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CN-224216733-U - Auxiliary device

CN224216733UCN 224216733 UCN224216733 UCN 224216733UCN-224216733-U

Abstract

The utility model provides an auxiliary device for assisting a chip in testing. The chip is provided with at least one pin, and the auxiliary device comprises a guide pin mechanism and a fixing mechanism for detachably fixing the guide pin mechanism on the chip. The lead mechanism includes at least one lead assembly including a lead having opposed first and second ends, the first end of the lead being for connection to a test device and the second end of the lead being for abutment with a target pin. The test equipment is used for providing test signals, and the test signals are transmitted to the target pins through the guide pins which are abutted against the target pins so as to realize functional test of the chip. The auxiliary device is used for assisting the chip to perform the installation operation during the test conveniently and quickly, spends less time and does not damage the pins of the chip.

Inventors

  • CHAI KE

Assignees

  • 深圳市广和通无线股份有限公司

Dates

Publication Date
20260508
Application Date
20250415

Claims (10)

  1. 1. The auxiliary device is used for assisting a chip to test, and the chip is provided with at least one pin, and is characterized by comprising a guide pin mechanism and a fixing mechanism for detachably fixing the guide pin mechanism on the chip; the guide pin mechanism comprises at least one guide pin assembly, each guide pin assembly comprises a guide pin with a first end and a second end which are opposite, the first end of the guide pin is used for being connected with test equipment, and the second end of the guide pin is used for being abutted against a target pin; The test equipment is used for providing test signals, and the test signals are transmitted to the target pins through the guide pins which are abutted against the target pins so as to realize functional test of the chip.
  2. 2. The auxiliary device of claim 1, wherein at least one pin groove is formed in a side peripheral wall of the chip, the pins are in one-to-one correspondence with the pin grooves, at least one part of each pin is positioned in a corresponding pin groove, and the second end of the guide pin is configured to be inserted into the corresponding pin groove of the target pin and abut against the target pin; When the guide pin mechanism comprises a plurality of guide pin assemblies, the first ends of the guide pins corresponding to the guide pin assemblies extend towards the same side of the chip in the thickness direction.
  3. 3. The auxiliary device of claim 2, wherein each of said lead assemblies further comprises a mounting block, said lead being threaded to said mounting block, and wherein said first and second ends of said lead are located beyond opposite sides of said mounting block; When the guide pin mechanism is detachably fixed on the chip, one side of the mounting block, which is close to the second end of the guide pin, is abutted to one side of the chip in the thickness direction.
  4. 4. A supplemental device as claimed in claim 3, wherein the guide pin comprises a first needle section, a second needle section, and a third needle section connected between the first needle section and the second needle section, the first needle section and the second needle section being spaced apart along the first direction and each extending along the first direction, the third needle section extending at an angle to the first direction; The guide pin comprises a guide pin body, a first needle section, a second needle section, a mounting block, a fixing mechanism and a chip, wherein one end of the first needle section, which is far away from the second needle section, forms a first end of the guide pin, one end of the second needle section, which is far away from the first needle section, forms a second end of the guide pin, the mounting block is sleeved on the first needle section and/or the third needle section, and when the guide pin mechanism is detachably fixed on the chip, the first needle section is positioned on one side of the second needle section, which is close to the chip.
  5. 5. The auxiliary device according to any one of claims 1 to 4, wherein the guide pin mechanism comprises a plurality of guide pin assemblies detachably combined, each guide pin assembly further comprises a mounting block to which a guide pin of the guide pin assembly is penetratingly mounted; In every two adjacent guide pin assemblies, one guide pin assembly mounting block is provided with a first connecting portion, and the other guide pin assembly mounting block is provided with a second connecting portion, and the first connecting portion is detachably matched with the second connecting portion so that the two adjacent guide pin assemblies can be detachably connected.
  6. 6. The auxiliary device according to claim 5, wherein said lead mechanism comprises at least one transition block, each said transition block being disposed between two said lead assemblies; The transition block is provided with a third connecting portion, each guide pin assembly mounting block adjacent to the transition block is provided with a fourth connecting portion, and the third connecting portion and the fourth connecting portion are detachably matched so that the transition block can be detachably connected between the two guide pin assemblies.
  7. 7. The auxiliary device according to claim 6, wherein a plurality of the guide pin assemblies and at least one of the transition blocks are arranged and combined according to a preset rule, so that when the fixing mechanism detachably fixes the guide pin mechanism to the chip, the guide pin mechanism extends along the circumferential direction of the chip, and at least one guide pin assembly is distributed on two opposite sides of the chip in a preset dimension direction, wherein the preset dimension direction is perpendicular to the thickness direction of the chip; The fixing mechanism comprises at least two lock catch assemblies, at least one lock catch assembly is arranged on at least one guide pin assembly on one side of the chip in the preset size direction, at least one lock catch assembly is arranged on at least one guide pin assembly on the other side of the chip in the preset size direction, and each lock catch assembly is configured to clamp the side peripheral wall of the chip when the guide pin mechanism is detachably fixed on the chip by the fixing mechanism.
  8. 8. The auxiliary device according to claim 7, wherein the first end and the second end of the guide pin extend along a first direction, the latch assembly is disposed on one side of the mounting block in a second direction, and the first direction, the second direction and the third direction are perpendicular to each other; The locking assembly comprises a first rotating shaft, a second rotating shaft, a lever member, a top stopping member and an elastic member, wherein the first rotating shaft is fixedly connected to the mounting block, the lever member is provided with a first end, a second end and a connecting part positioned between the two ends, the connecting part is rotationally connected to the first rotating shaft, the two ends of the lever member are positioned on one side of the first rotating shaft, which is close to the second end of the guide pin, the two ends of the lever member are spaced along the third direction and are respectively positioned on the two opposite sides of the first rotating shaft in the third direction, the first end of the lever member is far away from the second end of the guide pin compared with the second end of the lever member, the first end of the lever member and the first end of the top stopping member are both rotationally connected to the second rotating shaft, the second end of the top stopping member is a free end, and the elastic member is connected to the lever member; The fixing mechanism is used for detachably fixing the guide pin mechanism on the chip, the first direction is parallel to the thickness direction of the chip, the second direction is parallel to the extending direction of a part of the side peripheral wall of the chip adjacent to the mounting block, the second end of the ejection stopping piece is configured to move along the first direction and towards one side away from the second end of the guide pin under the action of external force so as to drive the lever piece to rotate forwards around the first rotating shaft until the second end of the lever piece clamps the side peripheral wall of the chip, the elastic piece is driven by the lever piece to generate elastic force, and the elastic force is configured to drive the lever piece to rotate reversely around the first rotating shaft until the lever piece returns to an initial position when the external force is removed.
  9. 9. The auxiliary device according to claim 8, wherein the mounting block comprises a mounting block body and a first mounting plate, the first rotating shaft is fixedly connected to the mounting block body, the first mounting plate is arranged on one side of the mounting block body in the second direction and on one side of the first rotating shaft away from the top stopping member, and the elastic member is a spring with one end connected to the first mounting plate and the other end connected to the lever member.
  10. 10. The auxiliary device according to claim 9, wherein the mounting block includes a second mounting plate, the second mounting plate and the first mounting plate are spaced apart along the third direction and are respectively located at two opposite sides of the first rotating shaft, a guide groove is formed in a side of the second mounting plate facing away from the mounting block main body, at least a portion of one end of the second rotating shaft, which is close to the mounting block main body, is accommodated in the guide groove, and the guide groove is configured to guide the second rotating shaft to move along the first direction.

Description

Auxiliary device Technical Field The utility model relates to the technical field of auxiliary devices, in particular to an auxiliary device for auxiliary chip testing. Background In the prior art, one of the common methods for performing functional testing on a chip is to solder out pins of the chip for controlling the function to be tested, and then continuously pull down or pull up the pin level, thereby realizing the functional testing of the chip. However, each time the chip is tested, the pins are required to be welded, so that time is consumed, and the pins of the chip are easily damaged by multiple times of welding. Disclosure of utility model The present utility model aims to solve at least one of the problems of the prior art. Therefore, the auxiliary device is used for assisting the mounting operation of the chip in testing, is convenient and quick, takes less time and does not damage the pins of the chip. In order to achieve the above-mentioned purpose, the present utility model provides an auxiliary device for assisting a chip to perform a test, the chip being provided with at least one pin, the auxiliary device comprising a guide pin mechanism and a fixing mechanism for detachably fixing the guide pin mechanism to the chip; the guide pin mechanism comprises at least one guide pin assembly, each guide pin assembly comprises a guide pin with a first end and a second end which are opposite, the first end of the guide pin is used for being connected with test equipment, and the second end of the guide pin is used for being abutted against a target pin; The test equipment is used for providing test signals, and the test signals are transmitted to the target pins through the guide pins which are abutted against the target pins so as to realize functional test of the chip. Compared with the prior art, the auxiliary device has the advantages that the auxiliary device comprises the guide pin mechanism and the fixing mechanism for detachably fixing the guide pin mechanism on the chip, the whole structure is simple, the installation operation is convenient and rapid, the time is less when the guide pin mechanism is used for assisting in testing the chip, after the guide pin mechanism is detachably fixed on the chip, one end of the guide pin contained in the guide pin mechanism is connected with test equipment, the other end of the guide pin is abutted against a target pin of the chip, and the transmission of test signals can be realized to complete the functional test of the chip, and compared with the mode of welding in the prior art, the guide pin and the target pin are mutually abutted, so that the pins of the chip are not damaged. Additional aspects and advantages of the utility model will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model. Drawings In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art. Fig. 1 is an application scenario diagram of an auxiliary device for chip testing according to an embodiment of the present utility model. Fig. 2 is a schematic perspective view of the chip shown in fig. 1. Fig. 3 is a schematic perspective view of the auxiliary device shown in fig. 1. Fig. 4 is a cross-sectional view of the auxiliary device and chip shown in fig. 1 taken along the I-I direction. Fig. 5 is an enlarged schematic view of the portion a shown in fig. 4. Fig. 6 is a schematic perspective view of the guide pin assembly shown in fig. 1 and a latch assembly in a latch state. Fig. 7 is a schematic perspective view of the guide pin shown in fig. 6. Fig. 8 is a schematic perspective view of the transition block of fig. 3. Fig. 9 is a side view of the lead assembly of fig. 6 with the latch assembly in an initial state. Fig. 10 is a side view of the guide pin assembly of fig. 9 with the latch assembly in a latched state. Fig. 11 is a schematic perspective view of the mounting block of fig. 6. Fig. 12 is a schematic view of the structure of the lever member shown in fig. 6. Fig. 13 is a side view of a guide pin assembly and a latch assembly in a latched state according to another embodiment of the present utility model. The main reference numerals illustrate: 1000-auxiliary device, 1100-guide pin mechanism, 1200-fixing mechanism, 2000-chip, 2100-chip main board, 2110-pins, 2120-pin slot, 2200-package cover plate; 1-guide pin assembly, 11-guide pin, 11 a-guide pin first end, 11 b-guide pin second end, 111-first pin segment, 112-second pin segment, 113-third pin segment, 12-mounting block, 120-mounting block body, 121-first mounting