infrared displacement sensor 5 to perform additional measurements to reduce the probability of inaccurate lock rod detection caused by vibration and improve measurement accuracy.

[0034] When the pressure sensor 4 detects that the thrust force L of the lock rod is small, it means that the probability of the electronic lock 7 to be tested generating vibration itself is small, and there is no need to increase the number of tests. At this time, the value of A=L / L0 is small, which reduces the number of tests and improves the test efficiency.

[0035] By enabling the control module to instruct the infrared displacement sensor 5 to perform additional measurements when the detection result of the pressure sensor 4 exceeds the threshold, when the thrust of the electronic lock 7 to be tested is large, the vibration is large during the unlocking process, and there is a high probability of inaccurate measurement of the locking rod length, the number of tests is increased to improve the test accuracy; when the thrust is small, the vibration is small during the unlocking process, and the probability of inaccurate measurement of the locking rod length is small, the number of tests is reduced to improve the test efficiency.

[0036] The unlocking force tester 6 is also included, and the unlocking force tester 6 is used to measure the unlocking force of the electronic lock 7 to be tested by pushing and upload it to the control module, and the control module reduces the pushing force of the unlocking force tester 6 when the length of the lock rod is lower than the threshold value;

[0037] In order to test how much thrust is needed to push the lock rod back when the lock rod is not retracted in the case of power failure, an unlocking force tester 6 is also included. The unlocking force tester 6 is used to measure the unlocking force of the electronic lock 7 to be tested by pushing and upload it to the control module. The control module reduces the pushing force of the unlocking force tester 6 when the length of the lock rod is lower than the threshold. Specifically, the unlocking force tester 6 includes a servo motor. The pushing is performed by the servo motor applying a thrust to the lock rod. The control module is electrically connected to the servo motor, and the pushing force output to the lock rod is adjusted by adjusting the torque of the servo motor.

[0038] During the test, when the locking rod is shorter, the unlocking force tester 6 is used to measure the unlocking force of the electronic lock 7 to be tested by pushing and upload it to the control module. The control module instructs the unlocking force tester 6 to apply a force F to the electronic lock 7 to be tested during the test, where F=C0 / C×d, C is the length of the locking rod measured by the infrared displacement sensor 5 and uploaded to the control module, and C0 and d are constants pre-input into the control module.

[0039] By enabling the control module to reduce the pushing force of the unlocking force tester 6 when the locking rod length is lower than the threshold value, when the locking rod stroke is short and the pushing force is too large, which will cause the pushing to be too fast and fail to form enough collection points, the pushing force is reduced, the pushing speed is extended, the number of collection points is increased, and the measurement accuracy is improved.

[0040] The working principle and use process of the present invention:

[0041] When in use, the fixture 3 cooperates with the slide 2 to adjust the position of the electronic lock above the test bench 1 to ensure that the lock rods of the electronic locks of different specifications can be aligned with the target position. Then, the electronic lock 7 to be tested releases the lock rod, which squeezes the pressure sensor 4 and pushes the pressure sensor 4 until the lock rod is extended to the upper limit of the stroke. During the extension of the lock rod, the pressure sensor 4 periodically counts the pressure it is subjected to.

[0042] The pressure sensor 4 is used to detect the pushing pressure of the locking rod and upload the pressure to the control module. After receiving the pressure periodically counted over time, the control module can draw a curve of the push-pull force applied to the pressure sensor 4 changing with time during the movement of the locking rod. After the locking rod is fully extended, the infrared displacement sensor 5 measures the length of the locking rod and uploads it to the control module.

[0043] The above description is only a preferred embodiment of the present invention and does not limit the present invention in any form. Although the present invention has been disclosed as a preferred embodiment as above, it is not used to limit the present invention. Any technical personnel in this field can make some changes or modify the technical contents disclosed above into equivalent embodiments without departing from the scope of the technical solution of the present invention. However, any brief modifications, equivalent changes and modifications made to the above embodiments based on the technical essence of the present invention without departing from the content of the technical solution of the present invention are still within the scope of the technical solution of the present invention.

Claims

1. An electronic lock test bench, characterized in that: The test device comprises a test bench, a test device and a control module. The test device comprises a slide table, an infrared displacement sensor and a pressure sensor arranged on the surface of the test bench, and also comprises a fixture arranged on the slide table. The slide table, the infrared displacement sensor and the pressure sensor are electrically connected to the control module respectively. The fixture is used to fix the electronic lock to be tested. The infrared displacement sensor is used to monitor the length of the lock rod of the electronic lock to be tested and upload the length data to the control module. The pressure sensor is used to detect the push pressure of the lock rod and upload the pressure data to the control module. It also includes a control panel, the control panel is electrically connected to the control module, the control module is used to upload the measurement result to the control panel, and the control panel displays the measurement result; The control module instructs the infrared displacement sensor to perform additional measurements when the detection result of the pressure sensor exceeds a threshold value; The pressure sensor is used to detect the push pressure of the lock rod and upload the pressure L to the control module, and the control module measures the length of the lock rod an additional A times, where A=L / L0, an integer, and L0 is a thrust reference value pre-input into the control module; It also includes an unlocking force tester, which is used to measure the unlocking force of the electronic lock to be tested by pushing and upload it to the control module. The control module reduces the pushing force of the unlocking force tester when the length of the lock rod is lower than a threshold.

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