CN210803590U - Terminal box for inductance test - Google Patents
Terminal box for inductance test Download PDFInfo
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- CN210803590U CN210803590U CN201921184703.9U CN201921184703U CN210803590U CN 210803590 U CN210803590 U CN 210803590U CN 201921184703 U CN201921184703 U CN 201921184703U CN 210803590 U CN210803590 U CN 210803590U
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Abstract
The utility model provides a junction box for inductance test, which is used for connecting an inductance and an inductance tester, wherein the inductance comprises N pins; the junction box for the inductance test comprises a bearing surface and an operating surface, wherein N test holes are formed in the bearing surface, and the positions of the N test holes correspond to the positions of the N pins one by one; the operation surface is provided with N connecting terminals which are used for being electrically connected with a test clamp of the inductance tester; n measuring pins are arranged in the junction box for inductance testing, the N measuring pins and the N testing holes are arranged in a one-to-one correspondence mode, at least part of each measuring pin is located in the testing hole corresponding to the measuring pin, and the N measuring pins are electrically connected with the N connecting terminals in a one-to-one correspondence mode; when the inductor is arranged on the bearing surface, the N pins extend into the N test holes and are in one-to-one contact conduction with the N test pins. When the inductors are tested in batches, the inductors on the bearing surface only need to be replaced, and the pins do not need to be clamped back and forth, so that the operation is simpler, and the testing efficiency during the batch testing of the inductors can be improved.
Description
Technical Field
The utility model relates to an inductance test technical field especially relates to a terminal box is used in inductance test.
Background
In order to control the quality of the inductor, it is often necessary to test the inductance of the inductor during the production process of the inductor.
At present, an inductance tester is mainly adopted to test inductance, and the inductance tester is provided with a test clamp, so that when the inductance tester is used, the test clamp clamps a pin to be tested of an inductor, and then the corresponding inductance can be tested. When the inductance value is measured by adopting the inductance tester, when one inductor is replaced, a tester is required to take the test clamp down from the pin of the former inductor and then clamp the pin of the other inductor again, so that the operation is complex, and the test efficiency is low when the inductors are tested in batches (namely, the inductors in batches are subjected to inductance value test).
SUMMERY OF THE UTILITY MODEL
An embodiment of the utility model provides a terminal box is used in inductance test to solve the lower problem of efficiency of software testing when adopting inductance measuring apparatu to test the inductance in batches.
In order to solve the technical problem, the utility model discloses a realize like this:
the embodiment of the utility model provides a terminal box for inductance test for connect inductance and inductance tester, the inductance includes N pin, N is the positive integer that is greater than 1;
the junction box for the inductance test comprises a bearing surface and an operating surface, wherein N test holes are formed in the bearing surface, and the positions of the N test holes correspond to the positions of the N pins one by one; the operation surface is provided with N connecting terminals, and the N connecting terminals are used for being electrically connected with a test clamp of the inductance tester;
n measuring pins are arranged in the junction box for inductance testing, the N measuring pins and the N testing holes are arranged in a one-to-one correspondence mode, at least part of each measuring pin is located in the testing hole corresponding to the measuring pin, and the N measuring pins are electrically connected with the N connecting terminals in a one-to-one correspondence mode;
when the inductor is arranged on the bearing surface, the N pins extend into the N test holes and are in one-to-one contact conduction with the N test pins.
Optionally, the operation surface is further provided with a short-circuit switch, the short-circuit switch is electrically connected with S of the N measuring pins respectively, the short-circuit switch has a first use state and a second use state, and S is a positive integer greater than 1 and less than or equal to N;
in the first using state, the S measuring pins are in short circuit with each other;
in the second use state, the S pins are disconnected from each other.
Optionally, the shorting switch includes:
the S connecting pieces are electrically disconnected with each other and are electrically connected with the S measuring pins in a one-to-one correspondence manner;
a shorting member switchable between a first position and a second position;
when the short connecting piece is at the first position, the short connecting piece is electrically connected with each connecting piece respectively;
in the second position, the shorting member is electrically disconnected from each of the connecting members, respectively.
Optionally, the number of operation face is a plurality of, short circuit switch with a plurality of connecting terminal are located different operation faces.
Optionally, a distance is provided between one end of each probe close to the bearing surface and a plane where the bearing surface is located.
Optionally, the bearing surface is a plane.
Optionally, the junction box for inductance testing includes a first box body and a second box body, the second box body is stacked on the upper surface of the first box body, the size of the second box body is smaller than that of the first box body, the bearing surface is located on the surface, facing away from the first box body, of the second box body, and the operating surface is located on the side surface of the first box body.
Optionally, the first box body is in threaded connection with the second box body.
Optionally, the first box body comprises a measuring pin mounting plate, a first side plate, a second side plate, a third side plate and a fourth side plate;
the first side plate and the second side plate are arranged oppositely and at intervals, the third side plate and the fourth side plate are arranged oppositely and at intervals, the first side plate, the second side plate, the third side plate and the fourth side plate are all connected with the surface of the measuring pin mounting plate, which is back to the second box body, and the measuring pin mounting plate, the first side plate, the second side plate, the third side plate and the fourth side plate surround to form a cavity with an opening at one end;
each probe part imbeds the probe mounting panel, a plurality of connecting terminal set up in first curb plate, the second curb plate the third curb plate with on at least one curb plate in the fourth curb plate.
Optionally, the stylus mounting plate is respectively in threaded connection with the first side plate, the second side plate, the third side plate and the fourth side plate.
The embodiment of the utility model provides an in, because N root chaining pin is connected with a N connecting terminal one-to-one electricity, when the carrier surface was arranged in to the inductance, a N pin of inductance stretched into a N test hole, and switched on with N root chaining pin one-to-one to through arranging the inductance in the loading end and can measure corresponding inductance value with the corresponding connecting terminal of inductance tester centre gripping. Like this, when testing the inductance in batches, only need to change the inductance on the loading end, and need not to press from both sides with the round trip clamp of test clamp pin and get to can make the operation simpler, and then can improve the efficiency of software testing when testing the inductance in batches.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the description of the embodiments of the present invention will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive labor.
Fig. 1 is a structural diagram of a first view angle of a junction box for inductance testing according to an embodiment of the present invention;
fig. 2 is a structural diagram of a second view angle of the junction box for inductance testing according to the embodiment of the present invention;
fig. 3 is a side view of the junction box for inductance testing according to the embodiment of the present invention;
fig. 4 is a top view of the terminal box for inductance testing provided by the embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, not all, of the embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
As shown in fig. 1 to 4, an embodiment of the present invention provides a junction box for inductance testing, the junction box for inductance testing is used for connecting an inductance and an inductance tester, the inductance includes N pins, and N is a positive integer greater than 1;
the junction box for the inductance test comprises a bearing surface 1 and an operating surface 2, wherein the bearing surface 1 is provided with N test holes 3, and the positions of the N test holes 3 correspond to the positions of N pins one by one; the operation surface 2 is provided with N connecting terminals 4, and the N connecting terminals 4 are used for being electrically connected with a test clamp of the inductance tester;
n measuring pins are arranged in the junction box for inductance testing, the N measuring pins and the N testing holes 3 are arranged in a one-to-one correspondence mode, at least part of each measuring pin is located in the testing hole 3 corresponding to the measuring pin, and the N measuring pins are electrically connected with the N connecting terminals 4 in a one-to-one correspondence mode;
when the inductor is arranged on the bearing surface 1, the N pins extend into the N test holes 3 and are in one-to-one contact conduction with the N test pins.
The junction box for the inductance test can be made of stainless steel, so that the junction box for the inductance test is high in rigidity, good in elasticity and good in modeling wear resistance.
The test hole 3 may be a blind hole or a through hole. The above-described connection terminal 4 may also be referred to as a post. The connection terminal 4 may be at least partially protruded from the operation surface 2; specifically, the connection terminal 4 may be fixed by partially inserting a terminal box for inductance test, and the connection terminal 4 may be fixed by connecting one end surface thereof to the operation surface 2.
The number of the operation surfaces 2 may be one or more. When the number of the operation surfaces 2 is plural, the N connection terminals 4 may be uniformly distributed on the plural operation surfaces 2, and for example, assuming that N is 6 and the number of the operation surfaces 2 is 3, 2 connection terminals 4 may be provided on each operation surface 2. Of course, in some embodiments, when the number of the operation surfaces 2 is plural, the N connection terminals 4 may be unevenly distributed on the plural operation surfaces 2.
The above-mentioned at least part may be part or all. The one-to-one corresponding electrical connection of the N probe pins and the N connection terminals 4 can be understood as follows: each probe pin is electrically connected to its corresponding one of the connection terminals 4.
Adopt the embodiment of the utility model provides an in when terminal box is used in inductance test carries out inductance test, its application method can be as follows: during the use, the test clip of inductance tester is in the same place with the connecting terminal 4 clamp that needs the test, directly places the inductance on loading face 1 to make N pins of inductance stretch into N test holes 3 and switch on with N probe one-to-one contact, then directly read inductance value on the inductance tester can.
The embodiment of the utility model provides an in, because N root chaining pin is connected with a N connecting terminal one-to-one electricity, when the carrier surface was arranged in to the inductance, a N pin of inductance stretched into a N test hole, and switched on with N root chaining pin one-to-one to through arranging the inductance in the loading end and can measure corresponding inductance value with the corresponding connecting terminal of inductance tester centre gripping. Therefore, when the inductors are tested in batches, the inductors on the bearing surface only need to be replaced, the pins do not need to be clamped by the test clamp in a back and forth mode, operation can be simpler and faster, and testing efficiency during inductor batch testing can be improved.
Optionally, the operation surface 2 is further provided with a short-circuit switch 5, the short-circuit switch 5 is electrically connected with S of the N measuring pins respectively, the short-circuit switch 5 has a first use state and a second use state, and S is a positive integer greater than 1 and less than or equal to N;
in a first use state, the S measuring pins are in short circuit with each other;
in the second use state, the S pins are disconnected from each other.
The short-circuit switch 5 may be a short-circuit button, or may be a short-circuit toggle or other short-circuit device. When the short switch 5 is a short button, the short switch 5 may be switched between a first use state and a second use state by a pressing operation of a user. When the short-circuit switch 5 is a short-circuit toggle, the short-circuit switch 5 may be switched between a first use state and a second use state by a user's toggle operation. The number of the short-circuit switches 5 may be one, or may be multiple, and may be specifically set according to needs, which is not limited herein.
The value of S may be determined specifically according to the test requirement, for example, S may be 2. The S measuring pins are in short circuit with each other, which can be understood as that the S measuring pins are connected in series and/or in parallel; the disconnection of the S pins from each other can be understood as the electrical disconnection between every two S pins, and here, the electrical disconnection can be understood as electrical insulation.
Like this, owing to be provided with short circuit switch to when the inductance test in-process need make a round trip the short circuit with several pins, need not to make a round trip the short circuit to the pin of each inductance, only need operate short circuit switch can, like this, can further the simplified operation, and then can further improve the efficiency of software testing when testing the inductance in batches.
Optionally, the shorting switch 5 includes:
the S connecting pieces are electrically disconnected with each other and are electrically connected with the S measuring pins in a one-to-one correspondence manner;
the short connecting piece is switchable between a first position and a second position;
when in the first position, the short-circuit piece is electrically connected with each connecting piece respectively;
in the second position, the shorting member is electrically disconnected from each of the connecting members, respectively.
Wherein the electrical disconnection is to be understood as electrical insulation; the S connection members electrically disconnected from each other may mean that the S connection members are electrically disconnected from each other. When the shorting member is electrically connected to each of the connecting members, the S connecting members may be in a state of being shorted with each other by the shorting member.
Optionally, the number of the operation panels 2 is multiple, and the short circuit switch 5 and the N connection terminals 4 are located on different operation panels 2.
Like this, because short circuit switch and N connecting terminal are located the operation panel of difference to can be better distinguish connecting terminal and short circuit switch, like this, make the user can find connecting terminal and short circuit switch more fast, and then the efficiency of software testing when can further improve the inductance of testing in batches.
Optionally, a distance is provided between one end of each probe close to the bearing surface 1 and the plane where the bearing surface 1 is located.
Wherein, the distance between the end of each probe close to the bearing surface 1 and the plane where the bearing surface 1 is located can be understood as follows: the end of each probe close to the bearing surface 1 is not exposed out of the test hole 3, and the end surface of the end of each probe close to the bearing surface 1 is not flush with the bearing surface 1.
Like this, because the one end that is close to the loading face of each survey needle has the interval with between the plane at loading face place to can enough protect the survey needle better, with the life of extension survey needle, simultaneously, also can make the pin of inductance stretch into the test hole more smoothly, and then can make the reliability that the contact of pin and survey needle switched on better.
Optionally, the carrying surface 1 is a plane.
Because the bearing surface is a plane, the inductor can be more stably arranged on the bearing surface, so that the operation is more convenient, and the testing efficiency is improved.
It should be noted that, in some embodiments, the carrying surface 1 may also be a curved surface adapted to the inductor.
Optionally, the junction box for inductance testing includes a first box body 6 and a second box body 7, the second box body 7 is stacked on the upper surface of the first box body 1, the size of the second box body 7 is smaller than that of the first box body 6, the bearing surface 1 is located on the surface, back to the first box body 6, of the second box body 7, and the operation surface 2 is located on the side surface of the first box body 6.
The junction box for the inductance test is formed by stacking the first box body and the second box body, so that the structure is simpler, and the manufacture is easier.
Optionally, the first box 6 is screwed to the second box 7.
Wherein, the threaded connection of the first box body 6 and the second box body 7 can be specifically as follows: a first threaded hole is formed in the first box body 6, a second threaded hole 71 is formed in the second box body 7, the position of the first threaded hole corresponds to the position of the second threaded hole 71, and a threaded connecting piece penetrates through the second threaded hole 71 and the first threaded hole to connect the first box body 6 and the second box body 7; here, the position of the second screw hole 71 may be located at the edge of the second container.
Because first box body and second box body threaded connection to make first box body and second box body can conveniently assemble and dismantle, like this, not only can be convenient for the manufacturing of terminal box for inductance test more, also can be convenient for the maintenance of terminal box for inductance test more.
Optionally, the first box 6 comprises a pin mounting plate 61, a first side plate 62, a second side plate 63, a third side plate 64 and a fourth side plate 65;
the first side plate 62 and the second side plate 63 are arranged oppositely and at intervals, the third side plate 64 and the fourth side plate 65 are arranged oppositely and at intervals, the first side plate 62, the second side plate 63, the third side plate 64 and the fourth side plate 65 are all connected with the surface of the measuring pin mounting plate 61, which is back to the second box body 7, and the measuring pin mounting plate 61, the first side plate 62, the second side plate 63, the third side plate 64 and the fourth side plate 65 enclose to form a cavity with one open end;
each of the pins is partially embedded in the pin mounting plate 61, and N connection terminals 4 are provided on at least one of the first side plate 62, the second side plate 63, the third side plate 64, and the fourth side plate 65.
The pin mounting plate 61 may be perpendicular to the first side plate 62, the second side plate 63, the third side plate 64, and the fourth side plate 65. The above-mentioned embedding of each stylus portion in the stylus mounting plate 61 can be understood as: each measuring pin partially protrudes out of the upper surface of the first box body 6.
Because first box body is formed by probe mounting panel, first curb plate, second curb plate, third curb plate and fourth curb plate, and probe mounting panel, first curb plate, second curb plate, third curb plate and fourth curb plate enclose and form one end open-ended cavity to make the simple structure of first box body, it is convenient to make, and one end opening can be convenient for carry out the electricity between probe and the connecting terminal and be connected.
Optionally, the stylus mounting plate 61 is respectively screwed with the first side plate 62, the second side plate 63, the third side plate 64 and the fourth side plate 65.
Wherein, the threaded connection of the probe mounting plate 61 and the first side plate 62 can be understood as follows: a third threaded hole 611 is formed in the measuring pin mounting plate 61, a fourth threaded hole is formed in the first side plate 62, the position of the third threaded hole 611 corresponds to the position of the fourth threaded hole, and a threaded connecting piece penetrates through the third threaded hole 611 and the fourth threaded hole to connect the measuring pin mounting plate 61 with the first side plate 62; here, the position of the third screw hole 611 may be located at the edge of the pin mounting plate 61.
The threaded connection between the probe mounting plate 61 and the second side plate 63 can be understood as follows: a fifth threaded hole 612 is formed in the probe mounting plate 61, a sixth threaded hole is formed in the second side plate 63, the position of the fifth threaded hole 612 corresponds to the position of the sixth threaded hole, and a threaded connecting piece penetrates through the fifth threaded hole 612 and the sixth threaded hole to connect the probe mounting plate 61 with the second side plate 63; here, the position of the fifth screw hole 612 may be located at the edge of the stylus mounting plate 61.
The threaded connection of the pin mounting plate 61 and the third side plate 64 can be understood as follows: a seventh threaded hole 613 is formed in the stylus mounting plate 61, an eighth threaded hole is formed in the third side plate 64, the seventh threaded hole 613 corresponds to the eighth threaded hole, and a threaded connector is arranged in the seventh threaded hole 613 and the eighth threaded hole in a penetrating manner so as to connect the stylus mounting plate 61 with the third side plate 64; here, the position of the seventh screw hole 613 may be located at the edge of the stylus mounting plate 61.
The threaded connection between the probe mounting plate 61 and the fourth side plate 65 can be understood as follows: a ninth threaded hole 614 is formed in the probe mounting plate 61, a tenth threaded hole is formed in the fourth side plate 62, the position of the ninth threaded hole 614 corresponds to the position of the tenth threaded hole, and a threaded connecting piece penetrates through the ninth threaded hole 614 and the tenth threaded hole to connect the probe mounting plate 61 with the fourth side plate 65; here, the position of the ninth screw hole 614 may be located at the edge of the stylus mounting plate 61.
Because the measuring pin mounting panel respectively with first curb plate, second curb plate, third curb plate and fourth curb plate threaded connection to make the measuring pin mounting panel can conveniently assemble and dismantle with first curb plate, second curb plate, third curb plate and fourth curb plate, like this, not only can be convenient for the manufacturing of first box body more, also can be convenient for the maintenance of first box body more.
It should be noted that various optional embodiments described in the embodiments of the present invention may be implemented by combining with each other or by implementing them separately, and the embodiments of the present invention are not limited thereto.
It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
The embodiments of the present invention have been described with reference to the accompanying drawings, but the present invention is not limited to the above-mentioned embodiments, which are only illustrative and not restrictive, and those skilled in the art can make many forms without departing from the spirit and scope of the present invention.
Claims (10)
1. A junction box for inductance testing is used for connecting an inductor and an inductance tester, wherein the inductor comprises N pins, and N is a positive integer greater than 1;
the junction box for the inductance test is characterized by comprising a bearing surface and an operating surface, wherein the bearing surface is provided with N test holes, and the positions of the N test holes correspond to the positions of the N pins one by one; the operation surface is provided with N connecting terminals, and the N connecting terminals are used for being electrically connected with a test clamp of the inductance tester;
n measuring pins are arranged in the junction box for inductance testing, the N measuring pins and the N testing holes are arranged in a one-to-one correspondence mode, at least part of each measuring pin is located in the testing hole corresponding to the measuring pin, and the N measuring pins are electrically connected with the N connecting terminals in a one-to-one correspondence mode;
when the inductor is arranged on the bearing surface, the N pins extend into the N test holes and are in one-to-one contact conduction with the N test pins.
2. The junction box for the inductance test according to claim 1, wherein the operation surface is further provided with a short-circuit switch, the short-circuit switch is electrically connected with S probe pins of the N probe pins respectively, the short-circuit switch has a first use state and a second use state, and S is a positive integer greater than 1 and less than or equal to N;
in the first using state, the S measuring pins are in short circuit with each other;
in the second use state, the S pins are disconnected from each other.
3. The junction box for inductive testing according to claim 2, wherein the shorting switch comprises:
the S connecting pieces are electrically disconnected with each other and are electrically connected with the S measuring pins in a one-to-one correspondence manner;
a shorting member switchable between a first position and a second position;
when the short connecting piece is at the first position, the short connecting piece is electrically connected with each connecting piece respectively;
in the second position, the shorting member is electrically disconnected from each of the connecting members, respectively.
4. The junction box for the inductance test according to claim 2, wherein the number of the operation surfaces is plural, and the shorting switch and the N connection terminals are located on different operation surfaces.
5. The junction box of claim 1, wherein a gap is provided between an end of each probe pin adjacent to the bearing surface and a plane of the bearing surface.
6. The junction box for inductance testing according to claim 1, wherein the bearing surface is a plane.
7. The junction box for inductance testing according to any one of claims 1 to 6, wherein the junction box for inductance testing comprises a first box body and a second box body, the second box body is stacked on the upper surface of the first box body, the size of the second box body is smaller than that of the first box body, the bearing surface is located on the surface of the second box body, which faces away from the first box body, and the operation surface is located on the side surface of the first box body.
8. The junction box for inductance testing according to claim 7, wherein the first box body is screwed with the second box body.
9. The junction box for inductance testing according to claim 7, wherein the first box body comprises a probe mounting plate, a first side plate, a second side plate, a third side plate and a fourth side plate;
the first side plate and the second side plate are arranged oppositely and at intervals, the third side plate and the fourth side plate are arranged oppositely and at intervals, the first side plate, the second side plate, the third side plate and the fourth side plate are all connected with the surface of the measuring pin mounting plate, which is back to the second box body, and the measuring pin mounting plate, the first side plate, the second side plate, the third side plate and the fourth side plate surround to form a cavity with an opening at one end;
each probe part imbeds the probe mounting panel, a plurality of connecting terminal set up in first curb plate, the second curb plate the third curb plate with on at least one curb plate in the fourth curb plate.
10. The junction box for inductance testing according to claim 9, wherein the pin mounting plate is screwed to the first side plate, the second side plate, the third side plate, and the fourth side plate, respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921184703.9U CN210803590U (en) | 2019-07-25 | 2019-07-25 | Terminal box for inductance test |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921184703.9U CN210803590U (en) | 2019-07-25 | 2019-07-25 | Terminal box for inductance test |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210803590U true CN210803590U (en) | 2020-06-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921184703.9U Active CN210803590U (en) | 2019-07-25 | 2019-07-25 | Terminal box for inductance test |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210803590U (en) |
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2019
- 2019-07-25 CN CN201921184703.9U patent/CN210803590U/en active Active
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