CN217543720U

CN217543720U - Vehicle-mounted main control board product testing equipment

Info

Publication number: CN217543720U
Application number: CN202221198924.3U
Authority: CN
Inventors: 魏庶; 张惠峰; 胡世荣; 邹士航
Original assignee: Suzhou Henghe New Automation Technology Co ltd
Current assignee: Suzhou Henghe New Automation Technology Co ltd
Priority date: 2022-05-19
Filing date: 2022-05-19
Publication date: 2022-10-04
Anticipated expiration: 2032-05-19

Abstract

The utility model discloses an on-vehicle main control board product test equipment uses in automotive electronics test technical field, to examining time measuring, and the product is placed on test platform and is fixed a position inaccurate, the easy problem that squints and the probe is easily bumped by the mistake, and its technical scheme main points are: comprises a frame; the test board is arranged on the rack and used for placing a product to be tested; the lifting platform deck is arranged above the test board, the vertical height of the lifting platform deck can be adjusted, and a bearing plate is arranged at the lower end of the lifting platform deck; the probe test modules are arranged at the lower end of the bearing plate and used for testing products; the probe test module is provided with a probe protection sleeve, a plurality of probes are vertically arranged in the probe protection sleeve, and the lower ends of the probes extend to the lower part of the probe protection sleeve; the elastic pressing component is arranged on the lower side of the bearing plate and used for pressing a product to be tested; the method has the technical effects of effectively preventing the product from deviating and the probe from being inclined and improving the test precision.

Description

Vehicle-mounted main control board product testing equipment

Technical Field

The utility model relates to an automotive electronics tests technical field, more specifically says, it relates to an on-vehicle main control board product test equipment.

Background

In order to enhance the use function of the automobile, a plurality of electronic devices are usually mounted on the automobile, and the electronic devices collect, interact and transmit information through a main control board, so as to control each electronic device. The main control board product of the automobile is formed by assembling a PCB, an upper cover plate and a lower cover plate, and the assembled main control board product needs to be subjected to gateway testing and EUL testing so as to check the electrical function of the main control board product.

The existing main control board product test equipment has the following defects: on one hand, due to the existence of production tolerance, large tolerance exists between main control board products produced by different manufacturers, and the problems of inaccurate positioning and easy deviation often exist when the products are placed on a test platform during detection, so that the error of a test result is large; on the other hand, the probes of many test equipment are exposed, and the probes are prone to being skewed due to mistaken touch, so that the probes enter wrong points during testing to generate a short circuit phenomenon, and a test result is influenced.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims to provide an on-vehicle main control board product test equipment, its advantage has elasticity and pushes down subassembly and probe protection architecture, can effectually prevent that product skew and probe are crooked, improves the measuring accuracy.

In order to achieve the above purpose, the utility model provides a following technical scheme:

an on-board main control panel product testing device, comprising: a frame; the test board is arranged on the rack and used for placing a product to be tested; the lifting platform deck is arranged above the test board, the vertical height of the lifting platform deck can be adjusted, and a bearing plate is arranged at the lower end of the lifting platform deck; the probe test modules are arranged at the lower end of the bearing plate and used for testing products; the probe test module is provided with a probe protection sleeve, a plurality of probes are vertically arranged in the probe protection sleeve, and the lower ends of the probes extend to the lower part of the probe protection sleeve; the elastic pressing component is arranged on the lower side of the bearing plate and used for pressing a product to be tested, and the lower end distance of the elastic pressing component is smaller than the vertical height of the test board.

According to the scheme, the probe is arranged in the probe protective sleeve, only a small section of the probe extends out of the probe protective sleeve, and most of the rest of the probe is positioned in the probe protective sleeve, so that a good protection effect can be achieved, and the probe is prevented from being mistakenly touched to be inclined or damaged; the elastic pressing component is arranged, so that during testing, the elastic pressing component can compress a product, deviation during product testing is avoided, testing stability is improved, and accuracy of a testing result is guaranteed.

Furthermore, the probe test module comprises a probe mounting plate arranged at the lower end of the bearing plate, a probe block arranged at the lower end of the probe mounting plate and a probe arranged on the probe block, and the upper end of the probe protective sleeve is connected with the probe block.

The beneficial effects are that: the design of adopting the modularization installation, utilize the probe piece to be connected with the loading board after with the probe integration together, it is more convenient to assemble, dismantle and maintain.

Furthermore, a supporting plate is arranged above the lifting platform deck, a plurality of guide posts are vertically arranged on the supporting plate, the upper ends of the guide posts are arranged on the supporting plate in a sliding manner, and the lower ends of the guide posts are connected with the lifting platform deck; the middle part of the supporting plate is provided with a lifting cylinder, and a piston rod of the lifting cylinder is abutted to the lifting carrying platform.

The beneficial effects are that: the lifting cylinder is connected with the lifting carrying platform, the guide post is connected to the lifting carrying platform, and when a piston rod of the lifting cylinder extends out or contracts, the lifting carrying platform can move up and down along with the piston rod, so that the lifting of the probe testing module is realized.

Furthermore, the elasticity pushes down the subassembly and includes that a plurality of is vertical set up in the loading board lower extreme compresses tightly the post and the cover is located compress tightly the spring that pushes down in the post outside, the upper and lower both ends of spring that pushes down butt respectively the loading board with compress tightly the lower extreme of post, the lower extreme distance that compresses tightly the post the vertical height of testboard is less than the lower extreme distance of probe the vertical height of testboard.

The beneficial effects are that: during testing, as the vertical height of the compression column is smaller than that of the lower end of the probe, the compression column is firstly attached to the surface of a product along with the descending of the lifting carrying platform, at the moment, the compression spring is compressed to generate resilience force, and the product can be compressed under the action of the resilience force, so that the stable positioning of the product to be tested is realized; on the other hand, after the test is accomplished, the lift microscope carrier rises the in-process, because the resilience force of pushing down the spring for the product is pushed down by the compression column all the time, thereby makes probe test module break away from the product surface more easily, can not take the product up.

Furthermore, a plurality of guide holes are vertically formed in the probe mounting plate, guide sleeves are coaxially arranged in the guide holes, the lower ends of the guide sleeves are flush with the lower ends of the guide holes, floating springs are sleeved on the outer sides of the guide sleeves, and gaps are formed between the upper ends of the probe mounting plate and the bearing plates.

The beneficial effects are that: guide pin bushing and floating spring's setting for when the probe alignment runs into and blocks, the probe mounting panel can remove one end distance to the loading board direction, and at this moment, the probe piece removes along with the probe mounting panel, is favorable to protecting the probe, avoids the probe atress to buckle or damage.

Furthermore, the upper end of the guide sleeve is of an inclined surface structure inclined towards the outer side of the guide sleeve, and the distance L2 between the vertical outer side of the guide sleeve and the side wall of the guide hole is 0.25-0.35 mm.

The beneficial effects are that: the inclined plane structure has a guiding function, so that the guide sleeve can protrude above the guide hole along the inclined plane; a gap of 0.25-0.35mm is arranged between the guide sleeve and the guide hole, so that after the guide sleeve extends above the guide hole, the probe mounting plate has a space which is rocked by a small amplitude from left to right, the probe mounting plate is favorable for being quickly inserted into a corresponding detection hole position on a product, and the test efficiency is improved while the probe is protected.

Furthermore, the distance L1 between the upper end of the probe mounting plate and the lower end of the bearing plate is 1.5-2.5 mm.

The beneficial effects are that: by arranging the gap, the probe has a space floating up and down when in detection alignment, which is beneficial to protecting the probe; the gap between the probe mounting plate and the bearing plate is too large, the floating range of the probe is too large, the stability of the probe is influenced, and the precision is influenced due to the large equipment gap; the clearance sets up too little, and the probe does not have the floating space almost, and is not enough to the protection dynamics of probe, consequently, clearance in this scheme adopts 1.5-2.5mm, guarantees that the probe is effectual protection probe when stable measurement.

Furthermore, the lower end of the compression column is provided with a silica gel sleeve.

The beneficial effects are that: the silica gel cover has certain elasticity, sets up the silica gel cover at the lower extreme that compresses tightly the post, can effectual protection product, avoids product surface indentation or fish tail.

To sum up, the utility model discloses following beneficial effect has:

according to the scheme, the probe is protected by arranging the probe protection sleeve, so that the probe can be effectively prevented from being damaged due to mistaken collision; the elastic pressing assembly is arranged to compress the product in the testing process, so that the stability of detection and the accuracy of a detection result are ensured; through setting up guide pin bushing, floating spring isotructure that the lower extreme is the inclined plane structure for during the test, the probe can be about from top to bottom small amplitude removal, when protecting the probe, improves probe alignment speed and detection efficiency.

Drawings

Fig. 1 is an overall configuration diagram of the present embodiment;

FIG. 2 is a schematic structural view of the resilient hold-down assembly of the present embodiment;

FIG. 3 is a schematic structural diagram of a probe test assembly according to the present embodiment;

fig. 4 is a sectional view of the probe test assembly of the present embodiment.

In the figure: 1. a frame; 2. a test bench; 3. lifting the carrying platform; 4. a probe test module; 41. a probe mounting plate; 42. a probe block; 43. a probe; 5. an elastic pressing component; 51. a compression post; 52. pressing down the spring; 6. a carrier plate; 7. a guide post; 8. a support plate; 9. a lifting cylinder; 10. a guide sleeve; 11. a connecting bolt; 12. a floating spring; 13. a probe protective sleeve; 14. and (4) a silica gel sleeve.

Detailed Description

The present invention will be described in detail with reference to the accompanying drawings and embodiments.

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present invention.

Example (b):

as shown in fig. 1 to 3, an on-vehicle main control board product testing apparatus includes: the device comprises a frame 1, a test board 2, a lifting carrying platform 3, a probe test module 4 and an elastic pressing component 5; wherein: the test bench 2 is arranged on the rack 1 and used for placing a product to be tested; the lifting platform deck 3 is arranged above the test board 2, the lower end of the lifting platform deck 3 is provided with a bearing plate 6, a support plate 8 is arranged above the lifting platform deck 3, a plurality of guide posts 7 are vertically arranged on the support plate 8, the upper ends of the guide posts 7 are arranged on the support plate 8 in a sliding manner, and the lower ends of the guide posts 7 are connected with the lifting platform deck 3; a lifting cylinder 9 is arranged in the middle of the supporting plate 8, and a piston rod of the lifting cylinder 9 is abutted against the lifting carrying platform 3; by adopting the structure, the vertical height of the lifting carrying platform 3 can be adjusted through the extension and retraction of the piston rod of the lifting cylinder 9, so that the lifting of the probe test module 4 is realized, and the test of a product is completed.

As shown in fig. 3, the probe test modules 4 are used for testing a product, and a plurality of probe test modules 4 are arranged at the lower end of the carrier plate 6; the probe test module 4 includes a probe mounting plate 41 disposed at a lower end of the carrier plate 6, a probe block 42 disposed at a lower end of the probe mounting plate 41, and a probe 43 disposed on the probe block 42, and an upper end of the probe 43 is connected to the probe block 42.

As shown in fig. 2 and 3, the elastic pressing assembly 5 is used for pressing a product to be tested, the elastic pressing assembly 5 includes a plurality of pressing columns 51 vertically arranged on the lower side of the loading plate 6 and pressing springs 52 sleeved on the outer sides of the pressing columns 51, the upper and lower ends of the pressing springs 52 are respectively abutted to the lower ends of the loading plate 6 and the pressing columns 51, and the vertical height from the lower end of the pressing column 51 to the testing platform 2 is smaller than the vertical height from the lower end of the probe 43 to the testing platform 2; the lower end of the pressing column 51 is provided with the silica gel sleeve 14, and when the pressing column 51 is contacted with the upper surface of a product, the silica gel sleeve 14 can prevent the surface of the product from generating indentation or scratch.

As shown in fig. 3, a probe protection sleeve 13 is arranged on the probe test module 4, the upper end of the probe protection sleeve 13 abuts against the probe block 42, probe mounting holes with the same number as that of the probes 43 are vertically arranged on the probe protection sleeve 13, the probes 43 pass through the probe mounting holes and are arranged in the probe protection sleeve 13, the upper end of the probes 43 is connected with the probe block 42, and the lower end of the probes 43 extends to the lower part of the probe protection sleeve 13; through the structure, the probe 43 only leaks out of the detection head part of the small section contacted with the product, the rest part is positioned in the probe protective sleeve 13, and the probe protective sleeve 13 can protect the probe 43, so that the probe 43 is prevented from being bent or damaged due to mistaken collision; in order to facilitate detection, the probe 43 is aligned, and an arc-shaped large chamfer is arranged on the outer side of the lower end of the probe protection sleeve 13, so that the probe protection sleeve 13 can slide into a product conveniently.

As shown in fig. 4, a plurality of guide holes are vertically formed in the probe mounting plate 41, guide sleeves 10 are arranged in the guide holes, the lower ends of the guide sleeves 10 are flush with the lower ends of the guide holes, connecting bolts 11 vertically penetrate through the guide sleeves 10 in the middle of the guide sleeves 10, the probe mounting plate 41 is connected with the bearing plate 6 through the connecting bolts 11, and the guide holes, the guide sleeves 10 and the connecting bolts 11 are coaxially arranged in the vertical direction.

As shown in fig. 4, a floating spring 12 is sleeved outside the guide sleeve 10, and the upper end and the lower end of the floating spring 12 are respectively connected in the guide hole and on the bearing plate 6; a gap (refer to fig. 3) is provided between the upper end of the probe mounting plate 41 and the carrier plate 6, and the distance L1 of the gap is 1.5 to 2.5mm, preferably 2mm;

as shown in fig. 4, the upper end of the guide sleeve 10 is provided with an inclined surface structure inclined towards the outer side of the guide sleeve 10, a gap is arranged between the vertical outer side of the guide sleeve 10 and the side wall of the guide hole, and the distance L2 of the gap is 0.25-0.35mm, preferably 0.3mm; by adopting the structure, the probe mounting plate 41 has an up-and-down floating space of 1.5-2.5mm during detection, and the probe block 42 is connected with the probe mounting plate 41, so that the probe block 42 drives the probe 43 to float up and down along with the probe mounting plate 41, the stress of the probe 43 during detection alignment is relieved, and the probe 43 is effectively protected; and, when the probe mounting panel 41 upwards floated L1's distance, the guiding hole upwards floated, outside the lower extreme protrusion guiding hole of guide pin bushing 10, because clearance L2's existence, small amplitude rocked about probe mounting panel 41 can to the position of convenient adjustment probe 43, make probe 43 change the detection point position of inserting on the product, improve detection efficiency.

The utility model discloses a working process and theory of operation as follows:

when the test bed works, a product is firstly placed on the test bed 2; starting a lifting cylinder 9, wherein the lifting cylinder 9 controls the lifting carrier 3 to descend; along with the descending of the lifting carrying platform 3, the lower end of the pressing column 51 firstly contacts the upper surface of the product, and the pressing column 51 presses the product under the action of the pressing spring 52, so that the product is prevented from deviating in the testing process; then, the probe test module 4 is lowered to the upper part of the product, and the probe 43 is aligned with the detection point on the product for testing; in the alignment process, because probe 43 is more, when not aligning completely, probe test module 4 can't correctly put into, aim at this moment and meet the hindrance, and probe mounting panel 41 atress upwards floats with the atress of buffering probe 43, and simultaneously, probe mounting panel 41 can control a little amplitude and rock for operating personnel can find probe 43 alignment position fast, realizes putting into of probe test module 4 correctly, thereby accomplishes and detects.

It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that modifications and embellishments within the scope of the present disclosure may be made by those skilled in the art without departing from the principles of the present disclosure.

Claims

1. The utility model provides an on-vehicle master control board product test equipment which characterized in that includes:

a frame (1);

the test bench (2) is arranged on the rack (1) and used for placing a product to be tested;

the lifting platform (3) is arranged above the test board (2), the vertical height of the lifting platform (3) can be adjusted, and a bearing plate (6) is arranged at the lower end of the lifting platform (3);

the probe test modules (4) are arranged at the lower end of the bearing plate (6) and are used for testing products; a probe protection sleeve (13) is arranged on the probe test module (4), a plurality of probes (43) are vertically arranged in the probe protection sleeve (13), and the lower ends of the probes (43) extend to the lower part of the probe protection sleeve (13);

elasticity pushes down subassembly (5), set up in the downside of loading board (6) for compress tightly the product that awaits measuring, the lower extreme distance that elasticity pushed down subassembly (5) the vertical height of testboard (2) is less than the lower extreme distance of probe (43) the vertical height of testboard (2).

2. The vehicle-mounted main control board product testing device according to claim 1, wherein the probe testing module (4) comprises a probe mounting plate (41) arranged at the lower end of the bearing plate (6), a probe block (42) arranged at the lower end of the probe mounting plate (41), and a probe (43) arranged on the probe block (42), and the upper end of the probe protection sleeve (13) is connected with the probe block (42).

3. The vehicle-mounted main control board product testing equipment according to claim 2, wherein a support plate (8) is arranged above the lifting platform (3), a plurality of guide columns (7) are vertically arranged on the support plate (8), the upper ends of the guide columns (7) are slidably arranged on the support plate (8), and the lower ends of the guide columns (7) are connected with the lifting platform (3); the middle part of the supporting plate (8) is provided with a lifting cylinder (9), and a piston rod of the lifting cylinder (9) is abutted to the lifting carrying platform (3).

4. The vehicle-mounted main control board product testing device according to any one of claims 1 to 3, wherein the elastic pressing assembly (5) comprises a plurality of pressing columns (51) vertically arranged at the lower end of the loading board (6) and pressing springs (52) sleeved outside the pressing columns (51), the upper ends and the lower ends of the pressing springs (52) are respectively abutted against the lower ends of the loading board (6) and the pressing columns (51), and the vertical height from the lower ends of the pressing columns (51) to the testing platform (2) is smaller than the vertical height from the lower ends of the probes (43) to the testing platform (2).

5. The vehicle-mounted main control panel product testing device according to claim 3, wherein a plurality of guide holes are vertically arranged in the probe mounting plate (41), guide sleeves (10) are coaxially arranged in the guide holes, the lower ends of the guide sleeves (10) are flush with the lower ends of the guide holes, floating springs (12) are sleeved on the outer sides of the guide sleeves (10), and a gap is arranged between the upper end of the probe mounting plate (41) and the bearing plate (6).

6. The vehicle-mounted main control board product testing device according to claim 5, wherein the upper end of the guide sleeve (10) is provided with an inclined surface structure inclined towards the outer side of the guide sleeve (10), and the distance L2 between the vertical outer side of the guide sleeve (10) and the side wall of the guide hole is 0.25-0.35 mm.

7. The vehicle-mounted main control board product testing device according to claim 6, wherein a distance L1 between the upper end of the probe mounting plate (41) and the lower end of the bearing plate (6) is 1.5-2.5 mm.

8. The vehicle-mounted main control panel product testing device according to claim 4, wherein a silica gel sleeve (14) is arranged at the lower end of the compression column (51).