CN219737555U

CN219737555U - SIR electric comb plate socket fixing jig and SIR electric comb plate testing device

Info

Publication number: CN219737555U
Application number: CN202320263963.5U
Authority: CN
Inventors: 高立宏
Original assignee: Jiaxin New Materials Huizhou Co ltd
Current assignee: Jiaxin New Materials Huizhou Co ltd
Priority date: 2023-02-17
Filing date: 2023-02-17
Publication date: 2023-09-22
Anticipated expiration: 2033-02-17

Abstract

The utility model relates to an SIR (interference ratio) comb plate socket fixing jig and an SIR comb plate testing device, wherein the socket fixing jig comprises a socket, a protective shell and a base, the socket is provided with a slot and a pin matched with the SIR comb plate, the protective shell is provided with a plug-in slot matched with the socket, the socket is plugged in the plug-in slot, the upper surface of the protective shell is provided with a first through slot, and the SIR comb plate is plugged into the slot through the first through slot; the protective housing fixed mounting is in on the base, be equipped with the second through groove in the base with the relative position department of grafting groove, the contact pin extends to in the second through groove. According to the utility model, the socket is fixed by adopting the protection shell matched with the base, the SIR electric comb plate is connected with the connecting wire through the socket, so that the problems that welding spots are fallen off or soldering flux, tin slag and the like are splashed to a test area, the surface of the SIR electric comb plate is polluted, and the accuracy of a test result is influenced are avoided, and the test efficiency and the test accuracy are improved.

Description

SIR electric comb plate socket fixing jig and SIR electric comb plate testing device

Technical Field

The utility model discloses electric comb board test equipment technical field, more specifically relates to a fixed tool of SIR electric comb board socket and SIR electric comb board testing arrangement.

Background

SIR, (surface insulation resistance ), has an extremely high surface insulation resistance value, and is commonly used as a reliability test of a circuit board by alternately connecting pairs of electrodes to form a comb-shaped circuit (Pattern) on a Printed Circuit Board (PCB), printing a solder paste, then continuously applying a certain BIAS VOLTAGE (BIAS VOLTAGE) under a certain high-temperature and high-humidity environment, and after a certain long-time test (24 h,48h,96h,168 h) and observing whether an instant short circuit or a slow leakage condition with insulation failure occurs between the lines, the test also helps to see whether any soldering flux or other chemical in the solder paste remains on the PCB board surface, which would affect the electrical characteristics of electronic parts.

Therefore, in the field of electronic assembly processes, it is necessary to detect the Surface Insulation Resistance (SIR) of a PCB in a hot and humid environment in order to secure the insulation performance of the PCB. The current common detection method is to use a standard PCB board of IPC-B-24 or IPC-B-25A as a test carrier to detect the insulation performance of the PCB board in a hot and humid environment (the temperature is 85 ℃ and the humidity is 85%RH) according to the related requirements in the IPC international standard.

In the prior art, a connecting wire is welded with a test point of a PCB (printed circuit board) by adopting a manual welding method, so that the PCB is in communication connection with detection equipment through the connecting wire, and the PCB is tested, if the welding point is improperly welded during welding, the welding point can fall off or soldering flux, tin slag and the like splash to a test area, the board surface of the PCB is polluted, and the accuracy of a test result is affected; therefore, the requirements on the skills of operators are high, the operators are not skilled in operation and easily have influence on the welding reliability such as cold welding, the deviation of test values is caused, the testing accuracy is influenced, the efficiency of the connecting mode is low, the welding is long, when the number of the tests is large, the time spent on 2-4H is not equal, and the manpower and material resources are consumed; in addition, a large amount of heat released during welding can also have a certain influence on the surface of the PCB, and can also have an influence on the test result.

Disclosure of Invention

The utility model provides an SIR electric comb plate socket fixing jig and an SIR electric comb plate testing device, which are used for solving the problems that in the prior art, a connecting wire is welded with a test point of a PCB by adopting a manual welding method, soldering flux residues exist, cold welding is easy to occur, the accuracy of a test value is affected, the manual welding is long in time consumption, manpower and material resources are consumed and the like.

An SIR comb receptacle fixture, comprising:

the socket is provided with a slot matched with the SIR comb plate and a pin, the slot is used for installing the SIR comb plate, and the pin is used for being welded with the connecting wire;

the protective shell is provided with a plug-in groove matched with the socket, the socket is plugged in the plug-in groove, a contact pin of the socket extends out of the lower end of the plug-in groove, a first through groove which can enable the SIR comb plate to pass through is formed in the position, opposite to the plug-in groove, of the upper surface of the protective shell, and the SIR comb plate passes through the first through groove and is plugged in a slot of the socket;

the protective housing fixed mounting is in on the base with the relative position department of grafting groove is equipped with the second through groove, the contact pin of socket extends the lower extreme of grafting groove and extends to in the second through groove.

Further, as the preferred technical scheme, the protective housing includes spacing apron and mount pad, spacing apron fixed mounting is in on the mount pad, the grafting groove is located on the mount pad, first logical groove is located on the spacing apron, spacing apron with peg graft to the up end of the socket in the grafting groove offsets. The protective housing adopts mount pad and spacing apron detachable structure, can make the socket of pegging graft in the protective housing realize changing.

Further, as a preferable technical scheme, a height difference exists between the end part of the pin of the socket and the bottom end of the second through groove. And a certain height difference exists between the contact pin and the second through groove, so that short circuit can be avoided.

Further, as a preferable technical scheme, a limit table is arranged at the lower end part of the plugging groove along a circumference of the inner wall of the plugging groove, and after the socket is plugged into the plugging groove, the lower end part of the socket abuts against the limit table. The spacing platform cooperates spacing apron to realize spacing fixed to the socket, prevents that the socket from rocking the aversion.

Further, as an optimized technical scheme, a first fixing hole is formed in the mounting seat along the periphery of the inserting groove, a second fixing hole matched with the first fixing hole is formed in the limiting cover plate, and the limiting cover plate is fixedly mounted on the mounting seat through a first fixing piece penetrating through the first fixing hole and the second fixing hole.

Further, as an optimized technical scheme, a third fixing hole is formed in the mounting seat along the periphery of the inserting groove, a fourth fixing hole matched with the third fixing hole is formed in the base, and the mounting seat is fixedly mounted on the base through a second fixing piece penetrating through the third fixing hole and the fourth fixing hole.

Further, as the preferable technical scheme, the protective housing adopts aluminum alloy material, the base adopts aluminum plate. The base adopts aluminum plate, can make the electric part of being connected with the contact pin and the protective housing between have the interval, avoid the short circuit in the use.

The SIR electric comb plate testing device is characterized by comprising a plurality of SIR electric comb plate socket fixing jigs and a testing frame, wherein the socket fixing jigs are fixedly arranged on the testing frame.

Further, as an preferable technical scheme, a plurality of layers of fixing plates are arranged on two opposite sides of the test frame along the height direction of the test frame, and a plurality of socket fixing jigs are respectively and fixedly installed on the fixing plates.

Further, as a preferable technical scheme, a fifth fixing hole is formed in the fixing plate, sixth fixing holes are formed in two ends of the socket fixing jig, and the socket fixing jig is fixedly mounted on the fixing plate of the test frame through a third fixing piece penetrating through the sixth fixing hole and the fifth fixing hole.

Compared with the prior art, the utility model has the beneficial effects that:

according to the SIR electric comb plate socket fixing jig, the socket is fixed by adopting the protection shell matched with the base, the SIR electric comb plate is connected with the connecting wire through the socket, the problem that the accuracy of a test result is affected due to the fact that welding spots, soldering flux, tin slag and the like are splashed to a test area when the welding points are directly welded with the connecting wire are avoided, meanwhile, the SIR electric comb plate can be directly connected with the socket in an inserting mode, the direct welding procedure with the connecting wire is omitted, the influence of a large amount of heat released during welding on the surface of the SIR electric comb plate is avoided, and the test efficiency and the test accuracy are improved. In addition, the socket can be conveniently detached and replaced after the service life of the socket expires, so that the use cost is saved.

According to the SIR electric comb plate testing device, the socket fixing jig is integrated, so that connecting wires connected with the socket fixing jig are integrated, and the device is convenient to detach and maintain.

Drawings

Fig. 1 is an exploded view of the SIR comb plate socket fixture according to the present utility model.

Fig. 2 is an exploded view of the SIR comb plate socket fixture according to the present utility model.

Fig. 3 is a cross-sectional view of the SIR comb plate socket fixture according to the present utility model.

Fig. 4 is a schematic diagram of a structure of a SIR comb receptacle fixture according to the present utility model.

Fig. 5 is a schematic diagram of a structure of a SIR comb receptacle fixture according to the present utility model.

Fig. 6 is a schematic structural diagram of an SIR comb plate testing device according to the present utility model.

Detailed Description

The utility model is further described below in connection with the following detailed description.

The same or similar reference numbers in the drawings of embodiments of the utility model correspond to the same or similar components; in the description of the present utility model, it should be understood that, if any, terms such as "upper," "lower," "left," "right," "top," "bottom," "inner," "outer," and the like indicate an orientation or a positional relationship based on that shown in the drawings, only for convenience in describing the present utility model and simplifying the description, but do not indicate or imply that the devices or elements being referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus the words describing the positional relationship in the drawings are merely for illustration and not to be construed as limiting the present patent.

Furthermore, the terms "first," "second," and the like, if any, are used for descriptive purposes only and are primarily for distinguishing between different devices, elements, or components (the particular categories and configurations may be the same or different) and are not intended to indicate or imply relative importance or quantity of the devices, elements, or components indicated, but are not to be construed as indicating or implying relative importance.

Example 1

In order to solve the problems that in the prior art, a manual welding method is adopted to weld a connecting wire with a test point of a PCB, flux residues exist, cold welding is easy to occur, accuracy of a test value is affected, manual welding is long in time consumption, manpower and material resources are consumed, and the like, the embodiment discloses an SIR (surface of interference ratio) electric comb plate socket fixing jig.

Referring to fig. 1-2, an exploded view of an SIR comb plate socket fixture according to an embodiment of the present utility model is shown.

The embodiment discloses a SIR comb plate socket fixing jig, as shown in fig. 1-2, includes: socket 1, protective housing 2 and base 3.

In this embodiment, the socket 1 has a slot 11 for mounting the SIR comb plate and a pin 12 for soldering with the connection wire, which is matched with the SIR comb plate, the slot 11 being used for mounting the SIR comb plate.

Meanwhile, because the SIR comb plate socket fixing jig of the embodiment is used for fixedly mounting the SIR comb plate so as to detect the Surface Insulation Resistance (SIR) of the SIR comb plate in a damp-heat environment, namely a test environment with the temperature of 85 ℃ and the humidity of 85%RH, namely, the SIR comb plate socket fixing jig needs to be used under the high-temperature and high-humidity condition with the temperature of 85 ℃ and the humidity of 85%RH for a long time, the reliability requirement on the SIR comb plate socket fixing jig is very high, the adopted socket 1 uses a material with double 85 performances, can be used under the high-temperature and high-humidity condition for a long time, has stable performance and keeps high insulation performance,

the protective shell 2 is provided with a plug-in groove 221 matched with the socket 1, and the socket 1 is plugged in the plug-in groove 221; the protective housing 2 is made of aluminum alloy, has excellent high temperature and high humidity resistance, is difficult to deform, has good double-85 resistance and high insulation resistance while fixing the socket 1, and improves the accuracy of SIR (electric interference ratio) comb plate testing. The contact pin 12 of the socket 1 inserted into the protective shell 2 extends out of the lower end of the insertion groove 221, a first through groove 211 which can enable the SIR comb plate to pass through is arranged at the position of the upper surface of the protective shell 2 opposite to the insertion groove 221, the SIR comb plate passes through the first through groove 211 and is inserted into the slot 11 of the socket 1, and the socket 1 is connected with a connecting wire to realize quick insertion and improve the testing efficiency.

As a preferred embodiment, the specific shape of the insertion groove 221 matches the shape of the socket 1 selected, and the specific shape of the insertion groove 221 will not be described here.

The protective housing 2 is fixedly mounted on the base 3, a second through groove 31 is arranged at the position of the base 3 opposite to the plug groove 221, and the contact pin 12 of the socket 1 extends out of the lower end of the plug groove 221 and into the second through groove 31. The base 3 adopts an aluminum plate, so that a space exists between an electric part connected with the contact pin 12 and the protective shell 2, the connection reliability is kept, the high insulation resistance is kept in the use process, and the short circuit in the use process is avoided.

As a preferred embodiment, there is a difference in height between the end of the pin 12 of the socket 1 and the bottom end of the second through slot 31. It can be understood that the end of the pin 12 of the socket 1 is located in the second through slot 31, and a certain height difference exists between the pin 12 and the second through slot 31, so that short circuit can be avoided, connection of the test connection wire is completed through welding, and interference possibly caused by welding with the SIR comb plate is reduced.

Referring to fig. 3, a cross-sectional view of an SIR comb plate socket fixture according to an embodiment of the present utility model is shown.

As a preferred embodiment, as shown in fig. 3, a limit stand 222 is provided at the lower end of the socket groove 221 along the circumference of the inner wall of the socket groove 221, and after the socket 1 is plugged into the socket groove 221, the lower end of the socket 1 abuts against the limit stand 222. The limiting table 222 can limit and fix the socket 1, prevent the socket 1 from shaking and shifting, and ensure the testing accuracy.

According to the embodiment, the socket 1 is fixed by adopting the protective shell 2 to be matched with the base 3, the SIR comb plate is connected with the connecting wire through the socket 1, the problem that the accuracy of a test result is affected by the fact that welding spots existing in direct welding with the connecting wire fall off or soldering flux, tin slag and the like splash to a test area and the face of the SIR comb plate is polluted is avoided, meanwhile, the direct welding procedure with the connecting wire is omitted because the SIR comb plate can be directly connected with the socket 1 in a plugging mode, the influence of a large amount of released heat on the surface of the SIR comb plate during welding is avoided, and the test efficiency and the test accuracy are improved. In addition, the socket 1 can be conveniently detached and replaced after the service life of the socket expires, so that the use cost is saved.

Example 2

The embodiment discloses a SIR comb plate socket fixing jig, which further describes a structure of a protective housing 2 and a connection structure of the protective housing 2 and a base 3 on the basis of embodiment 1.

With continued reference to fig. 1-2, the protective housing 2 includes a limiting cover 21 and a mounting seat 22, the limiting cover 21 is fixedly mounted on the mounting seat 22, the plugging slot 221 is located on the mounting seat 22, the first through slot 211 is located on the limiting cover 21, and the limiting cover 21 abuts against the upper end face of the socket 1 plugged into the plugging slot 221.

Meanwhile, the limit table 222 is arranged at the lower end of the plugging slot 221 along the periphery of the inner wall of the plugging slot 221, and the lower end of the socket 1 abuts against the limit table 222 after the socket 1 is plugged into the plugging slot 221. Therefore, the limiting cover plate 21 is matched with the limiting table 222 to limit and fix the socket 1, so that the socket 1 is prevented from shaking and shifting, meanwhile, the insertion of the SIR comb plate is more stable, and the testing accuracy is further guaranteed.

As a preferred embodiment, a first fixing hole is formed along a circumference of the plugging slot 221 on the mounting seat 22, a second fixing hole matched with the first fixing hole is formed on the limiting cover plate 21, and the limiting cover plate 21 is fixedly mounted on the mounting seat 22 through a first fixing piece passing through the first fixing hole and the second fixing hole.

A third fixing hole is formed in the mounting seat 22 along the periphery of the inserting groove 221, a fourth fixing hole matched with the third fixing hole is formed in the base 3, and the mounting seat 22 is fixedly mounted on the base 3 through a second fixing piece penetrating through the third fixing hole and the fourth fixing hole.

In this embodiment, screw holes may be used for the first fixing hole, the second fixing hole, the third fixing hole and the fourth fixing hole, and screws may be used for the first fixing member and the second fixing member, so as to realize detachable installation between the mounting cover plate 21 and the mounting seat 22, and detachable connection between the mounting seat 22 and the base 3.

Referring to fig. 4-5, a block diagram of an SIR comb receptacle fixture according to an embodiment of the present utility model is shown.

When the SIR comb plate socket fixing jig is assembled, the mounting seat 22 and the base 3 are locked and fixed through screws, then the socket 1 is inserted into the insertion groove 221 of the mounting seat 22, finally the mounting cover plate 21 and the mounting seat 22 are locked and fixed through screws, the mounting and fixing of the socket 1 are realized, and after the service life of the socket 1 expires, the mounting cover plate 21 can be detached for replacement.

Example 3

The embodiment discloses a SIR electric comb plate testing device, which is used for installing and fixing the SIR electric comb plate socket fixing jig in the embodiment so as to realize integrated testing.

Referring to fig. 6, a block diagram of an SIR comb testing apparatus according to an embodiment of the present utility model is shown.

As shown in fig. 6, the SIR comb board testing device includes a plurality of SIR comb board socket fixing jigs and a testing frame 4, and the plurality of socket fixing jigs are fixedly mounted on the testing frame 4.

Specifically, a plurality of layers of fixing plates 5 are provided on opposite sides of the test rack 4 in the height direction of the test rack 4, and a plurality of socket fixing jigs are respectively and fixedly mounted on the fixing plates 5.

Further specifically, a fifth fixing hole is formed in the fixing plate 5, a sixth fixing hole is formed in each of two ends of the socket fixing jig, and the socket fixing jig is fixedly mounted on the fixing plate 5 of the test frame 4 through a third fixing member penetrating through the sixth fixing hole and the fifth fixing hole.

As a preferred embodiment, the sixth fixing hole is located on the base 3 of the socket fixing jig, in the above embodiments 1 and 2, the socket fixing jig is assembled into a whole, and then the socket fixing jig is fixedly installed on the fixing plate 5 of the test rack 4 through the base 3, so that the socket fixing jig is integrally arranged, and the connecting wire connected with the socket fixing jig is integrated, so that the disassembly and maintenance are convenient.

It is to be understood that the above examples of the present utility model are provided by way of illustration only and not by way of limitation of the embodiments of the present utility model. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. It is not necessary here nor is it exhaustive of all embodiments. Any modification, equivalent replacement, improvement, etc. which come within the spirit and principles of the utility model are desired to be protected by the following claims.

Claims

1. SIR comb plate socket fixing jig, its characterized in that includes:

a socket (1) having a slot (11) and a pin (12) matched with the SIR comb plate, the slot (11) being used for mounting the SIR comb plate, the pin (12) being used for soldering with a connection wire;

the protective shell (2) is provided with a plug-in groove (221) matched with the socket (1), the socket (1) is plugged in the plug-in groove (221), a contact pin (12) of the socket (1) extends out of the lower end of the plug-in groove (221), a first through groove (211) which can enable the SIR electric comb plate to pass through is arranged on the upper surface of the protective shell (2) at the position opposite to the plug-in groove (221), and the SIR electric comb plate passes through the first through groove (211) and is plugged in a slot (11) of the socket (1);

the socket comprises a base (3), wherein the protective shell (2) is fixedly arranged on the base (3), a second through groove (31) is formed in the position, opposite to the plug groove (221), of the base (3), and a contact pin (12) of the socket (1) extends out of the lower end of the plug groove (221) and extends into the second through groove (31).

2. The SIR comb plate socket fixing jig according to claim 1, wherein the protective case (2) comprises a limit cover plate (21) and a mounting seat (22), the limit cover plate (21) is fixedly mounted on the mounting seat (22), the plugging slot (221) is located on the mounting seat (22), the first through slot (211) is located on the limit cover plate (21), and the limit cover plate (21) abuts against the upper end face of the socket (1) plugged into the plugging slot (221).

3. The SIR comb plate socket fixing jig according to claim 1, wherein the end of the pin (12) of the socket (1) has a height difference from the bottom end of the second through slot (31).

4. The SIR comb plate socket fixing jig according to claim 2, wherein a limit table (222) is provided at a lower end portion of the insertion groove (221) along a circumference of an inner wall of the insertion groove (221), and after the socket (1) is inserted into the insertion groove (221), the lower end portion of the socket (1) abuts against the limit table (222).

5. The SIR comb plate socket fixing jig according to claim 2, wherein a first fixing hole is formed in the mounting base (22) along a circumference of the insertion groove (221), a second fixing hole matched with the first fixing hole is formed in the limit cover plate (21), and the limit cover plate (21) is fixedly mounted on the mounting base (22) through a first fixing piece penetrating through the first fixing hole and the second fixing hole.

6. The SIR comb plate socket fixing jig according to claim 2, wherein a third fixing hole is formed in the mounting base (22) along a circumference of the insertion groove (221), a fourth fixing hole matched with the third fixing hole is formed in the base (3), and the mounting base (22) is fixedly mounted on the base (3) through a second fixing member penetrating through the third fixing hole and the fourth fixing hole.

7. The SIR comb plate socket fixing jig according to claim 1, wherein the protective housing (2) is made of aluminum alloy, and the base (3) is made of aluminum plate.

8. SIR comb plate testing device, characterized in that it comprises a plurality of SIR comb plate socket fixing jigs according to any one of claims 1-7 and a test frame (4), a plurality of said socket fixing jigs being fixedly mounted on said test frame (4).

9. The SIR comb plate testing apparatus as claimed in claim 8, wherein a plurality of fixing plates (5) are provided on opposite sides of the test frame (4) in a height direction of the test frame (4), and a plurality of the socket fixing jigs are fixedly mounted on the fixing plates (5), respectively.

10. The SIR comb plate testing apparatus as claimed in claim 9, wherein a fifth fixing hole is provided in the fixing plate (5), sixth fixing holes are provided at both ends of the socket fixing jig, and the socket fixing jig is fixedly mounted on the fixing plate (5) of the test frame (4) through a third fixing member passing through the sixth fixing hole and the fifth fixing hole.