JP2020091980A - Characteristics inspection apparatus of multi-pole connector - Google Patents

Abstract

To provide an inspection apparatus capable of inspecting characteristics of a multi-pole connector.SOLUTION: An inspection apparatus for inspecting characteristics of a multi-pole connector includes a pair of boards where a first multi-pole connector and a second multi-pole connector are fitted to each other, a first connector, a second connector, and a jig coming into contact with the first connector and the second connector, and holding the pair of boards. In the plan view of the pair of boards, the jig is provided at a position not overlapping the first multi-pole connector and the second multi-pole connector, and an air layer is provided at the overlapping position of the first multi-pole connector and the second multi-pole connector.SELECTED DRAWING: Figure 1

Description

The present invention relates to an inspection device for inspecting characteristics of a multipolar connector.

Conventionally, an inspection device for inspecting the characteristics of a multipolar connector has been disclosed (see, for example, Patent Document 1).

The inspection device of Patent Document 1 is a device for inspecting the presence or absence of misalignment of the contact portions of a plurality of terminals of a multipolar connector.

JP-A-9-320727

With respect to such an inspection device, it is required to develop a technique capable of inspecting the characteristics of the multipolar connector with higher accuracy.

Therefore, an object of the present invention is to provide an inspection device that can inspect the characteristics of a multipolar connector with higher accuracy.

In order to achieve the above-mentioned object, the inspection device of the present invention is an inspection device for inspecting the characteristics of a multipolar connector, and includes a first board on which a male first multipolar connector is mounted and a female connector. A second board on which the second multi-pole connector is mounted, and a pair of boards in which the first multi-pole connector and the second multi-pole connector are fitted to each other, and the second board is attached to the first board. A first connector electrically connected to the first multi-pole connector through a transmission line formed on the first substrate, and a connector attached to the second substrate, the connector being formed on the second substrate. A pair of boards, the second connector being electrically connected to the second multi-pole connector through the transmission line, and a jig for contacting the first connector and the second connector to hold the pair of boards. When viewed in a plan view, the jig is provided at a position that does not overlap the first multi-pole connector and the second multi-pole connector, and overlaps the first multi-pole connector and the second multi-pole connector. An air layer is provided at the position.

According to the inspection device of the present invention, the characteristics of the multipolar connector can be inspected more accurately.

The figure which shows the schematic structure of the inspection system in embodiment. The figure which shows the schematic structure which abbreviate|omitted the jig|tool in the inspection system in embodiment. Perspective view of the inspection device according to the embodiment with the jig omitted (after fitting) Perspective view of the inspection device according to the embodiment without a jig (before fitting) Schematic plan view of FIG. Perspective view showing the first multi-pole connector Perspective view showing the second multi-pole connector FIG. 3 is a perspective view showing a state in which the first multipolar connector and the second multipolar connector are fitted together. Perspective view of inspection device including jig Plan view of inspection device including jig Exploded perspective view of inspection device including jig Plan view showing the positional relationship between the jig and the signal line

According to a first aspect of the present invention, there is provided an inspection device for inspecting the characteristics of a multi-pole connector, the first board having a male first multi-pole connector mounted thereon and a female second multi-pole connector. A pair of boards having a second board on which a connector is mounted, in which the first multipole connector and the second multipole connector are fitted to each other, and a connector attached to the first board. A first connector electrically connected to the first multi-pole connector through a transmission line formed on the first substrate, and a connector attached to the second substrate through a transmission line formed on the second substrate. A second connector that is electrically connected to the second multipolar connector, and a jig that contacts the first connector and the second connector and holds the pair of substrates, and when the pair of substrates is viewed in a plan view. In addition, the jig is provided at a position that does not overlap the first multipolar connector and the second multipolar connector, and an air layer is provided at a position that overlaps the first multipolar connector and the second multipolar connector. The provided inspection device is provided.

According to such a configuration, by holding the pair of substrates by the jig, the deformation of the substrates can be suppressed even when a bending moment is generated with respect to the substrates. As a result, it is possible to suppress the disengagement of the multipolar connectors from each other, and it is possible to inspect the characteristics of the multipolar connector with higher accuracy. Furthermore, by providing an air layer on the jig and providing a portion where the jig does not face the multipolar connector, it is possible to suppress electrical capacitive coupling between the jig and the multipolar connector. As a result, the characteristics of the multipolar connector can be inspected more accurately.

According to a second aspect of the present invention, the jig has a shape that sandwiches the pair of substrates from both sides, and the air layer is provided on at least one side of the pair of substrates. An inspection apparatus according to one aspect is provided. With this configuration, the jig can hold the substrate more firmly.

According to the third aspect of the present invention, the jig penetrates the pair of plate portions that sandwich the pair of substrates from both sides and contact the first connector and the second connector, and the pair of plate portions. And a screw part connected to each other, the inspection apparatus according to the second aspect is provided. With such a configuration, the jig can be realized with a simple configuration of the plate portion and the screw portion while firmly holding the pair of substrates by the plate portion.

According to the fourth aspect of the present invention, when the pair of substrates is viewed in plan, the jig includes an annular portion formed in an annular shape, and the air layer is formed inside the annular portion. An inspection apparatus according to any one of the first to third aspects is provided. With such a configuration, the pair of substrates can be more firmly held while the air layer is provided by the annular portion.

According to a fifth aspect of the present invention, there is provided the inspection apparatus according to any one of the first to fourth aspects, in which the jig is formed of a material having a dielectric constant lower than that of the substrate. With such a configuration, it is possible to further suppress the occurrence of electrical capacitive coupling between the jig and the multipolar connector.

According to a sixth aspect of the present invention, the first connector is attached to the first board so as to sandwich the end of the first board from both sides, and the second connector is the end of the second board. The inspection apparatus according to any one of the first aspect to the fifth aspect, which is attached to the second substrate so as to sandwich it from both sides. With such a configuration, the jig can be arranged so as to sandwich the connector, and the pair of substrates can be more firmly held.

According to a seventh aspect of the present invention, there is provided the inspection apparatus according to any one of the first aspect to the sixth aspect, in which a plurality of the first connectors and the second connectors are provided respectively. With such a configuration, even if the number of terminals of the multi-pole connector increases, the characteristic inspection can be performed according to the number of terminals.

Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings.

(Embodiment)
1 and 2 are diagrams showing schematic configurations of an inspection system 1 and an inspection apparatus 2 according to an embodiment. FIG. 2 shows a state in which the jig 13 of the inspection device 2 is omitted.

The inspection system 1 is a system for inspecting the characteristics of a multipolar connector. The inspection system 1 includes an inspection device 2, a plurality of cables 4, and a network analyzer 6.

The inspection device 2 is an inspection device for inspecting the characteristics of the multipolar connector. Inside the inspection device 2, a multipolar connector to be inspected is provided. The cable 4 is a member that electrically connects the inspection device 2 and the network analyzer 6. The inspection device 2 is connected to the network analyzer 6 via a plurality of cables 4. By connecting to the network analyzer 6, it is possible to inspect the electrical characteristics of the multipolar connector to be inspected.

The inspection device 2 includes a pair of substrates 8, a plurality of connectors 10 and 12 (FIG. 2), and a jig 13 (FIG. 1).

The configuration of the inspection device 2 will be described with reference to FIGS. 3, 4, and 5. 3 and 4 are perspective views in which the jig 13 is omitted in the inspection device 2, and FIG. 5 is a schematic plan view of FIG. 3 and 5 show a state where the pair of substrates 8 are fitted to each other, and FIG. 4 shows a state before they are fitted.

As shown in FIGS. 3 and 4, the pair of substrates 8 includes a first substrate 8A and a second substrate 8B. Both the first board 8A and the second board 8B are inspection circuit boards for inspecting the characteristics of the multipolar connector. As shown in FIG. 4, the first multi-pole connector 14 is mounted on the back surface of the first substrate 8A. Similarly, the second multi-pole connector 16 is mounted on the surface of the second substrate 8B.

The first multi-pole connector 14 and the second multi-pole connector 16 are shown in FIGS. 6A, 6B and 6C. FIG. 6A is a perspective view showing the first multi-pole connector 14, and FIG. 6B is a perspective view showing the second multi-pole connector 16. FIG. 6C is a perspective view showing a state in which the first multipolar connector 14 and the second multipolar connector 16 are fitted together.

In the embodiment, the first multipole connector 14 shown in FIG. 6A is a male multipole connector, and the second multipole connector 16 shown in FIG. 6B is a female multipole connector.

The first multi-pole connector 14 has a plurality of terminals 15. As shown in FIG. 6A, the plurality of terminals 15 are arranged in two rows. Similarly, the second multi-pole connector 16 shown in FIG. 6B has a plurality of terminals 17, and the terminals 17 are arranged in two rows.

In the fitted state shown in FIG. 6C, the terminals 15 of the first multi-pole connector 14 and the terminals 17 of the second multi-pole connector 16 are in contact with each other and are in conduction.

As shown in FIGS. 3 and 4, a plurality of first connectors 10 are attached to the first board 8A. The first connector 10 is a connector for electrically connecting the terminal 15 of the first multipolar connector 14 to the cable 4 described above.

Similarly, a plurality of second connectors 12 are attached to the second board 8B. The second connector 12 is a connector for electrically connecting the terminal 17 of the second multipolar connector 16 to the cable 4 described above.

As shown in FIG. 5, a plurality of transmission lines 18 are formed on the first substrate 8A. The transmission line 18 is a wiring that electrically connects the first multipolar connector 14 and the first connector 10. All the transmission lines 18 are connected to the first multipolar connector 14, and each transmission line 18 is connected to one first connector 10.

A plurality of transmission lines 20 are similarly formed on the second substrate 8B. The transmission line 20 is a wiring that electrically connects the second multipolar connector 16 and the second connector 12. The plurality of transmission lines 20 are all connected to the second multipolar connector 16, and each transmission line 20 is connected to one second connector 12.

In the embodiment, both the first connector 10 and the second connector 12 are end launch connectors. Specifically, the first connector 10 is attached so as to sandwich the end portion of the first substrate 8A from both sides, and the second connector 12 is attached so as to sandwich the end portion of the second substrate 8B from both sides. ing.

In the illustrated example, four connectors 10 and 12 are provided, but the number of connectors 10 and 12 is not limited to four, and may be any number.

With such a configuration, when the characteristics of the multipolar connectors 14 and 16 are inspected, the cable 4 is connected to the connectors 10 and 12 as shown in FIG. In such a state, tension is applied to the inspection device 2 from the cable 4, and in particular, a bending moment that bends the substrate 8 is generated. Due to this bending moment, the fitting of the first multi-pole connector 14 and the second multi-pole connector 16 may be released, and the characteristics of the multi-pole connectors 14 and 16 may not be accurately inspected.

On the other hand, in the inspection device 2 of the embodiment, the jig 13 (FIG. 1) for maintaining the fitting of the first multi-pole connector 14 and the second multi-pole connector 16 is provided. The detailed configuration of the jig 13 will be described with reference to FIGS. 7, 8 and 9.

7 is a perspective view of the inspection device 2 including the jig 13, FIG. 8 is a plan view of the inspection device 2, and FIG. 9 is an exploded perspective view of the inspection device 2.

As shown in FIGS. 7 and 9, the jig 13 includes a first plate portion 21, a connecting portion 22, and a second plate portion 23. Each of the first plate portion 21, the connecting portion 22, and the second plate portion 23 is composed of at least one block body.

The first plate portion 21 and the second plate portion 23 are a pair of plate-shaped members configured to sandwich the pair of substrates 8 from both sides. The first plate portion 21 contacts the connectors 10 and 12 from one side and holds the pair of substrates 8, and the second plate portion 23 contacts the connectors 10 and 12 from the other side and forms a pair. The substrate 8 is held.

The connecting portion 22 is a portion for connecting the first plate portion 21 and the second plate portion 23. The connection part 22 is arranged between the first plate part 21 and the second plate part 23 so as to contact both the first plate part 21 and the second plate part 23. A plurality of screw parts 24 and 26 are inserted into the connection part 22.

The screw parts 24 and 26 are members for connecting the first plate part 21 and the second plate part 23 to each other. The screw part 24 is inserted into the first plate part 21 and the connection part 22. As a result, the first plate portion 21 and the connecting portion 22 are connected to each other. The screw portion 26 is inserted into the connecting portion 22 and the second plate portion 23. As a result, the connecting portion 22 and the second plate portion 23 are connected to each other.

The first plate portion 21 and the second plate portion 23 can be connected and fixed to each other by the connecting portion 22 and the screw portions 24 and 26. By the first plate portion 21 and the second plate portion 23 fixed in this way, the pair of substrates 8 can be sandwiched from both sides and firmly held.

According to the jig 13 described above, each component of the inspection device 2 including the pair of substrates 8 and the connectors 10 and 12 can be positioned and firmly fixed. As described above, even when a bending moment is generated by the cable 4 with respect to the pair of substrates 8, the fitted state of the first multipole connector 14 and the second multipole connector 16 can be maintained, and the multipole connector 14 , 16 can be accurately performed.

Further, as shown in FIG. 7 and the like, the first plate portion 21 in the embodiment is composed of a pair of plate-shaped members facing each other. As shown in FIGS. 7 and 8, the space between the pair of first plate portions 21 is formed as an air layer 28. The air layer 28 is an opening that exposes the pair of substrates 8 to the outside when the pair of substrates 8 is viewed in plan as shown by the arrow A in FIG. 7. In particular, as shown in FIG. 8, the air layer 28 is provided at a position overlapping the first multipolar connectors 14 and 16 when the pair of substrates 8 is viewed in a plan view. By providing the air layer 28 at such a position, the jig 13 is arranged so as not to overlap the multipolar connectors 14 and 16 when the pair of substrates 8 is viewed in plan from one side. By preventing the jig 13 and the multipole connectors 14 and 16 from facing each other, it is possible to suppress the occurrence of electrical capacitive coupling between the jig 13 and the first multipole connectors 14 and 16.

On the other hand, as shown in FIG. 9, no opening is provided in the second plate portion 23, and an air layer that exposes the pair of substrates 8 is not formed. That is, in the inspection device 2 of the embodiment, the air layer 28 is provided only on one side of the pair of substrates 8.

Further, in the embodiment, the first plate portion 21 and the connecting portion 22 are formed in an annular shape when viewed from the A direction. That is, the first plate portion 21 and the connecting portion 22 form an annular portion that is continuously connected in the circumferential direction. An air layer 28 is provided as an opening inside the annular portion formed by the first plate portion 21 and the connecting portion 22. With such a configuration, the pair of substrates 8 can be firmly held while providing the air layer 28 with a simple configuration.

Further, the jig 13 in the embodiment is formed of a material having a low dielectric constant. Specifically, the material forming the jig 13 is polyacetal (POM). The dielectric constant of polyacetal is about 3.6. By configuring the jig 13 with such a material having a low dielectric constant, it is possible to further suppress the electrical capacitive coupling between the jig 13 and the first multipole connectors 14 and 16.

When selecting the material of the jig 13, for example, a material having a dielectric constant of 3.6 or less may be selected. Alternatively, a material having a dielectric constant lower than that of the substrate 8 may be selected. The material of the substrate 8 in the embodiment is MEGRON6, and the dielectric constant is about 3.7.

Next, the positional relationship between the jig 13 and the signal lines 18 and 20 is shown in FIG. As shown in FIG. 10, when the pair of substrates 8 are viewed in a plan view, there are regions where the jig 13 and the signal lines 18 and 20 overlap (outside) and regions where they do not overlap (inside). In the embodiment, the air layer 28 is provided so that the area where the jig 13 and the signal lines 18 and 20 do not overlap is larger than the area where they overlap. With such an arrangement, not only the electrical capacitive coupling between the jig 13 and the multipolar connectors 14 and 16 but also the electrical capacitive coupling between the jig 13 and the signal lines 18 and 20 is suppressed. be able to. As a result, the characteristic inspection of the multi-pole connectors 14 and 16 can be performed more accurately.

As described above, the inspection device 2 of the embodiment is a device for inspecting the characteristics of the multipolar connectors 14 and 16, and includes a pair of substrates 8, a first connector 10, a second connector 12, and And a jig 13. The pair of substrates 8 has a first substrate 8A on which the male first multi-pole connector 14 is mounted and a second substrate 8B on which the female second multi-pole connector 16 is mounted. The polar connector 14 and the second multipolar connector 16 are fitted together. The first connector 10 is a connector attached to the first substrate 8A, and is electrically connected to the first multipolar connector 14 through the transmission line 18 formed on the first substrate 8A. The second connector 12 is a connector attached to the second substrate 8B, and is electrically connected to the second multipolar connector 16 through the transmission line 20 formed on the second substrate 8B. The jig 13 is a member that contacts the first connector 10 and the second connector 12 and holds the pair of substrates 8. In such a configuration, the jig 13 is provided at a position where it does not overlap the first multipolar connector 14 and the second multipolar connector 16 when the pair of substrates 8 is viewed in a plan view. Further, the air layer 28 is provided at a position overlapping the first multi-pole connector 14 and the second multi-pole connector 16 when the pair of substrates 8 is viewed in a plan view.

According to such a configuration, by holding the pair of substrates 8 with the jig 13, it is possible to suppress the deformation of the substrate 8 even when a bending moment is generated with respect to the substrates 8. Accordingly, it is possible to suppress the disengagement of the multipolar connectors 14 and 16 from each other, and it is possible to inspect the characteristics of the multipolar connectors 14 and 16 with higher accuracy. Further, by providing the air layer 28 on the jig 13 and providing a portion where the jig 13 does not face the multipolar connectors 14 and 16, electrical capacitive coupling between the multipolar connectors 14 and 16 and the jig 13 is performed. Can be suppressed. Thereby, the characteristics of the multi-pole connectors 14 and 16 can be inspected more accurately.

Further, according to the inspection device 2 of the embodiment, the jig 13 has a shape of sandwiching the pair of substrates 8 from both sides, and the air layer 28 is provided on at least one side of the pair of substrates 8. .. With such a configuration, the pair of substrates 8 can be held more firmly by sandwiching them from both sides.

Further, according to the inspection device 2 of the embodiment, the jig 13 includes the pair of plate portions 18 and 20 that sandwich the pair of substrates 8 from both sides and come into contact with the first connector 10 and the second connector 12, and the pair of plates. And threaded portions 24, 26 that pass through the portions 18, 20 and connect to each other. With such a configuration, the jig 13 can be realized with a simple configuration of the plate portions 18 and 20 and the screw portions 24 and 26 while holding the pair of substrates 8 more firmly by the plate portions 18 and 20. it can.

Further, according to the inspection device 2 of the embodiment, the first connector 10 is attached to the first substrate 8A so as to sandwich the end portion of the first substrate 8A from both sides, and the second connector 12 is attached to the second substrate 8B. It is attached to the second substrate 8B so as to sandwich the end portion from both sides. According to such a configuration, the jig 13 can be arranged so as to sandwich the connectors 10 and 12, and the pair of substrates 8 can be more firmly held.

Further, according to the inspection device 2 of the embodiment, each of the first connector 10 and the second connector 12 is provided in plurality. With such a configuration, even when the number of terminals of the multi-pole connectors 14 and 16 increases, the characteristic inspection can be performed according to the number of terminals.

Although the present invention has been described with reference to the above embodiment, the present invention is not limited to the above embodiment. For example, although the case where the jig 13 sandwiches the pair of base ends 8 from both sides has been described in the above embodiment, the present invention is not limited to such a case. For example, the jig 13 may hold the substrate 8 from only one side.

Further, in the above embodiment, the case where the air layer 28 is provided only on one side of the pair of substrates 8 has been described, but the present invention is not limited to such a case. For example, the air layers 28 may be provided on both sides of the pair of substrates 8. That is, also in the second plate portion 23 shown in FIG. 9, an opening for exposing the pair of substrates 8 may be provided.

Further, in the above embodiment, the case where the first connector 10 and the second connector 12 are end launch connectors has been described, but the present invention is not limited to such a case, and any type of connector may be used (for example, SMA connector).

While the present disclosure has been fully described in connection with the preferred embodiments with reference to the accompanying drawings, various variations and modifications will be apparent to those skilled in the art. It is to be understood that such variations and modifications are included within the scope of the present disclosure as defined by the appended claims. In addition, the combination of elements and the change in order in each embodiment can be realized without departing from the scope and concept of the present disclosure.

It is to be noted that, by properly combining the arbitrary embodiments or modifications of the various embodiments and modifications described above, the effects possessed by them can be produced.

The present invention can be applied to any inspection device for inspecting the characteristics of a multipolar connector.

2 inspection device 4 cable 6 network analyzer 8 board 8A first board 8B second board 10 first connector 12 second connector 14 first multipole connector 15 terminal 16 second multipole connector 17 terminal 18 transmission line 20 transmission line 21 1 plate part 22 connection part 23 2nd plate part 24 screw part 26 screw part 28 air layer

Claims (7)

An inspection device for inspecting the characteristics of a multipolar connector,
A first board on which a male first multi-pole connector is mounted; and a second board on which a female second multi-pole connector is mounted, the first multi-pole connector and the second multi-pole connector A pair of boards, which are fitted to each other,
A connector attached to the first substrate, wherein the first connector is electrically connected to the first multipolar connector through a transmission line formed on the first substrate;
A second connector attached to the second substrate, the second connector being electrically connected to the second multipolar connector through a transmission line formed on the second substrate;
A jig that holds the pair of boards by contacting the first connector and the second connector,
The jig is provided at a position that does not overlap the first multi-pole connector and the second multi-pole connector when the pair of substrates is viewed in a plan view. An inspection device that has an air layer at a position that overlaps the pole connector. The inspection device according to claim 1, wherein the jig has a shape that sandwiches the pair of substrates from both sides, and the air layer is provided on at least one side of the pair of substrates. The jig includes a pair of plate portions that sandwich the pair of substrates from both sides and are in contact with the first connector and the second connector, and screw portions that penetrate the pair of plate portions and are connected to each other. The inspection apparatus according to claim 2. 4. The jig has an annular portion formed in an annular shape when the pair of substrates is viewed in a plan view, and the air layer is formed inside the annular portion. Inspection device according to. The inspection device according to claim 1, wherein the jig is formed of a material having a dielectric constant lower than that of the substrate. The first connector is attached to the first substrate so as to sandwich the end portion of the first substrate from both sides, and the second connector is the second substrate so as to sandwich the end portion of the second substrate from both sides. The inspection apparatus according to any one of claims 1 to 5, which is attached to the. The inspection device according to any one of claims 1 to 6, wherein a plurality of the first connectors and a plurality of the second connectors are provided.

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