CN219997184U - Impedance tester - Google Patents

Abstract

The utility model provides an impedance tester, which comprises an impedance tester body, wherein a placing groove is formed in the impedance tester body, a placing block is slidably matched in the placing groove, a pressing plate is elastically matched on the upper side of the placing block, an anti-slip pad is arranged on the upper side of the pressing plate, a guide block is fixedly connected on the upper side of the placing block, a clamping plate is elastically matched in the placing groove, the clamping plate corresponds to the guide block, a cover plate is fixed at one end of the placing block, a clamping groove is formed in the cover plate, a clamping block is elastically matched in the placing groove, and the clamping block corresponds to the clamping groove. According to the utility model, the placing block is arranged in the placing groove, the pressing plate and the guide block are arranged on the upper side of the placing block, the anti-slip pad is arranged on the pressing plate, the clamping plate is arranged in the placing groove, the notebook can be directly placed on the anti-slip pad, and then the notebook is clamped and fixed through the pressing plate, so that the notebook can be carried together when the impedance tester body is carried, and the convenience is realized.

Description

Impedance tester

Technical Field

The utility model relates to the technical field of impedance testers, in particular to an impedance tester.

Background

The utility model provides a transformer short circuit impedance tester is the basic item among the conventional test item, be used for comparing the transformer and receive the instrument of short circuit impedance value that short circuit current's impact was measured around, as the patent of publication No. CN213398719U, a portable transformer short circuit impedance tester is disclosed, including the instrument body, the recess has been seted up at the left central authorities of instrument body, sliding connection has the slide in the recess, the central fixedly connected with closing plate in slide left, the central fixedly connected with spread groove in recess left, the standing groove has all been seted up to slide bottom and the position department that is close to the four corners, through the slide that sets up, the recess, the closing plate, the spread groove, the supporting legs, for the staff can pull out closing plate and slide from the left side of recess when needing to with the supporting legs from the standing groove, and rotate to the perpendicular form, make four supporting legs play the effect of supporting to the slide, through the slide that can accomodate, make the staff can more convenient with notebook and body connection.

The device is convenient to carry and can prevent the notebook, but can not put the notebook inside the instrument body, still needs to carry the notebook alone, and is comparatively troublesome, and when the device is used at every turn, still need to twist the bolt, just can remove the fixation to the closing plate, and is comparatively troublesome for the efficiency of side view impedance reduces.

To this end, the utility model provides an impedance tester.

Disclosure of Invention

Aiming at the defects existing in the prior art, the utility model aims to provide the impedance tester, so as to solve the problems in the background art, the utility model can directly place the notebook on the anti-slip pad, and then clamp and fix the notebook through the pressing plate, thereby carrying the notebook together when carrying the impedance tester body, and being more convenient; and can fix placing the piece through fixture block and draw-in groove, save the time of dismantling the screw, improve efficiency of software testing.

In order to achieve the above object, the present utility model is realized by the following technical scheme: the utility model provides an impedance tester, includes the impedance tester body, the standing groove has been seted up in the impedance tester body, and sliding fit has the piece of placing in the standing groove, and place piece upside elastic fit has the clamp plate, and the slipmat has been installed to the clamp plate upside, places piece upside fixedly connected with guide block, and elastic fit has splint in the standing groove, and splint and guide block are corresponding, and the one end of placing the piece is fixed with the apron, has seted up the draw-in groove in the apron, and elastic fit has the fixture block in the standing groove, and the fixture block is corresponding with the draw-in groove.

Furthermore, both sides in the placing groove are provided with sliding grooves, both sides of the placing block are provided with sliding blocks, the sliding blocks correspond to the sliding grooves, and limiting blocks are arranged in the sliding grooves.

Further, the top of the placing groove is provided with a groove, the groove corresponds to the clamping block, a first spring is arranged between the groove wall of the groove and the clamping block, and the clamping block is of an L-shaped structure.

Further, a second spring is arranged between the placement block and the pressing plate.

Further, a third spring is arranged between the groove wall of the placing groove and the clamping plate, and one surface of the guide block, which is close to the clamping plate, is of an S-shaped curved surface structure.

Further, a handle is arranged on one side, far away from the placing groove, of the cover plate.

Further, supporting leg placing grooves are formed in the lower sides of the placing blocks, supporting legs are rotatably matched with the supporting leg placing grooves, and torsion springs are arranged between the supporting legs and the supporting leg placing grooves.

The utility model has the beneficial effects that: the utility model relates to an impedance tester, which comprises a placing groove; placing a block; a pressing plate; a guide block; an anti-slip pad; a clamping plate; and (5) clamping blocks.

The placing block is installed in the placing groove, the pressing plate and the guide block are installed on the upper side of the placing block, the anti-slip pad is installed on the pressing plate, the clamping plate is installed in the placing groove, the notebook can be directly placed on the anti-slip pad, and then the notebook is clamped and fixed through the pressing plate, so that the notebook can be carried together when the impedance tester body is carried, the clamping groove is formed in the cover plate, the clamping block is installed in the placing groove, the placing block can be fixed through the clamping block and the clamping groove, the time for disassembling screws is saved, and the testing efficiency is improved.

Drawings

FIG. 1 is a schematic diagram of an overall assembled three-dimensional structure of an impedance tester according to the present utility model;

FIG. 2 is a schematic diagram showing an overall assembly cross-section structure of an impedance tester according to the present utility model;

FIG. 3 is a schematic diagram showing an assembly structure of a chute and a slider in an impedance tester according to the present utility model;

FIG. 4 is a schematic diagram showing an assembly structure of a clamping plate and a guide block in an impedance tester according to the present utility model;

in the figure: 1. an impedance tester body; 2. a placement groove; 3. a chute; 4. a slide block; 5. a limiting block; 6. a handle; 7. a groove; 8. a clamping block; 9. a cover plate; 10. a first spring; 11. a second spring; 12. a third spring; 13. a support leg placement groove; 14. placing a block; 15. a pressing plate; 16. an anti-slip pad; 17. a clamping plate; 18. a guide block; 19. and (5) supporting legs.

Detailed Description

The utility model is further described in connection with the following detailed description, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the utility model easy to understand.

Referring to fig. 1 to 4, the present utility model provides a technical solution: the utility model provides an impedance tester, includes impedance tester body 1, set up standing groove 2 in the impedance tester body 1, sliding fit has placed piece 14 in standing groove 2, and place piece 14 upside elastic fit has clamp plate 15, and slide-proof pad 16 has been installed to clamp plate 15 upside, and place piece 14 upside fixedly connected with guide block 18, elastic fit has splint 17 in the standing groove 2, and splint 17 corresponds with guide block 18, and the one end of placing piece 14 is fixed with apron 9, has seted up the draw-in groove in the apron 9, and elastic fit has fixture block 8 in the standing groove 2, and fixture block 8 corresponds with the draw-in groove.

In this embodiment, the sliding grooves 3 are formed in both sides of the placement groove 2, the sliding blocks 4 are defined in both sides of the placement block 14, the sliding blocks 4 correspond to the sliding grooves 3, the limiting blocks 5 are arranged in the sliding grooves 3, the pull handle 6 is arranged on one side, far away from the placement groove 2, of the cover plate 9, when the placement block 14 slides out, the pull handle 6 is pulled, the sliding blocks 4 slide in the sliding grooves 3, the placement block 14 is pulled out until the sliding blocks 4 contact with the limiting blocks 5, and the limiting blocks 5 limit the sliding blocks 4.

The recess 7 has been seted up at the top of standing groove 2, and recess 7 corresponds with fixture block 8, has installed first spring 10 between the cell wall of recess 7 and the fixture block 8, and fixture block 8 is L shape structure, when needs pull out and place the piece 14, upwards slide fixture block 8 for fixture block 8 gets into in the recess 7, and first spring 10 is compressed, thereby loses the joint relation between fixture block 8 and the draw-in groove, can pull out and place the piece 14.

A second spring 11 is installed between the placement block 14 and the pressing plate 15, and when the notebook is placed on the pressing plate 15, the second spring 11 is compressed, thereby buffering the notebook.

The third spring 12 is arranged between the groove wall of the placing groove 2 and the clamping plate 17, one surface of the guide block 18, which is close to the clamping plate 17, is of an S-shaped curved surface structure, when the placing block 14 is pulled out, the guide block 18 drives the two clamping plates 17 to be separated from each other, so that the clamping plate 17 does not squeeze and fix a notebook, and when the placing block 14 is pushed into the placing groove 2, the guide block 18 does not limit the two clamping plates 17, and therefore the third spring 12 pushes the clamping plate 17 to clamp and fix the notebook.

The supporting leg placing groove 13 is formed in the lower side of the placing block 14, the supporting leg 19 is matched with the supporting leg placing groove 13 in a rotating mode, a torsion spring is arranged between the supporting leg 19 and the supporting leg placing groove 13, and after the placing block 14 is pulled out, the torsion spring rebounds to drive the supporting leg 19 to rotate, so that the supporting leg 19 is vertically downward, and a supporting effect can be achieved on the placing block 14.

The impedance tester body 1 of the device is mainly suitable for testing low-voltage short-circuit impedance in single-phase or three-phase delivery, overhaul, pre-test and handover tests of the power transformer, and the principle is that the short-circuit impedance% test is carried out on the power transformer on site, and the short-circuit impedance% test is compared with a nameplate value or a delivery value, so that defects of winding displacement, deformation and the like caused by serious fault current and the like in transportation, installation and operation after the delivery test can be found.

Working principle: when the impedance tester body 1 is used, the clamping block 8 is slid upwards, then the placing block 14 is pulled out, and the notebook on the placing block 14 is connected with the impedance tester body 1 through the data line, so that the impedance tester body 1 can be used for measuring impedance.

Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.

Claims (7)

1. The utility model provides an impedance tester, includes impedance tester body (1), its characterized in that, offer standing groove (2) in impedance tester body (1), sliding fit has in standing groove (2) and places piece (14), place piece (14) upside elastic fit and have clamp plate (15), clamp plate (15) upside has installed slipmat (16), place piece (14) upside fixedly connected with guide block (18), elastic fit has splint (17) in standing groove (2), splint (17) are corresponding with guide block (18), the one end of placing piece (14) is fixed with apron (9), offer the draw-in groove in apron (9), elastic fit has fixture block (8) in standing groove (2), fixture block (8) are corresponding with the draw-in groove.

2. An impedance tester according to claim 1, wherein: sliding grooves (3) are formed in two sides in the placing groove (2), sliding blocks (4) are defined in two sides of the placing block (14), the sliding blocks (4) correspond to the sliding grooves (3), and limiting blocks (5) are arranged in the sliding grooves (3).

3. An impedance tester according to claim 1, wherein: the top of standing groove (2) has seted up recess (7), and recess (7) are corresponding with fixture block (8), have installed first spring (10) between cell wall and the fixture block (8) of recess (7), and fixture block (8) are L shape structure.

4. An impedance tester according to claim 1, wherein: a second spring (11) is arranged between the placing block (14) and the pressing plate (15).

5. An impedance tester according to claim 1, wherein: a third spring (12) is arranged between the groove wall of the placing groove (2) and the clamping plate (17), and one surface of the guide block (18) close to the clamping plate (17) is of an S-shaped curved surface structure.

6. An impedance tester according to claim 1, wherein: a handle (6) is arranged on one side of the cover plate (9) far away from the placing groove (2).

7. An impedance tester according to claim 1, wherein: supporting leg placing grooves (13) are formed in the lower sides of the placing blocks (14), supporting legs (19) are rotatably matched with the supporting leg placing grooves (13), and torsion springs are arranged between the supporting legs (19) and the supporting leg placing grooves (13).