CN115469168A

CN115469168A - Electric automatization testing arrangement

Info

Publication number: CN115469168A
Application number: CN202211134741.XA
Authority: CN
Inventors: 陈明威
Original assignee: College of Science and Technology of Ningbo University
Current assignee: College of Science and Technology of Ningbo University
Priority date: 2022-09-19
Filing date: 2022-09-19
Publication date: 2022-12-13
Anticipated expiration: 2042-09-19

Abstract

The invention relates to the technical field of automatic testing, in particular to an electric automatic testing device which comprises a workbench, a universal meter and two connecting wires, wherein the top surface of the workbench is provided with a placing groove, the universal meter to be detected is placed in the placing groove, the positions of the top surface of the workbench, which correspond to the two sides of the placing groove, are respectively and fixedly connected with two placing seats, and one ends of the two connecting wires are inserted into the top surface of the universal meter; on the one hand, fixture has carried out the location clamp tightly to test probe before detecting the universal meter, and test probe unstability produces contact failure's phenomenon when having avoided detecting, influences the result that detects, and on the other hand, clearance mechanism has cleaned the clearance to the syringe needle before detecting the universal meter, has avoided the syringe needle surface to have the dirt to influence the electric conductivity of syringe needle to influence the result that detects.

Description

Electric automatization testing arrangement

Technical Field

The invention relates to the field of automatic testing, in particular to an electric automatic testing device.

Background

The electrical automation test is mainly used for detecting the performance of electrical equipment and electrical products, and main detection items comprise resistance test, voltage test, current test and the like.

The invention discloses partial invention patents related to electrical automation testing technology in the prior art, and discloses an electrical automation testing table, which comprises a testing table main body, wherein the testing table main body comprises a power supply cabinet and a horizontal counter, the power supply cabinet and the horizontal counter are arranged into an integrated structure, a control unit is arranged on the surface of one side of the horizontal counter and electrically connected with the horizontal counter, and an element testing platform is arranged on the top of the horizontal counter.

In the prior art, when the electric element is detected, voltage or current is tested, auxiliary detection needs to be carried out by means of a universal meter, whether the universal meter is abnormal or not is judged by observing reading of the universal meter, whether the electric element is good or bad is judged, if the universal meter is damaged, a detection result detected by the universal meter does not have referential performance, therefore, before the universal meter is used for leaving a factory, the universal meter needs to be detected, but before a detection head on a wang energy meter is detected, hands and a production environment inevitably touch a probe of the universal meter, so that sweat, dust and other dirt exist on the surface of the probe of the universal meter, and the detection result of the universal meter on the electric element is influenced.

Therefore, the present invention provides an electrical automation test device for solving the above problems.

Disclosure of Invention

The invention aims to solve the defects in the prior art and provides an electric automation testing device.

In order to achieve the above purposes, the technical scheme adopted by the invention is as follows: the utility model provides an electric automatization testing arrangement, includes workstation, universal meter, two connecting wires, the standing groove has been seted up to the top surface of workstation, waits to detect the universal meter is placed in the standing groove, the top surface of workstation corresponds the position difference two of the both sides of standing groove fixedly connected with place the seat, two the one end of connecting wire is pegged graft the top surface of universal meter, two the equal fixedly connected with detection probe of the other end of connecting wire, detection probe includes insulating sheath, syringe needle and insulating ring, the tip of syringe needle with connecting wire electric connection, the fixed surface of syringe needle is connected with insulating sheath, insulating sheath's fixed surface is connected with the insulating ring, detection probe places corresponding two in placing the seat, it is connected with clamping mechanism in advance to place the seat, clamping mechanism is used for pressing on placing the seat in advance the detection probe is right after-pressing insulating sheath presss from both sides, workstation top surface fixedly connected with C style of calligraphy frame, C style of calligraphy frame surface slip cup joints a square frame, the top surface of C style of calligraphy frame is connected with height adjustment mechanism, the bottom surface of mouth style of calligraphy frame is connected with detection mechanism, the both sides of workstation all fixedly connected with U type of clearance seat and U type of centre gripping mechanism is used for clearance probe the clearance mechanism the in the centre gripping mechanism.

Preferably, the height adjusting mechanism comprises an air cylinder, the air cylinder is fixedly connected to the top surface of the C-shaped frame, and a piston rod of the air cylinder penetrates through the C-shaped frame and then is fixedly connected to the top surface of the square frame.

Preferably, clamping mechanism includes two first grooves of stepping down in advance, two the first groove of stepping down all sets up place on the seat inner wall, sliding connection has the tight piece of clamp on the first groove inner wall of stepping down, press from both sides tight piece with through first spring fixed connection between the first groove of stepping down, the top surface and the bottom surface of pressing from both sides tight piece are the inclined plane.

Preferably, detection mechanism includes two test probe, test probe is including the electrically conductive prism and the electrically conductive head that detects that are used for external wire, two the top of electrically conductive prism slides respectively and runs through two corners of mouth word frame bottom and extend to the top of mouth word frame, electrically conductive detect the head with common fixedly connected with rubber spring between the bottom surface of mouth word frame.

Preferably, the clamping mechanism comprises two moving grooves and a butt joint groove, the two moving grooves are symmetrically formed in two inner side walls of the U-shaped seat, clamping blocks are connected in the moving grooves in a sliding mode and provided with extrusion inclined planes, air springs are fixedly connected to opposite surfaces of the two clamping blocks, rubber clamping jaws are fixedly connected to end faces of the two air springs, a second abdicating groove is formed in the side face of the U-shaped seat, a sliding block is connected in the second abdicating groove in a sliding mode and fixedly connected with the side face of the clamping block, and a second spring is fixedly connected between the sliding block and the second abdicating groove;

the butt joint frame comprises two butt joint plates and a connecting frame, the connecting frame is fixedly connected to the corners of the bottom of the square frame, the two butt joint plates are fixedly connected to the front face and the back face of the connecting frame, and the butt joint grooves are formed in the positions, corresponding to the two connecting frames, of the top face of the U-shaped seat.

Preferably, the cleaning mechanism comprises two sliding prisms and two limiting rails, one ends of the two sliding prisms are fixedly connected to the side surfaces of the two clamping blocks respectively, the other ends of the two sliding prisms are connected to the inner wall of the moving groove in a sliding mode, sliding blocks are connected to the surfaces of the two sliding prisms in a sliding mode, a rotating wiping mechanism is connected between the two sliding blocks on the side close to each other, and the rotating wiping mechanism is used for performing twisting wiping on the needle head;

two spacing track sets up respectively two of correspondence above the U type seat the front of butt joint board, spacing track includes first spacing rail, second spacing rail and third spacing rail, two the equal fixedly connected with sliding pin in one side that the sliding block kept away from each other.

Preferably, the rotating wiping mechanism comprises two pairs of arc sleeves, a connecting through groove and a jacking track, the two pairs of arc sleeves are respectively and fixedly connected to one side of the two sliding blocks, the two sliding blocks are close to each other, arc rods are sleeved in the arc sleeves in a sliding manner, the top ends and the bottom ends of the two arc rods on the same pair of arc sleeves are respectively and fixedly connected with pushing plates, arc springs are sleeved above and below the surfaces of the arc rods, the two ends of each arc spring are respectively and fixedly connected with the end part of each arc sleeve and the adjacent pushing plate, an arc plate is fixedly connected between the two pushing plates, one end of each arc plate is fixedly connected with an insertion plate, the other end of each arc plate is provided with an insertion groove matched with the insertion plate, and wiping cotton is fixedly connected to the inner arc surface of each arc plate;

the U-shaped seat is characterized in that a connecting through groove is formed in the end portion of one of the sliding blocks in the U-shaped seat, a jacking plate is connected in the connecting through groove in a sliding mode, one end of the jacking plate is in contact with the adjacent pushing plate, the other end of the jacking plate is fixedly connected with a jacking rod, a jacking track is arranged on the top surface of the sliding prism adjacent to the jacking plate, the jacking track is wavy, and the end portion of the jacking rod is in contact with the jacking track.

Preferably, two place the seat respectively with adjacent all be connected with elasticity stop gear between the U type seat, elasticity stop gear is used for placing detection probe carries out elasticity spacing to the insulator ring during, elasticity stop gear includes spacing seat, spacing seat is located place the seat with between the U type seat, and spacing seat fixed connection is in the side of U type seat, the top surface of spacing seat is located two elasticity spacing pieces of both sides fixedly connected with of test probe, the top surface fixedly connected with limiting plate of spacing seat, the side of limiting plate is the inclined plane.

Preferably, the bottom surface of the inside of the U-shaped seat is connected with a supporting mechanism, the supporting mechanism is used for supporting the needle head, the supporting mechanism comprises two lifting grooves and two linkage prisms, the two lifting grooves are symmetrically formed in the bottom surface of the inside of the U-shaped seat, lifting plates are respectively and slidably connected to the insides of the two lifting grooves, a supporting claw is fixedly connected between the two lifting plates, a abdicating through groove is formed between the two lifting grooves, the supporting claw is slidably connected to the inside of the abdicating through groove, the top end of the supporting claw is in contact with the surface of the needle head, lifting tracks are respectively formed in the front faces of the two lifting plates, and each lifting track comprises a first linkage track, a second linkage track, a third linkage track, a fourth linkage track and a fifth linkage track;

two the prismatic fixed connection of linkage is respectively on being located two of same U type seat the bottom surface of sliding block, the equal fixedly connected with extrusion round pin in the one side that is close to each other of two prismatic links, extrusion round pin with lift track sliding connection.

Preferably, the front of the C-shaped frame is fixedly connected with a camera, and the front of the workbench is fixedly provided with a display screen.

Compared with the prior art, the invention has the following beneficial effects:

1. the height adjusting mechanism drives the square frame, the detecting mechanism and the butt joint frame to move downwards, the linkage clamping mechanism clamps and positions the surface of the insulating sleeve, meanwhile, the linkage cleaning mechanism reaches a cleaning station and is in contact with the needle head, the needle head is in a state to be cleaned, after the clamping mechanism clamps the detection probe, when the detecting mechanism continues to move downwards, the cleaning mechanism is triggered to clean the needle head, the cleaning mechanism cleans and cleans the needle head along the extending direction of the needle head, when the detecting mechanism continues to be close to the needle head, the cleaning mechanism finishes cleaning and leaves the needle head, then the detecting mechanism continues to descend until the detecting mechanism contacts with the cleaned needle head, and detection on the universal watch is realized;

in the in-process of whole work, on the one hand, fixture has carried out the location to test probe before detecting the universal meter and has pressed from both sides tightly, has avoided producing contact failure phenomenon because of test probe is unstable when detecting, influences the result that detects, and on the other hand, clearance mechanism has cleaned the clearance to the syringe needle before detecting the universal meter, has avoided the syringe needle surface to have the dirt to influence the electric conductivity of syringe needle to influence the result that detects.

2. The clamping mechanism is matched with the butt joint plate, so that the rubber clamping jaw has a process of gradually clamping the surface of the insulating sleeve, the clamping stability is improved, and preparation is made for subsequent cleaning and detection;

3. in the process that the cleaning mechanism cleans the needle, on one hand, the sliding prism synchronously moves in the moving process of the clamping block through the connection of the sliding prism and is firstly contacted with the surface of the needle to realize clamping and positioning so as to facilitate subsequent stable wiping treatment, on the other hand, the arrangement of the limiting track enables the sliding pin to slide in the limiting track, so that the needle is firstly contacted by the rotating wiping mechanism under test, and then the rotating wiping mechanism rotationally wipes the surface of the needle in the moving and wiping process of the surface of the needle along the extension direction of the needle, so that the multi-direction wiping of the needle is realized, and the surface of the needle is favorably and thoroughly wiped and cleaned;

4. the arc-shaped plate and the wiping cotton are repeatedly wiped on the surface of the needle head by rotating the wiping mechanism, so that the cleaning capability is improved, and the surface of the needle head is favorably and thoroughly cleaned;

5. supporting mechanism and sliding block cooperation, at the in-process that the sliding block removed along the prismatic slip, extrusion round pin extrusion lift track, support claw just cancels the support of support claw to the syringe needle before clearing up the syringe needle, continues to carry out the rigidity to the syringe needle after clearing up the syringe needle and supports, avoids detection mechanism and the surface contact extrusion of syringe needle to detect the time measuring and cause extrusion deformation to the syringe needle.

Drawings

FIG. 1 is a schematic diagram of the general structure of the present invention;

FIG. 2 is an enlarged view of a portion A of FIG. 1 in accordance with the present invention;

FIG. 3 is a schematic view of a first structure of the connection of the clamping mechanism, the cleaning mechanism and the U-shaped seat (the U-shaped seat and the sliding block are sectioned) in the present invention;

FIG. 4 is an enlarged view of a portion B of the drawing of the present invention;

FIG. 5 is an enlarged view of a portion C of FIG. 4 in accordance with the present invention;

FIG. 6 is a second schematic diagram (cross-section of the U-shaped seat) illustrating the connection of the clamping mechanism, the cleaning mechanism and the U-shaped seat in the present invention;

FIG. 7 is a schematic structural diagram (with a cross section taken) illustrating the connection between the pre-clamping mechanism and the placing base;

FIG. 8 is a schematic structural view of the elastic clamping mechanism of the present invention;

FIG. 9 is a schematic structural diagram of the connection relationship between the docking cradle and the U-shaped seat (with the U-shaped seat and the connection frame sectioned) in the present invention;

FIG. 10 is an enlarged view of a portion D of FIG. 9 in accordance with the present invention;

FIG. 11 is a schematic view of the connection between the detection mechanism, the square frame and the docking cradle according to the present invention;

FIG. 12 is a schematic view of the construction of the lifter plate, squeeze pin and linkage prism connection of the present invention;

FIG. 13 is a schematic view of two arcuate plates of the present invention;

fig. 14 is a schematic structural view of a front view of the connection condition of the U-shaped seat, the placing seat, the limiting plate and the elastic limiting sheet in the invention.

In the figure: 1. a work table; 2. a universal watch; 3. a connecting wire; 4. a placement groove; 5. a placing seat; 6. detecting the probe; 601. an insulating sleeve; 602. a needle head; 603. an insulating ring; 7. a C-shaped frame; 8. a square frame; 9. a docking rack; 10. a U-shaped seat; 11. a cylinder; 12. a first abdicating groove; 13. a clamping block; 14. a first spring; 15. detecting a probe; 16. a rubber spring; 17. a moving groove; 18. a butt joint groove; 19. a clamping block; 1901. extruding the inclined plane; 20. a gas spring; 21. a rubber jaw; 22. a second abdicating groove; 23. a slider; 24. a second spring; 25. a butt plate; 26. a connecting frame; 27. a sliding prism; 28. a slider; 29. a limiting track; 2901. a first limit rail; 2902. a second limit rail; 2903. a third limit rail; 30. a slide pin; 31. an arc-shaped sleeve; 32. an arc-shaped rod; 33. a push plate; 34. an arc-shaped spring; 35. an arc-shaped plate; 36. a plugboard; 37. inserting grooves; 38. wiping cotton; 39. a yielding through groove; 40. a camera; 41. a display screen; 42. jacking the movable plate; 43. pushing the rod; 44. connecting the through grooves; 45. jacking the track; 46. a limiting seat; 47. an elastic limiting sheet; 48. a limiting plate; 49. a lifting groove; 50. a lifting plate; 51. a support claw; 52. a lifting track; 5201. a first linkage rail; 5202. a second linkage rail; 5203. a third linkage rail; 5204. a fourth linkage rail; 5205. a fifth linkage rail; 53. a linkage prism; 54. a squeeze pin; 55. a conductive prism; 56. a conductive sensing head.

Detailed Description

The following description is presented to disclose the invention so as to enable any person skilled in the art to practice the invention. The preferred embodiments described below are by way of example only, and other obvious variations will occur to those skilled in the art.

As shown in fig. 1 to 14, the electric automation testing device comprises a workbench 1, a universal meter 2 and two connecting wires 3, wherein a placing groove 4 is formed on the top surface of the workbench 1, the universal meter 2 to be detected is placed in the placing groove 4, two placing seats 5 are respectively and fixedly connected to the positions, corresponding to the two sides of the placing groove 4, on the top surface of the workbench 1, one ends of the two connecting wires 3 are inserted into the top surface of the universal meter 2, the other ends of the two connecting wires 3 are respectively and fixedly connected with a detection probe 6, the detection probe 6 comprises an insulating sleeve 601, a needle 602 and an insulating ring 603, the end of the needle 602 is electrically connected with the connecting wires 3, the insulating sleeve 601 is fixedly connected to the surface of the needle 602, and the insulating ring 603 is fixedly connected to the surface of the insulating sleeve 601, the detection probes 6 are placed in the corresponding two placing seats 5, a pre-clamping mechanism is connected in the placing seats 5 and used for pre-clamping the insulation sleeve 601 after the detection probes 6 are pressed on the placing seats 5, a C-shaped frame 7 is fixedly connected to the top surface of the workbench 1, a square frame 8 is sleeved on the surface of the C-shaped frame 7 in a sliding mode, a height adjusting mechanism is connected to the top surface of the C-shaped frame 7, a detection mechanism is connected to the bottom surface of the square frame 8, U-shaped seats 10 are fixedly connected to the two sides of the top surface of the workbench 1, a clamping mechanism and a cleaning mechanism are connected in the U-shaped seats 10, the clamping mechanism is used for clamping the insulation sleeve 601, and the cleaning mechanism is used for cleaning needle heads 602 of the clamped detection probes 6; when the universal meter 2 is used for detecting an electrical element, in the prior art, when the universal meter 2 is used for assisting detection, whether the universal meter 2 is abnormal or not is judged by observing the reading of the universal meter 2, whether the electrical element is good or bad is judged, if the universal meter 2 is damaged, the detected result does not have reference, so that the universal meter 2 needs to be detected before the universal meter 2 is shipped, but before a probe head on a Wang-best watch is detected, hands and a production environment inevitably touch the probes of the universal meter 2, so that dirt such as sweat, dust and the like exist on the surfaces of the probes of the universal meter 2, and the detection result of the universal meter 2 on the electrical element is influenced, the technical problem can be solved by the implementation mode of the invention, the specific implementation mode is that an operator places the universal meter 2 to be detected in the placing groove 4, inserts one ends of the two connecting wires 3 into the universal meter 2, places the detection probes 6 on the placing seat 5 and then presses, and the pre-clamping mechanism can pre-clamps the insulating sleeve, so that the subsequent clamping position is accurate, and the detection probes are prevented from shifting to one side to be convenient for cleaning and positioning;

starting a height adjusting mechanism, driving the square frame 8, the detecting mechanism and the butt joint frame 9 to move downwards, clamping and positioning the surface of the insulating sleeve 601 by a linkage clamping mechanism, simultaneously enabling the linkage cleaning mechanism to reach a cleaning station and contact with the needle 602 to enable the needle 602 to be in a state to be cleaned, triggering the cleaning mechanism to clean when the detecting mechanism continues to move downwards after the detecting probe 6 is clamped by the linkage clamping mechanism, wiping and cleaning the needle 602 along the extending direction of the needle 602 by the cleaning mechanism, completing cleaning by the cleaning mechanism and leaving the needle 602 when the detecting mechanism continues to be close to the needle 602, and then continuing to descend until the detecting mechanism contacts with the cleaned needle 602 to realize detection of the universal meter 2;

in the whole working process, on one hand, the clamping mechanism carries out positioning and clamping on the detection probe 6 before detecting the universal meter 2, the phenomenon that the detection probe 6 is unstable to generate poor contact when detecting is avoided, and the detection result is influenced, on the other hand, the cleaning mechanism cleans and cleans the needle head 602 before detecting the universal meter 2, and the phenomenon that the surface of the needle head 602 is polluted to influence the conductivity of the needle head 602, so that the detection result is influenced.

As an embodiment of the invention, the height adjusting mechanism comprises an air cylinder 11, the air cylinder 11 is fixedly connected to the top surface of the C-shaped frame 7, and a piston rod of the air cylinder 11 penetrates through the C-shaped frame 7 and is fixedly connected with the top surface of the square frame 8; when the device works, the air cylinder 11 is started, a piston rod of the air cylinder 11 pushes the square frame 8 to move downwards, and the detection mechanism and the butt joint frame 9 are driven to move downwards.

As an embodiment of the invention, the pre-clamping mechanism comprises two first abdicating grooves 12, the two first abdicating grooves 12 are both arranged on the inner wall of the placing seat 5, the inner wall of the first abdicating groove 12 is connected with a clamping block 13 in a sliding manner, the clamping block 13 is fixedly connected with the first abdicating groove 12 through a first spring 14, and the top surface and the bottom surface of the clamping block 13 are both inclined surfaces; during operation, the operator places back on placing seat 5 with detecting probe 6, presses detecting probe 6, and insulating cover 601 extrudees and presss from both sides tight piece 13 with pressing from both sides the inclined plane contact back of tight piece 13 to extrude first spring 14, treat that insulating cover 601 is pressed into and presss from both sides tight piece 13 below after, first spring 14 resets, presss from both sides tight piece 13 and carries out the first tight location of clamp to detecting probe 6, for subsequent fixture's centre gripping preparation, maintains in advance the position of detecting probe 6.

As an embodiment of the present invention, the detection mechanism includes two detection probes 15, the detection probes 15 include a conductive prism 55 and a conductive detection head 56 for externally connecting a wire, the top ends of the two conductive prisms 55 respectively slide through two corners of the bottom of the square frame 8 and extend to the upper side of the square frame 8, and a rubber spring 16 is fixedly connected between the conductive detection head 56 and the bottom surface of the square frame 8; when the universal meter works, the two conductive prisms 55 can be electrically connected with the positive electrode and the negative electrode of an external battery through external leads, the battery provides voltage and current, and after the two detection probes 15 are respectively contacted with the two corresponding needle heads 602, a closed loop is formed, so that the reading on the universal meter 2 is changed, and whether the universal meter 2 is normal or not is judged;

after the test probe 15 moves down and contacts with the needle 602, the test probe 6 continues to move, and the test probe 15 extrudes the rubber spring 16, so that the test probe 15 is always contacted with the surface of the test probe 6 due to the elastic extrusion force, and a contact and adhesion process is realized, thereby avoiding the influence on the test result caused by insufficient contact between the test probe 6 and the test probe 15.

As an embodiment of the invention, the clamping mechanism comprises two moving grooves 17 and a butt joint groove 18, the two moving grooves 17 are symmetrically arranged on two inner side walls of the U-shaped seat 10, a clamping block 19 is slidably connected in the moving groove 17, the clamping block 19 is provided with an extrusion inclined plane 1901, the opposite surfaces of the two clamping blocks 19 are fixedly connected with air springs 20, the end surfaces of the two air springs 20 are fixedly connected with rubber clamping jaws 21, the side surface of the U-shaped seat 10 is provided with a second abdicating groove 22, a sliding block 23 is slidably connected in the second abdicating groove 22, the sliding block 23 is fixedly connected with the side surface of the clamping block 19, and a second spring 24 is fixedly connected between the sliding block 23 and the second abdicating groove 22;

the docking frame 9 comprises two docking plates 25 and a connecting frame 26, the connecting frame 26 is fixedly connected to the corner of the bottom of the square frame 8, the two docking plates 25 are fixedly connected to the front and the back of the connecting frame 26, and the top surface of the U-shaped seat 10 corresponding to the two connecting frames 26 is provided with docking grooves 18; when the device works, the pre-clamping mechanism only limits the detection probe 6 into the placing seat 5, the detection probe 6 is difficult to be completely positioned by elastic limiting, and when the needle 602 is in contact with the detection probe 15 due to no rigid positioning, the detection probe 6 deflects to influence the detection result, the embodiment of the invention can solve the problem, and the specific working mode is as follows, two butt-joint plates 25 move downwards to enter the butt-joint grooves 18, the bottom surfaces of the butt-joint plates 25 extrude the extrusion inclined planes 1901 of the clamping blocks 19, so that the two clamping blocks 19 approach towards the middle to drive the rubber clamping jaws 21 to approach the insulating sleeve 601, and after the rubber clamping jaws 21 contact the surface of the insulating sleeve 601, the air springs 20 are continuously moved to extrude the air springs 20, so that the rubber clamping jaws 21 have a gradual clamping process on the surface of the insulating sleeve 601, thereby improving the clamping stability and preparing for subsequent cleaning and detection;

when the butt plate 25 presses the clamping block 19 to move, the second spring 24 is stretched, and when the butt plate 25 moves out of the butt groove 18, the second spring 24 resets to drive the clamping block 19 to reset.

As an embodiment of the present invention, the cleaning mechanism includes two sliding prisms 27 and two limiting rails 29, one end of each of the two sliding prisms 27 is fixedly connected to the side surface of each of the two clamping blocks 19, the other end of each of the two sliding prisms 27 is slidably connected to the inner wall of the moving groove 17, the surfaces of the two sliding prisms 27 are both slidably connected to sliding blocks 28, and a rotating wiping mechanism is connected between the mutually adjacent sides of the two sliding blocks 28 and is used for performing twisting wiping on the needle 602;

the two limit tracks 29 are respectively arranged on the front surfaces of the two corresponding butt-joint plates 25 above the U-shaped seat 10, each limit track 29 comprises a first limit rail 2901, a second limit rail 2902 and a third limit rail 2903, and one sides of the two slide blocks 28, which are far away from each other, are fixedly connected with slide pins 30; when the device works, the butt joint plate 25 moves downwards, the sliding pin 30 enters the first limiting rail 2901, and in the process that the sliding pin 30 slides in the first limiting rail 2901, the butt joint plate 25 presses the inclined surface of the clamping block 19, and the clamping block 19 moves towards the middle, so that the detection probe 6 is clamped, and meanwhile, the sliding prism 27 is driven to approach towards the middle, and the rotating wiping mechanism is made to approach and contact the surface of the needle head 602;

the butt joint plate 25 continues to move downwards, the sliding pin 30 enters the second limit rail 2902 from the first limit rail 2901, and in the process that the butt joint plate 25 continues to move downwards, the rail surface of the second limit rail 2902 extrudes the sliding pin 30 to move along the direction of the sliding prism 27, so that the sliding block 28 is driven to move on the surface of the sliding prism 27, and then the rotating wiping mechanism is driven to slide on the surface of the needle 602, so that the needle 602 is wiped in a sliding manner, and the influence of residual stains on the surface of the needle 602 on the detection effect is avoided;

the docking plate 25 continues to move downwards, the sliding pin 30 enters the third limit rail 2903 from the second limit rail 2902, at this time, the wiping is completed, and the detection mechanism gradually contacts with the needle 602 in the downward movement process of the docking plate 25, so that the detection is realized;

in the whole cleaning process, on one hand, the clamping block 19 is in the moving process through the connection of the sliding prism 27, the sliding prism 27 moves synchronously, and is in surface contact with the needle 602 firstly, so that the clamping positioning is realized, and the subsequent stable wiping treatment is facilitated, on the other hand, through the arrangement of the limiting track 29, the sliding pin 30 slides in the limiting track 29, the contact of the rotating wiping mechanism on the needle 602 under the first test is realized, then the rotating wiping mechanism is in the moving wiping process of the surface of the needle 602 along the extension direction of the needle 602, the surface of the needle 602 is rotationally wiped, the multidirectional wiping of the needle 602 is realized, and the thorough cleaning of the surface of the needle 602 is facilitated.

As an embodiment of the present invention, the rotating wiping mechanism includes two pairs of arc sleeves 31, a connecting through groove 44 and a pushing rail 45, the two pairs of arc sleeves 31 are respectively and fixedly connected to one side of the two sliding blocks 28 which are close to each other, the arc rods 32 are slidably sleeved in the arc sleeves 31, the top ends and the bottom ends of the two arc rods 32 on the same pair of arc sleeves 31 are respectively and fixedly connected to pushing plates 33, the arc springs 34 are respectively sleeved above and below the surfaces of the arc rods 32, two ends of each arc spring 34 are respectively and fixedly connected to the end portions of the arc sleeve 31 and the adjacent pushing plates 33, the arc plates 35 are respectively and fixedly connected between the two pushing plates 33, one end of each arc plate 35 is fixedly connected to a plug plate 36, the other end of each arc plate is provided with a plug groove 37 which is matched with the plug plate 36, and wiping cotton 38 is fixedly connected to the inner arc surfaces of the arc plates 35;

a connecting through groove is formed in the end part of one sliding block 28 in the U-shaped seat 10, a jacking plate 42 is connected in the connecting through groove 44 in a sliding manner, one end of the jacking plate 42 is in contact with the adjacent pushing plate 33, the other end of the jacking plate 42 is fixedly connected with a jacking rod 43, a jacking track 45 is formed in the top surface of the sliding prism 27 adjacent to the jacking plate 42, the jacking track 45 is wavy, and the end part of the jacking rod 43 is in contact with the jacking track 45; during operation, the surface of the needle 602 is only wiped axially, so that the wiping direction is single, and the wiping capability is limited, and the embodiment of the invention can solve the problem, and particularly, in the process that the two sliding blocks 28 approach each other, the insertion plate 36 on the end face of one of the arc-shaped plates 35 is inserted into the insertion groove 37 of the arc-shaped plate 35 on the other side, so that the two wiping cottons 38 are completely attached to the surface of the thimble;

in the process that the sliding block 28 moves along the sliding prism 27, the pushing rod 43 is always in contact with the pushing rail 45, when the pushing rod 43 is located at the valley bottom of the pushing rail 45, as shown in fig. 4, the pushing plate 33 is not pushed, the arc-shaped plate 35 is in an initial state, when the pushing rod 43 moves from the valley bottom of the pushing rail 45 to the valley peak of the pushing rail 45, the pushing rail 45 pushes the pushing rod 43, the pushing rod 43 drives the pushing plate 42 to move, thereby indirectly pushing the pushing plate 33 to turn over, so that the arc-shaped spring 34 elastically deforms, the arc-shaped plate 35 and the wiping cotton 38 are driven to turn over for a certain angle along the surface of the needle 602, and in the process that the pushing rod 43 moves from the valley bottom of the pushing rail 45 to the valley bottom of the pushing rail 45 again, the arc-shaped plate 35 and the wiping cotton 38 are integrally reset under the elastic reset of the arc-shaped spring 34, so as to-and-fro rotation wiping of the surface of the needle 602 is realized, the capability of cleaning the surface of the needle 602 is improved, and thorough cleaning of the surface of the needle 602 is facilitated.

As an embodiment of the present invention, an elastic limiting mechanism is respectively connected between each of the two placing seats 5 and the adjacent U-shaped seat 10, the elastic limiting mechanism is used for elastically limiting the insulating ring 603 when the detection probe 6 is placed, the elastic limiting mechanism includes a limiting seat 46, the limiting seat 46 is located between the placing seat 5 and the U-shaped seat 10, the limiting seat 46 is fixedly connected to the side surface of the U-shaped seat 10, the top surface of the limiting seat 46 is fixedly connected with two elastic limiting pieces 47 at two sides of the test probe, the top surface of the limiting seat 46 is fixedly connected with a limiting plate 48, and the side surface of the limiting plate 48 is an inclined plane; when the detection probe 6 is pressed into the placing seat 5 by an operator, the detection probe 6 is long, and the needle 602 is difficult to be completely placed inside the U-shaped seat 10, which is inconvenient for later cleaning, and the embodiment of the invention can solve the above problems.

As an embodiment of the present invention, a supporting mechanism is connected to an inner bottom surface of the U-shaped seat 10, the supporting mechanism is used for supporting the needle 602, the supporting mechanism includes two lifting grooves 49 and two linkage prisms 53, the two lifting grooves 49 are symmetrically arranged on the inner bottom surface of the U-shaped seat 10, the lifting plates 50 are slidably connected to the insides of the two lifting grooves 49, a supporting claw 51 is fixedly connected between the two lifting plates 50, an abdicating through groove 39 is formed between the two lifting grooves 49, the supporting claw 51 is slidably connected to the inside of the abdicating through groove 39, the top end of the supporting claw 51 is in contact with the surface of the needle 602, lifting rails 52 are formed on the fronts of the two lifting plates 50, and the lifting rails 52 include a first linkage rail 5201, a second linkage rail 5202, a third linkage rail 5203, a fourth linkage rail 5204 and a fifth linkage rail 5205;

the two linkage prisms 53 are respectively and fixedly connected to the bottom surfaces of the two sliding blocks 28 positioned in the same U-shaped seat 10, the mutually close sides of the two linkage prisms 53 are respectively and fixedly connected with the extrusion pins 54, and the extrusion pins 54 are in sliding connection with the lifting track 52; during operation, when the detection mechanism detects the needle 602 from top to bottom, the needle 602 is in a suspended state, and the needle 602 is extruded and deformed, and the embodiment of the invention can solve the problem, and specifically, the operation mode is as follows, when the sliding block 28 moves along the sliding prism 27, the linkage prism 53 and the extrusion pin 54 are driven to move, so that the extrusion pin 54 moves along the track of the lifting track 52;

when the pressing pin 54 moves along the first linkage track 5201 of the lifting track 52 to the second linkage track 5202, and during the movement on the second track, the pressing pin 54 presses the lifting track 52 to descend along the lifting slot 49, driving the supporting claw 51 to descend, and canceling the supporting of the supporting claw 51 to the needle 602, when the pressing pin 54 moves along the third linkage track 5203 of the lifting track 52, the supporting claw 51 is always located below the needle 602, giving room to the arc-shaped plate 35 moving past, and avoiding collision obstruction, when the pressing pin 54 moves along the fourth linkage track 5204 of the lifting track 52, the pressing pin 54 pushes the lifting track 52 to ascend along the lifting slot 49, driving the supporting claw 51 to ascend and contact with the needle 602, so as to achieve the purpose of supporting, when the movement continues, the pressing pin 54 moves to the fifth linkage track 5205, the height of the lifting track 52 is maintained, and further the supporting of the supporting claw 51 to the needle 602 is maintained, and at this time, the wiping 38 on the arc-shaped plate 35 is disengaged, and during the supporting process, the sliding of the supporting pin moves along the supporting track 5205, and the supporting claw 602 is prevented from contacting the pressing pin 602 after the detection mechanism moves along the lifting track, and the lifting pin 602, the lifting pin detects the movement of the needle 602, and the lifting pin 602, and the displacement of the lifting pin 602.

As an embodiment of the invention, the front of the C-shaped frame 7 is fixedly connected with a camera 40, and the front of the worktable 1 is fixedly provided with a display screen 41; when the universal meter works, in the detection process, the current or the voltage displayed by the universal meter 2 in the whole detection process can be recorded through the video of the camera 40, the current or the voltage of the universal meter 2 is observed through the real-time display of the display screen 41, if the countless value changes and is displayed, the universal meter 2 is damaged, and if the countless value changes and is displayed, the universal meter 2 is good.

The working principle of the invention is as follows:

in the prior art, when an electrical component is detected and voltage or current is detected, the universal meter 2 is required to be used for auxiliary detection, whether the universal meter 2 is abnormal or not is judged by observing the reading of the universal meter 2, whether the electrical component is good or bad is judged, if the universal meter 2 is damaged, a detected result does not have referential property, therefore, before the universal meter 2 is used for leaving a factory, the universal meter 2 is required to be detected, but before a detecting head on a Wang can be detected, a human hand and a production environment can inevitably touch a probe of the universal meter 2, so that dirt such as sweat, dust and the like exists on the surface of the probe of the universal meter 2, and the detection result of the universal meter 2 on the electrical component is influenced, the technical problem can be solved by the implementation mode of the invention, the operator places the universal meter 2 to be detected in the placing groove 4, inserts one end of two connecting wires 3 into the universal meter 2, places the detection probe 6 on the placing seat 5 and then presses, and the pre-clamping mechanism can pre-clamp the insulating sleeve 601, so that the clamping position of the universal meter is accurate and the detection probe is prevented from shifting to one side to be cleaned and positioned;

starting a height adjusting mechanism, driving the square frame 8, the detecting mechanism and the butt joint frame 9 to move downwards, clamping and positioning the surface of the insulating sleeve 601 by a linkage clamping mechanism, simultaneously enabling a linkage cleaning mechanism to reach a cleaning station and contact with the needle 602 to enable the needle 602 to be in a state to be cleaned, triggering the cleaning mechanism to clean when the detecting mechanism continues to move downwards after the detecting probe 6 is clamped by the linkage clamping mechanism, wiping and cleaning the needle 602 along the extending direction of the needle 602 by the cleaning mechanism, completing cleaning by the cleaning mechanism and leaving the needle 602 when the detecting mechanism continues to approach the needle 602, and then continuing to descend until the detecting mechanism contacts with the cleaned needle 602 to realize detection on the universal meter 2;

in the whole working process, on one hand, the detection probe 6 is positioned and clamped before the detection universal meter 2, the phenomenon that contact failure is generated due to instability of the detection probe 6 during detection is avoided, the detection result is influenced, on the other hand, the needle head 602 is cleaned before the detection universal meter 2, and the situation that dirt exists on the surface of the needle head 602 and influences the conductivity of the needle head 602 is avoided, so that the detection result is influenced.

The foregoing shows and describes the general principles, principal features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are merely illustrative of the principles of the invention, but that various changes and modifications may be made without departing from the spirit and scope of the invention, which is defined by the appended claims and their equivalents.

Claims

1. An electric automatic testing device comprises a workbench (1), a universal meter (2) and two connecting wires (3), and is characterized in that a placing groove (4) is formed in the top surface of the workbench (1), the universal meter (2) to be tested is placed in the placing groove (4), two placing seats (5) are fixedly connected to the positions, corresponding to the two sides of the placing groove (4), of the top surface of the workbench (1), one end of each connecting wire (3) is inserted into the top surface of the universal meter (2), the other end of each connecting wire (3) is fixedly connected with a detection probe (6), each detection probe (6) comprises an insulating sleeve (601), a needle head (602) and an insulating ring (603), the end part of the needle head (602) is electrically connected with the connecting wire (3), the surface of the needle head (602) is fixedly connected with the insulating sleeve (601), the surface of the insulating sleeve (601) is fixedly connected with the insulating ring (603), the detection probes (6) are placed in the two corresponding placing seats (5), a pre-clamping mechanism is connected in the placing seats (5), and a pre-clamping mechanism is used for pre-clamping the top surface of the clamping mechanism (1) and the detection probe (7) is connected with the pre-clamping mechanism, c cabinet frame (7) surface slip has cup jointed a mouthful word frame (8), the top surface of C cabinet frame (7) is connected with high adjustment mechanism, the bottom surface of a mouthful word frame (8) is connected with detection mechanism, the equal fixedly connected with U type seat (10) in both sides of workstation (1) top surface, U type seat (10) in-connection has fixture and clearance mechanism, fixture is used for right insulating cover (601) carry out the centre gripping, clearance mechanism is used for after the centre gripping detection probe (6) syringe needle (602) are cleared up.

2. The electric automation test device according to claim 1, wherein the height adjusting mechanism comprises an air cylinder (11), the air cylinder (11) is fixedly connected to the top surface of the C-shaped frame (7), and a piston rod of the air cylinder (11) penetrates through the C-shaped frame (7) and then is fixedly connected with the top surface of the square frame (8).

3. The electric automatization testing device of claim 1, characterized in that, the clamping mechanism includes two first groove of stepping down (12), two first groove of stepping down (12) all set up place on place seat (5) inner wall, sliding connection has the tight piece of clamp (13) on the first groove of stepping down (12) inner wall, press from both sides tight piece (13) with through first spring (14) fixed connection between the groove of stepping down (12), press from both sides the top surface and the bottom surface of tight piece (13) and be the inclined plane.

4. The electrical automation test device according to claim 1, wherein the detection mechanism comprises two detection probes (15), the detection probes (15) comprise a conductive prism (55) and a conductive detection head (56) for externally connecting a lead, the top ends of the two conductive prisms (55) respectively penetrate through two corners of the bottom of the square frame (8) in a sliding manner and extend to the upper side of the square frame (8), and a rubber spring (16) is fixedly connected between the conductive detection head (56) and the bottom surface of the square frame (8) together.

5. The electric automation test device according to claim 1, wherein the clamping mechanism comprises two moving grooves (17) and a butt joint groove (18), the two moving grooves (17) are symmetrically arranged on two inner side walls of the U-shaped seat (10), a clamping block (19) is connected in the moving groove (17) in a sliding manner, the clamping block (19) is provided with an extrusion inclined surface (1901), opposite surfaces of the two clamping blocks (19) are fixedly connected with an air spring (20), end surfaces of the two air springs (20) are fixedly connected with a rubber clamping jaw (21), a second abdicating groove (22) is formed in a side surface of the U-shaped seat (10), a sliding block (23) is connected in the second abdicating groove (22) in a sliding manner, the sliding block (23) is fixedly connected with the side surface of the clamping block (19), and a second spring (24) is fixedly connected between the sliding block (23) and the second abdicating groove (22) together;

butt joint frame (9) include two butt joint boards (25) and a connection frame (26), connection frame (26) fixed connection in the corner of square frame (8) bottom, two butt joint board (25) fixed connection in the front and the back of connection frame (26), U type seat (10) top surface corresponds two the position of connection frame (26) has all been seted up butt joint groove (18).

6. The electric automation test device according to claim 5, wherein the cleaning mechanism comprises two sliding prisms (27) and two limiting rails (29), one end of each of the two sliding prisms (27) is fixedly connected to the side surface of each of the two clamping blocks (19), the other end of each of the two sliding prisms (27) is slidably connected to the inner wall of the moving groove (17), a sliding block (28) is slidably connected to the surface of each of the two sliding prisms (27), and a rotating wiping mechanism is connected between the sides of the two sliding blocks (28) close to each other and is used for twisting and wiping the needle (602);

two spacing track (29) are seted up respectively two of the correspondence above U type seat (10) the front of butt joint board (25), spacing track (29) include first spacing rail (2901), second spacing rail (2902) and third spacing rail (2903), two equal fixedly connected with slide pin (30) in one side that sliding block (28) kept away from each other.

7. The electrical automation testing device of claim 6, wherein the rotating wiping mechanism comprises two pairs of arc sleeves (31), a connecting through groove (44) and a jacking track (45), the two pairs of arc sleeves (31) are respectively and fixedly connected to one side of the two sliding blocks (28) close to each other, arc rods (32) are sleeved in the arc sleeves (31) in a sliding manner, the top ends and the bottom ends of the two arc rods (32) on the same pair of arc sleeves (31) are respectively and fixedly connected with pushing plates (33), arc springs (34) are sleeved above and below the surfaces of the arc rods (32), two ends of each arc spring (34) are respectively and fixedly connected with the end part of each arc sleeve (31) and the adjacent pushing plate (33), an arc plate (35) is fixedly connected between the two pushing plates (33) together, one end of each arc plate (35) is fixedly connected with a plug plate (36), the other end of each arc plate is provided with a plug groove (37) matched with the plug plate (36), and wiping cotton (38) is fixedly connected to the inner side of each arc plate (35);

be located one of them in U type seat (10) sliding block (28) tip has seted up and has connected logical groove, sliding connection has ejector plate (42) in connecting logical groove (44), the one end of ejector plate (42) and adjacent pushing plate (33) contact each other, the other end fixedly connected with ejector rod (43) of ejector plate (42), ejector track (45) set up with the adjacent top surface of sliding prism (27) of ejector plate (42), ejector track (45) are the wave, the tip of ejector rod (43) with ejector track (45) contact.

8. The electrical automation test device according to claim 2, wherein an elastic limiting mechanism is connected between each of the two placing seats (5) and the adjacent U-shaped seat (10), the elastic limiting mechanism is used for elastically limiting an insulating ring (603) when the detection probe (6) is placed, the elastic limiting mechanism comprises a limiting seat (46), the limiting seat (46) is located between the placing seat (5) and the U-shaped seat (10), the limiting seat (46) is fixedly connected to the side surface of the U-shaped seat (10), the top surface of the limiting seat (46) is fixedly connected to two elastic limiting pieces (47) on two sides of the test probe, the top surface of the limiting seat (46) is fixedly connected to a limiting plate (48), and the side surface of the limiting plate (48) is an inclined plane.

9. The electric automation testing device of claim 6, wherein a supporting mechanism is connected to an inner bottom surface of the U-shaped seat (10), the supporting mechanism is used for supporting the needle (602), the supporting mechanism comprises two lifting grooves (49) and two linkage prisms (53), the two lifting grooves (49) are symmetrically arranged on the inner bottom surface of the U-shaped seat (10), a lifting plate (50) is slidably connected to the inner parts of the two lifting grooves (49), a supporting claw (51) is fixedly connected between the two lifting plates (50), an abdicating through groove (39) is jointly arranged between the two lifting grooves (49), the supporting claw (51) is slidably connected to the inside of the abdicating through groove (39), the top end of the supporting claw (51) is in contact with the surface of the needle (602), a lifting rail (52) is arranged on the front surfaces of the two lifting plates (50), and the lifting rail (52) comprises a first linkage rail (5201), a second linkage rail (5202), a third linkage rail (5203), a fourth linkage rail (5204) and a fifth linkage rail (5205);

the two linkage prisms (53) are respectively and fixedly connected to the bottom surfaces of the two sliding blocks (28) in the same U-shaped seat (10), the sides, close to each other, of the two linkage prisms (53) are fixedly connected with extrusion pins (54), and the extrusion pins (54) are in sliding connection with the lifting track (52).

10. The electrical automation test device of claim 1, wherein a camera (40) is fixedly connected to the front surface of the C-shaped frame (7), and a display screen (41) is fixedly mounted on the front surface of the workbench (1).