CN216119895U - Mutual inductor based on three-port network - Google Patents

Abstract

The utility model discloses a mutual inductor based on a three-port network, which comprises a mutual inductor main body, a bottom plate and a mounting device, wherein the bottom plate is mounted at the bottom of the mutual inductor main body; the mounting device comprises a rotating plate, a groove, a telescopic spring and a limiting ring, the rotating plate can be vertically connected to the side wall of the bottom end of the transformer main body in an overturning mode, and the limiting ring is fixed to the top end of the bottom plate. This mutual-inductor based on three-port network makes inside the fixture block imbeds the recess through pressing the fixture block, drives the expanding spring compression simultaneously, thereby the staff can overturn the rotor plate and make the axis of rotation rotatory this moment, after the fixture block is corresponding with the spacing ring, the staff loosens the fixture block, can imbed inside the spacing ring under expanding spring's reset action, and then realize better spacing effect, mutual-inductor and bottom plate installation can be ensured to this kind of setting and comparatively convenient problem is dismantled, the installation effectiveness of equipment has been promoted.

Description

Mutual inductor based on three-port network

Technical Field

The utility model relates to the technical field of mutual inductors, in particular to a mutual inductor based on a three-port network.

Background

The mutual inductor is also called instrument transformer, and is a general name of current mutual inductor and voltage mutual inductor. The high voltage can be changed into low voltage, and the large current can be changed into small current for measuring or protecting the system. Its function is mainly to convert high voltage or large current into standard low voltage (100V) or standard small current (5A or 1A, both referring to rated value) in proportion so as to realize standardization and miniaturization of measuring instrument, protection equipment and automatic control equipment. Meanwhile, the mutual inductor can be used for isolating a high-voltage system so as to ensure the safety of people and equipment.

Inside current mutual-inductor need insert the mutual-inductor with the coil, realize reducing current or voltage's effect to the mutual-inductor generally needs the bolt to install inside the machine when using, because machine inner space is less, and staff's operating range is comparatively limited when the installation, and it is comparatively inconvenient when installing or dismantling work through instruments such as screwdrivers, thereby has reduced the installation and the dismantlement efficiency of equipment.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Aiming at the defects of the prior art, the utility model provides the mutual inductor based on the three-port network, the fixture block is embedded into the groove by pressing the fixture block, the telescopic spring is driven to compress, at the moment, a worker can turn over the rotating plate to rotate the rotating shaft, after the fixture block corresponds to the limiting ring, the worker loosens the fixture block, and the fixture block can be embedded into the limiting ring under the reset action of the telescopic spring, so that a better limiting effect is realized.

(II) technical scheme

In order to achieve the purpose, the utility model provides the following technical scheme: a mutual inductor based on a three-port network comprises a mutual inductor main body and a bottom plate arranged at the bottom of the mutual inductor main body, and further comprises a mounting device used for mounting the mutual inductor main body and the bottom plate;

the mounting device comprises a rotating plate, a groove, a telescopic spring and a limiting ring, wherein the rotating plate can be vertically connected to the side wall of the bottom end of the transformer main body in an overturning manner, the limiting ring is fixed at the top end of the bottom plate, the groove is formed in the rotating plate and used for a fixture block to pass in and out, one end of the fixture block is inserted into the groove, and the other end of the fixture block is arranged corresponding to the limiting ring.

Preferably, mutual-inductor main part bottom lateral wall is fixed with two sets of baffles of symmetrical setting, and is two sets of the relative side of baffle rotates and is connected with the axis of rotation, the rotor plate top is fixed with the axis of rotation outer wall, has ensured the stability of the vertical upset of rotor plate through this kind of setting.

Preferably, the inside expanding spring that is provided with of recess, expanding spring one end is connected in recess inner wall, the other end and is connected in the fixture block, sets up expanding spring and can ensure that the fixture block has certain elasticity to can imbed inside the spacing ring automatically under expanding spring's reset action.

Preferably, the device further comprises a clamping device for limiting the coil from falling off;

clamping device includes fixed plate, threaded rod, movable clamp plate and backing plate, the fixed plate is fixed in mutual-inductor main part outer wall, the threaded rod run through and with the inside threaded connection of fixed plate, but movable clamp plate level pivoted is connected in the threaded rod bottom, the backing plate is fixed in mutual-inductor main part outer wall and with the corresponding setting of movable clamp plate, sets up clamping device and can will insert the inside coil centre gripping of mutual-inductor to the stability of coil has been ensured.

Preferably, the cross section of seting up inside the backing plate is half-circular arc hole, and the hole radian matches each other with the coil radian, sets up the hole and can conveniently deposit the coil to play better spacing effect, avoid the coil to take place to drop.

Preferably, the top end of the movable clamping plate is fixed with a guide rod, the guide rod penetrates through the inside of the fixed plate, the guide rod can play a role in guiding, and the moving stability of the movable clamping plate is guaranteed.

(III) advantageous effects

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

1. this mutual-inductor based on three-port network through setting up fixed plate, threaded rod, movable clamp plate, backing plate and guide bar, can drive movable clamp plate through rotatory threaded rod and be vertical reciprocating motion under the limiting displacement of guide bar, and the staff can insert the coil in the inside hole of backing plate this moment, can ensure the stability of coil after movable clamp plate with the coil centre gripping, guarantees at the during operation, and the difficult problem that drops that takes place of coil has promoted the stability of equipment.

2. This mutual-inductor based on three-port network, through setting up the baffle, the axis of rotation, the rotor plate, a groove, expanding spring, fixture block and spacing ring, make the fixture block imbed inside the recess through pressing the fixture block, drive the expanding spring compression simultaneously, thereby the staff can overturn the rotor plate and make the axis of rotation rotatory this moment, after the fixture block is corresponding with the spacing ring, the staff loosens the fixture block, can imbed inside the spacing ring under expanding spring's reset action, and then realize better spacing effect, mutual-inductor and bottom plate installation and the comparatively convenient problem of dismantlement can be ensured in this kind of setting, the installation effectiveness of equipment has been promoted.

Drawings

FIG. 1 is a schematic perspective view of the present invention;

FIG. 2 is a schematic view of the internal structure of the rotating plate according to the present invention;

FIG. 3 is an enlarged view of the structure at A in FIG. 2 according to the present invention;

FIG. 4 is a schematic side view of the present invention.

In the figure: 1. a transformer body; 2. a base plate; 311. a fixing plate; 312. a threaded rod; 313. a movable splint; 314. a base plate; 315. a guide rod; 411. a baffle plate; 412. a rotating shaft; 413. a rotating plate; 414. a groove; 415. a tension spring; 416. a clamping block; 417. a limit ring.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Examples

Referring to fig. 1 to 4, a transformer based on a three-port network includes a transformer body 1 and a base plate 2 installed at the bottom of the transformer body 1, and further includes an installation device for installing the transformer body 1 and the base plate 2.

The mounting device comprises a rotating plate 413, a groove 414, an extension spring 415 and a limit ring 417, wherein the rotating plate 413 can be vertically connected to the side wall of the bottom end of the transformer body 1 in an overturning manner, two groups of baffle plates 411 which are symmetrically arranged are fixed on the side wall of the bottom end of the transformer body 1, a rotating shaft 412 is rotatably connected to one side face of the two groups of baffle plates 411, the top end of the rotating plate 413 is fixed to the outer wall of the rotating shaft 412, the limit ring 417 is fixed to the top end of the bottom plate 2, the groove 414 is formed in the rotating plate 413 and used for allowing a clamping block 416 to enter and exit, one end of the clamping block 416 is inserted into the groove 414, the other end of the clamping block 416 is correspondingly arranged with the limit ring 417, the clamping block 416 can correspond to or separate from the limit ring 417 by vertically rotating the rotating plate 413, after the clamping block 416 is embedded into the limit ring 417, the rotating plate 413 can be fixed, and the stability of the transformer body 1 and the bottom plate 2 is guaranteed. The inside extension spring 415 that is provided with of recess 414, extension spring 415 one end is connected in recess 414 inner wall, and the other end is connected in fixture block 416, can guarantee that fixture block 416 has certain elasticity effect of restoring to the throne through setting up extension spring 415, presses and loosens the back when fixture block 416, makes fixture block 416 pop out the recess 414 outside automatically under extension spring 415's elasticity effect of restoring to the throne to embedding is inside spacing ring 417, thereby realizes the installation effect.

The coil clamp further comprises a clamping device used for limiting the coil to fall off. Clamping device includes fixed plate 311, threaded rod 312, movable clamp plate 313 and backing plate 314, fixed plate 311 is fixed in 1 outer wall of mutual-inductor main part, threaded rod 312 runs through and with the inside threaded connection of fixed plate 311, but movable clamp plate 313 level pivoted connects in threaded rod 312 bottom, backing plate 314 is fixed in mutual-inductor main part 1 outer wall and sets up with movable clamp plate 313 is corresponding, can drive movable clamp plate 313 and do vertical reciprocating motion under the effect of screw thread through rotatory threaded rod 312, the staff can place the coil on backing plate 314, realize coil centre gripping or break away from the centre gripping under the vertical reciprocating action of movable clamp plate 313, the inside cross section of having seted up of backing plate 314 is the half-circular arc hole, and the hole radian matches each other with the coil radian, can conveniently deposit the coil through setting up the hole, avoid the coil to take place to rock, play better spacing effect. The top of movable clamp plate 313 is fixed with guide rod 315, and inside guide rod 315 ran through fixed plate 311, set up guide rod 315 and can play the guide effect, guaranteed that movable clamp plate 313 can be stable vertical removal, and then ensured centre gripping coil's stability.

The working principle is as follows: when needing to install mutual-inductor main part 1 and bottom plate 2, the staff can press fixture block 416 earlier, fixture block 416 imbeds inside recess 414 this moment, expanding spring 415 receives the extrusion compression this moment, staff rotatory rotor plate 413 makes axis of rotation 412 rotatory afterwards, after fixture block 416 and spacing ring 417 are corresponding, the staff can loosen fixture block 416, make fixture block 416 imbed inside spacing ring 417 under expanding spring 415's elasticity reset effect, thereby realize the fixed to rotor plate 413, thereby play the effect of fixed mutual-inductor main part 1 and bottom plate 2.

When needing to use, inside the staff inserted the coil into mutual-inductor main part 1, the staff can rotate threaded rod 312 afterwards, and the vertical downstream of drive activity splint 313 moves under the effect of screw thread, and guide bar 315 slides along fixed plate 311 inner wall this moment, and the staff places the coil in the inside hole of backing plate 314, after activity splint 313 laminated the coil, can play better centre gripping effect, has ensured the stability of coil.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. The utility model provides a mutual-inductor based on three-port network, includes mutual-inductor main part (1) and installs bottom plate (2) in mutual-inductor main part (1) bottom, its characterized in that: the transformer comprises a transformer body (1) and a bottom plate (2);

the mounting device comprises a rotating plate (413), a groove (414), a telescopic spring (415) and a limiting ring (417), wherein the rotating plate (413) can be vertically connected to the side wall of the bottom end of the transformer main body (1) in an overturning manner, the limiting ring (417) is fixed to the top end of the bottom plate (2), the groove (414) is formed in the rotating plate (413) and is internally used for a clamping block (416) to enter and exit, and one end of the clamping block (416) is inserted into the groove (414), and the other end of the clamping block (416) is correspondingly arranged with the limiting ring (417).

2. The transformer based on the three-port network as claimed in claim 1, wherein: the mutual-inductor main part (1) bottom lateral wall is fixed with two sets of baffles (411) of symmetrical setting, and is two sets of baffle (411) relative side rotates and is connected with axis of rotation (412), rotating plate (413) top is fixed with axis of rotation (412) outer wall.

3. The transformer based on the three-port network as claimed in claim 1, wherein: a telescopic spring (415) is arranged in the groove (414), one end of the telescopic spring (415) is connected to the inner wall of the groove (414), and the other end of the telescopic spring (415) is connected to the clamping block (416).

4. The transformer based on the three-port network as claimed in claim 1, wherein: the coil clamp also comprises a clamping device for limiting the coil to fall off;

clamping device includes fixed plate (311), threaded rod (312), activity splint (313) and backing plate (314), fixed plate (311) are fixed in mutual-inductor main part (1) outer wall, threaded rod (312) run through and with fixed plate (311) internal thread be connected, but activity splint (313) horizontal rotation connect in threaded rod (312) bottom, backing plate (314) are fixed in mutual-inductor main part (1) outer wall and with the corresponding setting of activity splint (313).

5. The transformer based on the three-port network as claimed in claim 4, wherein: the cross section of the inside of the backing plate (314) is provided with a semi-circular arc-shaped hole, and the radian of the hole is matched with that of the coil.

6. The transformer based on the three-port network as claimed in claim 5, wherein: the top end of the movable clamping plate (313) is fixed with a guide rod (315), and the guide rod (315) penetrates through the fixing plate (311).

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