CN219715502U - Probe fixture for electrical measurement - Google Patents
Probe fixture for electrical measurement Download PDFInfo
- Publication number
- CN219715502U CN219715502U CN202320205875.XU CN202320205875U CN219715502U CN 219715502 U CN219715502 U CN 219715502U CN 202320205875 U CN202320205875 U CN 202320205875U CN 219715502 U CN219715502 U CN 219715502U
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- China
- Prior art keywords
- probe
- detection
- chip
- threaded rods
- electrical measurement
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- 239000000523 sample Substances 0.000 title claims abstract description 52
- 238000005259 measurement Methods 0.000 title claims abstract description 16
- 238000001514 detection method Methods 0.000 claims abstract description 42
- 230000005484 gravity Effects 0.000 claims description 5
- 238000012360 testing method Methods 0.000 abstract description 3
- 230000000694 effects Effects 0.000 description 3
- 230000005611 electricity Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000012938 design process Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000011897 real-time detection Methods 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
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- Measuring Leads Or Probes (AREA)
Abstract
The utility model relates to the technical field of chip testing and discloses a probe clamp for electrical measurement, which comprises a circuit board, wherein four identical threaded rods are fixedly connected to the circuit board at equal intervals, detection plates are respectively sleeved on the outer sides of the four threaded rods in a rotating manner, springs are respectively sleeved on the outer sides of the threaded rods on the lower sides of the four detection plates, and nuts are respectively sleeved on the outer sides of the threaded rods on the upper sides of the four detection plates in a threaded manner; the top of the detection plate is fixedly provided with a pressure display screen. According to the utility model, through the arrangement of the threaded rod, the nut, the detection plate, the pressure display screen, the connecting cylinder, the connecting hole, the probe and the pressure sensor, the probe is corresponding to the chip detection point through rotating the detection plate, then the nut is screwed to push the detection plate to move so as to enable the probe to contact with the chip detection point, and meanwhile, the pressure sensor detects and displays the pressure of the connecting cylinder to the probe on the pressure display screen in real time, so that the chip damage caused by the overlarge or the overlarge pressure of the probe or the influence on the detection precision caused by the chip movement is avoided.
Description
Technical Field
The utility model relates to the technical field of chip testing, in particular to a probe clamp for electrical measurement.
Background
Various defects are inevitably generated in the actual integrated circuit design and production process, electrical function tests are required before the products are delivered to customers, and probe clamps are required on integrated circuit detection equipment to serve as a 'bridge' for the signal transmission between chips and a tester.
In the process of implementing the present utility model, the inventor finds that at least the following problems in the prior art are not solved: because the market is deepened to the requirement of electronic system operation increasingly, and the integrated circuit thickness that makes is thin, and is small, when the probe anchor clamps hold the integrated circuit and measure, the unable accurate control of pressure, and then easily have the easy damaged problem of chip, therefore, we propose a probe anchor clamps for electricity measurement.
Disclosure of Invention
The utility model aims to provide a probe clamp for electrical measurement, which solves the problems in the background technology.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the probe clamp for the electrical measurement comprises a circuit board, wherein four identical threaded rods are fixedly connected to the circuit board at equal intervals, detection plates are sleeved on the outer sides of the four threaded rods in a rotating mode, springs are sleeved on the outer sides of the threaded rods on the lower sides of the four detection plates, and nuts are sleeved on the outer sides of the threaded rods on the upper sides of the four detection plates in a threaded mode; the top of pick-up board is fixedly connected with pressure display screen, the bottom fixedly connected with connecting cylinder of pick-up board, the connecting hole has been seted up to the bottom of connecting cylinder, sliding connection has the probe in the connecting hole, the inner chamber top fixed mounting of connecting hole has pressure sensor.
As an alternative scheme of the technical scheme of the utility model, both sides of the inner cavity of the connecting hole are provided with limiting grooves, and limiting blocks are connected in both limiting grooves in a sliding manner and are used for improving the stability of the up-and-down movement of the probe.
As an alternative of the technical scheme of the utility model, the elasticity of the spring is larger than the gravity of the whole detection plate, so that the phenomenon that part of the gravity of the whole detection plate is lapped on the chip to cause damage is avoided.
As an alternative scheme of the technical scheme of the utility model, the two ends of the nut are fixedly connected with the handheld rod, so that the nut can be screwed manually to adjust the height of the detection plate.
As an alternative of the technical scheme of the utility model, one end of the circuit board far away from the threaded rod is fixedly provided with a golden finger for switching on a power supply to measure the chip.
Compared with the prior art, the technical scheme of the utility model has the following beneficial effects:
1. according to the technical scheme, through the arrangement of the threaded rod, the nut, the detection plate, the pressure display screen, the connecting cylinder, the connecting hole, the probe and the pressure sensor, the probe is corresponding to the chip detection point through rotating the detection plate, then the nut is screwed to push the detection plate to move so that the probe is in contact with the chip detection point, meanwhile, the pressure sensor detects and displays the pressure of the connecting cylinder to the probe on the pressure display screen in real time, and further, the chip damage caused by overlarge or undersize pressure of the probe or the influence on the detection precision caused by chip movement is avoided.
2. According to the technical scheme, the limiting groove and the limiting block are arranged, and the limiting block moves in the limiting groove in a guiding manner, so that the stability of the contact between the probe and the chip is prevented from being influenced by the rotation or the movement of the probe, and the effect of the probe on the chip detection is further improved.
Drawings
Other features, objects and advantages of the present utility model will become more apparent upon reading of the detailed description of non-limiting embodiments, given with reference to the accompanying drawings in which:
FIG. 1 is a top view of a probe holder for electrical measurement according to the present utility model;
FIG. 2 is a front view of a probe holder for electrical measurement according to the present utility model;
fig. 3 is a schematic diagram showing the internal structure of the connection between the connecting cylinder and the probe of the probe fixture for electrical measurement.
In the figure: 1. a circuit board; 2. a threaded rod; 201. a nut; 3. a detection plate; 301. a pressure display screen; 4. a golden finger; 5. a spring; 6. a connecting cylinder; 601. a connection hole; 7. a probe; 8. a pressure sensor; 9. a limit groove; 901. a limiting block; 10. a hand-held lever.
Detailed Description
Referring to fig. 1-3, the present utility model provides a technical solution: the utility model provides a probe clamp for electricity measurement, includes circuit board 1, equidistant fixedly connected with four the same threaded rods 2 on the circuit board 1, and the outside of four threaded rods 2 is all rotated the cover and is equipped with pick-up plate 3, and the threaded rod 2 outside of four pick-up plate 3 downside is all overlapped and is equipped with spring 5, and the top and the pick-up plate 3 fixed connection of spring 5, and the threaded rod 2 outside of four pick-up plate 3 upside is all threaded the cover and is equipped with nut 201; the top fixed mounting of pick-up plate 3 has pressure display 301, and connecting hole 601 has been seted up to the bottom fixedly connected with connecting cylinder 6 of pick-up plate 3, and connecting hole 601 sliding connection has probe 7 in the bottom of connecting cylinder 6, and the inner chamber top fixed mounting of connecting hole 601 has pressure sensor 8, and pressure sensor 8's output passes through the wire to be connected with pressure display 301's input, and circuit board 1 keeps away from the one end fixed mounting of threaded rod 2 and has golden finger 4.
In this technical scheme, through threaded rod 2, nut 201, pick-up plate 3, pressure display 301, connecting cylinder 6, connecting hole 601, probe 7 and pressure sensor 8's setting, correspond probe 7 and chip check point through rotating pick-up plate 3, then screw nut 201 promotes the pick-up plate 3 and remove and make probe 7 and chip check point contact, simultaneously, pressure sensor 8 carries out real-time detection with the pressure of connecting cylinder 6 to probe 7 and shows on pressure display 301, and then avoid probe 7 pressure too big or undersize to cause the chip damage or chip removal to influence the precision of detection.
In some technical schemes, limiting grooves 9 are formed in two sides of an inner cavity of the connecting hole 601, limiting blocks 901 are slidably connected in the two limiting grooves 9, and the two limiting blocks 901 are fixedly connected with the probe 7.
In this kind of technical scheme, through the setting of spacing groove 9 and stopper 901, through stopper 901 in spacing inslot 9 direction removal, and then avoid probe 7 rotatory or remove the stability that influences probe 7 and chip contact, further improvement probe 7 is to the effect of chip detection.
In some embodiments, the spring force of the spring 5 is greater than the weight of the entire detection plate 3.
In this solution, the elastic force of the spring 5 is larger than the gravity of the whole detection plate 3, so as to avoid damage caused by overlapping a part of the gravity of the whole detection plate 3 on the chip.
In some technical solutions, two ends of the nut 201 are fixedly connected with the hand-held rods 10, and the two hand-held rods 10 are symmetrically distributed on two sides of the nut 201.
In this technical scheme, through the setting of handheld pole 10, and then the personnel of being convenient for hold, and then the personnel of being convenient for manually twist the height of adjusting the pick-up plate 3 to nut 201.
When the chip to be measured is used, firstly, the chip to be measured is placed on the circuit board 1, the probe 7 corresponds to a chip detection point through rotating the detection plate 3, then the hand-held rod 10 is held by hand to twist the nut 201 to push the detection plate 3 to move so that the probe 7 contacts with the chip detection point, meanwhile, the pressure sensor 8 detects and displays the pressure of the connecting cylinder 6 to the probe 7 on the pressure display screen 301 in real time, then the power supply is connected to the chip through the golden finger 4 to measure the chip, further, the damage of the chip or the influence of the movement of the chip on the detection precision caused by the overlarge or the overlarge pressure of the probe 7 are avoided, the guide movement of the limiting block 901 in the limiting groove 9 is further avoided, the contact stability of the probe 7 and the chip is further improved, and the chip detection effect of the probe 7 is further improved.
Claims (5)
1. The utility model provides a probe clamp for electrical measurement, includes circuit board (1), its characterized in that: four identical threaded rods (2) are fixedly connected to the circuit board (1) at equal intervals, detection plates (3) are respectively sleeved on the outer sides of the four threaded rods (2) in a rotating mode, springs (5) are respectively sleeved on the outer sides of the threaded rods (2) on the lower sides of the four detection plates (3), and nuts (201) are respectively sleeved on the outer sides of the threaded rods (2) on the upper sides of the four detection plates (3) in a threaded mode;
the pressure display screen (301) is fixedly arranged at the top of the detection plate (3), the connecting cylinder (6) is fixedly connected to the bottom of the detection plate (3), the connecting hole (601) is formed in the bottom of the connecting cylinder (6), the probe (7) is slidably connected in the connecting hole (601), and the pressure sensor (8) is fixedly arranged at the top of the inner cavity of the connecting hole (601).
2. The probe holder for electrical measurement according to claim 1, wherein: limiting grooves (9) are formed in two sides of an inner cavity of the connecting hole (601), and limiting blocks (901) are slidably connected in the two limiting grooves (9).
3. The probe holder for electrical measurement according to claim 1, wherein: the elastic force of the spring (5) is larger than the gravity of the whole detection plate (3).
4. The probe holder for electrical measurement according to claim 1, wherein: both ends of the nut (201) are fixedly connected with a hand-held rod (10).
5. The probe holder for electrical measurement according to claim 1, wherein: and one end, far away from the threaded rod (2), of the circuit board (1) is fixedly provided with a golden finger (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320205875.XU CN219715502U (en) | 2023-02-14 | 2023-02-14 | Probe fixture for electrical measurement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320205875.XU CN219715502U (en) | 2023-02-14 | 2023-02-14 | Probe fixture for electrical measurement |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219715502U true CN219715502U (en) | 2023-09-19 |
Family
ID=87984430
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320205875.XU Active CN219715502U (en) | 2023-02-14 | 2023-02-14 | Probe fixture for electrical measurement |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219715502U (en) |
-
2023
- 2023-02-14 CN CN202320205875.XU patent/CN219715502U/en active Active
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