CN214174459U - Electrical performance test fixture between wires for miniature feed-through connector - Google Patents

Electrical performance test fixture between wires for miniature feed-through connector Download PDF

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Publication number
CN214174459U
CN214174459U CN202023212594.2U CN202023212594U CN214174459U CN 214174459 U CN214174459 U CN 214174459U CN 202023212594 U CN202023212594 U CN 202023212594U CN 214174459 U CN214174459 U CN 214174459U
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test
conical jacket
product
wire
conical
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CN202023212594.2U
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于凯凯
刘立双
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Moretek New Material Technology Suzhou Co ltd
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Mokos New Material Technology Suzhou Co ltd
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Abstract

The utility model relates to an electric performance test anchor clamps between miniature feed-through connector wire belongs to electrical test technical field, because the test end diameter is big for solving current test probe, when leading to testing miniature feed-through connector. The problem that two wires are touched simultaneously to cause poor test quality during testing, and the indentation and damage can appear to the wire to the centre gripping formula, and efficiency of software testing is low simultaneously can appear in the test. The utility model discloses an in the toper through-hole that is equipped with on the toper presss from both sides the cover placer with the toper, place the product that will await measuring on test base step, press from both sides the cover and hug closely with the wire of the product that awaits measuring through with the toper and be connected, recycle the toper and press from both sides the test wire that the cover links firmly and the centre gripping of centre gripping probe and accomplish being connected with test instrument, and then can once accomplish the electrical performance test between a wire and other wires. Because the wire is not clamped, the wire is not damaged, the operation is simple and quick, the test result is reliable, and the test working efficiency is high.

Description

Electrical performance test fixture between wires for miniature feed-through connector
Technical Field
The utility model relates to an electric capability test anchor clamps between miniature feed through connector wire belongs to electrical test technical field.
Background
The typical feed-through connector consists of four parts, namely a lead, a flange ferrule, an insulator and a sealing body, wherein the insulator plays a role in supporting and insulating, is combined with a peripheral flange ferrule and a lead for conducting signals through high-temperature vacuum brazing, and the lead and an inner ring of the flange ferrule are connected in a sealing manner through the sealing body to realize sealing connection among all parts. Compared with polymer and glass, the ceramic insulator has good mechanical property, thermal shock resistance, strong corrosivity and high sealing grade, is a more ideal insulator, and has wide application prospect.
One of the important factors in evaluating the performance of a feedthrough connector is the electrical performance between the individual wires of the feedthrough connector, such as dielectric strength testing, etc., and therefore must be fully inspected during the quality control process of the actual production.
The current general feed-through connector tests the electrical performance between the leads according to the working principle that the connecting ends of two test probes are respectively connected with the positive electrode and the negative electrode of a test instrument, the test ends of the test probes are respectively connected with the leads, the test between the two leads is completed at one time, and then the test between the rest leads is tested one by one. For example, a feedthrough connector has 4 wires and requires 6 tests to complete the test between each wire. The method is divided into a manual contact method and a clamping method according to the connection mode of the probe and the wire, wherein the manual contact method is to manually operate the test end of the probe to be in contact with the wire and test the wire, and the clamping method is to set the test end of the probe into a clamping type clamp and then directly clamp the wire by the clamp and test the wire. Such methods are only suitable for feed-through connectors with larger dimensions and thicker wires. When the micro feed-through connector is tested for electrical performance between wires, because the micro feed-through connector has a small size, the maximum size is smaller than 10mm, the distance between the wires is small, the distance is generally smaller than 1mm, the wires are thin, the diameter of the wires is 0.2-1.0mm, and the wires are usually made of a soft noble metal material such as platinum, platinum-iridium alloy and the like, the following problems often occur when the micro feed-through connector is measured by using a traditional method:
1. the diameter of the test end of the test probe used by the manual contact method is larger than the distance between the leads of the micro feed-through connector, so that two or more leads can be touched simultaneously during testing, and thus, the test result is unreliable, and the two test probes with larger diameters are difficult to measure between the adjacent leads.
2. Because the lead of the micro feed-through connector is thin and soft, the lead can be bent when being touched due to manual operation in the test process, so that the reliability and subsequent use of the product are influenced, and particularly, the electrical performance test between two adjacent leads is carried out.
3. Because the texture of the wire is soft, the wire can be damaged when the wire is clamped by using a clamping method, a deep clamping trace is left, and the subsequent use is influenced. Although the manual contact type test cannot cause obvious wire damage, the test time of a single wire is long, and the test time of each wire is usually more than 1min, so that the phenomenon that a probe is separated from a test wire due to manual operation errors in the test process often exists, and the test result is unreliable.
4. When the number of the wires of the product is large, particularly the number of the wires of a common micro feed-through connector is between 2 and 30, so that the testing efficiency is greatly reduced.
SUMMERY OF THE UTILITY MODEL
Problem and not enough to exist among the prior art, the utility model provides a miniature feed through electrical property test fixture between wire for connector can be in carrying out the test procedure, and test probe does not lead to the fact deformation and damage to the wire to wire direct contact, compares traditional test method, improves efficiency of software testing and test accuracy.
In order to achieve the above object, the utility model provides a following technical scheme: a test fixture for electrical performance between wires for a miniature feed-through connector comprises a test instrument, a clamping probe, a plurality of conical jackets, a conical jacket placing device and a test base, wherein two ends of the clamping probe are respectively and correspondingly provided with a connecting end and a clamping end, the connecting end is respectively connected with the test instrument, and the test base is of a hollow sleeve-shaped structure with steps; the conical jacket placing device is provided with a plurality of conical through holes; the conical jacket is arranged in the conical through hole; a flange ring of a product to be tested is vertically arranged on a step of the test base; the conical jacket placing device is placed on a lead of a product to be tested, and the conical jacket is in one-to-one corresponding close connection with the lead of the product to be tested; the clamping end of the clamping probe connected with the negative electrode of the test instrument is connected with the conical jacket connected with one lead of the product to be tested, and the clamping end of the clamping probe connected with the positive electrode of the test instrument is connected with the conical jacket connected with the rest leads of the product to be tested.
Specifically, the conical jacket placing device is a cylindrical cavity structure formed by side walls with openings at the top and the lower part, and the whole conical jacket placing device is made of insulating ceramics; be equipped with a plurality of toper through-hole on the top, toper press from both sides cover placer and place on the wire of the product that awaits measuring, toper press from both sides inboard and the test base outer lane clearance fit of the lateral wall of cover placer forms the installation cavity of the product that awaits measuring between. Set up the toper through-hole internal installation toper like this and press from both sides the cover, press from both sides the wire contact of cover and the product that awaits measuring through the toper, both make and replace traditional probe centre gripping wire, do not cause the damage to the wire, can constitute the installation space of the product that awaits measuring through the cavity between toper clamp cover placer and the test base again, can effectually guarantee like this that the product that awaits measuring is in vertical state in the testing process, the condition of buckling, deformation can not appear in the assurance wire that can step forward.
Specifically, the cooperation clearance that the inboard lateral wall that presss from both sides cover placer of toper and test base outer lane is less than 0.1mm sets up like this and both can guarantee that the product installation that awaits measuring is stable, guarantees the test accuracy nature, makes the toper of installing on toper jacket device again press from both sides the cover and utilize the dead weight effect of both steady, and firm and the wire of the product that awaits measuring is hugged closely and is connected, further guarantees test quality.
Specifically, the tapered through hole is a tapered hole with a narrow upper part and a wide lower part, and the diameter of the narrow hole at the upper end is between 0.1 and 1.0 mm.
Specifically, the conical jacket is of a cylindrical cavity structure with a narrow upper part and a wide lower part, a small end at the upper part of the conical jacket is fixedly connected with a test lead, and the test lead can be connected with a clamping end of the clamping probe. The conical jacket is convenient to install with the conical through hole, tight connection between the conical jacket and the lead can be guaranteed due to the arrangement of the upper narrow part and the lower wide part, the lead is led out to be tested, and the purpose of convenience in testing due to the fact that the distance between the leads of a product to be tested is small is facilitated.
Specifically, the conical jacket is made of molybdenum or iron-nickel alloy. The arrangement ensures better conductivity in the testing process.
Specifically, the test base is made of high-purity alumina porcelain insulating material with alumina content of more than 95%. The high insulativity of the testing base avoids the influence of the testing base on a product to be tested, and ensures the high accuracy of testing data.
Specifically, the whole outer layer of centre gripping probe is wrapped up by insulating rubber, and its clamping-end is equipped with the crocodile and presss from both sides. The test quality is guaranteed, and the clamping effect of the clamping probe is guaranteed.
Compared with the prior art, the beneficial effects of the utility model reside in that:
1. the wire is not clamped, so that the wire damage of a product in the test process is avoided.
2. Through the fixation between the conical jacket placing device and the test base, the lead of a product to be tested is ensured to be always in a vertical state in the test process, and the lead is prevented from being bent in the test process.
3. The test efficiency is improved, and the electrical performance test between one lead and the rest leads can be performed at one time. Compared with the traditional test method, the test period is greatly saved. For example, 4 wires of traditional mode test need test 6 times, the utility model discloses only need 4 times can accomplish the test between whole wires, when being more to wire quantity, relative efficiency of software testing can be higher. And the test time of the product to be tested is reduced, and the damage rate of the product in the test process is reduced.
4. The test result is stable and reliable, and the error caused by touching two leads due to the overlarge diameter of the probe or separating the leads from the probe in the operation process is avoided.
Drawings
FIG. 1 is a schematic view of a test fixture
In the figure: 1. clamping the probe; 2. a conical jacket placement device; 3. a tapered jacket; 4. a product to be tested; 5. testing the instrument; 6. testing the base; 7. a flange ring of a product to be tested; 8. and (4) conducting wires of a product to be tested.
Detailed Description
The invention will be further elucidated with reference to the drawings in an embodiment of the invention.
Referring to fig. 1, the utility model discloses an inter-wire electrical performance test fixture for a micro feed-through connector, which comprises a test instrument 5, two clamping probes 1, a plurality of conical jackets 3, a conical jacket placing device 2 and a test base 6, wherein two ends of the clamping probes 1 are respectively corresponding to a connecting end and a clamping end, the connecting end is respectively connected with the test instrument 5, and the test base 6 is a hollow sleeve-shaped structure with steps; the conical jacket placing device 2 is provided with a plurality of conical through holes; the conical jacket 3 is arranged in the conical through hole; a flange ring 7 of the product 4 to be tested is vertically arranged on a step of the test base 6; the conical jacket placing device 2 is placed on a lead 8 of a product to be tested, and the conical jacket 3 is correspondingly and closely connected with the lead 8 of the product to be tested one by one; the clamping end of the clamping probe 1 connected with the negative electrode of the testing instrument 5 is connected with the conical jacket connected with one conducting wire of the product 4 to be tested, and the clamping end of the clamping probe 1 connected with the positive electrode of the testing instrument 5 is connected with the conical jacket connected with the rest conducting wires of the product 4 to be tested.
Further, the conical jacket placing device 2 is a cylindrical cavity structure formed by side walls with openings at the top and the lower part, and the whole body is made of insulating ceramics; the top of the test base is provided with a plurality of conical through holes, when the conical jacket placing device 2 is placed on a lead 8 of a product to be tested, the inner side of the side wall of the conical jacket placing device 2 is in clearance fit with the outer ring of the test base 6, and an installation cavity of the product 4 to be tested is formed between the inner side of the side wall of the conical jacket placing device and the outer ring of the test base; the fit clearance between the inner side of the side wall of the conical jacket placing device 2 and the outer ring of the test base 6 is less than 0.1 mm; the tapered through hole is a tapered hole with a narrow upper part and a wide lower part, and the diameter of the narrow hole at the upper end is between 0.1 and 1.0 mm; the conical jacket 3 is a cylindrical cavity structure with a narrow upper part and a wide lower part, and the small end at the upper part of the conical jacket is fixedly connected with a test lead which can be connected with the clamping end of the clamping probe; the conical jacket 3 is made of molybdenum or iron-nickel alloy; the test base 6 is made of high-purity alumina porcelain insulating material with alumina content of more than 95%; the whole outer layer of the clamping probe 1 is wrapped by insulating rubber, and a crocodile clamp is arranged at the clamping end of the clamping probe.
The working principle is as follows: 1. and placing the product 4 to be tested on the step of the test base 6, and ensuring that the lead at the lower end of the flange ring of the product 4 to be tested is in a suspended state.
2. All the tapered jackets 3 were fitted into the tapered through-holes of the tapered jacket placing apparatus 2, and the test wires of the tapered jackets 3 were led out from the upper small ends of the tapered through-holes to obtain a composition.
3. And then placing the obtained combination body on a lead 8 of a product to be tested, matching with the testing base 6, and enabling the inner wall of each conical jacket 3 to be correspondingly attached to the lead 8 of the product to be tested one by one under the action of gravity.
4. And a universal meter is used for measuring the lead 8 and the conical jacket 3 of each product to be measured successively to ensure the conduction of the two.
5. One of the leads 8 of the product to be tested is selected as the lead to be tested, the test lead led out from the corresponding conical jacket 3 is connected with the clamping end of the clamping probe 1 connected with the negative electrode of the test instrument 5, and then the test lead led out from the conical jacket 3 corresponding to the rest leads except the lead to be tested is connected with the clamping end of the clamping probe 1 connected with the positive electrode of the test instrument 5, thereby completing the test preparation work.
6. And operating the test instrument to complete the electrical performance test between the single lead and other leads at one time.
7. And selecting one wire from the rest wires as a wire to be tested, repeating the operation, and so on, and gradually selecting one wire from the rest wires as a new wire to be tested for testing until the testing of all the wires is completed.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention. All equivalent changes and modifications made according to the content of the claims of the present invention fall within the technical scope of the present invention.

Claims (8)

1. The utility model provides an electric capability test anchor clamps between miniature feed through connector wire, includes test instrument, centre gripping probe, a plurality of toper press from both sides the cover, toper press from both sides cover placer and test base, centre gripping probe both ends correspond respectively for link and exposed core, the link respectively with test instrument connects its characterized in that: the test base is of a hollow sleeve-shaped structure with steps; the conical jacket placing device is provided with a plurality of conical through holes; the conical jacket is arranged in the conical through hole; a flange ring of a product to be tested is vertically arranged on a step of the test base; the conical jacket placing device is placed on a lead of a product to be tested, and the conical jacket is in one-to-one corresponding close connection with the lead of the product to be tested; the clamping end of the clamping probe connected with the negative electrode of the test instrument is connected with the conical jacket connected with one lead of the product to be tested, and the clamping end of the clamping probe connected with the positive electrode of the test instrument is connected with the conical jacket connected with the rest leads of the product to be tested.
2. The clamp for testing electrical performance between wires of a micro-feedthrough connector of claim 1, wherein: the conical jacket placing device is of a cylindrical cavity structure formed by side walls with openings at the top and the lower part, and the whole conical jacket placing device is made of insulating ceramics; the test device comprises a test base, a conical jacket placing device and a test base, wherein the top of the test base is provided with a plurality of conical through holes, the conical jacket placing device is placed on a lead of a product to be tested, the inner side of the side wall of the conical jacket placing device is in clearance fit with the outer ring of the test base, and an installation cavity of the product to be tested is formed between the inner side of the side wall of the conical jacket placing device and the outer ring of the test base.
3. The clamp for testing electrical performance between wires of a micro-feedthrough connector of claim 2, wherein: the fit clearance between the inner side of the side wall of the conical jacket placing device and the outer ring of the test base is less than 0.1 mm.
4. The clamp of claim 3, wherein the clamp comprises: the tapered through hole is a tapered hole with a narrow upper part and a wide lower part, and the diameter of the narrow hole at the upper end is between 0.1 and 1.0 mm.
5. The clamp of claim 4, wherein the clamp comprises: the conical jacket is of a cylindrical cavity structure with a narrow upper part and a wide lower part, a small end at the upper part of the conical jacket is fixedly connected with a test lead, and the test lead can be connected with the clamping end of the clamping probe.
6. The clamp of claim 5, wherein the clamp comprises: the conical jacket is made of molybdenum or iron-nickel alloy.
7. The clamp of claim 5, wherein the clamp comprises: the test base is made of high-purity alumina porcelain insulating material with alumina content of more than 95%.
8. The clamp for testing electrical performance between wires of a micro-feedthrough connector of claim 1, wherein: the whole outer layer of centre gripping probe is wrapped up by insulating rubber, and its clamping-end is equipped with the crocodile and presss from both sides.
CN202023212594.2U 2020-12-28 2020-12-28 Electrical performance test fixture between wires for miniature feed-through connector Active CN214174459U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202023212594.2U CN214174459U (en) 2020-12-28 2020-12-28 Electrical performance test fixture between wires for miniature feed-through connector

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202023212594.2U CN214174459U (en) 2020-12-28 2020-12-28 Electrical performance test fixture between wires for miniature feed-through connector

Publications (1)

Publication Number Publication Date
CN214174459U true CN214174459U (en) 2021-09-10

Family

ID=77609554

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202023212594.2U Active CN214174459U (en) 2020-12-28 2020-12-28 Electrical performance test fixture between wires for miniature feed-through connector

Country Status (1)

Country Link
CN (1) CN214174459U (en)

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CP03 Change of name, title or address

Address after: Room 101, Building 4, No. 188, Jialingjiang Road, High tech Zone, Suzhou City, Jiangsu Province, 215000

Patentee after: Moretek New Material Technology (SUZHOU) Co.,Ltd.

Address before: 215004 Room 101, building 4, No. 188, Jialingjiang Road, Suzhou high tech Zone, Suzhou, Jiangsu Province

Patentee before: Mokos new material technology (Suzhou) Co.,Ltd.

CP03 Change of name, title or address