CN217639208U - Auxiliary tool and auxiliary assembly for contact discharge test - Google Patents

Abstract

The utility model discloses an appurtenance and auxiliary assembly for contact discharge test, appurtenance includes: a tool body. The tool body is electrically conductive, and the tool body is formed with the holding tank that has first opening, and the rifle head of static rifle is suitable for stretching into to the holding tank in through first opening, and the diapire of holding tank constitutes the contact surface, and the rifle head is suitable for the contact surface, connects the test wire on the module under test and is suitable for being connected with the tool body. Through set up the holding tank that is used for holding the rifle head of static rifle on the instrument body, the rifle head of static rifle can stretch into in the holding tank to appurtenance, and makes the contact surface contact of rifle head and holding tank, can realize the rifle head of static rifle and contact surface stable contact like this, can avoid the production at contact discharge in-process electric arc, guarantees the stability when contact discharge better, can detect the electrostatic protection ability by test module effectively.

Description

Auxiliary tool and auxiliary assembly for contact discharge test

Technical Field

The utility model belongs to the technical field of the ESD test and specifically relates to an appurtenance and auxiliary assembly for contact discharge test is related to.

Background

The electrostatic protection capability of electronic devices is generally tested by means of contact discharge. When carrying out the contact discharge test to being tested the module, be connected with the test wire on the module being tested, with the rifle head direct contact of static rifle to being tested the test wire surface on the module and discharging, because the rifle head of static rifle is less, and the end smooth yielding of being discharged of test wire, the atress will produce the displacement a little, can't the stable contact between rifle head and the test wire, often can produce electric arc among the contact discharge process, the voltage value that leads to being actually accepted by the test module is not conform to the voltage value that the static rifle set for, can't detect effectively by the electrostatic protection ability of test module.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, an object of the utility model is to provide an appurtenance for contact discharge test, this appurtenance has and helps contact stably between the rifle head and the test wire of static rifle in the contact discharge test procedure to improve the stability of contact discharge test, can detect effectively by test module's electrostatic protection ability.

The utility model also provides an auxiliary assembly who has above-mentioned appurtenance that is used for contacting the discharge test.

According to the utility model discloses an appurtenance for contact discharge test of first aspect embodiment includes: the tool comprises a tool body, wherein the tool body is a conductive piece, a containing groove with a first open port is formed in the tool body, a gun head of an electrostatic gun is suitable for extending into the containing groove through the first open port, a bottom wall of the containing groove forms a contact surface, the gun head is suitable for contacting the contact surface, and a test lead connected to a tested module is suitable for being connected with the tool body.

According to the utility model discloses an appurtenance for contact discharge test, through set up the holding tank that is used for holding the rifle head of static rifle on the instrument body, and link to each other with connecting in the test wire by test module through the instrument body, when testing by test module, the rifle head of static rifle can stretch into in the holding tank to appurtenance, and make the contact surface contact of rifle head and holding tank, the rifle head that can realize static rifle like this and contact surface stationary contact, can avoid the production at contact discharge in-process electric arc, stability when guaranteeing contact discharge better, can detect the electrostatic protection ability by test module effectively.

According to some embodiments of the utility model, the shape of holding tank is suitable for with the shape looks adaptation of rifle head, by the contact surface to in the direction of first open mouth, the cross-sectional area of holding tank increases gradually.

According to some embodiments of the invention, the tool body is formed with a receiving hole having a second open mouth, the test wire is adapted to extend into the receiving hole through the second open mouth and to be connected with the tool body.

According to some optional embodiments of the present invention, the shape of the receiving hole is adapted to be adapted to the shape of the test wire, and the cross-sectional area of the receiving hole is constant along the axial direction of the receiving hole.

According to some optional embodiments of the utility model, be formed with the line hole on the wall of accommodation hole, the test wire is suitable for to pass through the second is opened mouthful and is stretched into to the accommodation hole is worn to locate the line hole, the test wire passes through the line hole stretch out to the part outside the accommodation hole is suitable for around locating the periphery wall of tool body.

According to some optional embodiments of the utility model, the tool body includes tool body and backup pad, be formed with in the tool body and run through the cavity of tool body, the relative both sides of cavity all open in order to form respectively first uncovered opening with the second uncovered opening, the backup pad is located in the cavity in order to with the cavity partition is for being located the relative both sides of thickness direction of support plate the holding tank with the accommodation hole, at least part constitution of backup pad the diapire of holding tank.

In some optional embodiments of the present invention, the tool main body is formed into a tubular structure, the portions of the tool main body located on opposite sides of the thickness direction of the supporting plate are a fitting pipe and a connecting pipe, respectively, the fitting pipe and the supporting plate define the accommodating groove therebetween, and the connecting pipe and the supporting plate define the accommodating hole therebetween.

In some embodiments of the present invention, the fitting pipe is in a shape of a circular truncated cone, the connecting pipe is in a shape of a cylinder, and the small end of the fitting pipe is connected to the connecting pipe.

According to some embodiments of the invention, the test lead and the tool body are adapted for a welded connection; and/or the auxiliary tool is an integrally formed part.

According to the utility model discloses an auxiliary assembly for contact discharge test of second aspect embodiment includes:

according to the utility model discloses the appurtenance that is used for the contact discharge test of supplementary first aspect embodiment;

the test wire is suitable for being connected to a module to be tested and is suitable for being connected with the tool body.

According to the utility model discloses an electrostatic protection ability by test module can be detected effectively in the production of avoiding electric arc in the contact discharge test process to the stability when can guarantee contact discharge better for the auxiliary assembly for contact discharge test through setting up foretell appurtenance.

Additional aspects and advantages of the invention 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 invention.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

fig. 1 is a schematic diagram of the mating of an electrostatic gun, an accessory assembly, and a module under test according to some embodiments of the present invention;

fig. 2 is a schematic view of an auxiliary tool according to some embodiments of the present invention.

Reference numerals:

100. an auxiliary tool;

10. a tool body;

1. a tool body; 11. a mating tube; 12. a connecting pipe; 13. an accommodation hole; 130. a second open mouth; 14. a wire passing hole; 15. accommodating grooves; 150. a first open mouth; 2. a support plate;

20. testing the lead;

30. an electrostatic gun;

3. a gun head;

40. and (5) a module to be tested.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

An auxiliary tool 100 for contact discharge testing according to an embodiment of the present invention is described below with reference to fig. 1-2.

According to the utility model discloses an appurtenance 100 for contact discharge test of first aspect embodiment includes: a tool body 10. The tool body 10 is a conductive member having conductivity. The tool body 10 is provided with a containing groove 15, the containing groove 15 is provided with a first open opening 150, the gun head 3 of the electrostatic gun 30 is suitable for extending into the containing groove 15 through the first open opening 150, the bottom wall of the containing groove 15 forms a contact surface, the gun head 3 is suitable for contacting the contact surface, the test lead 20 is connected to the tested module 40, the test lead 20 is suitable for being connected with the tool body 10, the gun head 3 can be in electrical contact with the contact surface, and the gun head 3 can be electrically connected with the test lead 20. The test wire 20 and the tool body 10 are adapted for a soldered connection. For example, the test lead 20 may be directly soldered to the tool body 10 by using solder, so as to ensure stable electrical connection between the test lead 20 and the tool body 10.

For example, when the module under test 40 is subjected to a contact discharge test, the test lead 20 may be connected to the module under test 40 by welding, the test lead 20 is also connected to the tool body 10, both the tool body 10 and the test lead 20 have conductivity, and the module under test 40 may be an electronic product or a part of an electronic product; the gun head 3 of the electrostatic gun 30 can extend into the accommodating groove 15 of the tool body 10 through the first open hole 150 and can be stably contacted with the bottom wall (namely a contact surface) of the accommodating groove 15, the accommodating groove 15 can play a certain limiting role on the gun head 3, so that the gun head 3 and the contact surface are not easy to displace, and the gun head 3 and the contact surface can be stably electrically contacted; further, the discharge switch of the electrostatic gun 30 is opened to perform a contact discharge test on the module under test 40.

According to the utility model discloses an appurtenance 100 for contact discharge test, through set up holding tank 15 that is used for holding rifle head 3 of static rifle 30 on tool body 10, and link to each other with connecting in the test wire 20 by test module 40 through tool body 10, when testing by test module 40, rifle head 3 of static rifle 30 can stretch into in appurtenance 100's holding tank 15, and make rifle head 3 and holding tank 15's contact surface contact, rifle head 3 that can realize static rifle 30 and contact surface stationary contact like this, can avoid the production at contact discharge in-process electric arc, stability when guaranteeing contact discharge better, can detect the electrostatic protection ability by test module 40 effectively.

According to some embodiments of the present invention, referring to fig. 1, the shape of receiving groove 15 is adapted to fit the shape of lance tip 3, and the size of receiving groove 15 may fit the size of lance tip 3, with the cross-sectional area of receiving groove 15 increasing gradually in the direction from the contact surface to first open mouth 150. For example, the lance tip 3 may be conical, the lance tip 3 extends into the accommodating groove 15 of the tool body 10 and contacts with the bottom wall of the accommodating groove 15, and the cross-sectional area of the lance tip 3 is gradually reduced in the direction from the first open hole 150 to the contact surface, so that mutual friction between the accommodating groove 15 and the lance tip 3 caused by the shape and size mismatch of the accommodating groove 15 and the lance tip 3 can be prevented, or the lance tip 3 cannot contact with the bottom wall of the accommodating groove 15, and the stability of contact discharge can be ensured.

According to some embodiments of the present invention, referring to fig. 1, the tool body 10 is formed with a receiving hole 13, the receiving hole 13 has a second open 130, the test wire 20 is adapted to extend into the receiving hole 13 through the second open 130 and connected to the tool body 10, so that the test wire 20 and the receiving hole 13 can be conveniently assembled; the tool body 10 is formed with a receiving groove 15, and the receiving groove 15 has a first open opening 150. For example, the first open hole 150 and the second open hole 130 are respectively located at two ends of the tool body 10, when performing a contact discharge test, the test lead 20 extends into the accommodating hole through the second open hole 130 to be connected with the tool body 10, and the gun head 3 of the electrostatic gun 30 extends into the accommodating groove 15 through the first open hole 150 to be in contact with a contact surface formed by the bottom wall of the accommodating groove 15, so that the gun head 3 and the test lead 20 can be electrically connected stably.

According to some optional embodiments of the present invention, referring to fig. 1 and 2, the shape of the receiving hole 13 is adapted to match the shape of the test wire 20, so that the test wire 20 and the receiving hole 13 can be easily assembled. The cross-sectional area of the accommodation hole 13 is constant along the axial direction of the accommodation hole 13. For example, the cross-sectional area of the test wire 20 may be smaller than the cross-sectional area of the receiving hole 13, so that the test wire 20 can extend into the receiving hole 13 to be connected with the tool body 10.

Optionally, a wire passing hole 14 is formed in a wall of the accommodating hole 13, the test wire 20 is adapted to extend into the accommodating hole 13 through the second open opening 130 and to pass through the wire passing hole 14, and a portion of the test wire 20 extending out of the accommodating hole 13 through the wire passing hole 14 is adapted to surround an outer peripheral wall of the tool body 10. For example, the wire through hole 14 may have a circular shape, and the size of the wire through hole 14 is adapted to match the thickness of the test wire 20. The test lead 20 can be fixed to the tool body 10 by soldering around the peripheral wall of the tool body 10, so that stable electrical connection between the test lead 20 and the tool body 10 can be achieved, which contributes to improvement of stability of contact discharge.

According to some optional embodiments of the present invention, referring to fig. 2, the tool body 10 includes a tool main body 1 and a support plate 2, a cavity penetrating through the tool body 10 is formed in the tool main body 1, opposite sides of the cavity are all opened to form a first opening 150 and a second opening 130, respectively, the support plate 2 is disposed in the cavity to partition the cavity into a receiving groove 15 and a receiving hole 13 located on opposite sides of the thickness direction of the support plate 2, and at least a part of the support plate 2 constitutes a bottom wall of the receiving groove 15. For example, the shape and size of the support plate 2 are adapted to the shape and size of the cross section of the accommodation hole 13, and the support plate 2 has conductivity; when the contact discharge test is performed, the tested module 40 is connected with the test lead 20, the test lead 20 extends into the accommodating hole 13 through the second open hole 130 to be stably connected with the tool main body 1, the gun head 3 of the electrostatic gun 30 extends into the accommodating groove 15 through the first open hole 150 to be stably contacted with the supporting plate 2, so that the gun head 3 and the test lead 20 are stably electrically connected, the stability of contact discharge is further improved, and the electrostatic protection capability of the tested module 40 can be effectively detected.

In some optional embodiments of the present invention, referring to fig. 2, the tool main body 1 is formed in a tubular structure, the portions of the tool main body 1 located on the opposite sides of the thickness direction of the support plate 2 are a fitting pipe 11 and a connecting pipe 12, respectively, an accommodating groove 15 is defined between the fitting pipe 11 and the support plate 2, and an accommodating hole 13 is defined between the connecting pipe 12 and the support plate 2. The tool main body 1 is simple in structure and arrangement, and materials can be saved.

Alternatively, the fitting tube 11 has a truncated cone shape, the connecting tube 12 has a cylindrical shape, and the small end of the fitting tube 11 is connected to the connecting tube 12. For example, the shape and size of the portion of the small end of the fitting tube 11 connected to the connecting tube 12 may be adapted. The structure of the matching pipe 11 and the connecting pipe 12 is simple, and materials can be saved.

According to some embodiments of the present invention, referring to fig. 1 and 2, the tool body 10 may include a support plate 2, a circular truncated cone-shaped fitting pipe 11, and a cylindrical connection pipe 12, and the support plate 2, the fitting pipe 11, and the connection pipe 12 all have conductivity. The matching pipe 11 and the connecting pipe 12 can be positioned at two opposite sides of the supporting plate 2 in the thickness direction, and the small end of the matching pipe 11 is connected with the connecting pipe 12; the matching tube 11 and the connecting tube 12 are both provided with through cavities, a receiving groove 15 is defined between the matching tube 11 and the support plate 2, a receiving hole 13 is defined between the connecting tube 12 and the support plate 2, the receiving groove 15 is provided with a first open hole 150, the receiving hole 13 is provided with a second open hole 130, and the gun head 3 of the electrostatic gun 30 can extend into the receiving groove 15 through the first open hole 150 and is stably contacted with the bottom wall of the receiving groove 15 formed by the support plate 2; the test wire 20 can be soldered to the connecting tube 12, so that the test wire 20 is electrically connected to the connecting tube 12, and the test wire 20 is connected to the module under test 40, thereby improving the stability of contact discharge.

For example, when the module 40 to be tested is subjected to a contact discharge test, the tool body 10 and the test lead 20 both have conductivity, the gun head 3 of the electrostatic gun 30 can be inserted into the accommodating groove 15 of the tool body 10 through the first open hole 150 and stably contacted with the bottom wall of the accommodating groove 15, and then a discharge switch of the electrostatic gun 30 can be opened to perform the contact discharge test on the module 40 to be tested; after the contact discharge test is completed, the electrostatic gun 30 is turned off, the tool body 10 and the test wire 20 for the contact discharge test can be removed from the module under test 40, and the tool body 10 and the test wire 20 can be recycled.

According to some embodiments of the present invention, the auxiliary tool 100 is an integrally formed part.

According to the utility model discloses an auxiliary assembly for contact discharge test of second aspect embodiment includes: the auxiliary tool 100 for contact discharge test and the test wire 20 according to the embodiment of the first aspect of the present invention. The test lead 20 is adapted to be connected to the module under test 40, and the test lead 20 is adapted to be connected to the tool body 10.

According to the utility model discloses an auxiliary assembly for contact discharge test through setting up foretell appurtenance 100, can guarantee the stability when contact discharge better, avoids the production of electric arc in the contact discharge test procedure, can detect the electrostatic protection ability by test module 40 effectively.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.

Claims (10)

1. An auxiliary tool for contact discharge testing, comprising:

the tool body is a conductive piece, a containing groove with a first open opening is formed in the tool body, a gun head of the electrostatic gun is suitable for extending into the containing groove through the first open opening, a bottom wall of the containing groove forms a contact surface, the gun head is suitable for contacting the contact surface, and a test lead connected to a tested module is suitable for being connected with the tool body.

2. The aid tool for contact discharge testing according to claim 1, wherein the receiving groove is shaped to conform to the shape of the lance tip, and the receiving groove has a cross-sectional area that increases in a direction from the contact surface to the first open mouth.

3. The auxiliary tool for contact discharge testing according to claim 1, wherein the tool body is formed with a receiving hole having a second open opening, and the test wire is adapted to protrude into the receiving hole through the second open opening and to be connected with the tool body.

4. The auxiliary tool for contact discharge testing according to claim 3, wherein the receiving hole has a shape adapted to fit the shape of the test wire, and a cross-sectional area of the receiving hole is constant in an axial direction of the receiving hole.

5. The auxiliary tool for contact discharge test of claim 3, wherein a wire passing hole is formed in a wall of the accommodating hole, the test wire is adapted to extend into the accommodating hole through the second opening and to pass through the wire passing hole, and a portion of the test wire extending out of the accommodating hole through the wire passing hole is adapted to be wound around an outer peripheral wall of the tool body.

6. The auxiliary tool for contact discharge testing according to claim 3, wherein the tool body includes a tool main body and a support plate, a cavity penetrating through the tool main body is formed in the tool main body, opposite sides of the cavity are open to form the first open opening and the second open opening, respectively, the support plate is disposed in the cavity to divide the cavity into the receiving groove and the receiving hole on opposite sides of the support plate in a thickness direction, and at least a portion of the support plate constitutes a bottom wall of the receiving groove.

7. The auxiliary tool for contact discharge testing according to claim 6, wherein the tool body is formed in a tubular structure, the portions of the tool body located on opposite sides in a thickness direction of the support plate are a fitting tube and a connecting tube, respectively, the fitting tube and the support plate define the receiving groove therebetween, and the connecting tube and the support plate define the receiving hole therebetween.

8. The auxiliary tool for contact discharge testing as claimed in claim 7, wherein the fitting tube has a truncated cone shape, the connection tube has a cylindrical shape, and a small end of the fitting tube is connected to the connection tube.

9. The auxiliary tool for contact discharge testing of claim 1, wherein the test lead and the tool body are adapted for solder connection; and/or the auxiliary tool is an integrally formed part.

10. An auxiliary assembly for contact discharge testing, comprising:

the aid according to any one of claims 1-9;

the test wire is suitable for being connected to a module to be tested and is suitable for being connected with the tool body.

Images