CN111965525A - New energy automobile control circuit board performance test method - Google Patents
New energy automobile control circuit board performance test method Download PDFInfo
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- CN111965525A CN111965525A CN202010849396.2A CN202010849396A CN111965525A CN 111965525 A CN111965525 A CN 111965525A CN 202010849396 A CN202010849396 A CN 202010849396A CN 111965525 A CN111965525 A CN 111965525A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/28—Testing of electronic circuits, e.g. by signal tracer
- G01R31/2801—Testing of printed circuits, backplanes, motherboards, hybrid circuits or carriers for multichip packages [MCP]
- G01R31/281—Specific types of tests or tests for a specific type of fault, e.g. thermal mapping, shorts testing
- G01R31/2817—Environmental-, stress-, or burn-in tests
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/28—Testing of electronic circuits, e.g. by signal tracer
- G01R31/2801—Testing of printed circuits, backplanes, motherboards, hybrid circuits or carriers for multichip packages [MCP]
- G01R31/2806—Apparatus therefor, e.g. test stations, drivers, analysers, conveyors
- G01R31/2808—Holding, conveying or contacting devices, e.g. test adapters, edge connectors, extender boards
Abstract
The invention relates to a new energy automobile control circuit board performance testing method which mainly comprises the following steps of plate clamping, height adjustment, dust raising, dust pile leveling, collection treatment and other processes. The method can solve the problems that the dust accumulation height of the surface of the circuit board cannot be controlled, the dust accumulation is uneven, the experimental test result is influenced, and only the circuit board with fixed length and width can be clamped when the circuit board is clamped in the traditional method for testing the dust prevention performance of the control circuit board of the new energy automobile.
Description
Technical Field
The invention relates to the technical field of performance test of an automobile control circuit board, in particular to a performance test method of a new energy automobile control circuit board.
Background
With the development of the Chinese industry, the new energy automobile market will be the trend of future development. The controller of the new energy automobile serves as a central nerve and plays an important command role, the normal operation of the controller needs to be supported by various circuit boards, and the circuit boards are divided into: the circuit board is widely applied to the field of new energy automobiles, and the circuit board enables the circuit to be miniaturized and visualized, plays an important role in batch production of fixed circuits and optimization of electrical appliance layout, and the performance test of the circuit board is also paid more attention.
At present, when a control circuit board of a new energy automobile is subjected to an anti-dust performance test, the following defects generally exist: 1. the traditional method for testing the dust prevention performance of the control circuit board of the new energy automobile generally cannot accurately control the dust accumulation height on the surface of the circuit board, so that the test experiment effect for simulating the dust accumulation condition is poor, and due to the fact that a large amount of dust is accumulated in a short time, the dust accumulation condition on the surface of the circuit board under the natural condition cannot be simulated, and the experiment test result is influenced; 2. traditional new energy automobile control circuit board prevents grey capability test method, when carrying out the centre gripping to the circuit board, often can only carry out the centre gripping to the circuit board of fixed length and width, need change clamping equipment to the circuit board of different length and width, extravagant manpower and materials.
Disclosure of Invention
Technical problem to be solved
The method can solve the problems that the dust accumulation height on the surface of the circuit board can not be accurately controlled usually in the traditional method for testing the dust prevention performance of the control circuit board of the new energy automobile, the test experiment effect for simulating the dust accumulation condition is poor, the dust accumulation is uneven due to the fact that a large amount of dust is accumulated in a short time, the dust accumulation condition on the surface of the circuit board under the natural condition cannot be simulated, the experiment test result is influenced, when the circuit board is clamped, the circuit board with the fixed length and the fixed width can only be clamped, clamping equipment needs to be replaced for the circuit boards with different lengths and widths, manpower and material resources are wasted, and the like.
(II) technical scheme
In order to achieve the purpose, the invention adopts the following technical scheme that the new energy automobile control circuit board performance testing method mainly comprises the following testing steps:
s1, clamping the plate: the moving plate is outwards rotated, the circuit board is placed in the clamping mechanism and is clamped by the clamping mechanism;
s2, height adjustment: the height of dust scattered on the circuit board is controlled by a height adjusting mechanism;
s3, raising dust: blowing dust into the working frame body through a dust raising machine, and then sprinkling the dust on the circuit board;
s4, leveling dust pile: the reciprocating mechanism drives the height adjusting mechanism to do reciprocating motion on the plane of the height adjusting mechanism, so that the dust pile surface is leveled;
s5, collection processing: collecting dust which does not fall on the surface of the circuit board through a collecting cabinet;
the performance detection equipment that uses in the above-mentioned step includes unable adjustment base, work frame, dusting machine, clamping device and collection cabinet, unable adjustment base's upper end install the work frame, the upper end of work frame is fixed with the dusting machine, is equipped with clamping device in the work frame, the lower extreme of work frame is provided with collects the cabinet, collects the cabinet and slides and set up in unable adjustment base's upper end, the dusting machine is current equipment, the primary function is in spraying the dust to the work frame.
The working frame comprises a working frame body, a limiting sliding groove, a passing groove, a height adjusting mechanism, a rotating baffle plate and a movable plate, wherein the working frame body is arranged at the upper end of a fixed base, the limiting sliding groove is arranged at the upper side of the inner wall at the left end of the working frame body, the passing groove is arranged at the upper side of the right end of the working frame body, the limiting sliding groove is connected with the passing groove through the height adjusting mechanism, the rotating baffle plate is symmetrically arranged at the front end and the rear end of the right side of the working frame body, the rotating baffle plate is arranged on the working frame body through a first pin shaft, the left end of the movable plate is arranged at the front end of the working frame body through a second pin shaft, the movable plate rotates, will be through the height control of net to suitable position through height adjusting mechanism, fix a position the position of collecting the cabinet through rotating the baffle, will not fall the dust on circuit board surface through collecting the cabinet and collect.
The clamping device comprises a reciprocating mechanism, a first sliding plate, a second sliding plate, a mounting frame and a clamping mechanism, wherein the reciprocating mechanism is arranged on the left side of the upper end of the fixed base, a first sliding groove is formed in the middle of the left end of the working frame body, the first sliding plate is arranged in the first sliding groove in a sliding mode, a second sliding groove is formed in the middle of the right end of the working frame body, the second sliding plate is arranged in the second sliding groove in a sliding mode, the first sliding plate is connected with the second sliding plate through the mounting frame, the clamping mechanisms are uniformly and symmetrically arranged on the inner walls of the left end and the right end of the mounting frame, during specific work, the first sliding plate is driven to slide in the first sliding groove through the reciprocating mechanism, the mounting frame is pushed to reciprocate in the left-right direction, the second sliding plate is driven to reciprocate in the second sliding groove, and the clamping mechanism drives the circuit board, and carrying out leveling treatment on the uneven dust pile accumulated on the surface of the circuit board through the relative movement of the net and the net.
The height adjusting mechanism comprises a sliding round rod, a first connecting block, a return type frame, a passing net, a second connecting block, a sliding rod, an extension spring, a connecting rod, a clamping rod and a clamping groove, wherein the sliding round rod is arranged in the limiting sliding groove in a sliding manner, the first connecting block is arranged on the sliding round rod in a sliding manner, the first connecting block is connected with the return type frame through a first locking part, the passing net is arranged in the return type frame, the middle part of the right end of the return type frame is connected with the second connecting block through a second locking part, the right end of the second connecting block is provided with a working groove, the sliding rod is arranged in the working groove in a sliding manner, the sliding rod is connected with the working groove through the extension spring, the right end of the sliding rod is fixed with the connecting rod, the clamping rod is symmetrically arranged on the front side and the rear side of the left end of the connecting rod, the clamping grooves are symmetrically and uniformly arranged on, during specific work, the pulling connecting rod moves towards the right side, so that the clamping rod is driven to leave the clamping groove, the connecting rod moves towards the right side, the sliding rod is driven to move towards the right side, and meanwhile the stretching spring is stretched.
The position of the connecting rod in the vertical direction is adjusted again, and then the sliding rod is driven to change the vertical height, so that the second connecting block rises or falls, the second connecting block is driven to return to the shape frame and move to a proper height through the net, the second connecting block moves to a proper position, and the first connecting block is driven to slide to a proper position on the sliding round rod. After the height adjustment through the net is completed, the tension on the connecting rod is released, the sliding rod is driven to slide leftwards under the elastic action of the extension spring, and then the connecting rod is driven to drive the clamping rod to enter the clamping grooves with different heights again, so that the height through the net is positioned again.
As a preferred technical scheme of the invention, the reciprocating mechanism comprises a driving motor, a cam, a limit baffle and a limit spring, the driving motor is arranged on the left side of the upper end of the fixed base through a motor base, the output shaft of the driving motor is connected with the cam, the cam and the first sliding plate are correspondingly matched, the right end of the second sliding plate is provided with the limit baffle, and the limit baffle is connected with the outer wall of the right end of the working frame through the limit springs which are symmetrically arranged in the front-back direction.
As a preferred technical scheme of the invention, the clamping mechanism comprises a mounting rod, a limiting chute, a moving rod, a trapezoidal stop block, a rotating rod, a limiting groove, an L-shaped clamping block, a telescopic rod, a telescopic spring, a clamping plate and a rotating roller, wherein the inner end of the mounting rod is mounted on the inner wall of a mounting frame, the limiting chute is formed in the outer side of the mounting rod, the moving rod is arranged in the limiting chute in a sliding fit manner, the trapezoidal stop blocks are symmetrically mounted on the outer walls of the front end and the rear end of the mounting rod, the outer end of the moving rod is mounted on the rotating rod through a third pin shaft, the front end and the rear end of the inner side of the moving rod are symmetrically formed in the limiting groove, the L-shaped clamping block is arranged in the limiting groove in a sliding manner, the L-shaped clamping block is connected with the limiting groove through the telescopic rod, the moving rod is, the upper end and the lower end of the outer side of the clamping plate are symmetrically provided with rotating rollers through bearings.
As a preferable technical scheme of the invention, the left end of the first sliding plate is provided with a buffer groove.
As a preferred technical scheme of the invention, the passing net is arranged in the clip frame through a threaded rod.
As a preferable technical scheme of the invention, one end of the L-shaped clamping block, which is close to the limiting sliding groove, is a trapezoidal mechanism.
(III) advantageous effects
1. According to the performance test method of the control circuit board of the new energy automobile, the mechanical mechanism capable of adjusting the dust accumulation height is designed, the test experiment background for simulating the dust accumulation condition is optimized, dust is accumulated on the circuit board as flatly as possible, the experiment accuracy is improved, and the clamping mechanism for the circuit boards with different lengths and widths is designed, so that the situation that the circuit boards with different lengths and widths can be clamped again only by replacing clamping equipment is avoided;
2. according to the performance test method for the control circuit board of the new energy automobile, the dust accumulation height is accurately controlled through the height adjusting mechanism, the dust accumulation condition on the surface of the circuit board under a natural condition is simulated, and the adverse effect of a large amount of dust accumulated in a short time on an experimental result is reduced;
3. according to the performance testing method for the control circuit board of the new energy automobile, the circuit boards with different lengths and widths can be clamped through the clamping mechanism, equipment does not need to be replaced, and manpower and material resources are saved.
Drawings
The invention is further illustrated with reference to the following figures and examples.
FIG. 1 is a flow chart of the operation of the present invention;
FIG. 2 is a schematic view of a first perspective structure of the present invention;
FIG. 3 is a second perspective view of the present invention;
FIG. 4 is a schematic view of the construction of the swage mount and through the web of the present invention;
FIG. 5 is a cross-sectional view of the present invention;
FIG. 6 is a cross-sectional view between the mounting frame and the clamping mechanism of the present invention;
FIG. 7 is an enlarged view of the invention in the X-direction of FIG. 5;
FIG. 8 is an enlarged view of the invention in the Y-direction of FIG. 5;
FIG. 9 is an enlarged view of the invention in the Z-direction of FIG. 6.
Detailed Description
The embodiments of the invention will be described in detail below with reference to the drawings, but the invention can be implemented in many different ways as defined and covered by the claims.
As shown in fig. 1 to 9, a new energy automobile control circuit board performance test method mainly includes the following test steps:
s1, clamping the plate: rotating the moving plate 26 outwards, placing the circuit board into the clamping mechanism 45, and clamping by the clamping mechanism 45;
s2, height adjustment: the height of dust scattered on the circuit board is controlled by a height adjusting mechanism 24;
s3, raising dust: the dust is blown into the working frame body 21 by the dust raising machine 3 and then is scattered on the circuit board;
s4, leveling dust pile: the reciprocating mechanism 41 drives the height adjusting mechanism 24 to reciprocate on the plane of the height adjusting mechanism, so as to level the dust pile surface;
s5, collection processing: collecting the dust which does not fall on the surface of the circuit board through a collecting cabinet 5;
welding preparation equipment that uses in the above-mentioned step includes unable adjustment base 1, work frame 2, raise dust machine 3, clamping device 4 and collects cabinet 5, unable adjustment base 1's upper end install work frame 2, the upper end of work frame 2 is fixed with raise dust machine 3, is equipped with clamping device 4 in the work frame 2, the lower extreme of work frame 2 is provided with collects cabinet 5, collects cabinet 5 and slides and set up in unable adjustment base 1's upper end, raise dust machine 3 is current equipment, and the primary function is to spray the dust to in the work frame 2.
The working frame 2 comprises a working frame body 21, a limiting sliding groove 22, a passing groove 23, a height adjusting mechanism 24, a rotating baffle plate 25 and a moving plate 26, the working frame body 21 is installed at the upper end of the fixed base 1, the limiting sliding groove 22 is arranged on the upper side of the inner wall of the left end of the working frame body 21, the passing groove 23 is arranged on the upper side of the right end of the working frame body 21, the limiting sliding groove 22 is connected with the passing groove 23 through the height adjusting mechanism 24, the rotating baffle plate 25 is symmetrically arranged at the front end and the rear end of the right side of the working frame body 21, the rotating baffle plate 25 is installed on the working frame body 21 through a first pin shaft, the left end of the moving plate 26 is installed at the front end of the working frame body 21 through a second pin shaft, during specific work, the moving plate 26 is rotated towards the outside of the working frame body 21, then the circuit, the position of the collecting cabinet 5 is positioned by rotating the shutter 25, and dust which does not fall onto the surface of the circuit board is collected by the collecting cabinet 5.
The height adjusting mechanism 24 comprises a sliding round rod 241, a first connecting block 242, a return frame 243, a passing net 244, a second connecting block 245, a sliding rod 246, an extension spring 247, a connecting rod 248, a clamping rod 249 and a clamping groove 2410, the sliding round rod 241 is slidably arranged in the limiting sliding groove 22, the sliding round rod 241 is provided with the first connecting block 242 in a sliding manner, the first connecting block 242 is connected with the return frame 243 through a first locking part, the return frame 243 is internally provided with the passing net 244, the middle part of the right end of the return frame 243 is connected with the second connecting block 245 through a second locking part, the right end of the second connecting block 245 is provided with a working groove, the sliding rod 246 is slidably arranged in the working groove, the sliding rod 246 is connected with the working groove through the extension spring 247, the right end of the sliding rod 246 is fixedly provided with the connecting rod 248, the clamping rod 249 is symmetrically arranged on the front side and the rear side of the left end of the connecting rod 248, the clamping grooves 2410 are symmetrically and uniformly, the clamping rod 249 and the clamping groove 2410 are correspondingly matched; the through net 244 is installed in the clip frame 243 through a threaded rod, so that the through net 244 can be replaced and cleaned conveniently.
During specific work, the connecting rod 248 is pulled to move towards the right side, the clamping rod 249 is driven to leave the clamping groove 2410, the connecting rod 248 moves towards the right side, the sliding rod 246 is driven to move towards the right side, and meanwhile the extension spring 247 is extended.
The vertical position of the connecting rod 248 is adjusted again, and then the sliding rod 246 is driven to change the vertical height, so that the second connecting block 245 is lifted or lowered, and meanwhile, the first connecting block 242 is driven to slide to the proper position on the sliding round rod 241 by driving the second frame 243 and the net 244 to move to the proper height and moving the second frame 243 to the proper position. After the height adjustment through the net 244 is completed, the pulling force on the connecting rod 248 is released, and the sliding rod 246 is driven to slide leftwards under the elastic action of the extension spring 247, so that the connecting rod 248 drives the blocking rod 249 to enter the blocking grooves 2410 with different heights again, and the height passing through the net 244 is positioned again.
The clamping device 4 comprises a reciprocating mechanism 41, a first sliding plate 42, a second sliding plate 43, a mounting frame 44 and a clamping mechanism 45, wherein the reciprocating mechanism 41 is installed on the left side of the upper end of the fixed base 1, a first sliding groove is formed in the middle of the left end of the working frame body 21, the first sliding plate 42 is arranged in the first sliding groove in a sliding mode, a second sliding groove is formed in the middle of the right end of the working frame body 21, the second sliding plate 43 is arranged in the second sliding groove in a sliding mode, the first sliding plate 42 is connected with the second sliding plate 43 through the mounting frame 44, the clamping mechanisms 45 are uniformly and symmetrically installed on the inner walls of the left end and the right end of the mounting frame 44, and during specific work, the first sliding plate 42 is driven to slide in the first sliding groove through the reciprocating mechanism 41, the mounting frame 44 is simultaneously pushed to reciprocate in the left-right direction, and then the second sliding plate 43, so that the clamping mechanism 45 drives the circuit board to do reciprocating motion in the left-right direction, and the uneven dust pile accumulated on the surface of the circuit board is leveled through the relative motion of the net 244 and the clamping mechanism; the left end of the first sliding plate 42 is provided with a buffer slot, so that the first sliding plate 42 is prevented from being damaged by the fact that the cam 412 directly pushes the first sliding plate 42 through the buffer slot.
The reciprocating mechanism 41 comprises a driving motor 411, a cam 412, a limit baffle 413 and a limit spring 414, wherein the driving motor 411 is installed on the left side of the upper end of the fixed base 1 through a motor base, the output shaft of the driving motor 411 is connected with the cam 412, the cam 412 and the first sliding plate 42 are correspondingly matched, the limit baffle 413 is installed at the right end of the second sliding plate 43, the limit baffle 413 is connected with the outer wall of the right end of the working frame body 21 through the limit springs 414 which are symmetrically arranged in the front and back direction, in the specific working process, the driving motor 411 drives the cam 412 to rotate, when the longer end of the cam 412 is contacted with the first sliding plate 42, the first sliding plate 42 is pushed to move rightwards, the mounting frame 44 is further pushed to move rightwards, the second sliding plate 43 and the limit baffle 413 are simultaneously driven to; when the cam 412 is not in contact with the first sliding plate 42, the limiting baffle 413 is driven to move leftwards under the elastic action of the limiting spring 414, so that the mounting frame 44 is reset, and when the cam 412 rotates ceaselessly, the mounting frame 44 and the clamping mechanism 45 are pushed to do reciprocating linear motion in the left-right direction.
The clamping mechanism 45 comprises a mounting rod 451, a limit sliding groove 452, a moving rod 453, a trapezoidal stop 454, a rotating rod 455, a limit groove 456, an L-shaped clamping block 457, an expansion link 458, an expansion spring 459, a clamping plate 4510 and a rotating roller 4511, wherein the inner end of the mounting rod 451 is mounted on the inner wall of the mounting frame 44, the outer side of the mounting rod 451 is provided with the limit sliding groove 452, the moving rod 453 is arranged in the limit sliding groove 452 in a sliding fit manner, the trapezoidal stop 454 is symmetrically mounted on the outer walls of the front end and the rear end of the mounting rod 451, the outer end of the moving rod 453 is provided with the rotating rod 455 through a third pin shaft, the front end and the rear end of the inner side of the moving rod 453 are symmetrically provided with the limit groove 456, the L-shaped clamping block 457 is slidably arranged in the limit groove 456 is connected with the outer end of the L-shaped clamping block 457 through the expansion link 458, the moving rod 453 is connected with the limit sliding groove 452 through, rotating rollers 4511 are symmetrically arranged at the upper end and the lower end of the outer side of the clamping plate 4510 through bearings; one end of the L-shaped blocking block 457, which is close to the limiting sliding groove 452, is a trapezoidal mechanism, so that the L-shaped blocking block 457 can slide upwards under the extrusion action of the trapezoidal stopper 454.
When the circuit board clamping device works specifically, two ends of the circuit board are placed between rotating rollers 4511 which are symmetrically installed, the circuit board is clamped through extrusion between the rotating rollers 4511, at the moment, the rotating rollers 4511 are pushed to move inwards, further, the clamping plate 4510 is pushed to move inwards, the rotating rod 455 slides in a sliding groove, meanwhile, the telescopic spring 459 is compressed, when the clamping plate 4510 is in contact with the moving rod 453, the moving rod 453 is continuously pushed to move inwards, further, the L-shaped clamping block 457 is driven to be in contact with the trapezoid stop 454, further, the L-shaped clamping block 457 moves towards two sides of the limiting groove 456 under the extrusion effect of the trapezoid stop 454, meanwhile, the telescopic rod 458 is stretched, when the L-shaped clamping block 457 moves to a proper position between the trapezoid stop 454 and the trapezoid stop 454, the clamping plate 4510 is stopped being pushed, the circuit board is clamped through the clamping effect of the L-shaped clamping block 457 and the trapezoid stop 454, when the circuit board is longer, the L-shaped locking block 457 is further pushed to move to a proper position between the trapezoidal stoppers 454, and when the circuit board is wide, the circuit board can be clamped by a plurality of clamping mechanisms 45 on the same side.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. A new energy automobile control circuit board performance test method is characterized by comprising the following steps: the method mainly comprises the following testing steps:
s1, clamping the plate: the moving plate (26) is outwards rotated, the circuit board is placed in a clamping mechanism (45) and is clamped by the clamping mechanism (45);
s2, height adjustment: the height of dust scattered on the circuit board is controlled by a height adjusting mechanism (24);
s3, raising dust: dust is blown into the working frame body (21) through the dust raising machine (3) and then is scattered on the circuit board;
s4, leveling dust pile: the reciprocating mechanism (41) drives the height adjusting mechanism (24) to reciprocate on the plane of the height adjusting mechanism, so as to level the dust pile surface;
s5, collection processing: collecting the dust which does not fall on the surface of the circuit board through a collecting cabinet (5);
the welding manufacturing equipment used in the steps comprises a fixed base (1), a working frame (2), a dust raising machine (3), a clamping device (4) and a collecting cabinet (5), wherein the working frame (2) is installed at the upper end of the fixed base (1), the dust raising machine (3) is fixed at the upper end of the working frame (2), the clamping device (4) is arranged in the working frame (2), the collecting cabinet (5) is arranged at the lower end of the working frame (2), and the collecting cabinet (5) is arranged at the upper end of the fixed base (1) in a sliding mode;
the working frame (2) comprises a working frame body (21), a limiting sliding groove (22), a passing groove (23), a height adjusting mechanism (24), a rotating baffle (25) and a moving plate (26), wherein the working frame body (21) is installed at the upper end of the fixed base (1), the limiting sliding groove (22) is formed in the upper side of the inner wall of the left end of the working frame body (21), the passing groove (23) is formed in the upper side of the right end of the working frame body (21), the limiting sliding groove (22) is connected with the passing groove (23) through the height adjusting mechanism (24), the rotating baffle (25) is symmetrically arranged at the front end and the rear end of the right side of the working frame body (21), the rotating baffle (25) is installed on the working frame body (21) through a first pin shaft, and the left end of the moving plate (26) is installed at the;
the clamping device (4) comprises a reciprocating mechanism (41), a first sliding plate (42), a second sliding plate (43), a mounting frame (44) and a clamping mechanism (45), wherein the reciprocating mechanism (41) is installed on the left side of the upper end of the fixed base (1), a first sliding groove is formed in the middle of the left end of the working frame body (21), the first sliding plate (42) is arranged in the first sliding groove in a sliding mode, a second sliding groove is formed in the middle of the right end of the working frame body (21), the second sliding plate (43) is arranged in the second sliding groove in a sliding mode, the first sliding plate (42) is connected with the second sliding plate (43) through the mounting frame (44), and the clamping mechanisms (45) are evenly and symmetrically installed on the inner walls of the left end and the right end of the mounting frame (44;
the height adjusting mechanism (24) comprises a sliding round rod (241), a first connecting block (242), a return-shaped frame (243), a through net (244), a second connecting block (245), a sliding rod (246), a tension spring (247), a connecting rod (248), a clamping rod (249) and a clamping groove (2410), wherein the sliding round rod (241) is arranged in the limiting sliding groove (22) in a sliding manner, the first connecting block (242) is arranged on the sliding round rod (241) in a sliding manner, the first connecting block (242) is connected with the return-shaped frame (243) through a first locking member, the through net (244) is arranged in the return-shaped frame (243), the middle part of the right end of the return-shaped frame (243) is connected with the second connecting block (245) through the second locking member, a working groove is formed in the right end of the second connecting block (245), the sliding rod (246) is arranged in the working groove in a sliding manner, the sliding rod (246) is connected with the working groove through the tension, the right-hand member of slide bar (246) is fixed with connecting rod (248), screens pole (249) are installed to the bilateral symmetry around connecting rod (248) left end, screens groove (2410) have evenly been seted up to bilateral symmetry around work frame body (21) right-hand member outer wall, and screens pole (249) and screens groove (2410) are for corresponding cooperation setting.
2. The new energy automobile control circuit board performance testing method according to claim 1, characterized in that: reciprocating motion mechanism (41) include driving motor (411), cam (412), limit baffle (413) and limit spring (414), driving motor (411) pass through motor pedestal mounting on the upper end left side of unable adjustment base (1), be connected with cam (412) on driving motor's (411) output shaft, cam (412) and sliding plate (42) are for corresponding the cooperation setting, limit baffle (413) are installed to the right-hand member of No. two sliding plates (43), limit baffle (413) through the limit spring (414) of fore-and-aft symmetry setting and the right-hand member outer wall connection of work frame body (21).
3. The new energy automobile control circuit board performance testing method according to claim 1, wherein the clamping mechanism (45) comprises a mounting rod (451), a limiting sliding groove (452), a moving rod (453), a trapezoidal stop block (454), a rotating rod (455), a limiting groove (456), an L-shaped clamping block (457), a telescopic rod (458), a telescopic spring (459), a clamping plate (4510) and a rotating roller (4511), the inner end of the mounting rod (451) is mounted on the inner wall of the mounting frame (44), the outer side of the mounting rod (451) is provided with the limiting sliding groove (452), the moving rod (453) is arranged in the limiting sliding groove (452) in a sliding fit manner, the trapezoidal stop blocks (454) are symmetrically mounted on the outer walls of the front and rear ends of the mounting rod (451), the outer end of the moving rod (453) is provided with the rotating rod (455) through a third pin shaft, the front and rear ends of the inner side of the moving rod (453) are symmetrically provided with, limiting groove (456) slide and are provided with L type screens piece (457), L type screens piece (457) link to each other with limiting groove (456) through telescopic link (458), carriage release lever (453) are connected with limiting chute (452) through expanding spring (459), the outer end of dwang (455) slides and sets up in the groove that slides that grip block (4510) inner was seted up, live-rollers (4511) are installed through bearing symmetry at the upper and lower both ends in grip block (4510) outside.
4. The new energy automobile control circuit board performance testing method according to claim 1, characterized in that: the left end of the first sliding plate (42) is provided with a buffer groove.
5. The new energy automobile control circuit board performance testing method according to claim 1, characterized in that: the passing net (244) is arranged in the clip frame (243) through a threaded rod.
6. The new energy automobile control circuit board performance testing method according to claim 3, characterized in that: one end of the L-shaped clamping block (457) close to the limiting sliding groove (452) is a trapezoidal mechanism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202010849396.2A CN111965525A (en) | 2020-08-21 | 2020-08-21 | New energy automobile control circuit board performance test method |
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| CN202010849396.2A CN111965525A (en) | 2020-08-21 | 2020-08-21 | New energy automobile control circuit board performance test method |
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| CN111965525A true CN111965525A (en) | 2020-11-20 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113030694A (en) * | 2021-01-06 | 2021-06-25 | 苏州凌创电子系统有限公司 | Floating testing device for multiple groups of PCB boards |
| CN113109699A (en) * | 2021-04-20 | 2021-07-13 | 王绪莲 | Automobile chip production and manufacturing performance testing method |
-
2020
- 2020-08-21 CN CN202010849396.2A patent/CN111965525A/en not_active Withdrawn
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113030694A (en) * | 2021-01-06 | 2021-06-25 | 苏州凌创电子系统有限公司 | Floating testing device for multiple groups of PCB boards |
| CN113030694B (en) * | 2021-01-06 | 2023-02-28 | 苏州凌创电子系统有限公司 | Floating testing device for multiple groups of PCB (printed circuit board) |
| CN113109699A (en) * | 2021-04-20 | 2021-07-13 | 王绪莲 | Automobile chip production and manufacturing performance testing method |
| CN113109699B (en) * | 2021-04-20 | 2023-02-17 | 杭州道铭微电子有限公司 | Method for testing production and manufacturing performance of automobile chip |
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Application publication date: 20201120 |