CN216387335U

CN216387335U - Testing device for wire harness of frequency converter

Info

Publication number: CN216387335U
Application number: CN202122900171.8U
Authority: CN
Inventors: 葛振宇; 张华�
Original assignee: Kunshan Kaiying Electronics Co ltd
Current assignee: Kunshan Kaiying Electronics Co ltd
Priority date: 2021-11-24
Filing date: 2021-11-24
Publication date: 2022-04-26
Anticipated expiration: 2031-11-24

Abstract

The utility model relates to a testing device for a wire harness of a frequency converter, which comprises a base, wherein two groups of socket holes are formed in the base, probe leads are respectively inserted into the two groups of socket holes, the probe leads inserted into one group of socket holes are embedded into the socket holes to form a socket female head, the probe leads inserted into the other group of socket holes protrude out of the socket holes to form a socket male head, each probe lead comprises a lead and a probe arranged at one end of the lead, the probe is a spring needle, and the other end of the lead is connected into a connecting terminal connected with a testing instrument. This application can be convenient for carry out the test of different converter pencil according to the probe lead wire of the terminal adjustment base department of converter pencil, improves testing arrangement's universality, can realize whether target in place to the terminal department of converter pencil simultaneously, and detection effect is better.

Description

Testing device for wire harness of frequency converter

Technical Field

The utility model relates to a testing device for a frequency converter wire harness.

Background

The wire harness of the frequency converter is a key wire harness for transmitting control signals and electric signals inside the frequency converter, and is a component for forming a connecting circuit by bundling a contact terminal (connector) which is usually punched by a copper material and is pressed with a wire cable, and then molding and pressing an insulator or adding a metal shell outside the contact terminal. The testing device is used for testing a wire harness of a frequency converter, a special testing instrument is arranged at present, and when the wire harness is in butt joint with the testing instrument, a special connector or a connecting jig is adopted for butt joint, so that the tests in the aspects of conducting wire conductivity, impedance, voltage resistance and the like are completed, but the testing device is of a through plate type aiming at the connector at present, and no corresponding testing head exists in the industry.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a testing device for a frequency converter wire harness, which can adjust a probe lead at a base according to a terminal of the frequency converter wire harness, is convenient for testing different frequency converter wire harnesses, improves the universality of the testing device, can realize whether the terminal of the frequency converter wire harness is in place or not, and has a better detection effect.

In order to achieve the purpose, the utility model adopts the technical scheme that:

the utility model provides a testing arrangement for converter pencil, includes the base, two sets of row's of inserting holes have been seted up on the base, and two sets of row's of inserting holes are inserted respectively and are equipped with the probe lead wire, and wherein, the probe lead wire that inserts and establish in a group row's of inserting hole inlays and establishes and constitute grafting female head in the row's of inserting hole, and the probe lead wire that inserts and establish in another group row's of inserting hole is outstanding in inserting the row's of inserting hole constitution grafting male head, and every probe lead wire includes the wire, sets up the probe in wire one end, the probe adopts the pogo pin, and the other end of wire inserts the connecting terminal that links to each other with test instrument.

For the above technical solution, the applicant has further optimization measures.

Optionally, the base includes the bakelite board of bottom, fixes the rubber tool on the bakelite board, the row's of inserting hole on the rubber tool sets up along the width direction of rubber tool, constitutes dislocation set two groups of row's of inserting hole.

Furthermore, slots are formed in the positions, corresponding to the two groups of the socket holes, of the rubber jig, and a transparent cover plate is fixed to the surface of the rubber jig.

Optionally, a protective housing is arranged at the male plug, and a positioning strip for butting a female terminal of a frequency converter wiring harness is arranged on the inner side of the protective housing.

Due to the application of the technical scheme, compared with the prior art, the utility model has the following advantages:

according to the testing device for the frequency converter wire harness, the position of the probe lead at the base can be adjusted according to the terminal arrangement of the frequency converter wire harness, so that the convenience and the practicability of detection are improved, the rapid butt joint of the wire harness and the testing device is facilitated, the adopted spring needle is used as the probe, the reliable electric connection between the probe and the terminal can be ensured only when the terminal at the end of the frequency converter wire harness is abutted against the probe and pushed to be in place, and the test on the terminal plugging reliability can be realized while the electrical performance test of the wire harness is performed.

Drawings

Some specific embodiments of the utility model will be described in detail hereinafter, by way of illustration and not limitation, with reference to the accompanying drawings. The same reference numbers in the drawings identify the same or similar elements or components. Those skilled in the art will appreciate that the drawings are not necessarily drawn to scale. In the drawings:

FIG. 1 is a schematic structural diagram of a testing device for a frequency converter wiring harness according to one embodiment of the present invention;

fig. 2 is a schematic structural view of a probe pin in the testing apparatus shown in fig. 1.

Wherein the reference numerals are as follows:

1. the device comprises a base 11, a bakelite plate 12, a rubber jig 13, a socket hole 14, a slot 15 and a transparent cover plate;

2. probe lead, 21, connecting terminal, 22, lead, 23, probe;

31. outer sleeve, 32, inner sleeve, 33, return spring.

Detailed Description

The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or component being referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In addition, the technical features involved in the different embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.

This embodiment describes a testing device for a frequency converter wire harness, as shown in fig. 1, including a base 1, two groups of socket holes 13 are opened on the base 1, two groups of socket holes 13 are respectively inserted with a probe 23 lead 2, wherein, the probe 23 lead 2 inserted in one group of socket holes 13 is inserted in the socket holes 13 to form a socket female, the probe 23 lead 2 inserted in the other group of socket holes 13 protrudes out of the socket holes 13 to form a socket male, each probe 23 lead 2 includes a wire 22 and a probe 23 arranged at one end of the wire 22, the probe 23 is a pogo pin, and the other end of the wire 22 is connected to a connection terminal 21 connected to a testing instrument. As shown in FIG. 2, the pogo pin has a double-sleeve copper tube structure, which includes a cylindrical outer sleeve 31 and an inner sleeve 32, wherein the outer sleeve 31 has a cylindrical cavity in the middle, the inner sleeve 32 is sleeved in the cylindrical cavity, and the inner sleeve 32 has a return spring 33 at the bottom.

Specifically speaking, the base 1 includes the bakelite plate 11 of bottom, fixes the rubber tool 12 on the bakelite plate 11, the row of inserting hole 13 on the rubber tool 12 sets up along the width direction of rubber tool 12, constitutes dislocation set two groups of row of inserting hole 13 rubber tool 12 is last to be corresponding to two groups the slot 14 has been seted up to the position in row of inserting hole 13, and the fixed surface of rubber tool 12 has transparent cover 15.

In addition, the male plug is provided with a protective cover shell, and the inner side of the protective cover shell is provided with a positioning strip for butting the female terminal of the frequency converter wiring harness.

To sum up, the testing arrangement for converter pencil of this embodiment, it can arrange the position that sets up probe 23 lead wire 2 of 1 department of adjustment base according to the terminal of converter pencil to improve the convenience and the practicality that detect, be convenient for carry out pencil and testing arrangement and carry out quick butt joint, and the spring needle that adopts is as probe 23, only can guarantee the reliable electricity between probe 23 and the terminal and be connected when the terminal butt probe 23 of converter pencil end department and the circumstances that the top pushed away targets in place under, so can realize the test to terminal grafting reliability when carrying out the electrical property test of pencil.

The above embodiments are merely illustrative of the technical concept and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the content of the present invention and implement the utility model, and not to limit the scope of the utility model, and all equivalent changes or modifications made according to the spirit of the present invention should be covered by the scope of the present invention.

Claims

1. The utility model provides a testing arrangement for converter pencil, its characterized in that, includes the base, seted up two groups row of inserting holes on the base, two groups row of inserting holes are inserted respectively and are equipped with the probe lead wire, and wherein, the probe lead wire that inserts and establish in a group row of inserting holes inlays and establishes and constitute grafting female head in inserting the row of holes, and the probe lead wire that inserts and establish in another group row of inserting holes is outstanding in inserting the row of holes and constitutes the public head of pegging graft, and every probe lead wire includes the wire, sets up the probe in wire one end, the probe adopts the pogo pin, and the other end of wire inserts the connecting terminal that links to each other with test instrument.

2. The testing device for the frequency converter wire harness as claimed in claim 1, wherein the base comprises a bottom bakelite plate and a rubber jig fixed on the bakelite plate, and the socket holes on the rubber jig are arranged along the width direction of the rubber jig to form the two sets of socket holes which are arranged in a staggered manner.

3. The device as claimed in claim 2, wherein slots are formed on the rubber jig at positions corresponding to the two sets of the socket holes, and a transparent cover plate is fixed on the surface of the rubber jig.

4. The testing device for the frequency converter wire harness as claimed in claim 1, wherein a protective housing is provided at the plug male head, and a positioning strip for butting a female terminal of the frequency converter wire harness is provided on the inner side of the protective housing.