CN115683193A - Device and method for testing service life of contact sensor - Google Patents

Abstract

The application provides a contact sensor life testing device and a testing method, wherein the contact sensor life testing device comprises: a base body; the clamping component is arranged on the base body and used for fixing the contact sensor, and the contact sensor has an open state and a closed state; the trigger assembly is arranged on the base body and can move towards the direction close to or away from the contact sensor; when the trigger component touches the contact sensor, the trigger component is in a closed state, and when the trigger component is separated from the contact sensor, the trigger component is in an open state; the driving assembly is arranged on one side of the base body and used for driving the trigger assembly to move along a first direction; the control assembly is electrically connected with each contact sensor and is used for monitoring the state of each contact sensor and recording the action times of the contact sensors; and then obtain the life-span of touch sensor, compare with handheld touch sensor and do the action test, improved work efficiency.

Description

Device and method for testing service life of contact sensor

Technical Field

The application relates to the technical field of sensors, in particular to a device for testing the service life of a contact sensor.

Background

The parameter test of the contact sensor is an important link in the finished product screening test of the contact sensor, the current product test process is manual test, the contact sensor is connected to a tester, the contact sensor is held by hands to perform action test, and the data recorded by the comprehensive tester is used for subsequently generating reports.

With the continuous improvement of annual output value, the work efficiency utilization rate of the existing test operators and test equipment basically tends to saturation, and under the condition that the operators and the corresponding comprehensive testers are not increased, the work efficiency is difficult to be further improved, so that the further improvement of the company production energy is seriously restricted.

Disclosure of Invention

In view of the above-mentioned drawbacks and deficiencies of the prior art, the present application is directed to a device and method for testing the life of a contact sensor.

In a first aspect, the present application provides a device for testing the life of a contact sensor, comprising:

a test bench;

a plurality of life-span accredited testing organization, it is a plurality of life-span accredited testing organization locates on the testboard, life-span accredited testing organization includes:

a base body;

the clamping assembly is arranged on the base body and used for fixing the contact sensor, and the contact sensor has an open state and a closed state;

the trigger assembly is arranged on the base body and can move towards the direction close to or away from the contact sensor along a first direction; when the trigger component touches the contact sensor, the contact sensor is in the closed state, and when the trigger component is separated from the contact sensor, the contact sensor is in the open state;

the driving assembly is arranged on one side of the base body and is used for driving the trigger assembly to move along the first direction;

the control assembly is electrically connected with each contact sensor and used for monitoring the state of each contact sensor and recording the action times of the contact sensors.

According to the technical scheme provided by the embodiment of the application, the side, away from the contact sensor, of the trigger assembly is provided with a pressure testing assembly, and the pressure testing assembly is used for measuring acting force applied to the contact sensor by the trigger assembly.

According to the technical scheme provided by the embodiment of the application, the method comprises the following steps: the base body is provided with a first upright post; the clamping assembly comprises:

the bottom plate is arranged at the top of the first upright post; two sides of the bottom plate along the second direction are provided with first vertical plates, the extending direction of the first vertical plates is a third direction, and the third direction is perpendicular to the first direction and the second direction;

the first abutting plates are arranged on the side, close to each other, of the first vertical plate, a first space is formed between the two first abutting plates, and the first space is used for placing the contact sensor;

and the clamping assembly penetrates through the first vertical plate and is abutted against the first abutting plate, and the first abutting plate can be driven to move along the second direction by rotating the clamping assembly.

According to the technical scheme provided by the embodiment of the application, the first vertical plate is provided with the first through hole, the axis direction of the first through hole is the second direction, the first butt joint plate is provided with the guide post, and the guide post can pass through the first through hole.

According to the technical scheme that this application embodiment provided, first butt joint board is rectangular shaped plate, first butt joint board is kept away from first stand side with contact pick up butt.

According to the technical scheme provided by the embodiment of the application, the first abutting plates are provided with second abutting plates close to each other, a second space is formed between the two second abutting plates, and the second space is used for placing the contact sensor; the second butt joint board has first slant portion and second slant portion, first slant portion with form first contained angle between the second slant portion, the opening direction orientation of first contained angle the contact sensor side.

According to the technical scheme provided by the embodiment of the application, the driving assembly comprises:

the second upright column is arranged on the base body, and the top of the second upright column is provided with the trigger assembly and the pressure testing assembly;

the screw rod penetrates through the first upright post, one end of the screw rod penetrates through the second upright post and is in threaded connection with the second upright post;

the driving motor is arranged on one side of the base body, and the output end of the driving motor is connected with the end, far away from the second stand column, of the screw rod; the driving motor can drive the second upright post to drive the trigger assembly to move along the first direction.

According to the technical scheme that this application embodiment provided, be equipped with the guide rail on the base body, the extending direction of guide rail does first direction, second stand bottom be equipped with the slider that the guide rail matches, the slider can the guide rail is followed first direction slides.

In a second aspect, the present application provides a testing method of the device for testing life of a contact sensor, which includes the following steps:

s100, setting an initial position and a preset moving distance;

s200, acquiring a driving signal and motor driving parameters, wherein the motor driving parameters comprise a first speed parameter;

s300, responding to the driving signal;

s400, driving the driving assembly to drive the triggering assembly to move from the initial position along the first direction at the first speed parameter, and touching the contact sensor when moving the preset moving distance;

s500, judging whether the state switching signal of the contact sensor is received or not, and if the state switching signal of the contact sensor is received, increasing the service life times by 1; if the state switching signal is not received, increasing 1 by the number of faults;

s600, driving the driving assembly to return to the initial position;

s700, repeatedly executing the steps S400-S600;

s800, setting the total number of faults;

s900, judging whether the failure times are equal to the total failure number or not, and if the failure times are equal to the total failure number, acquiring the accumulated life times, wherein the accumulated life times are the life value of the contact sensor.

According to the technical scheme provided by the embodiment of the application, the acquired first speed parameter comprises the following steps:

setting a preset time length, wherein the preset time length is the time for driving the trigger assembly to reciprocate once by the driving assembly;

acquiring environmental temperature information;

constructing an intelligent algorithm, wherein the intelligent algorithm is used for representing the material deformation quantity of the testing device at different temperatures;

inputting the environment temperature information into the intelligent algorithm to obtain mechanical deformation;

and obtaining the first speed parameter based on the mechanical deformation and the preset duration.

In summary, the application provides a contact sensor testing device, in which a testing mechanism is disposed on a testing platform, the testing mechanism includes a base body, a clamping component disposed on the base body and used for fixing a contact sensor, a triggering component used for triggering the contact sensor, and a driving component for driving the triggering component to move toward or away from the contact sensor, when the driving component drives the triggering component to touch the contact sensor, the contact sensor is in a closed state, and when the driving component drives the triggering component to disengage from the contact sensor, the contact sensor is in an open state; the control component is used for monitoring the state and the action times of the contact sensor; during the use, through drive assembly automatic trigger contact sensor many times to through the make-and-break number of times that the control assembly obtained contact sensor, and then obtain contact sensor's life-span, do the action test with traditional handheld contact sensor and compare, improved work efficiency, avoided because the productivity of test restriction company.

Drawings

Fig. 1 is a schematic structural diagram of a life testing mechanism according to an embodiment of the present disclosure;

FIG. 2 is a side view of a life testing mechanism provided in an embodiment of the present application;

fig. 3 is a schematic structural diagram of a device for testing the life of a contact sensor according to an embodiment of the present disclosure;

fig. 4 is a schematic structural diagram of a first abutting part and a second abutting part when a contact sensor provided by an embodiment of the application is spherical in shape;

fig. 5 is a flowchart of a testing method of a device for testing a lifetime of a contact sensor according to an embodiment of the present disclosure.

The text labels in the figures are represented as: 100. a base body; 110. a first upright post; 130. a photosensor; 131. a photoelectric baffle plate; 200. a clamping assembly; 210. a base plate; 220. a first vertical plate; 230. a first butt joint plate; 231. a guide post; 240. a clamping assembly; 241. a first bolt; 250. a first height adjustment plate; 260. positioning a plate; 270. a second butt joint plate; 271. a first inclined portion; 272. a second diagonal portion; 300. a contact sensor; 301. a contact; 400. a trigger component; 410. a pressure testing assembly; 500. a drive assembly; 510. a second upright post; 520. a second height-adjusting plate; 530. a screw rod; 540. a drive motor; 550. a guide rail; 600. a control component; 700. a touch screen; 800. a test bench; 900. life-span test mechanism.

Detailed Description

The present application will be described in further detail with reference to the drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not to be construed as limiting the invention. It should be noted that, for convenience of description, only the portions related to the present invention are shown in the drawings.

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present application will be described in detail below with reference to the embodiments with reference to the attached drawings.

Example 1

As mentioned in the background, the present application provides a device for testing the lifetime of a contact sensor, as shown in fig. 1 to 3, in order to solve the problems of the prior art, comprising:

a test station 800; optionally, the test bench 800 is a rectangular parallelepiped;

the service life testing mechanisms 900 are arranged on the test bench 800, the service life testing mechanisms 900 are used for testing, the non-contingency of a testing result is eliminated, and the service life testing mechanisms 900 are distributed and arranged along the length direction of the test bench 800; the life test mechanism 900 includes:

a base body 100; optionally, the base body 100 is a rectangular plate; the length direction of the base body 100 is perpendicular to the length direction of the test platform;

the clamping assembly 200 is arranged on the base body 100, the clamping assembly 200 is used for fixing the contact sensor 300, and the contact sensor 300 has an open state and a closed state; optionally, the touch sensor 300 includes a travel switch, a relay, etc., and the relay further includes a general relay, a magnetic holding type relay, a polarization type relay, etc., and the touch sensor 300 functions in a similar manner to a button, except that the button is turned on and off by pressing, and the touch sensor 300 is turned on and off by "bumping"; in some specific scenarios, the contact sensor 300 is the travel switch, the travel switch includes a contact 301, and in use, after the contact 301 is collided, the contact 301 drives a normally open contact inside the contact sensor 300 to be closed, or a normally closed contact to be opened, so that the contact sensor 300 has an open state and a closed state;

a trigger assembly 400, wherein the trigger assembly 400 is disposed on the base body 100, and the trigger assembly 400 can move toward or away from the contact sensor 300 along a first direction; when the trigger assembly 400 touches the contact sensor 300, the contact sensor 300 is in the closed state, and when the trigger assembly 400 is disengaged from the contact sensor 300, the contact sensor 300 is in the open state; specifically, the trigger assembly 400 is spherical in shape, and has a first plane near the end of the contact sensor 400, the first plane is perpendicular to the extending direction of the base body 100, and the center of the first plane is coaxially arranged with the contact 301; the structure of the trigger assembly 400 increases the contact area with the contact 301, and improves the stability of the contact;

a driving assembly 500, wherein the driving assembly 500 is disposed at one side of the base body 100, and the driving assembly 500 is used for driving the triggering assembly 400 to move along the first direction; wherein, the first direction is a horizontal direction, and is parallel to the direction of the long side of the base body 100;

a control assembly 600, wherein the control assembly 600 is electrically connected with each contact sensor 300, and the control assembly 600 is used for monitoring the state of each contact sensor 300 and recording the action times of the contact sensors 300; when the touch sensor 300 is used, the touch sensor 300 is automatically triggered for multiple times through the driving assembly 500, the on-off times of the touch sensor 300 are obtained through the control assembly 600, the service life of the touch sensor 300 is further prolonged, and compared with a traditional handheld touch sensor which is used for performing an action test, the touch sensor 300 improves the working efficiency and avoids the limitation of the productivity of a company due to the test.

Further, the side of the trigger assembly 400 away from the contact sensor 300 is provided with a pressure testing assembly 410, and the pressure testing assembly 410 is used for measuring the acting force applied to the contact sensor 300 by the trigger assembly 400; optionally, the pressure testing component 410 adopts an S-type pull pressure sensor, which is model number DYLY-107, the trigger component 400 is connected to the outer wall of the pressure testing component 410 through a screw joint, and the pressure testing component 410 can detect the magnitude of the acting force applied to the contact sensor 300, so as to prevent the contact sensor 300 from being mechanically damaged during the test process due to the excessive acting force; before the pressure test assembly 410 is used, pressure calibration is required, and under certain specific scenarios, the accuracy of the pressure test assembly 410 after calibration is as follows: when the pressure range is 2.5 Kg-15 Kg, the precision is +/-1.5%; when the pressure range is 1Kg to 2.5Kg, the precision is +/-2%; the pressure range is 0.5 Kg-1 Kg, the precision is + -5%.

Further, as shown in fig. 1 and fig. 2, a first upright column 110 is disposed on the base body 100; optionally, the first upright column 110 is a rectangular parallelepiped, and the first upright column 110 is fixed to the left end face of the base body 100 by screwing;

the clamping assembly 200 includes:

a bottom plate 210, wherein the bottom plate 210 is arranged at the top of the first upright post 110; two sides of the bottom plate 210 along the second direction are provided with first vertical plates 220, an extending direction of the first vertical plates 220 is a third direction, and the third direction is perpendicular to the first direction and the second direction; wherein the second direction is a horizontal direction, which is parallel to the direction of the short side of the base body 100, and the third direction is a vertical direction; optionally, the first vertical plates 220 are rectangular plates, and the two first vertical plates 220 are screwed with the end surfaces on the two sides of the bottom plate 210;

a first abutting plate 230, wherein the first abutting plate 230 is arranged at a position where the first vertical plates 220 are close to each other, and a first space is formed between the two first abutting plates 230 and used for placing the contact sensor 300; the first abutting plate 230 is not connected to the bottom plate 210, but is placed on the inner side of the first vertical plate 220, and is tightly attached to the outer wall of the contact sensor 300;

a clamping assembly 240, wherein the clamping assembly 240 penetrates through the first vertical plate 220 to abut against the first abutting plate 230, and rotating the clamping assembly 240 can drive the first abutting plate 230 to move along the second direction; optionally, a first threaded hole is formed in the middle of the first vertical plate 220, a first bolt 241 penetrates through the first threaded hole to abut against the end, away from the contact sensor 300, of the first abutting plate 230, a handle is installed at the other end of the first abutting plate, so that the first bolt 241 can be rotated conveniently, and the first abutting plate 230 can drive the contact sensor 300 to move along the second direction by rotating the first bolt 241; further, the bottom plate 210 is provided with a first height-adjusting plate 250 on the side close to the first upright post 110, the first height-adjusting plate 250 is fixedly connected with the first upright post 110 and the bottom plate 210 through a bolt, the contact 301 and the trigger assembly 400 are coaxially arranged by adjusting the height of the first height-adjusting plate 250 and the position of the first abutting plate 230, and the test stability is improved.

In addition, a positioning plate 260 is further disposed on the first upright post 110, an extending direction of the positioning plate 260 is a vertical direction, a bottom end of the positioning plate 260 is fixed on the first upright post 110, a side of the positioning plate, which is close to the trigger assembly 400, is closely attached to the contact sensor 300, and the positioning plate 260 is configured to prevent the contact sensor 300 from moving away from the driving assembly 500 along the first direction.

Further, a first through hole is formed in the first vertical plate 220, an axial direction of the first through hole is the second direction, a guide post 231 is arranged on the first abutting plate 230, and the guide post 231 can pass through the first through hole; optionally, the guide posts 231 may be screwed or welded on the first abutting plate 230, two first through holes are distributed on two sides of the first threaded hole, two guide posts 231 are arranged on the first abutting plate 230, and the guide posts 231 are used for limiting the contact sensor 300 to move along the second direction.

Further, the first abutting plate 230 is a rectangular plate, and the side of the first abutting plate 230 away from the first vertical plate 220 abuts against the contact sensor 300; in some specific scenes, the shape of the contact sensor 300 is a cuboid, and the contact sensor 300 can be locked by the two first abutting plates 230 and the positioning plate 260.

Example 2

The same parts as those in embodiment 1 will not be described again, but the differences are: further, as shown in fig. 4, the first abutting plates 230 are provided with second abutting plates 270 near to each other, and a second space is formed between the two second abutting plates 270, and the second space is used for placing the contact sensor 300; the second abutting plate 270 has a first oblique portion 271 and a second oblique portion 272, a first included angle is formed between the first oblique portion 271 and the second oblique portion 272, and an opening direction of the first included angle faces the contact sensor 300 side; in some specific scenarios, the contact sensor 300 has a spherical shape, and if the first contact plate 230 directly contacts the contact sensor 300, the contact sensor 300 may be moved upward when the trigger assembly 400 exerts a force on the contact sensor 300; first slant portion 271 with form the second contained angle between the bottom plate 210, second contained angle opening direction orientation is kept away from another second butt joint board 270, second slant portion 272 with first slant portion 271 is kept away from the top of bottom plate 210 is connected, the extension line of second slant portion 272 with form the third contained angle between the bottom plate 210, the opening direction orientation of third contained angle is close to another second butt joint piece 270 side, so work as contact sensor 300 arranges in during the second space, second slant portion 272 can prevent contact sensor 300 rebound, has improved the stability of test.

Example 3

On the basis of embodiment 1 or embodiment 2, as shown in fig. 1 and fig. 2, further, the driving assembly 500 includes:

the second upright column 510, the second upright column 510 is arranged on the base body 100, and the top of the second upright column 510 is provided with the trigger assembly 400 and the pressure testing assembly 410; optionally, the second upright column 510 is a rectangular parallelepiped, a second height-adjusting plate 520 is disposed at the top of the second upright column 510, the second height-adjusting plate 520 is screwed with the second upright column 510, and the height of the second height-adjusting plate 520 can be adjusted according to different heights of the contact sensor 300, so that the trigger assembly 400 and the contact 301 are coaxially disposed;

a screw rod 530, wherein the screw rod 530 penetrates through the first upright 110, and one end of the screw rod 530 penetrates through the second upright 510 and is in threaded connection with the second upright 510; specifically, a second threaded hole is formed in the middle of the second upright 510, the axis direction of the second threaded hole is a horizontal direction, the screw rod 530 is provided with an external thread matched with the second threaded hole, and the second upright 510 is sleeved outside the screw rod 530 and is in threaded connection with the screw rod 530;

the driving motor 540 is arranged on one side of the base body 100, and the output end of the driving motor 540 is connected with the end, far away from the second upright column 510, of the screw rod 530; the driving motor 540 can drive the second upright 510 to drive the triggering assembly 400 to move along the first direction; the driving motor 540 drives the contact sensor 300 to move through a lead screw, the driving motor 540 rotates to drive the lead screw 530 to rotate, the rotation of the lead screw 530 is converted into the linear movement of the second upright post 510, and the second upright post 510 drives the trigger assembly 400 to move along the first direction; optionally, the driving motor 540 is a servo motor; it is right before the test drive assembly 500 carries out the displacement calibration, and the displacement degree of accuracy soil of this application is 0.05mm.

Further, a guide rail 550 is arranged on the base body 100, the extending direction of the guide rail 550 is the first direction, and a slider matched with the guide rail 550 is arranged at the bottom of the second upright post 510, and the slider can slide along the first direction on the guide rail 550; the guide rail 550 and the slider provide a guiding function for the second upright 510 to drive the trigger assembly 400 to move.

Further, as shown in fig. 3, the testing apparatus includes a plurality of life testing mechanisms 900, the life testing mechanisms share one control component 600, optionally, as shown in the figure, the control component 600 is a control cabinet electrically connected to the pressure testing component 410, the contact sensor 300, and the driving component 500 of each life testing mechanism 900, the control cabinet can control the plurality of life testing mechanisms 900 to operate synchronously, or optionally, any one or more of the life testing mechanisms can operate, and the driving signal is sent by the control cabinet; the testing device further comprises a touch screen 700, the touch screen 700 is electrically connected with the control component 600, parameter setting and start-stop control can be performed on the touch screen 700, the driving motor 540 is controlled to rotate forwards and backwards according to parameters set by the touch screen 700, the trigger component 400 is further moved to trigger the contact sensor 300 to act, and when the contact sensor 300 fails and the control component 600 cannot receive a state conversion signal of the contact sensor 300, the control component 600 controls the service life testing mechanism to automatically stop and give an alarm for prompting.

Example 4

On the basis of embodiment 3, the present application further provides one or more testing methods of the device for testing the lifetime of a contact sensor, as shown in fig. 5, including the following steps:

s100, setting an initial position and a preset moving distance; two photoelectric sensors 130 are arranged on the base body 100 along the length direction thereof, the light beam direction thereof is a vertical direction, and a photoelectric baffle 131 is arranged on the second upright column; the photoelectric sensor 130 is electrically connected with the control component 600, and when the photoelectric baffle 131 blocks the light beam of the photoelectric sensor 130, the photoelectric sensor 130 sends out a position signal; one of the photoelectric sensors 130 is disposed at an end of the base body 100 away from the driving motor 540, which is the initial position, and the other photoelectric sensor 130 is disposed at a side close to the contact sensor 300, and when the photoelectric sensor 130 sends a go-to-go signal, it indicates that the second pillar 510 drives the trigger assembly 400 to reach an area close to the contact sensor 300; the preset moving distance is a distance that the second upright post 510 drives the trigger assembly 400 to move from the initial position to the side of the contact sensor 300, and the distance is calculated according to factors such as the length of the contact 301 of the contact sensor 300, the initial position, the length of the trigger assembly 400, and the like, and the distance that the driving motor 540 moves to the side close to the contact sensor 300 is the preset moving distance;

s200, acquiring a driving signal and motor driving parameters, wherein the motor driving parameters comprise a first speed parameter; the driving parameters are set on the touch screen 700, and the driving parameters include the preset moving distance, the speed of the driving motor 540, and other parameters, and after the parameters are set, a starting signal, that is, the driving signal is sent to the control component 600 through the touch screen 700;

s300, responding to the driving signal;

s400, driving the driving assembly 500 to drive the triggering assembly 400 to move from the initial position along the first direction at the first speed parameter, and when moving the preset moving distance, touching the contact sensor 300; the preset moving distance is set according to a state that can trigger the contact sensor 300 to switch, so that after the trigger assembly 400 moves the preset moving distance, the contact sensor 300 sends a switched state signal to the control assembly 600, for example: the contact sensor 300 is a normally open type travel switch, and in an initial state, a state signal in the control component 600 is 0, and after the trigger component 400 touches the travel switch, the travel switch is switched to a closed state, and the state signal in the control component 600 is switched to 1;

s500, judging whether a state switching signal of the contact sensor 300 is received or not, and if the state switching signal is received, increasing the service life times by 1; if the state switching signal is not received, increasing 1 by the number of faults; if the status signal of the contact sensor 300 in the control component 600 is converted from 1 to 0, or from 0 to 1, the number of lifetime is incremented by 1, otherwise, the number of failure is incremented by 1;

s600, driving the driving assembly 500 to return to the initial position; when the driving assembly 500 moves the preset moving distance, returning to the initial position;

s700, repeatedly executing the steps S400-S600;

s800, setting the total number of faults;

s900, judging whether the failure times are equal to the total failure number or not, if so, acquiring the accumulated life times, and taking the accumulated life times as the life value of the contact sensor 300; if the touch sensor 300 is not switched after the trigger assembly touches, it cannot be said that the touch sensor 300 is damaged, in order to eliminate the contingency of multiple factors, the total number of faults is set, when the number of faults reaches the total number of faults, it represents that the touch sensor 300 is damaged, and the number of accumulated lives is the life value of the touch sensor 300.

Further, the acquired first speed parameter includes the following steps:

setting a preset time length, wherein the preset time length is the time for driving the trigger assembly 400 to reciprocate once by the driving assembly 500; i.e. to ensure that the touch sensor 300 is triggered at the same frequency;

acquiring environmental temperature information; under different environmental temperatures, the overall material of the life test device generates mechanical deformation of expansion with heat and contraction with cold, and the mechanical deformation changes the moving distance of the trigger assembly 400, so the influence of temperature change on the test needs to be considered; a temperature sensor is arranged on a test site and is electrically connected with the control assembly 600; the control component 600 reads the torque of the driving motor 540 in the operation process in real time, when the torque has a slightly larger value, it indicates that the mechanical deformation is larger, and the screw part generates larger resistance, in order to ensure the operation environment with the same frequency, the driving motor 540 increases the torque output, if the torque exceeds the limit value, the driving motor 540 stops working, and the control component 600 prompts an alarm; if the read torque of the driving motor 540 has a slightly smaller value, it is indicated that the mechanical deformation amount becomes smaller, in order to ensure an operating environment with the same frequency, the driving motor 540 will reduce the torque output at this time, and similarly, if a very small value occurs, a problem may occur in the matching of a coupling and a shaft in the driving motor 540, at this time, the driving motor 540 stops, and the control component 600 prompts an alarm;

constructing an intelligent algorithm, wherein the intelligent algorithm is used for representing the material deformation quantity of the testing device at different temperatures; the CPU of the control component 600 is internally provided with the intelligent algorithm, and the intelligent algorithm can output different speed signals to the motor according to different environmental temperatures;

inputting the environmental temperature information into the intelligent algorithm to obtain a mechanical deformation;

obtaining the first speed parameter based on the mechanical deformation and the preset time length; the intelligent algorithm can obtain mechanical deformation according to the ambient temperature, the control component 600 obtains the mechanical deformation and parameters such as output torque and rotating speed of the driving motor 540 in real time, the speed of the driving motor 540 is adjusted according to the mechanical deformation and required operating frequency, and the adjusted speed is the first speed; therefore, the influence of the test temperature on the test result is considered, and the accuracy of the test result is improved.

The principles and embodiments of the present application are explained herein using specific examples, which are provided only to help understand the method and the core idea of the present application. The foregoing is only a preferred embodiment of the present application, and it should be noted that there are no specific structures which are objectively limitless due to the limited character expressions, and it will be apparent to those skilled in the art that a plurality of modifications, decorations or changes can be made without departing from the principle of the present invention, and the technical features mentioned above can be combined in a suitable manner; such modifications, variations, combinations, or adaptations of the invention in other instances, which may or may not be practiced, are intended to be within the scope of the present application.

Claims (10)

1. A contact sensor life testing device, comprising:

a test station (800);

a plurality of life-span test mechanism (900), it is a plurality of life-span test mechanism (900) is located on testboard (800), life-span test mechanism (900) includes:

a base body (100);

a clamping assembly (200), the clamping assembly (200) being provided on the base body (100), the clamping assembly (200) being configured to secure the contact sensor (300), the contact sensor (300) having an open state and a closed state;

a trigger assembly (400), wherein the trigger assembly (400) is arranged on the base body (100), and the trigger assembly (400) can move towards or away from the contact sensor (300) along a first direction; the contact sensor (300) is in the closed state when the trigger assembly (400) touches the contact sensor (300), and the contact sensor (300) is in the open state when the trigger assembly (400) is disengaged from the contact sensor (300);

the driving assembly (500) is arranged on one side of the base body (100), and the driving assembly (500) is used for driving the trigger assembly (400) to move along the first direction;

the control assembly (600) is electrically connected with each contact sensor (300), and the control assembly (600) is used for monitoring the state of each contact sensor (300) and recording the action times of the contact sensors (300).

2. The contact sensor life testing device of claim 1, wherein: the side, far away from the contact sensor (300), of the trigger assembly (400) is provided with a pressure testing assembly (410), and the pressure testing assembly (410) is used for measuring the acting force applied to the contact sensor (300) by the trigger assembly (400).

3. The contact sensor life test device according to claim 1, characterized in that: a first upright post (110) is arranged on the base body (100); the clamping assembly (200) comprises:

the bottom plate (210) is arranged at the top of the first upright column (110); two sides of the bottom plate (210) along a second direction are provided with first vertical plates (220), the extending direction of the first vertical plates (220) is a third direction, and the third direction is perpendicular to the first direction and the second direction;

a first abutting plate (230), wherein the first abutting plate (230) is arranged at a position close to the first vertical plate (220), a first space is formed between the two first abutting plates (230), and the first space is used for placing the contact sensor (300);

the clamping assembly (240) penetrates through the first vertical plate (220) to abut against the first abutting plate (230), and the first abutting plate (230) can be driven to move along the second direction by rotating the clamping assembly (240).

4. The contact sensor life testing device of claim 3, wherein: the first vertical plate (220) is provided with a first through hole, the axis direction of the first through hole is the second direction, the first abutting plate (230) is provided with a guide post (231), and the guide post (231) can penetrate through the first through hole.

5. The contact sensor life testing device of claim 4, wherein: the first abutting plate (230) is a rectangular plate, and the side, far away from the first vertical plate (220), of the first abutting plate (230) abuts against the contact sensor (300).

6. The contact sensor life test device of claim 5, wherein: second abutting plates (270) are arranged on the sides, close to each other, of the first abutting plates (230), a second space is formed between the two second abutting plates (270), and the second space is used for placing the contact sensor (300); the second abutting plate (270) is provided with a first oblique portion (271) and a second oblique portion (272), a first included angle is formed between the first oblique portion (271) and the second oblique portion (272), and the opening direction of the first included angle faces the side of the contact sensor (300).

7. The contact sensor life testing device of claim 3, wherein: the drive assembly (500) comprises:

the second upright post (510), the second upright post (510) is arranged on the base body (100), and the top of the second upright post (510) is provided with the trigger assembly (400) and the pressure testing assembly (410);

the screw rod (530), the said screw rod (530) crosses the said first pillar (110), its one end runs through the said second pillar (510), with the said second pillar (510) whorl joint;

the driving motor (540) is arranged on one side of the base body (100), and the output end of the driving motor (540) is connected with the end, far away from the second upright post (510), of the screw rod (530); the driving motor (540) can drive the second upright post (510) to drive the trigger component (400) to move along the first direction.

8. The contact sensor life testing device of claim 7, wherein: be equipped with guide rail (550) on base body (100), the extending direction of guide rail (550) is first direction, second stand (510) bottom be equipped with the slider that guide rail (550) match, the slider can guide rail (550) are followed first direction slides.

9. A method of testing a contact sensor life test device according to any one of claims 1 to 8, comprising the steps of:

s100, setting an initial position and a preset moving distance;

s200, acquiring a driving signal and motor driving parameters, wherein the motor driving parameters comprise a first speed parameter;

s300, responding to the driving signal;

s400, driving the driving assembly (500) to drive the triggering assembly (400) to move from the initial position along the first direction at the first speed parameter, and touching the contact sensor (300) when moving the preset moving distance;

s500, judging whether a state switching signal of the contact sensor (300) is received or not, and if so, increasing the service life times by 1; if the state switching signal is not received, increasing 1 by the number of faults;

s600, driving the driving assembly (500) to return to the initial position;

s700, repeatedly executing the steps S400-S600;

s800, setting the total number of faults;

s900, judging whether the failure times are equal to the total failure number or not, and if the failure times are equal to the total failure number, acquiring the accumulated life times, wherein the accumulated life times are the life value of the contact sensor (300).

10. The method for testing a contact sensor life testing device of claim 9, wherein the obtaining of the first speed parameter comprises the steps of:

setting a preset time length, wherein the preset time length is the time for driving the trigger assembly (400) to reciprocate once by the driving assembly (500);

acquiring environmental temperature information;

constructing an intelligent algorithm, wherein the intelligent algorithm is used for representing the material deformation amount of the testing device at different temperatures;

inputting the environment temperature information into the intelligent algorithm to obtain mechanical deformation;

and obtaining the first speed parameter based on the mechanical deformation and the preset time length.

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