CN220207837U - Transformer winding testing device - Google Patents

Abstract

The utility model discloses a transformer winding testing device, which comprises: a case body; the guide needle plate is arranged on the box body, a guide column is arranged on the guide needle plate, and a plurality of guide needle assemblies are vertically inserted into the guide needle plate; the mounting plate is provided with guide holes, the mounting plate is sleeved on the guide posts through the guide holes, the mounting plate is also provided with mounting grooves, the mounting grooves are arranged in one-to-one correspondence with the guide pin assemblies, insertion holes are formed in the mounting grooves, the mounting grooves are used for mounting the transformer windings, and the insertion holes are used for inserting pins of the transformer windings so as to enable the pins to be connected with corresponding guide pins; the pressing mechanism is arranged on the box body and used for pressing the mounting plate; the contact mechanism comprises a sliding block and contact pin groups, the sliding block is slidably arranged on the box body along the front-back direction, each contact pin group comprises two contact pins, and the two contact pins are used for contacting two pins outside the front end of the corresponding transformer winding; and the detection mechanism is electrically connected with the contact pins and is used for detecting the on-off of the coils of the transformer winding.

Description

Transformer winding testing device

Technical Field

The utility model relates to the technical field of testing devices, in particular to a transformer winding testing device.

Background

After the winding of the transformer is completed, the lead wires on the winding of the transformer are possibly broken in the transferring process, so that the performance of the transformer is reduced and even fails, and therefore, the winding of the transformer needs to be tested before being assembled.

Disclosure of Invention

The present utility model aims to solve at least one of the technical problems existing in the prior art. Therefore, the utility model provides a transformer winding testing device which can test the on-off state of a transformer winding.

According to an embodiment of the first aspect of the present utility model, a transformer winding test apparatus includes: a case body; the guide needle plate is arranged on the box body, guide posts are arranged on the guide needle plate, a plurality of guide needle assemblies are vertically inserted into the guide needle plate, each guide needle assembly comprises two groups of guide needles, the two groups of guide needles are oppositely arranged in the front-rear direction, each guide needle group comprises four guide needles, two groups of guide needles are arranged in the four guide needles at the back, and two guide needles at the outer side are respectively communicated with the adjacent guide needles; of the four guide pins of the two groups of guide pins, the two guide pins on the inner side are communicated; the mounting plate is provided with guide holes, the mounting plate is sleeved on the guide posts through the guide holes, the mounting plate is also provided with mounting grooves, the mounting grooves are arranged in one-to-one correspondence with the guide pin assemblies, insertion holes are formed in the mounting grooves, the insertion holes are arranged in one-to-one correspondence with the guide pins, the mounting grooves are used for mounting transformer windings, and the insertion holes are used for inserting pins of the transformer windings so as to enable the pins to be connected with the corresponding guide pins; the pressing mechanism is arranged on the box body and is used for pressing the mounting plate; the contact mechanism comprises a sliding block and contact pin groups, the sliding block is slidably arranged on the box body along the front-back direction, the contact pin groups are arranged in one-to-one correspondence with the mounting grooves, each contact pin group comprises two contact pins, and the two contact pins are used for contacting two pins outside the front end of the corresponding transformer winding; and the detection mechanism is electrically connected with the contact pins and is used for detecting the on-off of the coils of the transformer winding.

The transformer winding testing device provided by the embodiment of the utility model has at least the following beneficial effects: the guide pin plate is used for fixing the guide pins, so that after the mounting plate loaded with the transformer windings is mounted on the guide pin plate, pins of the transformer windings can be contacted with the corresponding guide pins, the mounting plate can be integrally mounted on the guide pin plate, namely a plurality of transformer windings can be mounted in place together, and the contact mechanism and the detection mechanism are matched to detect the on-off condition of the transformer windings; in addition, the pressing mechanism is used for pressing the mounting plate, so that the mounting plate is prevented from generating displacement, stability of detection is provided in detection, and detection errors are reduced; in addition, the box body sets up each functional unit in a centralized way, conveniently removes and carries, can be according to the local condition when using, and is more convenient.

According to some embodiments of the utility model, the pressing mechanism includes: the bracket is arranged on the box body; the guide rod is arranged on the bracket and extends vertically; the pressing block is vertically connected to the guide rod in a sliding manner and is used for pressing the mounting plate; the first driving piece is connected to the support, the first driving piece is in transmission connection with the pressing block, the first driving piece is used for driving the pressing block to press the mounting plate, and the pressing mechanism is simple in structure and convenient to operate.

According to some embodiments of the utility model, the first driver comprises: the first fixing seat is arranged on the bracket; the first sliding rod is connected to the first fixing seat in a sliding manner, the first sliding rod can vertically slide, and one end of the first sliding rod is connected with the pressing block; one end of the first connecting rod is hinged with the other end of the first sliding rod; the first rocker arm is hinged to the first fixing seat, the other end of the first connecting rod is hinged to the middle of the first rocker arm, the first rocker arm is used for driving the first sliding rod to slide so as to drive the pressing block to lift, and the first driving piece utilizes the principle of a crank sliding block mechanism, so that the first driving piece is simple in structure and convenient to operate manually.

According to some embodiments of the utility model, the contact mechanism further comprises a second driver comprising: the second fixing seat is arranged on the box body; the second sliding rod is connected to the second fixing seat in a sliding manner, the second sliding rod can slide along the front-back direction, and one end of the second sliding rod is connected with the pressing block; one end of the elastic piece is connected with the second slide bar, the other end of the elastic piece is connected with the box body, and the elastic piece is used for driving the second slide bar to slide forwards; one end of the second connecting rod is hinged with the other end of the second sliding rod; the second rocker arm is hinged to the second fixing seat, the other end of the second connecting rod is hinged to the middle of the second rocker arm, the second rocker arm is used for driving the second sliding rod to slide so as to drive the contact pin to contact the corresponding two pins on the outer side of the front end of the transformer winding, the contact mechanism can contact the two pins on the outer side of the front end of the transformer winding, and therefore all coils of the transformer winding are connected into a loop, and the loop can be detected through the detection mechanism.

According to some embodiments of the utility model, the first driving member and/or the second driving member are/is provided as a cylinder, which is easy to obtain and convenient to install and use.

According to some embodiments of the present utility model, the detection mechanism includes a plurality of detection loops, the detection loops are disposed in one-to-one correspondence with the contact pin groups, an indicator light and a power supply are disposed on the detection loops, and a positive pole and a negative pole of the detection loops are respectively connected to the corresponding contact pins, if the transformer winding is on, the indicator light will be turned on, and if the transformer winding is off, the indicator light will not be turned on, so as to detect the on-off condition of the wires of the transformer winding, and avoid generating defective products.

According to some embodiments of the utility model, the mounting plate is made of an acrylic plate, which is easily available and is convenient to mold and manufacture.

According to some embodiments of the utility model, the cartridge comprises: a body portion; the cover plate is hinged on the body part, the guide plate, the pressing mechanism and the contact mechanism are arranged on the cover plate, the structure is simple, the cover plate can seal the body part, so that a circuit in an inner cavity of the body part cannot be interfered, and the effect of fully utilizing space is also achieved.

According to some embodiments of the utility model, the support is detachably connected to the body portion, so that the support can be conveniently detached and placed in the inner cavity of the body portion, and the support is convenient to carry and store.

According to some embodiments of the utility model, the bracket comprises a clamping block and a mounting panel, the mounting panel is mounted on the clamping block, the clamping block is clamped at the edge of the body part, the first fixing seat is arranged on the mounting panel, the structure is simple, the clamping block is used for clamping the mounting panel, the dismounting and the mounting are convenient, and the operation is more convenient.

Additional aspects and advantages of the utility model will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model.

Drawings

The foregoing and/or additional aspects and advantages of the utility model will become apparent and may be better understood from the following description of embodiments taken in conjunction with the accompanying drawings in which:

fig. 1 is a schematic structural diagram of a transformer winding testing device according to an embodiment of the present utility model;

FIG. 2 is an exploded view of the transformer winding test apparatus shown in FIG. 1;

FIG. 3 is a perspective exploded view of the transformer winding test device shown in FIG. 1 from the bottom;

FIG. 4 is a schematic structural view of a pressing mechanism of the transformer winding test device shown in FIG. 1;

fig. 5 is a schematic diagram of a detection mechanism of the transformer winding test device shown in fig. 1 detecting a transformer winding.

A case 100, a body 110, and a cover 120;

a guide pin plate 200, a guide pin column 210, a guide pin assembly 220, and a guide pin 221;

mounting plate 300, guide hole 310, mounting groove 320, and insertion hole 330;

the pressing mechanism 400, the bracket 410, the clamping block 411 and the mounting panel 412;

the guide rod 420, the pressing block 430 and the first driving piece 440;

the first fixing base 441, the first sliding rod 442, the first link 443, the first rocker 444;

a contact mechanism 500, a slider 510, a contact pin set 520, and a contact pin 521;

the second driving member 530, the second fixing base 531, the second slide bar 532, the elastic member 533, the second link 534, and the second swing arm 535;

detection mechanism 600, detection circuit 610, indicator 620, and power supply 630;

a transformer winding 700.

Detailed Description

Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the utility model.

In the description of the present utility model, it should be understood that references to orientation descriptions such as upper, lower, front, rear, left, right, etc. are based on the orientation or positional relationship shown in the drawings, are merely for convenience of description of the present utility model and to simplify the description, and do not indicate or imply that the apparatus or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present utility model.

In the description of the present utility model, a plurality means one or more, and a plurality means two or more, and it is understood that greater than, less than, exceeding, etc. does not include the present number, and it is understood that greater than, less than, within, etc. include the present number. The description of the first and second is for the purpose of distinguishing between technical features only and should not be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present utility model, unless explicitly defined otherwise, terms such as arrangement, installation, connection, etc. should be construed broadly and the specific meaning of the terms in the present utility model can be reasonably determined by a person skilled in the art in combination with the specific contents of the technical scheme.

Referring to fig. 1 to 5, a transformer winding test apparatus includes: a case 100; the guide pin plate 200 is arranged on the box body 100, guide posts 210 are arranged on the guide pin plate 200, a plurality of guide pin assemblies 220 are vertically inserted into the guide pin plate 200, each guide pin assembly 220 comprises two groups of guide pins 221, the two groups of guide pins 221 are oppositely arranged in the front-rear direction, each group of guide pins 221 comprises four guide pins 221, among the four guide pins 221 on the back of the two groups of guide pins 221, the two guide pins 221 on the outer side are respectively communicated with the adjacent guide pins 221; of the four guide pins 221 on the front side of the two groups of guide pins 221, the two guide pins 221 on the inner side are connected; the mounting plate 300 is provided with guide holes 310, the mounting plate 300 is sleeved on the guide post 210 through the guide holes 310, the mounting plate 300 is also provided with mounting grooves 320, the mounting grooves 320 are arranged in one-to-one correspondence with the guide pin assemblies 220, the mounting grooves 320 are provided with insertion holes 330, the insertion holes 330 are arranged in one-to-one correspondence with the guide pins 221, the mounting grooves 320 are used for mounting the transformer windings 700, and the insertion holes 330 are used for inserting pins of the transformer windings 700 to enable the pins to be connected with the corresponding guide pins 221; a pressing mechanism 400 provided on the case 100, the pressing mechanism 400 being for pressing the mounting plate 300; the contact mechanism 500 includes a slider 510 and contact pin groups 520, the slider 510 is slidably disposed on the case 100 along the front-rear direction, the contact pin groups 520 are disposed in one-to-one correspondence with the mounting grooves 320, each contact pin group 520 includes two contact pins 521, and the two contact pins 521 are used for contacting two pins outside the front end of the corresponding transformer winding 700; the detection mechanism 600 is electrically connected to the contact pins 521, and the detection mechanism 600 is used for detecting the on-off state of the coil of the transformer winding 700.

The guide pin plate 200 is provided to fix the guide pins 221, so that the mounting plate 300 loaded with the transformer winding 700 can also enable the pins of the transformer winding 700 to contact with the corresponding guide pins 221 after being mounted on the guide pin plate 200, the mounting plate 300 can be integrally mounted on the guide pin plate 200, i.e. a plurality of transformer windings 700 can be mounted together in place, and the contact mechanism 500 and the detection mechanism 600 cooperate to detect the on-off condition of the transformer winding 700; in addition, the pressing mechanism 400 is configured to press the mounting plate 300, so that the mounting plate 300 is not displaced, stability of detection is provided during detection, and detection errors are reduced; in addition, the box body 100 is provided with all functional components in a centralized way, is convenient to move and carry, and can be more convenient according to local conditions when in use.

In some embodiments, the pressing mechanism 400 includes: a bracket 410 provided on the case 100; the guide rod 420 is arranged on the bracket 410, and the guide rod 420 extends vertically; the pressing block 430 is vertically and slidably connected to the guide rod 420, and the pressing block 430 is used for pressing the mounting plate 300; the first driving member 440 is connected to the bracket 410, the first driving member 440 is in transmission connection with the pressing block 430, the first driving member 440 is used for driving the pressing block 430 to press the mounting plate 300, and the pressing mechanism 400 is simple in structure and convenient to operate.

In some embodiments, the first driver 440 includes: a first fixing base 441 disposed on the bracket 410; the first sliding rod 442 is slidably connected to the first fixing base 441, the first sliding rod 442 can slide vertically, and one end of the first sliding rod 442 is connected to the pressing block 430; a first link 443 having one end hinged to the other end of the first slide bar 442; the first rocker 444 is hinged on the first fixed seat 441, the other end of the first connecting rod 443 is hinged at the middle part of the first rocker 444, the first rocker 444 is used for driving the first sliding rod 442 to slide so as to drive the pressing block 430 to lift, and the first driving piece 440 utilizes the principle of a crank sliding block mechanism, so that the first driving piece 440 is simple in structure and convenient to operate manually.

In some embodiments, the contact mechanism 500 further includes a second driver 530, the second driver 530 including: the second fixing base 531 is disposed on the box body 100; the second slide bar 532 is slidably connected to the second fixing seat 531, the second slide bar 532 can slide along the front-back direction, and one end of the second slide bar 532 is connected to the pressing block 430; an elastic member 533, one end of which is connected to the second slide rod 532, and the other end of which is connected to the box body 100, wherein the elastic member 533 is used for driving the second slide rod 532 to slide forward; a second link 534 having one end hinged to the other end of the second slider bar 532; the second rocker arm 535 is hinged on the second fixing seat 531, the other end of the second connecting rod 534 is hinged at the middle part of the second rocker arm 535, the second rocker arm 535 is used for driving the second sliding rod 532 to slide so as to drive the contact pin 521 to contact the two pins on the outer side of the front end of the corresponding transformer winding 700, the contact mechanism 500 can be arranged to realize the contact of the two pins on the outer side of the front end of the transformer winding 700, and therefore all coils of the transformer winding 700 are connected into a loop, and the loop can be detected through the detection mechanism 600.

In some embodiments, the first driving member 440 and/or the second driving member 530 are provided as an air cylinder, which is easy to obtain and convenient to install and use.

Referring to fig. 2 and 5, the detection mechanism 600 includes a plurality of detection circuits 610, the detection circuits 610 are disposed in one-to-one correspondence with the contact pin groups 520, an indicator lamp 620 and a power source 630 are disposed on the detection circuits 610, the positive pole and the negative pole of the detection circuits 610 are respectively connected to the corresponding contact pins 521, if the transformer winding 700 is on, the indicator lamp 620 will be turned on, and if the transformer winding 700 is off, the indicator lamp 620 will not be turned on, so as to detect the on-off condition of the wires of the transformer winding 700, and avoid defective products. It can be understood that the detection mechanism 600 may be disposed on the body 110, or may be disposed separately, where two opposite pins of the transformer winding 700 are one coil, and one transformer winding 700 is actually formed by winding four coils on a frame, the pins of the transformer winding 700 are connected with the corresponding pins 221, and the corresponding pins 221 have a corresponding electrical connection relationship, which is equivalent to connecting the four coils in the transformer winding 700 in series, and then the contact pins 521 in front of the transformer winding 700 can contact two pins on the outer side of the front end of the transformer winding 700, so that an energized circuit can be formed with the detection circuit 610 to detect the on/off of the coils of the transformer winding 700.

In some embodiments, the mounting plate 300 is made of acrylic sheet, which is readily available and convenient to mold and manufacture.

Referring to fig. 3, the cartridge 100 includes: a body portion 110; the cover plate 120 is hinged on the body 110, the guide plate 200, the pressing mechanism 400 and the contact mechanism 500 are all arranged on the cover plate 120, the structure is simple, the cover plate 120 can seal the body 110, so that the circuit in the inner cavity of the body 110 can not be interfered, and the space can be fully utilized. It will be appreciated that the cover 120 is hinged to the body 110 by a hinge.

In some embodiments, the stand 410 is detachably connected to the body 110, so that the stand 410 can be conveniently detached and placed in the inner cavity of the body 110, and the stand is convenient to carry and store.

In some embodiments, the bracket 410 includes a clamping block 411 and a mounting panel 412, the mounting panel 412 is mounted on the clamping block 411, the clamping block 411 is clamped at the edge of the body portion 110, the first fixing base 441 is disposed on the mounting panel 412, the structure is simple, the clamping block 411 is utilized to clamp the mounting panel 412, the disassembly and the installation are convenient, and the operation is more convenient.

The embodiments of the present utility model have been described in detail with reference to the accompanying drawings, but the present utility model is not limited to the above embodiments, and various changes can be made within the knowledge of one of ordinary skill in the art without departing from the spirit of the present utility model.

Claims (10)

1. A transformer winding testing device, comprising:

a case (100);

the guide needle plate (200) is arranged on the box body (100), guide columns (210) are arranged on the guide needle plate (200), a plurality of guide needle assemblies (220) are vertically inserted into the guide needle plate (200), each guide needle assembly (220) comprises two groups of guide needles (221), the two groups of guide needles (221) are oppositely arranged in the front-back direction, each guide needle (221) comprises four guide needles (221), and two guide needles (221) on the outer side are respectively communicated with the adjacent guide needles (221) in the four guide needles (221) on the back of the two groups of guide needles (221); of the four guide pins (221) at the front of the two groups of guide pins (221), the two guide pins (221) at the inner side are communicated;

the mounting plate (300) is provided with guide holes (310), the mounting plate (300) is sleeved on the guide posts (210) through the guide holes (310), the mounting plate (300) is also provided with mounting grooves (320), the mounting grooves (320) are arranged in one-to-one correspondence with the guide pin assemblies (220), the mounting grooves (320) are internally provided with jacks (330), the jacks (330) are arranged in one-to-one correspondence with the guide pins (221), the mounting grooves (320) are used for mounting transformer windings (700), and the jacks (330) are used for being inserted into pins of the transformer windings (700) to enable the pins to be connected with the corresponding guide pins (221);

a pressing mechanism (400) provided on the case (100), the pressing mechanism (400) being configured to press the mounting plate (300);

the contact mechanism (500) comprises a sliding block (510) and contact pin groups (520), wherein the sliding block (510) is slidably arranged on the box body (100) along the front-back direction, the contact pin groups (520) are arranged in one-to-one correspondence with the mounting grooves (320), each contact pin group (520) comprises two contact pins (521), and the two contact pins (521) are used for contacting two pins outside the front end of the corresponding transformer winding (700);

and the detection mechanism (600) is electrically connected with the contact pin (521), and the detection mechanism (600) is used for detecting the on-off state of the coil of the transformer winding (700).

2. The transformer winding testing device according to claim 1, wherein the pressing mechanism (400) comprises:

a bracket (410) arranged on the box body (100);

a guide rod (420) disposed on the bracket (410), the guide rod (420) extending vertically;

the pressing block (430) is vertically connected to the guide rod (420) in a sliding manner, and the pressing block (430) is used for pressing the mounting plate (300);

the first driving piece (440) is connected to the bracket (410), the first driving piece (440) is in transmission connection with the pressing block (430), and the first driving piece (440) is used for driving the pressing block (430) to press the mounting plate (300).

3. The transformer winding testing device according to claim 2, wherein the first driver (440) comprises:

a first fixed seat (441) disposed on the bracket (410);

the first sliding rod (442) is connected to the first fixing seat (441) in a sliding manner, the first sliding rod (442) can vertically slide, and one end of the first sliding rod (442) is connected with the pressing block (430);

a first link (443) having one end hinged to the other end of the first slide bar (442);

the first rocker arm (444) is hinged to the first fixing base (441), the other end of the first connecting rod (443) is hinged to the middle of the first rocker arm (444), and the first rocker arm (444) is used for driving the first sliding rod (442) to slide so as to drive the pressing block (430) to lift.

4. A transformer winding testing device according to claim 3, wherein: the contact mechanism (500) further comprises a second drive member (530), the second drive member (530) comprising:

the second fixing seat (531) is arranged on the box body (100);

the second sliding rod (532) is connected to the second fixing seat (531) in a sliding manner, the second sliding rod (532) can slide along the front-back direction, and one end of the second sliding rod (532) is connected with the pressing block (430);

one end of the elastic piece (533) is connected with the second slide rod (532), the other end of the elastic piece (533) is connected with the box body (100), and the elastic piece (533) is used for driving the second slide rod (532) to slide forwards;

a second link (534) having one end hinged to the other end of the second slider bar (532);

the second rocker arm (535) is hinged to the second fixing seat (531), the other end of the second connecting rod (534) is hinged to the middle of the second rocker arm (535), and the second rocker arm (535) is used for driving the second sliding rod (532) to slide so as to drive the contact needle (521) to contact the two corresponding pins on the outer side of the front end of the transformer winding (700).

5. The transformer winding testing device of claim 4, wherein: the first drive element (440) and/or the second drive element (530) are/is provided as a cylinder.

6. A transformer winding testing device according to any one of claims 3 to 5, wherein: the detection mechanism (600) comprises a plurality of detection loops (610), the detection loops (610) are arranged in one-to-one correspondence with the contact needle groups (520), an indicator lamp (620) and a power supply (630) are arranged on the detection loops (610), and the anode and the cathode of the detection loops (610) are respectively connected to the corresponding contact needles (521).

7. The transformer winding testing device of claim 6, wherein: the mounting plate (300) is made of an acrylic plate.

8. The transformer winding testing device according to claim 7, wherein the cartridge (100) comprises:

a body (110);

the cover plate (120) is hinged to the body part (110), and the guide plate (200), the pressing mechanism (400) and the contact mechanism (500) are all arranged on the cover plate (120).

9. The transformer winding testing device of claim 8, wherein: the bracket (410) is detachably connected to the body portion (110).

10. The transformer winding testing device of claim 9, wherein: the bracket (410) comprises a clamping block (411) and a mounting panel (412), the mounting panel (412) is mounted on the clamping block (411), the clamping block (411) is clamped at the edge of the body part (110), and the first fixing seat (441) is arranged on the mounting panel (412).