CN110763917A - Four-pin four-wire resistance measuring jig and measuring method thereof - Google Patents

Four-pin four-wire resistance measuring jig and measuring method thereof Download PDF

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Publication number
CN110763917A
CN110763917A CN201911159323.4A CN201911159323A CN110763917A CN 110763917 A CN110763917 A CN 110763917A CN 201911159323 A CN201911159323 A CN 201911159323A CN 110763917 A CN110763917 A CN 110763917A
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CN
China
Prior art keywords
probe
movable
fixing
measuring
base
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201911159323.4A
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Chinese (zh)
Inventor
杨漫雪
林豪
丁灵俊
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Nanjing Lont Electronics Co Ltd
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Nanjing Lont Electronics Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Nanjing Lont Electronics Co Ltd filed Critical Nanjing Lont Electronics Co Ltd
Priority to CN201911159323.4A priority Critical patent/CN110763917A/en
Publication of CN110763917A publication Critical patent/CN110763917A/en
Pending legal-status Critical Current

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    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R27/00—Arrangements for measuring resistance, reactance, impedance, or electric characteristics derived therefrom
    • G01R27/02—Measuring real or complex resistance, reactance, impedance, or other two-pole characteristics derived therefrom, e.g. time constant
    • 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
    • G01R1/04—Housings; Supporting members; Arrangements of terminals
    • G01R1/0408—Test fixtures or contact fields; Connectors or connecting adaptors; Test clips; Test sockets
    • 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
    • G01R1/07307—Multiple probes with individual probe elements, e.g. needles, cantilever beams or bump contacts, fixed in relation to each other, e.g. bed of nails fixture or probe card

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Measurement Of Resistance Or Impedance (AREA)

Abstract

The invention provides a four-pin and four-wire resistance measuring jig which comprises a machine table, an electrical control cabinet and a measuring mechanism, wherein the electrical control cabinet and the measuring mechanism are respectively arranged on the machine table; the lower measuring movable mechanism comprises a lower fixing frame arranged on the machine table, the lower fixing frame is respectively provided with a lower probe fixing block and a lower probe separating seat which correspond to each other, and lower probes are arranged on the lower probe fixing block and the lower probe separating seat; the upper measuring movable mechanism comprises an upper fixing frame butted with the lower fixing frame, an upper movable base is arranged on the upper fixing frame, an upper probe fixing block is arranged on the upper movable base, and an upper probe is arranged on the upper probe fixing block; the cavity fixing base is provided with a positioning cavity, and the upper probe and the lower probe respectively correspond to the positioning cavity. The invention improves the convenience and accuracy of measurement and reduces or avoids repeated measurement deviation.

Description

Four-pin four-wire resistance measuring jig and measuring method thereof
Technical Field
The invention belongs to the technical field of resistance measurement, and particularly relates to a four-pin and four-wire resistance measurement jig and a measurement method thereof.
Background
At present, resistance value measurement of alloy resistor components is reserved in manual handle type measuring jigs, manual pressing type measuring jigs and probe card type pressing measuring jigs, the measuring jigs have different measuring positions, and the resistance value deviation of actual measurement caused by uneven stress during measurement and probe sliding during measurement is large.
Disclosure of Invention
The invention aims to provide a four-pin four-wire resistance measuring jig and a measuring method thereof, which can improve the convenience and accuracy of measurement and reduce or avoid repeated measurement deviation.
The invention provides the following technical scheme:
a four-pin and four-wire resistance measuring jig comprises a machine table, and an electrical control cabinet and a measuring mechanism which are respectively arranged on the machine table, wherein the measuring mechanism comprises a lower measuring movable mechanism and an upper measuring movable mechanism; the lower measuring movable mechanism comprises a lower fixing frame arranged on the machine table, a lower movable sliding block is arranged in the lower fixing frame, a lower movable base is arranged on the lower movable sliding block, a lower movable air cylinder is arranged at the bottom end of the lower fixing frame, the lower movable base is connected with the lower movable air cylinder, a lower probe fixing block and a lower probe separating seat which correspond to each other are respectively arranged on the lower movable base, lower probes are arranged on the lower probe fixing block and the lower probe separating seat, and a fixing support is arranged at the top end of the lower fixing frame; the upper measuring movable mechanism comprises an upper fixed frame butted with the lower fixed frame, an upper movable air cylinder is arranged at the top end of the upper fixed frame, an upper movable sliding block is arranged in the upper fixed frame, an upper movable base is arranged on the upper movable sliding block and connected with the upper movable air cylinder, an upper probe fixed block is arranged on the upper movable base, and an upper probe is arranged on the upper probe fixed block; the upper fixing frame and the lower fixing frame are provided with a cavity fixing base, the cavity fixing base is arranged on the fixing support, the cavity fixing base is provided with a positioning cavity, the upper probe and the lower probe respectively correspond to the positioning cavity, and the electrical control cabinet is respectively connected with the lower movable air cylinder and the upper movable air cylinder.
Preferably, a lower probe fixing base is arranged on the lower movable base, the lower probe fixing block and the lower probe separating seat are respectively arranged on the lower probe fixing base, and the lower probe on the lower probe separating seat corresponds to the positioning cavity.
Preferably, the upper movable base is provided with an upper probe fixing base, and the upper probe fixing block is arranged on the upper probe fixing base.
Preferably, a lower cylinder fixing seat is arranged on the lower fixing frame, and the lower movable cylinder is arranged on the lower cylinder fixing seat and connected with the lower movable base.
Preferably, the upper fixing frame is provided with an upper cylinder fixing seat, and the upper movable cylinder is arranged on the upper cylinder fixing seat and connected with the upper movable base.
Preferably, a power supply and an electromagnetic valve which are connected with each other are arranged in the electric control cabinet, and the electromagnetic valve is respectively connected with the upper movable air cylinder and the lower movable air cylinder.
Preferably, the electric control cabinet is provided with a measuring button and a main power supply button, the main power supply button is connected with the power supply, and the measuring button is connected with the electromagnetic valve.
A measuring method of a four-pin four-wire resistance measuring jig comprises the following steps:
s1: placing a resistance product to be tested into a positioning cavity for fixing and positioning;
s2: starting the electrical control cabinet to control the upper measuring movable mechanism and the lower measuring movable mechanism to act;
s3: the upper movable cylinder drives the upper measuring mechanism to press down, so that the upper probe compresses an electrode on the upper surface of a product to be measured in the positioning cavity;
s4: the lower movable cylinder drives the lower measuring movable mechanism to ascend, so that the lower probe is contacted with the lower surface electrode of the product to be measured in the positioning cavity;
s5: and after the measurement is finished, the electric control cabinet controls to stop measuring, namely the measurement is finished.
The invention has the beneficial effects that: the jig realizes accurate positioning measurement of the fixed position of the resistance electrode by aligning and fixing the upper measuring movable mechanism and the lower measuring movable mechanism, improves the accuracy and the convenience of product measurement, and reduces or avoids repeated measurement deviation.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the lower motion measurement mechanism of the present invention;
FIG. 3 is a schematic view of the upper movable measuring mechanism of the present invention;
labeled as: 1. a machine platform; 2. an electrical control cabinet; 21. a stop measurement button; 22. a start measurement button; 23. a mains power button; 3. a measuring mechanism; 31. a lower measurement moving mechanism; 311. a lower fixing frame; 312. fixing a bracket; 313. a lower movable cylinder; 314. a lower movable slide block; 315. a lower movable base; 316. a lower probe fixing base; 317. a lower probe fixing block; 318. a lower probe; 319. a lower probe separation seat; 32. an upper measuring movable mechanism; 321. a cavity fixing base; 322. positioning the cavity; 323. an upper fixing frame; 324. an upper movable cylinder; 325. an upper movable slide block; 326. an upper movable base; 327. an upper probe fixing base; 328. an upper probe fixing block; 329. and (4) probe mounting.
Detailed Description
As shown in fig. 1, a four-pin and four-wire resistance measuring jig includes a machine table 1, and an electrical control cabinet 2 and a measuring mechanism 3 respectively disposed on the machine table 1, wherein the measuring mechanism 3 includes a lower measuring moving mechanism 31 and an upper measuring moving mechanism 32; the electrical control cabinet 2 is provided with a main power button 23, a stop measuring button 21 and a start measuring button 22 for controlling the jig action measurement.
As shown in fig. 1 and fig. 2, the lower measurement moving mechanism 31 includes a lower fixed frame 311 disposed on the machine table 1, a lower moving slide 314 is disposed in the lower fixed frame 311, a lower moving base 315 is disposed on the lower moving slide 314, a lower moving cylinder 313 is disposed at the bottom end of the lower fixed frame 311, a lower cylinder fixing base is disposed on the lower fixed frame 311, and the lower moving cylinder 313 is disposed on the lower cylinder fixing base and connected to the lower moving base 315. The lower movable base 315 is provided with a lower probe fixing block 317 and a lower probe separating seat 319 which correspond to each other, the lower movable base 315 is provided with a lower probe fixing base 316, the lower probe fixing block 317 and the lower probe separating seat 319 are respectively arranged on the lower probe fixing base 316, and the lower probe fixing block 317 and the lower probe separating seat 319 are provided with a lower probe 318;
as shown in fig. 1 and 3, the upper measuring movable mechanism 32 includes an upper fixing frame 323 abutting against the lower fixing frame 311, an upper movable cylinder 324 is disposed at a top end of the upper fixing frame 323, an upper movable sliding block 325 is disposed in the upper fixing frame 323, an upper movable base 326 is disposed on the upper movable sliding block 325, an upper cylinder fixing seat is disposed on the upper fixing frame 323, and the upper movable cylinder 324 is disposed on the upper cylinder fixing seat and connected to the upper movable base 326. An upper probe fixing block 328 is arranged on the upper movable base 326, an upper probe fixing base 327 is arranged on the upper movable base 326, the upper probe fixing block 328 is arranged on the upper probe fixing base 329, and an upper probe 329 is arranged on the upper probe fixing block 328;
as shown in fig. 1-3, a fixing support 312 is disposed at the top end of the lower fixing frame 311, a cavity fixing base 321 is disposed between the upper fixing frame 323 and the lower fixing frame 311, the cavity fixing base 321 is disposed on the fixing support 312, a positioning cavity 322 is disposed on the cavity fixing base 321, an upper probe 329 and a lower probe 318 are respectively corresponding to the positioning cavity 322, a power supply and an electromagnetic valve are disposed in the electrical control cabinet 2, the electrical control cabinet 2 is provided with a measurement button and a main power button 23, the main power button 23 is connected to the power supply, the measurement button is connected to the electromagnetic valve, and the electromagnetic valve is respectively connected to the upper active cylinder 324 and the lower active cylinder 313 to control start and stop operations.
As shown in fig. 1-3, in the using process of a four-pin four-wire resistance measuring tool, a product to be measured is placed into a positioning cavity 322, a start measuring button 22 is actuated, an upper movable cylinder 324 on an upper measuring movable mechanism 32 moves downwards to drive an upper movable base 326 fixed on an upper movable sliding block 325, an upper probe fixed base 327 fixed on the upper movable base 326 and an upper probe fixed block 328 fixed on the upper probe fixed base 327 move downwards, so that an upper probe 329 fixed on the upper probe fixed block 328 is pressed on an upper surface electrode with the product to be measured, a lower movable cylinder 313 on a lower measuring movable mechanism 31 moves upwards to drive a lower movable base 315 fixed on a lower movable sliding block 314 to move upwards, and a lower probe fixed base 316 fixed on the lower movable base 315 and a lower probe fixed block 317 and a lower probe seat 319 fixed on the lower probe fixed base 316 move upwards, the lower probe 318 fixed on the lower probe fixing block 317 and the lower probe separating block 319 is contacted with the lower surface of the product to be measured in the positioning cavity 322, the above actions are completed, the resistance measurement is carried out, and the measurement is completed by pressing the stop measuring button 21 after the measurement is completed.
Compared with the prior art, the invention realizes the accurate positioning measurement of the fixed position of the resistance electrode through the design of the measuring jig, improves the accuracy and convenience of product measurement and reduces or avoids repeated measurement deviation.
As shown in fig. 1-3, a measuring method of a four-pin and four-wire resistance measuring jig includes the following steps:
s1: placing the resistance product to be tested into the positioning cavity 322 for fixing and positioning;
s2: the electrical control cabinet 2 is started to control the upper measuring movable mechanism 32 and the lower measuring movable mechanism 31 to act;
s3: the upper movable cylinder 324 drives the upper measuring mechanism 32 to press down, so that the upper probe 329 compresses the electrode on the upper surface of the product to be measured in the positioning cavity 322;
s4: the lower movable cylinder 313 drives the lower measuring movable mechanism 31 to ascend, so that the lower probe 318 contacts with the lower surface electrode of the product to be measured in the positioning cavity 322;
s5: and after the measurement is finished, the electric control cabinet 2 controls to stop measuring, namely the measurement is finished.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (8)

1. The four-pin and four-wire resistance measuring jig is characterized by comprising a machine table, an electrical control cabinet and a measuring mechanism, wherein the electrical control cabinet and the measuring mechanism are respectively arranged on the machine table; the lower measuring movable mechanism comprises a lower fixing frame arranged on the machine table, a lower movable sliding block is arranged in the lower fixing frame, a lower movable base is arranged on the lower movable sliding block, a lower movable air cylinder is arranged at the bottom end of the lower fixing frame, the lower movable base is connected with the lower movable air cylinder, a lower probe fixing block and a lower probe separating seat which correspond to each other are respectively arranged on the lower movable base, lower probes are arranged on the lower probe fixing block and the lower probe separating seat, and a fixing support is arranged at the top end of the lower fixing frame; the upper measuring movable mechanism comprises an upper fixed frame butted with the lower fixed frame, an upper movable air cylinder is arranged at the top end of the upper fixed frame, an upper movable sliding block is arranged in the upper fixed frame, an upper movable base is arranged on the upper movable sliding block and connected with the upper movable air cylinder, an upper probe fixed block is arranged on the upper movable base, and an upper probe is arranged on the upper probe fixed block; the upper fixing frame and the lower fixing frame are provided with a cavity fixing base, the cavity fixing base is arranged on the fixing support, the cavity fixing base is provided with a positioning cavity, the upper probe and the lower probe respectively correspond to the positioning cavity, and the electrical control cabinet is respectively connected with the lower movable air cylinder and the upper movable air cylinder.
2. The four-pin and four-wire resistance measuring jig according to claim 1, wherein a lower probe fixing base is provided on the lower movable base, the lower probe fixing block and the lower probe separating base are respectively provided on the lower probe fixing base, and the lower probe on the lower probe separating base corresponds to the positioning cavity.
3. The four-pin and four-wire resistance measuring jig according to claim 1, wherein an upper probe fixing base is provided on the upper movable base, and the upper probe fixing block is provided on the upper probe fixing base.
4. The four-pin and four-wire resistance measuring jig according to claim 1, wherein a lower cylinder fixing seat is provided on the lower fixing frame, and the lower movable cylinder is provided on the lower cylinder fixing seat and connected to the lower movable base.
5. The four-pin and four-wire resistance measuring jig according to claim 1, wherein the upper fixing frame is provided with an upper cylinder fixing seat, and the upper movable cylinder is arranged on the upper cylinder fixing seat and connected with the upper movable base.
6. The four-pin and four-wire resistance measuring jig according to claim 1, wherein a power supply and an electromagnetic valve are arranged in the electrical control cabinet and are connected with each other, and the electromagnetic valve is respectively connected with the upper movable air cylinder and the lower movable air cylinder.
7. The four-pin and four-wire resistance measuring jig according to claim 6, wherein the electrical control cabinet is provided with a measuring button and a main power button, the main power button is connected with the power supply, and the measuring button is connected with the electromagnetic valve.
8. The measuring method of the four-pin four-wire resistance measuring jig according to claim 1, characterized by comprising the following steps:
s1: placing a resistance product to be tested into a positioning cavity for fixing and positioning;
s2: starting the electrical control cabinet to control the upper measuring movable mechanism and the lower measuring movable mechanism to act;
s3: the upper movable cylinder drives the upper measuring mechanism to press down, so that the upper probe compresses an electrode on the upper surface of a product to be measured in the positioning cavity;
s4: the lower movable cylinder drives the lower measuring movable mechanism to ascend, so that the lower probe is contacted with the lower surface electrode of the product to be measured in the positioning cavity;
s5: and after the measurement is finished, the electric control cabinet controls to stop measuring, namely the measurement is finished.
CN201911159323.4A 2019-11-22 2019-11-22 Four-pin four-wire resistance measuring jig and measuring method thereof Pending CN110763917A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201911159323.4A CN110763917A (en) 2019-11-22 2019-11-22 Four-pin four-wire resistance measuring jig and measuring method thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201911159323.4A CN110763917A (en) 2019-11-22 2019-11-22 Four-pin four-wire resistance measuring jig and measuring method thereof

Publications (1)

Publication Number Publication Date
CN110763917A true CN110763917A (en) 2020-02-07

Family

ID=69338969

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201911159323.4A Pending CN110763917A (en) 2019-11-22 2019-11-22 Four-pin four-wire resistance measuring jig and measuring method thereof

Country Status (1)

Country Link
CN (1) CN110763917A (en)

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