CN114441814A - Precision transmission conduction test fixture and test method thereof - Google Patents
Precision transmission conduction test fixture and test method thereof Download PDFInfo
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- CN114441814A CN114441814A CN202210036672.2A CN202210036672A CN114441814A CN 114441814 A CN114441814 A CN 114441814A CN 202210036672 A CN202210036672 A CN 202210036672A CN 114441814 A CN114441814 A CN 114441814A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
- G01R1/02—General constructional details
- G01R1/06—Measuring leads; Measuring probes
- G01R1/067—Measuring probes
- G01R1/073—Multiple probes
Abstract
The invention discloses a precision transmission conduction test fixture and a test method thereof, wherein the test fixture comprises a base, a first test module, a second test module and a pressing module; the first test module comprises a support, a probe module and a first test lead, the support is movably arranged on the base, the probe module is provided with a plurality of probes, the support is provided with an opening, and the probes are positioned on the lower side of the opening; the second test module is provided with a socket and a second test lead; the pressing module comprises a pressing block and an operation assembly, and the pressing block is positioned above the bracket; so, through the design of each module, arrange the terminal part in the support and recycle the pressure and hold the module and move down the terminal part so that terminal part and probe conductive connection, in the other end plug of wire rod inserted the socket, guaranteed that the conductive connection between the terminal part of wire rod and test fixture's the probe is stable to improved the precision of wire rod test, structural design is simple, and is ingenious reasonable, the operation location is simple, convenient to use, the practicality is strong, application scope is wide.
Description
Technical Field
The invention relates to the technical field of jigs, in particular to a precision transmission conduction testing jig and a testing method thereof.
Background
At present, various electronic products are often required to be used in modern life, and the electronic products need to use wires for data connection, electric energy transmission and other operations; the wire needs to be tested before being in plug contact with an electronic product so as to avoid the problem of the wire and enable the wire to be out of use due to failure in the use process; the wire material is mainly tested by conduction/transmission test, namely, the electrical conduction performance of the wire material in the processing process is tested through the test points, so that whether the whole wire is welded or end-pressed successfully is judged, and the test jig is a main tool for assisting in completing the test.
The existing test jigs are all arranged on a test machine, and the test machine is started to carry out test operation on the wire rod to be tested by positioning the wire rod to be tested on the test jigs; however, the test fixture is complex in structural design, the positioning operation of the test fixture and the wire rod is frequent, the conduction connection performance between the probe of the test fixture and the terminal of the wire rod to be tested is poor, the test precision is seriously influenced due to long-term frequent test use, the practicability is not strong, and the application range is small.
Therefore, a new technical solution is needed to solve the above problems.
Disclosure of Invention
In view of the above, the present invention provides a precision transmission conduction test fixture and a test method thereof, which are designed through modules to ensure stable conduction connection between a terminal portion of a wire and a probe of the test fixture, so as to improve the precision of wire testing, and have the advantages of simple operation and positioning, convenient use, strong practicability, and wide application range.
In order to achieve the purpose, the invention adopts the following technical scheme:
a precision transmission conduction test fixture comprises a base, a first test module, a second test module and a pressing module, wherein the first test module, the second test module and the pressing module are arranged on the base; wherein: the first test module comprises a support, a probe module and a first test wire, the support is movably arranged on the base, the probe module is arranged on the lower side of the support, the probe module is provided with a plurality of probes arranged at intervals, the support is provided with an opening corresponding to the probes, the probes are positioned on the lower side of the opening, the probes can be selectively exposed out of the opening or hidden in the opening under the control of the support, and the first test wire is arranged in the base and connected to the lower end of the probes; the second test module is positioned beside the first test module and is provided with a socket and a second test lead; the pressing module is arranged on one side of the first testing module and comprises a pressing block and an operating assembly for controlling the pressing block to move up and down, the pressing block is located above the support, the terminal portion of the wire is placed at the opening of the support, and the pressing block moves down to press the wire and is linked with the support to move down, so that the terminal portion is in conductive connection with the probe.
As a preferred scheme, the support is including the movable part, reset and spliced pole all are provided with two, and two reset about the piece interval formula arrange in the inside of base, the lower extreme of two spliced poles pass the base and connect respectively on two reset pieces, the lower extreme of spliced pole exposes in the downside that resets, and the upper end of two spliced poles all is connected in the lower extreme left and right sides of movable part, the opening sets up on the movable part.
As an optimal scheme, the probe module is including the installed part, and a plurality of probes are controlled interval formula and are arranged on the installed part, the installed part sets up in the inside of base, the base corresponds the probe and has seted up the hole of dodging, and the upper end of a plurality of probes exposes from corresponding hole of dodging.
Preferably, the mounting member is detachably disposed on the base.
As a preferred scheme, the second testing module is arranged on the left side of the first testing module and comprises a testing die holder, the testing die holder is arranged on the base, the socket is arranged at the front end of the testing die holder, and the second testing lead is connected to the testing die holder in a conduction mode.
As a preferred scheme, the module is held to the pressure and is set up in the rear side of first test module, the operating element is including connecting plate, handle seat, handle, connecting piece and linkage, be provided with the mounting panel on the base, the connecting plate sets up in the front end of mounting panel, the handle seat sets up in the front end of connecting plate, the handle is rotary type about can setting up on the handle seat, the both ends of connecting piece are connected respectively in handle, linkage, the briquetting sets up in the lower extreme of linkage.
As a preferred scheme, still including axle sleeve and guide post, the guide post is vertical to be set up on the base and to be located the front side of mounting panel, the mounting panel has the location portion that extends the setting forward, the lower extreme of location portion is fixed in to the upper end of guide post, and its lower extreme is fixed in on the base, the axle sleeve sets up on the briquetting and the cover locates the outside of guide post, and the axle sleeve is along with the displacement of briquetting displacement on the guide post.
Preferably, the handle is provided with a protective sleeve.
As an optimal scheme, the connecting plate is arranged on the mounting plate in an up-and-down adjustable mode, the connecting plate is provided with connecting holes, the mounting plate is provided with adjusting holes extending from top to bottom, and the mounting part is further arranged and is sequentially connected with the adjusting holes and the connecting holes from back to front so as to realize fixed connection between the mounting plate and the connecting plate.
A method of testing, comprising the steps of:
the method comprises the following steps: connecting a first test lead and a second test lead to a test machine;
step two: placing the terminal part at one end of the wire on the movable part and exposing the terminal part at the upper end of the opening;
step three: the control handle is linked with the pressing block to move downwards so that the terminal part is in conductive connection with the probe;
step four: inserting the other end joint of the wire rod on the inserting opening;
step five: the tester is started to test the wire.
Compared with the prior art, the wire testing fixture has the advantages that the wire testing fixture has obvious advantages and beneficial effects, particularly, according to the technical scheme, the terminal part is arranged on the support, the terminal part is moved downwards by the pressing and holding module to be in conductive connection with the probes, the plug at the other end of the wire is inserted into the socket, and the conductive connection between the terminal part of the wire and the probes of the testing fixture is guaranteed to be stable, so that the wire testing precision is improved;
secondly, the arrangement of the movable part, the reset piece and the connecting column is beneficial to the up-and-down displacement operation of the bracket, the stable use of the bracket is ensured, meanwhile, the detachable arrangement of the mounting piece is beneficial to the disassembly and assembly replacement of the probe module, and the service life of the test fixture is prolonged;
and, the setting of axle sleeve and guide post is favorable to the stability of briquetting displacement operation from top to bottom, and simultaneously, the adjustable setting of connecting plate is favorable to test fixture to the regulation of the dynamics of holding of pressing between the terminal part of different wire rods that await measuring and the probe, has avoided the briquetting to press the too big probe that leads to of dynamics of holding to damage, leads to test fixture to be unable, and usability is good.
To more clearly illustrate the structural features and effects of the present invention, the present invention will be described in detail below with reference to the accompanying drawings and specific embodiments.
Drawings
FIG. 1 is a first perspective view of an embodiment of the present invention;
FIG. 2 is a first partially enlarged schematic view of an embodiment of the invention;
FIG. 3 is a second enlarged partial schematic view of an embodiment of the present invention;
fig. 4 is a second perspective view of the embodiment of the present invention.
The attached drawings indicate the following:
10. base 11, base
111. Chamber 112, first outlet
12. Top cover 121, dodge hole
13. Mounting plate 131, adjusting hole
132. Positioning part 14, attachment
20. First test module 21, support
211. Movable part 212 and connecting column
213. Opening 22 and probe module
221. Probe 30 and second test module
31. Test die holder 32, socket
40. Pressing module 41 and pressing block
42. Connecting plate 421, connecting hole
43. Handle seat 44, handle
441. Protective sleeve 45 and connecting piece
46. Linkage 47, axle sleeve
48. And a guide post.
Detailed Description
Referring to fig. 1 to 4, specific structures of the embodiments of the present invention are shown.
A precision transmission conduction test fixture comprises a base 10, a first test module 20, a second test module 30 and a pressing module 40, wherein the first test module 20, the second test module 30 and the pressing module 40 are arranged on the base 10; wherein:
the first testing module 20 includes a support 21, a probe 221 module 22 and a first testing wire (not shown), the support 21 is movably disposed on the base 10, the probe 221 module 22 is disposed on the lower side of the support 21, the probe 221 module 22 has a plurality of probes 221 arranged at intervals, the support 21 has an opening 213 corresponding to the probe 221, the probe 221 is located on the lower side of the opening 213, the probe 221 can be selectively exposed out of the opening 213 or hidden in the opening 213 under the control of the support 21, and the first testing wire is disposed in the base 10 and connected to the lower end of the probe 221;
the second testing module 30 is located beside the first testing module 20, the second testing module 30 has a socket 32 and a second testing wire (not shown);
the pressing module 40 is arranged at one side of the first testing module 20, the pressing module 40 comprises a pressing block 41 and an operating component for controlling the pressing block 41 to move up and down, and the pressing block 41 is positioned above the bracket 21; when the device is used, the terminal part of the wire is placed at the opening 213 of the bracket 21, the pressing block 41 moves downwards to press and hold the wire and the bracket 21 moves downwards in a linkage manner, so that the conductive connection between the terminal part and the probe 221 is realized; so, through the design of each module, arrange the terminal part in support 21 and recycle and press and hold module 40 and move down the terminal part so that terminal part and probe 221 conductive connection, the other end plug of wire rod inserts in socket 32, it is stable to have guaranteed the conductive connection between the terminal part of wire rod and test fixture's probe 221, thereby the precision of wire rod test has been improved, and simultaneously, test fixture's modular design, the dismouting that is favorable to test fixture removes, so that test fixture's use on different test machines, structural design is simple, it is ingenious reasonable, the operation location is simple, high durability and convenient use, therefore, the clothes hanger is strong in practicability, and wide application scope.
The bracket 21 comprises a movable part 211, two reset pieces and two connecting columns 212, the two reset pieces and the two connecting columns 212 are arranged in the base 10 at a left-right interval, the lower ends of the two connecting columns 212 penetrate through the base 10 and are respectively connected to the two reset pieces, the lower ends of the connecting columns 212 are exposed out of the lower sides of the reset pieces, the upper ends of the two connecting columns 212 are respectively connected to the left side and the right side of the lower end of the movable part 211, and the opening 213 is arranged on the movable part 211; preferably, the upper end of the movable portion 211 is provided with a recess for placing the positioning terminal portion, and the recess is located at the upper front side of the opening 213.
In addition, the probe 221 module 22 includes a mounting part 14, the plurality of probes 221 are arranged on the mounting part 14 in a left-right spacing manner, the mounting part 14 is arranged inside the base 10, the base 10 is provided with avoiding holes 121 corresponding to the probes 221, and the upper ends of the plurality of probes 221 are exposed from the corresponding avoiding holes 121; here, the mounting component 14 is detachably disposed on the base 10, and one of the mounting component 14 and the base 10 is provided with a buckling portion, and the other is provided with a buckling hole, and the buckling portion is adapted to be positioned in the buckling hole to realize the buckling connection between the mounting component 14 and the base 10; therefore, the probe 221 module 22 can be easily disassembled and replaced, and the service life of the test fixture is prolonged.
The second testing module 30 is disposed on the left side of the first testing module 20, the second testing module 30 includes a testing mold base 31, the testing mold base 31 is disposed on the base 10, the socket 32 is disposed at the front end of the testing mold base 31, and the second testing lead is connected to the testing mold base 31 in a conduction manner.
And, the module 40 is held in the pressure sets up in the rear side of first test module 20, the operating element is including connecting plate 42, handle seat 43, handle 44, connecting piece 45 and linkage 46, be provided with mounting panel 13 on the base 10, connecting plate 42 sets up in the front end of mounting panel 13, handle seat 43 sets up in the front end of connecting plate 42, the handle 44 is the rotary type from top to bottom and sets up on handle seat 43, the both ends of connecting piece 45 are connected respectively in handle 44, linkage 46, briquetting 41 sets up in the lower extreme of linkage 46.
The guide column 48 is vertically arranged on the base 10 and is positioned on the front side of the mounting plate 13, the mounting plate 13 is provided with a positioning part 132 extending forwards, the upper end of the guide column 48 is fixed at the lower end of the positioning part 132, the lower end of the guide column 48 is fixed on the base 10, the shaft sleeve 47 is arranged on the pressing block 41 and is sleeved on the outer side of the guide column 48, and the shaft sleeve 47 moves on the guide column 48 along with the displacement of the pressing block 41; preferably, the two guide posts 48 are arranged in a left-right spacing manner, correspondingly, the two shaft sleeves 47 are arranged on the left side and the right side of the pressing block 41, and the two shaft sleeves 47 are respectively sleeved on the two corresponding guide posts 48; and, be provided with protective sheath 441 on handle 44, protective sheath 441 is the TPU prevents the static protective sheath.
Also, the connecting plate 42 is adjustable from top to bottom and is arranged on the mounting plate 13, the connecting plate 42 is provided with a connecting hole 421, the mounting plate 13 is provided with an adjusting hole 131 which extends from top to bottom, and the mounting part 14 is further arranged, and the mounting part 14 is sequentially connected to the connecting hole 421 and the adjusting hole 131 from front to back to realize the fixed connection between the mounting plate 13 and the connecting plate 42.
Generally, the base 10 includes a base 11 and a cover 12, the base 11 has a chamber 111 with an upper end opened, the top cover 12 is disposed on the upper end of the base 11 to close the upper opening of the chamber 111, the top cover 12 is rotatably disposed on the rear end of the base 11, the first testing module 20, the second testing module 30 and the pressing module 40 are all arranged at the upper end of the top cover 12, the first testing lead and the second testing lead both extend into the chamber 111, the outer side of the base 11 is provided with a first outlet 112 and a second outlet (not shown) which are communicated with the chamber 111, the first outlet 112 is located at the right side of the first testing module 20, the first testing wire extends out from the first outlet 112 and is connected to the tester, the second outlet is located on the left side of the second testing module 30, and the second testing lead extends out of the second outlet and is connected with the testing machine in a conduction manner; therefore, the first test wire and the second test wire can be used and stored conveniently, and the arrangement of other probe 221 modules 22 is facilitated, so that the probe 221 modules 22 suitable for different wire requirements can be used conveniently.
In this embodiment, the lengths of the first test lead and the second test lead are 195mm to 205 mm; preferably, the first and second test leads have a length of 200 mm; therefore, the conduction speed of the test wire and the test machine is improved, and the test precision of the wire is ensured.
A method of testing, comprising the steps of:
the method comprises the following steps: connecting a first test lead and a second test lead to a test machine;
step two: placing the terminal part at one end of the wire on the movable part 211 and exposing the terminal part at the upper end of the opening 213;
step three: the control handle is linked with the pressing block 41 to move downwards so that the terminal part is in conductive connection with the probe 221;
step four: the other end of the wire is connected with the plug 32 in an inserting way;
step five: the tester is started to test the wire.
The design of the invention is characterized in that the terminal part is arranged on the bracket and then the pressing module is used for moving the terminal part downwards to ensure that the terminal part is in conductive connection with the probe through the design of each module, and the plug at the other end of the wire rod is inserted into the socket, so that the conductive connection between the terminal part of the wire rod and the probe of the test fixture is ensured to be stable, thereby improving the test precision of the wire rod;
secondly, the arrangement of the movable part, the reset piece and the connecting column is beneficial to the up-and-down displacement operation of the bracket, the stable use of the bracket is ensured, meanwhile, the detachable arrangement of the mounting piece is beneficial to the disassembly and assembly replacement of the probe module, and the service life of the test fixture is prolonged;
and, the setting of axle sleeve and guide post is favorable to the stability of briquetting displacement operation from top to bottom, and simultaneously, the adjustable setting of connecting plate is favorable to test fixture to the regulation of the dynamics of holding of pressing between the terminal part of different wire rods that await measuring and the probe, has avoided the briquetting to press the too big probe that leads to of dynamics of holding to damage, leads to test fixture to be unable, and usability is good.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the technical scope of the present invention, so that any minor modifications, equivalent changes and modifications made to the above embodiment according to the technical spirit of the present invention are within the technical scope of the present invention.
Claims (10)
1. The utility model provides a conductive test fixture of accurate transmission which characterized in that: the testing device comprises a base, a first testing module, a second testing module and a pressing module, wherein the first testing module, the second testing module and the pressing module are arranged on the base; wherein: the first test module comprises a support, a probe module and a first test wire, the support is movably arranged on the base, the probe module is arranged on the lower side of the support, the probe module is provided with a plurality of probes arranged at intervals, the support is provided with an opening corresponding to the probes, the probes are positioned on the lower side of the opening, the probes can be selectively exposed out of the opening or hidden in the opening under the control of the support, and the first test wire is arranged in the base and connected to the lower end of the probes; the second test module is positioned beside the first test module and is provided with a socket and a second test lead; the pressing module is arranged on one side of the first testing module and comprises a pressing block and an operating assembly for controlling the pressing block to move up and down, the pressing block is located above the support, the terminal portion of the wire is placed at the opening of the support, and the pressing block moves down to press the wire and is linked with the support to move down, so that the terminal portion is in conductive connection with the probe.
2. The precision transmission conduction test fixture of claim 1, wherein: the support is including the movable part, the piece and the spliced pole that reset, reset piece and spliced pole all are provided with two, and two reset about the piece interval formula arrange in the inside of base, the lower extreme of two spliced poles pass the base and connect respectively on two reset pieces, the lower extreme of spliced pole exposes in the downside that resets, and the upper end of two spliced poles all is connected in the lower extreme left and right side of movable part, the opening sets up on the movable part.
3. The precision transmission conduction test fixture of claim 1, wherein: the probe module is including the installed part, and interval formula is arranged on the installed part about a plurality of probes, the installed part sets up in the inside of base, the base corresponds the probe and has seted up the hole of dodging, and the upper end of a plurality of probes exposes from corresponding hole of dodging.
4. The precision transmission conduction test fixture of claim 3, wherein: the mounting piece is detachably arranged on the base.
5. The precision transmission conduction test fixture of claim 1, wherein: the second test module is arranged on the left side of the first test module and comprises a test die holder, the test die holder is arranged on the base, the socket is arranged at the front end of the test die holder, and the second test lead is connected to the test die holder in a conduction mode.
6. The precision transmission conduction test fixture of claim 1, wherein: the module is held to pressure sets up in the rear side of first test module, the operating element is including connecting plate, handle seat, handle, connecting piece and linkage, be provided with the mounting panel on the base, the connecting plate sets up in the front end of mounting panel, the handle seat sets up in the front end of connecting plate, the handle rotary type sets up on the handle seat from top to bottom, the both ends of connecting piece are connected respectively in handle, linkage, the briquetting sets up in the lower extreme of linkage.
7. The precision transmission conduction test fixture of claim 6, wherein: still including axle sleeve and guide post, the guide post is vertical to be set up on the base and to be located the front side of mounting panel, the mounting panel has the location portion that extends the setting forward, the lower extreme of location portion is fixed in to the upper end of guide post, and its lower extreme is fixed in on the base, the axle sleeve sets up on the briquetting and overlaps the outside of locating the guide post, and the axle sleeve is along with the displacement of briquetting displacement on the guide post.
8. The precision transmission conduction test fixture of claim 7, wherein: the handle is provided with a protective sleeve.
9. The precision transmission conduction test fixture of claim 6, wherein: the adjustable type connecting plate is arranged on the mounting plate in an up-and-down adjustable mode, a connecting hole is formed in the connecting plate, an adjusting hole which is formed by extending the connecting plate from top to bottom is formed in the mounting plate, and an installation part is further arranged and sequentially connected to the adjusting hole and the connecting hole from back to front to achieve fixed connection between the mounting plate and the connecting plate.
10. A testing method based on the precision transmission conductive testing fixture of any one of claims 1 to 9, characterized in that: the method comprises the following steps:
the method comprises the following steps: connecting a first test lead and a second test lead to a test machine;
step two: placing the terminal part at one end of the wire on the movable part and exposing the terminal part at the upper end of the opening;
step three: the control handle is linked with the pressing block to move downwards so that the terminal part is in conductive connection with the probe;
step four: inserting the other end joint of the wire rod on the inserting opening;
step five: the tester is started to test the wire.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210036672.2A CN114441814A (en) | 2022-01-13 | 2022-01-13 | Precision transmission conduction test fixture and test method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210036672.2A CN114441814A (en) | 2022-01-13 | 2022-01-13 | Precision transmission conduction test fixture and test method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114441814A true CN114441814A (en) | 2022-05-06 |
Family
ID=81367954
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210036672.2A Pending CN114441814A (en) | 2022-01-13 | 2022-01-13 | Precision transmission conduction test fixture and test method thereof |
Country Status (1)
| Country | Link |
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| CN (1) | CN114441814A (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107167638A (en) * | 2017-07-12 | 2017-09-15 | 深圳市鹏元晟实业有限公司 | A kind of measurement jig |
| JP2019120608A (en) * | 2018-01-09 | 2019-07-22 | 日立金属株式会社 | Multicore cable inspection method, multicore cable assembly manufacturing method, and multicore cable inspection device |
| CN210037874U (en) * | 2019-01-29 | 2020-02-07 | 武汉精毅通电子技术有限公司 | PCB testing jig |
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