CN210803589U

CN210803589U - Inductance test appurtenance

Info

Publication number: CN210803589U
Application number: CN201921184680.1U
Authority: CN
Inventors: 王盛涵; 陈阳阳; 刘志华
Original assignee: Tefute Electromagnetic Technology Luoyang Co ltd
Current assignee: Tefute Electromagnetic Technology Luoyang Co ltd
Priority date: 2019-07-25
Filing date: 2019-07-25
Publication date: 2020-06-19
Anticipated expiration: 2029-07-25

Abstract

The utility model provides an inductance test auxiliary tool, which is used for connecting an inductance and an inductance tester, wherein the inductance comprises N pins to be tested, and N is a positive integer greater than 1; characterized in that, inductance test appurtenance includes: the top surface of the junction box is provided with N measuring pins, the positions of the N measuring pins correspond to the positions of the N pins to be tested one by one, and the N measuring pins are used for bearing the N pins to be tested; the side of terminal box is provided with N connecting terminal, N connecting terminal with N probe one-to-one electricity is connected, N connecting terminal be used for with inductance tester's test clip electricity is connected. Because when testing the inductance in batches, only need to change the inductance on the N measuring pins, 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.

Description

Inductance test appurtenance

Technical Field

The utility model relates to an inductance test technical field especially relates to an inductance test appurtenance.

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 an inductance test appurtenance 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 an inductance test auxiliary tool for connect inductance and inductance tester, the inductance includes N pins to be tested, N is the positive integer that is greater than 1;

the inductance test auxiliary tool comprises:

the top surface of the junction box is provided with N measuring pins, the positions of the N measuring pins correspond to the positions of the N pins to be tested one by one, and the N measuring pins are used for bearing the N pins to be tested; the side of terminal box is provided with N connecting terminal, N connecting terminal with N probe one-to-one electricity is connected, N connecting terminal be used for with inductance tester's test clip electricity is connected.

Optionally, the area of the end surface of each probe is greater than or equal to the area of the end surface of the pin to be tested corresponding to the position of the probe.

Optionally, the inductor further includes M non-pins to be tested, where M is a positive integer greater than 0;

the top surface of the junction box is also provided with M support columns, the positions of the M support columns correspond to the positions of the M pins to be tested one by one, and the M support columns are used for bearing the M pins to be tested.

Optionally, the area of the end surface of each supporting column is greater than or equal to the area of the end surface of the non-to-be-tested pin corresponding to the position of the supporting column.

Optionally, the inductance testing auxiliary tool further includes:

the inductance limiting plate is arranged on the top surface of the junction box and is positioned on one side of the N measuring pins;

in the direction perpendicular to the top surface of the junction box, the height of the inductance limiting plate is larger than the height of the probe extending out of the top surface of the junction box.

Optionally, the number of the inductance limiting plates is 2, the two inductance limiting plates are perpendicular to each other and are respectively located on two adjacent sides of the N measuring pins, and one end of one of the inductance limiting plates is connected with one end of the other of the inductance limiting plates.

Optionally, a short-circuit switch is further disposed on a side surface of the junction box, the short-circuit switch is electrically connected to S of the N measuring pins, 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 inductance testing auxiliary tool further includes a pressing mechanism, and the pressing mechanism includes:

the fixed seat is arranged on one side of the junction box;

the lifting assembly comprises a lifting body and a movable rod, the lifting body is positioned above the top surface of the junction box and is fixedly connected with the fixed seat, the movable rod is positioned above the top surface of the junction box and is movably connected with the lifting body, and the movable rod can perform reciprocating linear operation relative to the lifting body;

the pressing plate assembly is located above the top surface of the junction box and fixedly connected with the movable rod, and the pressing plate assembly moves towards or away from the top surface of the junction box under the driving of the movable rod.

Optionally, a driving piece is arranged on the lifting body and is in transmission connection with the movable rod, and the driving piece drives the movable rod to move linearly in a reciprocating mode relative to the lifting body under the operation of a user.

Optionally, the pressing mechanism further includes:

the sliding rod is arranged on the top surface of the junction box and is perpendicular to the top surface of the junction box, the pressing plate assembly is connected with the sliding rod in a sliding mode, and the pressing plate assembly slides towards or away from the top surface of the junction box along the sliding rod under the driving of the movable rod.

The embodiment of the utility model provides an in, because the position one-to-one of the position of N chaining pin and N pin that awaits measuring, N chaining pin is used for bearing N pin that awaits measuring, and N connecting terminal is connected with N chaining pin one-to-one electricity, and N connecting terminal is used for being connected with the test clamp electricity of inductance tester to through arrange the inductance in on the N chaining pin 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 N measuring pin, and need not to press from both sides with the test and carry out the round trip clamp of 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 an inductance testing auxiliary tool provided by an embodiment of the present invention;

fig. 2 is a front view of an auxiliary tool for inductance testing provided by an embodiment of the present invention;

fig. 3 is a left side view of an inductance testing auxiliary tool provided by an embodiment of the present invention;

fig. 4 is a structural diagram of a second view angle of the inductance testing auxiliary tool according to 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.

Referring to fig. 1 to 4, an embodiment of the present invention provides an inductance testing auxiliary tool, which is used for connecting an inductance and an inductance tester, wherein the inductance includes N pins to be tested, and N is a positive integer greater than 1;

inductance test appurtenance includes:

the top surface 1 of the junction box is provided with N measuring pins 4, the positions of the N measuring pins 4 correspond to the positions of the N pins to be tested one by one, and the N measuring pins 4 are used for bearing the N pins to be tested; the side 2 of terminal box is provided with N connecting terminal 3, and N connecting terminal 3 is connected with N root of sensation needle 4 one-to-one electricity, and N connecting terminal 3 is used for being connected with the test clip electricity of inductance tester.

The embodiment of the utility model provides an in, above-mentioned pin that awaits measuring can be understood as measuring the volume of awaiting measuring the pin, that is to say, the pin that awaits measuring needs the measuring pin when measuring the inductance.

The junction box can be made of stainless steel, so that the rigidity of the junction box for inductance testing is high, the elasticity is good, and the modeling wear resistance is good.

The load bearing may be understood as a support. Specifically, the above N probe pins 4 for bearing N pins to be tested can be understood as follows: when the inductor is arranged on the N measuring pins, the end face of each pin to be measured of the inductor is abutted against the end face of the measuring pin corresponding to the position of the pin to be measured, so that the N pins to be measured are conducted with the N measuring pins in a one-to-one correspondence mode.

The above-described connection terminal 3 may also be referred to as a post. The connection terminal 3 may be at least partially protruded from the side surface 2 of the junction box; specifically, the connection terminal 3 may be fixed by being partially fitted into the junction box, or the connection terminal 3 may be fixed by connecting one end surface thereof to the side surface 2 of the junction box.

The terminal box may have one side 2 or a plurality of sides 2. When the terminal block has a plurality of side surfaces 2, the N connection terminals may be all distributed on one of the side surfaces 2; the N connection terminals 3 may be uniformly distributed on the plurality of side surfaces 2, for example, if N is 4 and the number of the side surfaces 2 is 2, 2 connection terminals may be provided on each side surface 2; above-mentioned N connecting terminal 3 can also non-uniform distribution on these a plurality of sides 2, contrast, the embodiment of the utility model discloses do not do the restriction.

The above-mentioned N connecting terminals 3 and N probe pins 4 are electrically connected in a one-to-one correspondence manner: each connection terminal 3 is electrically connected to a corresponding probe pin 4.

Adopt the embodiment of the utility model provides an in when inductance test appurtenance carries out inductance test, its application method can be as follows: during the use, press from both sides the test of inductance tester and the connecting terminal 3 that needs the test together, arrange the inductance in N measuring pin 4 on, make the terminal surface of the N pin that awaits measuring of inductance and the terminal surface one-to-one butt of N measuring pin 4 and switch on, then directly read inductance value on the inductance tester can.

Optionally, the area of the end surface of each probe 4 is greater than or equal to the area of the end surface of the pin to be tested corresponding to the position of the probe.

Because the end surface area of each measuring pin is larger than or equal to the end surface area of the pin to be tested corresponding to the position of the measuring pin, the inductor can be stably arranged on the N measuring pins, and the reliability of the test can be improved.

the top surface 1 of terminal box still is provided with M support column 5, and the position of M support column 5 and the position one-to-one of M non-pin under test, and M support column 5 is used for bearing M non-pin under test.

The embodiment of the utility model provides an in, above-mentioned non-pin that awaits measuring can be understood as the non-volume pin that awaits measuring, that is to say, the non-pin that awaits measuring does not need the measuring pin when measuring the inductance.

The load bearing may be understood as a support. Specifically, the above-mentioned M support pillars 5 for carrying M non-to-be-tested pins can be understood as follows: when the inductor is arranged on the N measuring pins 4, the end face of each pin to be tested of the inductor is abutted against the end face of the corresponding supporting column 5, so that each supporting column 5 supports the corresponding pin to be tested.

Because the top surface of terminal box still is provided with M support columns, the position of M support column and the position one-to-one of M non-pin that awaits measuring, M support column are used for bearing M non-pin that awaits measuring to when N measuring pins are arranged in to the inductance, M support column can play the supporting role to the non-pin that awaits measuring rather than the position correspondence respectively, like this, make the inductance can arrange in on N measuring pins more firmly, and then can improve the reliability of test.

Optionally, the area of the end surface of each supporting column 5 is greater than or equal to the area of the end surface of the non-to-be-tested pin corresponding to the position of the supporting column.

Because the end surface area of each supporting column is larger than or equal to the end surface area of the non-to-be-tested pin corresponding to the position of the supporting column, the inductor can be stably arranged on the N measuring pins, and the testing reliability can be improved.

Optionally, the auxiliary tool for inductance testing further comprises:

the inductance limiting plate 6 is arranged on the top surface 1 of the junction box and is positioned on one side of the N measuring pins 4;

in the direction perpendicular to the top surface 1 of the junction box, the height of the inductance limit plate 6 is larger than the height of the probe 4 extending out of the top surface 1 of the junction box.

The inductance-limiting plate 6 can be fixedly connected with the top surface 1 of the junction box. The number of the inductance limiting plates 6 can be one or more, and when the number of the inductance limiting plates 6 is multiple, the inductance limiting plates 6 can be respectively located on different sides of the N measuring pins 4.

Because the top surface of terminal box is provided with the inductance limiting plate, and in the direction of the top surface of perpendicular to terminal box, the height that highly is greater than the top surface that the probe stretches out the terminal box of inductance limiting plate to can carry on spacingly to the inductance, like this, make the user can confirm the position of placing of inductance more fast and conveniently, and then can improve efficiency of software testing.

Optionally, the number of the inductance limiting plates 6 is 2, the two inductance limiting plates 6 are perpendicular to each other and located on two adjacent sides of the N measuring pins 4, and one end of one of the inductance limiting plates 6 is connected with one end of another one of the inductance limiting plates 6.

Due to the fact that the two inductance limiting plates which are perpendicular to each other are arranged, the inductance can be located from two directions which are perpendicular to each other, and therefore a user can determine the placement position of the inductance more quickly and conveniently, and testing efficiency can be improved.

Optionally, the side face 2 of the junction box is further provided with a short-circuit switch 7, the short-circuit switch 7 is electrically connected with S measuring pins 4 of the N measuring pins 4, the short-circuit switch 7 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 using state, the S measuring pins 4 are in short circuit with each other;

in the second use state, the S pins 4 are disconnected from each other.

The short-circuit switch 7 may be a short-circuit button, or may be a short-circuit toggle or other short-circuit device. When the short switch 7 is a short button, the short switch 7 may be switched between the first use state and the second use state by a pressing operation of a user. When the short-circuit switch 7 is a short-circuit toggle, the short-circuit switch 7 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 7 may be one or 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 4 are short-circuited with each other, which means that the S measuring pins 4 are connected in series and/or in parallel; the disconnection of the S pins 4 from each other may be understood as an electrical disconnection between each two S pins 4, and herein, an electrical disconnection may be understood as an 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 7 includes:

the S connecting pieces are electrically disconnected with each other and are electrically connected with the S measuring pins 4 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 junction box has a plurality of sides 2, and the shorting switch 7 and the N connection terminals 3 are located on different sides 2.

Like this, because short circuit switch and N connecting terminal are located the side 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 batch test inductance.

Optionally, the junction box includes a pin mounting plate 81, a first side plate 82, a second side plate 83, and a third side plate 84;

the first side plate 82 and the second side plate 83 are opposite and arranged at intervals, the third side plate 84 is located between the first side plate 82 and the second side plate 83, one end of the third side plate 84 is connected with the first side plate 82, the other end of the third side plate 84 is connected with the second side plate 83, and the first side plate 82, the second side plate 83 and the third side plate 84 are all connected with the bottom surface of the measuring pin mounting plate 81.

Optionally, the stylus mounting plate 81 is respectively screwed with the first side plate 82, the second side plate 83 and the third side plate 84.

Because the measuring pin mounting plate is respectively in threaded connection with the first side plate, the second side plate and the third side plate, the measuring pin mounting plate, the first side plate, the second side plate and the third side plate can be conveniently assembled and disassembled, and therefore the manufacturing of the junction box can be more convenient, and the maintenance of the junction box can also be more convenient.

Optionally, the inductance test auxiliary tool further comprises a pressing mechanism, and the pressing mechanism comprises:

the fixing seat 91, the fixing seat 91 is arranged on one side of the junction box;

the lifting assembly 92 comprises a lifting body 921 and a movable rod 922, the lifting body 921 is located above the top surface 1 of the junction box and is fixedly connected with the fixed seat 91, the movable rod 922 is located above the top surface 1 of the junction box and is movably connected with the lifting body 921, and the movable rod 922 can perform reciprocating linear motion relative to the lifting body 921;

the pressing plate component 93 is located above the top surface 1 of the junction box and is fixedly connected with the movable rod 922, and the pressing plate component 93 moves towards or deviates from the top surface 1 of the junction box under the driving of the movable rod 922.

The fixing seat 91 may be used to support and fix the pressure drop assembly 92. The fixing base 91 can be fixedly connected with a junction box. The lift assembly 92 may be a quick clamp. The pressing plate assembly 93 can be used for pressing and holding the inductor so that the pin to be tested of the inductor is more stable and firm in connection with the corresponding measuring pin 4.

Due to the fact that the pressing and holding assembly is arranged, the pressing and holding assembly is used for pressing and holding the inductor, the pin to be tested of the inductor can be more stable and firm in butt joint with the corresponding probe, and the reliability of inductor testing can be better.

Optionally, a driving member 94 is disposed on the lifting body 921, the driving member 94 is in transmission connection with the movable rod 922, and the driving member 94 drives the movable rod 922 to perform reciprocating linear motion relative to the lifting body 921 under the operation of a user.

The driving member 94 may be in the form of a handle, a pull rod, a knife, or the like.

Because the lifting body is provided with the driving piece, the driving piece can drive the movable rod to do reciprocating linear motion relative to the lifting body under the operation of a user, so that the user can manually drive the movable rod to enable the pressure plate assembly to press and hold the inductor, and the user operation can be more convenient.

Optionally, the pressing mechanism further includes:

the sliding rod 92 is arranged on the top surface 1 of the junction box, the sliding rod 92 is perpendicular to the top surface 1 of the junction box, the pressing plate component 93 is in sliding connection with the sliding rod 95, and the pressing plate component 93 slides towards or away from the top surface 1 of the junction box along the sliding rod 95 under the driving of the movable rod 922.

Owing to be provided with the slide bar to the clamp plate subassembly can slide along the top surface that the slide bar orientation or deviate from the terminal box, like this, can make clamp plate subassembly's removal more steady, and then can be convenient for more the operation.

Optionally, the platen assembly 93 includes:

the connecting plate 931 is fixedly connected with the movable rod 922, and the connecting plate 931 is slidably connected with the sliding rod 95;

and the pressing plate 932 is positioned on one side of the connecting plate 931, which is close to the top surface 1 of the junction box, and the pressing plate 932 is fixedly connected with the connecting plate 931.

The sliding connection between the connecting plate 931 and the sliding rod 95 may specifically be: the connecting plate 931 is slidably connected to the slide rod 95 through a sleeve. The platen 932 may be configured to directly hold the inductor, i.e., the platen 932 is in direct contact with the inductor when the platen assembly 93 holds the inductor.

Because the clamp plate subassembly includes connecting plate and clamp plate, the connecting plate plays the connection effect, and the clamp plate plays the pressure and holds the effect to make the clamp plate subassembly can have better pressure and hold the effect.

Optionally, the number of the sliding rods 95 is 2, the two sliding rods 95 are respectively located on two opposite sides of the N measuring pins, one end of the pressing plate assembly is connected with one of the sliding rods in a sliding manner, and the other end of the pressing plate assembly is connected with the other sliding rod in a sliding manner.

Because be provided with two slide bars, two slide bars are located the relative both sides of N measuring stylus respectively, the one end of clamp plate subassembly and one of them slide bar sliding connection, the other end of clamp plate subassembly and another slide bar sliding connection to steady degree when can further improve the clamp plate subassembly and remove, and then can be convenient for more the operation.

Optionally, the fixing seat 91 includes:

the back plate 911 is arranged on one side of the junction box and attached to the junction box, and the back plate 911 is fixedly connected with the lifting body 921;

and the stay 912 is arranged on one side of the backboard 911 far away from the junction box and is attached to the backboard 911.

When the junction box is composed of the probe mounting plate 81, the first side plate 82, the second side plate 83 and the third side plate 84, the back plate 911 may be disposed opposite to the third side plate 84 and connected to the probe mounting plate 81, the first side plate 82 and the second side plate 83, respectively.

The stay 912 may be fixedly coupled to the backboard 911. The brace 912 may be used to support the backboard 911. The number of the stays 912 may be one or more, for example, the number of the stays 912 may be 2, and when the number of the stays 912 is 2, the two stays 912 may be disposed opposite to each other at intervals and connected to the same surface of the backboard 911, so that the backboard 911 can be supported better.

The fixing seat formed by the back plate and the supporting strips is simple in structure and stable and firm in structure.

Optionally, the auxiliary tool for inductance testing further includes a base 10;

the junction box is disposed on the base 10 and fixedly connected to the base 10, and the fixing seat 91 is disposed on the base 10 and fixedly connected to the base 10.

Because terminal box and fixing base all set up on the base to make inductance test appurtenance's wholeness better, be difficult for losing spare part 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

1. An inductance test auxiliary tool is used for connecting an inductance and an inductance tester, wherein the inductance comprises N pins to be tested, and N is a positive integer greater than 1;

characterized in that, inductance test appurtenance includes:

2. The auxiliary tool for inductance testing according to claim 1, wherein the area of the end surface of each probe pin is greater than or equal to the area of the end surface of the pin to be tested corresponding to the position of the probe pin.

3. The auxiliary tool for inductance testing according to claim 1, wherein the inductor further comprises M non-pins to be tested, wherein M is a positive integer greater than 0;

4. The auxiliary tool for inductance testing according to claim 3, wherein the area of the end surface of each supporting column is greater than or equal to the area of the end surface of the pin to be tested corresponding to the position thereof.

5. The inductance testing aid of claim 1, further comprising:

6. The inductance testing auxiliary tool according to claim 5, wherein the number of the inductance limiting plates is 2, two inductance limiting plates are perpendicular to each other and are respectively located at two adjacent sides of the N measuring pins, and one end of one of the inductance limiting plates is connected with one end of the other inductance limiting plate.

7. The inductance testing auxiliary tool according to claim 1, wherein a short-circuit switch is further disposed on a side surface of the junction box, the short-circuit switch is electrically connected to S of the N probe pins, 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 second use state, the S pins are disconnected from each other.

8. The inductance testing aid of any one of claims 1 to 7, further comprising a holding mechanism, the holding mechanism comprising:

the fixed seat is arranged on one side of the junction box;

9. The auxiliary tool for inductance testing according to claim 8, wherein the lifting body is provided with a driving member, the driving member is in transmission connection with the movable rod, and the driving member drives the movable rod to perform linear reciprocating motion relative to the lifting body under the operation of a user.

10. The inductance testing aid of claim 8, wherein said holding mechanism further comprises: