CN112649759A - High-low voltage conversion device for automobile wire harness high-low voltage detection table - Google Patents

Abstract

The invention provides a high-low voltage conversion device of an automobile wire harness high-low voltage detection table, which comprises: the device comprises a platform seat, an upper base, a lower base, a cylinder fixing seat, a cylinder and a position detection block; the upper base and the air cylinder fixing seat are arranged at two ends of the platform seat, the air cylinder is arranged on the air cylinder fixing seat, a supporting plate is arranged on a piston rod of the air cylinder and fixedly connected with the lower base through a group of supporting rods, the air cylinder pushes the lower base to move between the upper base and the air cylinder fixing seat through the supporting plate, needle library groups are arranged on the upper base and the lower base, and conducting probes are arranged in the needle library groups; the position detection block is used for detecting the movement position of the lower base and controlling the upper base and the lower base to be separated by a distance of 10 mm; the invention has the advantages that: the detection table for detecting the high voltage and the low voltage of the wire harness can detect the high voltage and the low voltage of the wire harness, the accuracy and the safety of the high voltage and low voltage conversion process are ensured, and when the high voltage is detected, the low voltage detection part can be disconnected to carry out low voltage protection on the high voltage and low voltage detection part.

Description

High-low voltage conversion device for automobile wire harness high-low voltage detection table

Technical Field

The invention relates to the field of automobile wire harness detection, in particular to a high-low voltage conversion device for an automobile wire harness high-low voltage detection table.

Background

The automobile wire harness is a component for connecting and making electronic and electric parts of an automobile to play functions, is a network main body of an automobile circuit, and mainly comprises copper plug connectors (plugs and sockets), plastic sheaths, electric wires and the like, wherein the plug connectors are installed in the plastic sheaths after being pressed with the electric wires, and the electric wires are bundled by the wire harness and wrapped by adhesive tapes. The wire harness has the function of transmitting and exchanging power signals and data signals of an electrical system in the whole vehicle, and the functions and requirements of the electrical system are realized.

Automobile wire harnesses are distributed at all corners of an automobile, and include engine wire harnesses and engine room wire harnesses which work in a high-temperature environment, chassis wire harnesses which work in a dust flying environment, a water and mud immersion environment, door wire harnesses which are bridged between a door and an automobile body and stretch repeatedly for a long time, power wire harnesses which bear a high-power device and work for a long time under full load, and the like. Therefore, to ensure the quality of the automotive wiring harness, attention must be paid to various links such as design, material selection, manufacturing process, test, assembly and the like.

The related failure problem occurring in the using process of the automobile is increasingly becoming the focus of people, wherein the failure of the automobile wiring harness is one of the focus problems. The automobile wire harness mainly comprises wires, connectors, wrapping tapes and other auxiliary materials, is a carrier for controlling automobile electric signals, is complex in structure and diversified in function, and is called as the automobile nerve of the whole automobile. Automotive wiring harnesses are one of the most critical components in the interior of an automobile, and the quality, safety and reliability of the automotive wiring harnesses have a significant impact on the quality of the automobile. If the wiring harness fails, signal transmission failure can be caused, and the functional equipment loses the function; or a contact resistance excessive heating fire; or short circuit misfire; or the insulating layer fails and leaks electricity. Therefore, in order to ensure the quality, safety and reliability of the automobile wire harness, the detection on the automobile wire harness production line or before the use of the user is very important.

At present, traditional pencil examines test table and can only detect high pressure or detect the low pressure, can't realize high-low pressure simultaneous detection, need adopt two pencil to examine test table and detect, and a high low pressure conversion equipment is needed urgently now, makes the pencil examine test table can realize detecting the pencil high-low pressure simultaneously.

Disclosure of Invention

In view of the above problems, the present invention provides a high/low voltage switching device for a wire harness of an automobile, which is used for performing high/low voltage switching detection on the wire harness to overcome the above disadvantages of the prior art.

The invention provides a high-low voltage conversion device of an automobile wire harness high-low voltage detection platform, which comprises: the device comprises a platform seat, an upper base, a lower base, a cylinder fixing seat, a cylinder and a position detection block; the upper base is arranged at one end of the platform base through a base fixing strip, the air cylinder fixing base is arranged at the other end of the platform base through a base fixing strip, the air cylinder is arranged on the air cylinder fixing base, two groups of guide posts are horizontally arranged on the air cylinder fixing base, two groups of guide sleeves are arranged at the positions, corresponding to the guide posts, on the lower base, the lower base is slidably connected onto the guide posts through the two groups of guide sleeves, a support plate is arranged on a piston rod of the air cylinder and fixedly connected with the lower base through a group of support rods, the air cylinder pushes the lower base to reciprocate through the support plate, the upper base is arranged in parallel with the lower base, a plurality of mounting holes are respectively formed in the upper base and the lower base, needle library groups are arranged in the mounting holes, conducting probes are respectively arranged in the needle library groups on the upper base and the lower base, and after, the conduction probes on the upper base and the lower base are mutually contacted and communicated, when the upper base is separated from the lower base, the conduction probe of the upper base is separated from the conduction probe of the lower base, and the conduction probe of the upper base is used for detecting high voltage (a high-voltage detector is controlled by a high-voltage adapter plate to carry out high-voltage detection), when the upper base is combined with the lower base, the conduction probe of the upper base is contacted with the conduction probe of the lower base, and the conduction probe of the upper base is used for detecting low voltage (low-voltage detection is carried out by; the position detection piece is used for detecting the motion position of base down, the position detection piece comprises position detection piece A, position detection piece B and position detection piece C, position detection piece A installs on base down, position detection piece B and position detection piece C install on platform seat and lie in the both sides of base, be provided with two trigger switch needle storehouses on the position detection piece A, two trigger switch needle storehouses all are provided with the trigger switch needle, all be provided with a trigger switch needle storehouse on position detection piece B and the position detection piece C constitute, be provided with the trigger switch needle in the trigger switch needle storehouse.

Preferably, the needle library group on the upper base is respectively connected with the module to be detected and a high-voltage adapter plate (a high-voltage relay plate, and the high-voltage relay plate is provided with an on-off function) in parallel, the high-voltage adapter plate is further connected with a PLC (programmable logic controller) of an automobile wire harness high-low voltage detection table, the needle library group on the lower base is connected with a low-voltage adapter plate (400B2 adapter plate), and the low-voltage adapter plate is connected with a low-voltage detector; one trigger switch needle on the position detection module A is connected with the high-voltage detector, the other trigger switch needle is connected with the low-voltage detector, the position information of the position detection module is read through a high-low voltage detection system in the industrial personal computer, the position detection module B is connected with the high-voltage detector, the position detection module C is connected with the low-voltage detector, and the PLC of the automobile wire harness high-low voltage detection platform controls the cylinder to act according to the position information detected by the position detection module.

Preferably, the conduction probes arranged in the needle bank group on the upper base are round-head-shaped, the round-head-shaped conduction probes are in threaded connection with the interior of the needle bank group, the conduction probes arranged in the needle bank group on the lower base are in quincunx shape, and the quincunx-shaped conduction probes are in threaded connection with the interior of the needle bank group.

Preferably, the upper base is made of POM, the number of the mounting holes in the upper base is 128, the upper base is rectangular plate-shaped, the needle magazine group is mounted in the mounting holes in the horizontal direction, glass plates are arranged on the left side, the right side and the upper side of the upper base, and dust and moisture are prevented through the glass plates.

Preferably, the lower base is made of bakelite, the number of the mounting holes in the lower base is 128, the lower base is rectangular plate-shaped, the needle magazine group is mounted in the mounting holes in the horizontal direction, guide sleeve through holes are formed in four corners of the lower base, the guide sleeves are mounted in the guide sleeve through holes, the two groups of guide columns are mounted at the four corners of the cylinder fixing seat, and the four guide sleeves are respectively sleeved in the four guide columns.

Preferably, the material of platform seat is bakelite, the platform seat is rectangle platelike structure, go up base, lower base, cylinder fixing base and all install perpendicularly on the platform seat, switch on probe and guide pillar all with platform seat parallel arrangement.

The invention has the advantages and positive effects that:

1. the high-low voltage conversion device solves the limitation that the traditional wire harness detection table can only carry out high-voltage detection or low-voltage detection, realizes that one wire harness high-low voltage detection table can detect high-low voltage states of a wire harness, and can ensure the accuracy and the safety of the high-low voltage conversion process.

2. The high-low voltage conversion device is provided with two groups of position detection blocks with double safety functions, namely the position detection block A is a group with two trigger switch needles, the position detection block B and the position detection block C are a group with one trigger switch needle, and the position detection block A, the position detection block B and the position detection block C are respectively connected with a PLC (programmable logic controller) and a high-voltage adapter plate of an automobile wire harness high-low voltage detection table, so that the conversion process of the high-low voltage conversion device is more accurate.

3. According to the invention, the conduction probes of the upper base and the lower base are respectively in a round head shape and a quincunx shape, so that the conduction probes are more accurate in the butt joint process and have better effect.

Drawings

Other objects and results of the present invention will become more apparent and more readily appreciated as the same becomes better understood by reference to the following description taken in conjunction with the accompanying drawings. In the drawings:

fig. 1 is an exploded view of the overall structure according to an embodiment of the present invention.

Fig. 2 is a front view of the overall structure according to an embodiment of the present invention.

Fig. 3 is a cross-sectional view of the overall structure according to an embodiment of the present invention.

Fig. 4 is a schematic diagram according to an embodiment of the invention.

Wherein the reference numeral 1 includes: the device comprises a platform base 1, an upper base 2, a lower base 3, a cylinder fixing base 4, a cylinder 5, a base fixing strip 6, a guide pillar 7, a guide sleeve 8, a supporting plate 9, a supporting rod 10, a mounting hole 11, a needle library group 12, a plum blossom probe 13, a round head probe 14, a glass plate 15 and a position detection block A, B, C.

Detailed Description

In the following description, for purposes of explanation, numerous specific details are set forth in order to provide a thorough understanding of one or more embodiments. It may be evident, however, that such embodiment(s) may be practiced without these specific details. In other instances, well-known structures and devices are shown in block diagram form in order to facilitate describing one or more embodiments.

Referring to fig. 1-3, the invention provides a high-low voltage conversion device for a vehicle wire harness high-low voltage detection platform, comprising: the device comprises a platform base 1, an upper base 2, a lower base 3, a cylinder fixing base 4, a cylinder (SDA32 multiplied by 15)5 and a position detection block (sensor); the upper base 2 is arranged at one end of the platform base 1 through a base fixing strip 6, the air cylinder fixing seat 4 is arranged at the other end of the platform base 1 through the base fixing strip 6, the air cylinder 5 is arranged on the air cylinder fixing seat 4, two groups of four guide posts 7 are arranged on the air cylinder fixing seat 4 along the horizontal direction, two groups of four guide sleeves 8 are arranged on the lower base 3 corresponding to the guide posts 7, the lower base 3 is connected on the guide posts 7 through two groups of guide sleeves 8 in a sliding manner, a support plate 9 is arranged on a piston rod of the air cylinder 5, the support plate 9 is fixedly connected with the lower base 3 through a group of two support rods 10, the air cylinder 5 pushes the lower base 3 to move between the upper base 2 and the air cylinder fixing seat 4 through the support plate 9, the upper base 2 is arranged in parallel with the lower base 3, and a plurality of mounting holes 11 are arranged on the, the needle library groups 12 are installed in the installation holes 11, conducting probes (a plum blossom probe 13 and a round head probe 14) are arranged in the needle library groups 12 on the upper base 2 and the lower base 3, after the lower base 3 moves to a limit position, the conducting probes on the upper base 2 and the lower base 3 are contacted and communicated with each other, when the upper base 2 is separated from the lower base 3, the conducting probe of the upper base 2 is separated from the conducting probe of the lower base 3, the high voltage is detected at the moment, when the upper base 2 is combined with the lower base 3, the conducting probe of the upper base 2 is contacted with the conducting probe of the lower base 3, and the low voltage is detected at the moment; the position detection piece is used for detecting the kinematic position of base 3 down, the position detection piece comprises position detection piece A, position detection piece B and position detection piece C, position detection piece A installs on base 3 down, position detection piece B and position detection piece C install on platform seat 1 and lie in the both sides of base 2, be provided with two probe storehouses on the position detection piece A, two probe storehouses all are provided with the trigger switch needle, all be provided with a trigger switch needle storehouse on position detection piece B and the position detection piece C constitute, be provided with the trigger switch needle in the probe storehouse.

In the embodiment, the needle library group 12 on the upper base 2 is respectively connected with a module to be detected and a high-voltage adapter plate (a high-voltage relay plate, which has an on-off function), in parallel, the high-voltage adapter plate is connected with a PLC (programmable logic controller) of an automobile wire harness high-low voltage detection table, the needle library group 12 on the lower base 3 is connected with a low-voltage adapter plate (400B2 adapter plate), and the low-voltage adapter plate is connected with a low-voltage detector; one trigger switch needle on the position detection module A is connected with the high-voltage detector, the other trigger switch needle is connected with the low-voltage detector, the position information of the position detection module is read by a high-low voltage detection system in the industrial personal computer, the position detection module B is connected with a high-voltage detector, the position detection module C is connected with a low-voltage detector (the position detection module B and the position detection module C realize the same functions as the position detection module A, double detection is realized, the accuracy is increased), the PLC of the automobile wire harness high-low voltage detection platform controls the cylinder 5 to act according to the position information detected by the position detection module, wherein, the detection system of the automobile wire harness high-low voltage detection platform reads the state of the trigger switch pin in the position detection module, when the situation that the position is not right in the high-pressure area or the low-pressure area is detected, the detection system sends a signal to the PLC, and the PLC controls the cylinder 5 to drive the lower bottom plate 3 to reach a correct detection position through the two-position five-way electromagnetic valve.

The probe that switches on that sets up in the needle storehouse group 12 on the upper base 2 in this embodiment is button head probe 14, button head probe 14 threaded connection be in the needle storehouse group 12, the probe that switches on that sets up in the needle storehouse group 12 on the lower base 3 is plum blossom probe 13, plum blossom probe 13 threaded connection be in the needle storehouse group 12.

The material of the upper base 2 in this embodiment is POM, the mounting hole on the upper base 2 is 128, and the shape of the upper base 2 is rectangular plate-like, the needle magazine group 12 is installed in the mounting hole 11 along the horizontal direction, the left and right sides and the top of the upper base 2 are all provided with glass plates 15, and dust and moisture are prevented through the glass plates 15.

In this embodiment, the lower base 3 is made of bakelite, the number of the mounting holes on the lower base 3 is 128, the lower base 3 is rectangular plate-shaped, the magazine group 12 is horizontally mounted in the mounting hole 11, guide sleeve through holes 16 are formed in four corner positions of the lower base 3, the guide sleeves 8 are mounted in the guide sleeve through holes 16, the two guide columns 7 are mounted in the four corner positions of the cylinder fixing base 4, and the four guide sleeves 8 are respectively sleeved in the four guide columns 7.

The material of platform base 1 in this embodiment is bakelite, platform base 1 is rectangular plate structure, go up base 2, lower base 3, cylinder fixing base 4 and all install perpendicularly on platform base 1, switch on probe and guide pillar 7 all with platform base 1 parallel arrangement.

The working principle is as follows: when the module carries out high-voltage detection, plum blossom probe 13 among the conversion equipment, round-head probe 14 separation, two trigger switch needles on position detection module A on lower base 3 detect the position state between upper base 2 and lower base 3, and carry out the reexamination through detection module B and detection module C, and with information transfer to the PLC of high-voltage conversion board and car pencil high-low pressure detection platform, the PLC of car pencil high-low pressure detection platform is according to the break-make of information control high-voltage conversion board again, at this moment, the PLC of car pencil high-low pressure detection platform carries out high-voltage detection to the module through corresponding electrical apparatus (expand module, input module, the detection components and parts that PLC controlled), wherein, because plum blossom probe 13, round-head probe 14 separation, the separation distance is 10mm, can ensure the safety of low-voltage detection components and parts (low-voltage detector), realize low-voltage protection.

When the module carries out low-voltage detection, a plum-blossom probe 13 and a round-head probe 14 in the conversion device are combined, two trigger switch needles on a position detection module A on a lower base 3 detect the position state between an upper base 2 and the lower base 3, and the position state is rechecked through a detection module B and a detection module C and information is transmitted to a high-voltage adapter plate and a PLC of an automobile wire harness high-low voltage detection table, the PLC of the automobile wire harness high-low voltage detection table controls the on-off of the high-voltage adapter plate according to the information, and at the moment, the PLC of the automobile wire harness high-low voltage detection table carries out low-voltage detection on the module through a corresponding electric appliance;

when the accessory of module only need carry out the low pressure and examine time measuring, the PLC control module of car pencil high-low pressure detection platform is direct to be connected with the low pressure detector through the low pressure keysets, carries out the low pressure and detects.

The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and the changes or substitutions should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims (6)

1. Platform-high-low pressure conversion equipment is examined to car wiring harness high-low pressure, its characterized in that includes: the device comprises a platform seat, an upper base, a lower base, a cylinder fixing seat, a cylinder and a position detection block; the upper base is arranged at one end of the platform base through a base fixing strip, the air cylinder fixing base is arranged at the other end of the platform base through a base fixing strip, the air cylinder is arranged on the air cylinder fixing base, two groups of guide posts are horizontally arranged on the air cylinder fixing base, two groups of guide sleeves are arranged at the positions, corresponding to the guide posts, on the lower base, the lower base is slidably connected onto the guide posts through the two groups of guide sleeves, a support plate is arranged on a piston rod of the air cylinder and fixedly connected with the lower base through a group of support rods, the air cylinder pushes the lower base to reciprocate through the support plate, the upper base is arranged in parallel with the lower base, 128 mounting holes are respectively formed in the upper base and the lower base, needle magazine groups are arranged in the mounting holes, conducting probes are respectively arranged in the needle magazine groups on the upper base and the lower base, and after the lower, the conduction probes on the upper base and the lower base are mutually contacted and communicated, when the upper base is separated from the lower base, the conduction probe of the upper base is separated from the conduction probe of the lower base, and the conduction probe of the upper base is used for detecting high voltage at the moment; the utility model discloses a platform base, including base, position detection piece, platform seat, position detection piece and position detection piece, the position detection piece is used for detecting the kinematic position of base down, the position detection piece comprises position detection piece A, position detection piece B and position detection piece C, position detection piece A installs on base down, position detection piece B and position detection piece C install on the platform seat and lie in the both sides of base, be provided with two probe storehouses on the position detection piece A, two probe storehouses all are provided with the trigger switch needle, position detection piece B and position detection piece C all are provided with a trigger switch needle storehouse on constitu.

2. The automotive wiring harness high-low voltage detection table-high-low voltage conversion device as claimed in claim 1, wherein the needle bank group on the upper base is respectively connected with the module to be detected and the high-voltage adapter plate in parallel, the high-voltage adapter plate is further connected with a PLC of the automotive wiring harness high-low voltage detection table, the needle bank group on the lower base is connected with the low-voltage adapter plate, and the low-voltage adapter plate is connected with the low-voltage detector; one trigger switch needle on the position detection module A is connected with the high-voltage detector, the other trigger switch needle is connected with the low-voltage detector, the position information of the position detection module is read through a high-low voltage detection system in the industrial personal computer, the position detection module B is connected with the high-voltage detector, the position detection module C is connected with the low-voltage detector, and the PLC of the automobile wire harness high-low voltage detection platform controls the cylinder to act according to the position information detected by the position detection module.

3. The automotive wiring harness high and low voltage detection table-high and low voltage conversion device as claimed in claim 1, wherein the conduction probes arranged in the magazine group on the upper base are round-headed, the round-headed conduction probes are in threaded connection with the magazine group, the conduction probes arranged in the magazine group on the lower base are in quincunx, and the quincunx conduction probes are in threaded connection with the magazine group.

4. The automotive wiring harness high-low voltage detection table-high-low voltage conversion device as claimed in claim 1, wherein the upper base is made of POM, the upper base is in a rectangular plate shape, the needle magazine group is horizontally installed in the installation hole, glass plates are arranged on the left side, the right side and the upper side of the upper base, and dust and moisture are prevented through the glass plates.

5. The automotive wiring harness high-low voltage detection table-high-low voltage conversion device as claimed in claim 1, wherein the lower base is made of bakelite, the lower base is shaped like a rectangular plate, the needle library set is horizontally installed in the installation hole, guide sleeve through holes are formed in four corner positions of the lower base, the guide sleeves are installed in the guide sleeve through holes, two sets of guide posts are installed at four corner positions of the cylinder fixing base, and the four guide sleeves are respectively sleeved in the four guide posts.

6. The automotive wiring harness high-low voltage detection table-high-low voltage conversion device as claimed in claim 1, wherein the platform base is made of bakelite, the platform base is of a rectangular plate-shaped structure, the upper base, the lower base and the cylinder fixing base are vertically mounted on the platform base, and the conduction probe and the guide pillar are arranged in parallel with the platform base.

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