Novel mutual inductor volt-ampere characteristic tester

Abstract

The utility model relates to the technical field of electrical measurement, and discloses a novel mutual inductor volt-ampere characteristic tester which comprises a tester body, a fixed base is arranged on the side surface of the tester body, and the upper side and the lower side of the two ends of the fixed base extend outwards and are provided with bolt insertion holes. And the outer surface of the tester body is provided with a screw hole corresponding to the size of the interior of the bolt insertion hole, and the limiting lantern ring of which the position can be adjusted is arranged, so that the tail end of a wire is clamped in wire clamping grooves formed in the upper side and the lower side of the limiting lantern ring in the middle of the winding column after the wire is wound; the head end and the tail end of the wire are fixed through the three limiting lantern rings, the head end and the tail end of the wire can be limited after the wire is wound, then the sealing baffles are inserted into the two corresponding limiting clamping grooves to seal the opening of the storage box, the arranged limiting lantern rings can prevent the two ends of the wire from loosening after the wire is wound, and a good fixing effect can be achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to electrical measurement technical field especially relates to a novel mutual inductor volt-ampere characteristic tester. BACKGROUND

[0002] Volt-ampere characteristic refers to the relationship between voltage and current through electrical equipment or element, and volt-ampere characteristic curve is often used to study the change rule of conductor resistance, is one of the commonly used image methods in physics, the existing tester needs to use more wires to connect testing device and tester when using, too many wires are placed and are easy to be entangled with each other and affect use, and the wires are externally placed and lack storage when the device is not used, so a novel mutual inductor volt-ampere characteristic tester is provided. UTILITY MODEL CONTENT

[0003] The utility model mainly solves the technical problem existing in the prior art, and provides a novel mutual inductor volt-ampere characteristic tester.

[0004] In order to achieve the above object, the utility model adopts the following technical scheme, including tester body, the side surface of tester body is provided with fixed base, the both ends of fixed base extend outward and are provided with bolt insertion hole on the upper and lower sides, the outer surface of tester body is provided with screw hole corresponding to the size of the inside of bolt insertion hole, the fixed base is fixedly installed on the outer surface of tester body through bolt, the outside of fixed base is connected and installed with storage box, the inside of storage box is hollow structure and is used for storing cable, the opening part of storage box is provided with limit clamping groove on the upper and lower sides, the closed baffle is clamped between the two limit clamping grooves, the upper and lower side surfaces of closed baffle are all convex structures and correspond to the size of the inside of limit clamping groove, the upper and lower side surfaces of closed baffle are all provided with antiskid layer, the inside of one end of closed baffle corresponding storage box is provided with opening for hand to pass through.

[0005] Further, mounting insertion holes are formed on the left and right side surfaces of the storage box, a winding column is inserted and mounted between the two mounting insertion holes, and a threaded column is formed at the front end of the winding column for sleeving a fixed nut.

[0006] Further, an adjusting turntable is fixedly installed at the right end of the winding column, a free-rotating stand is installed on the surface of the adjusting turntable, and positioning insertion holes are arranged at equal intervals on the surface of the winding column.

[0007] Further, a limiting sleeve ring is clamped to the outside of the positioning insertion hole, the limiting sleeve ring is a half-ring structure and is adapted to the outside of the winding column, and horizontal plates are fixedly installed at the upper and lower ends of the limiting sleeve ring.

[0008] Further, the surface of the limiting sleeve ring is provided with a locking hole corresponding in size to the positioning hole, a positioning bolt is inserted and mounted in the locking hole, and the limiting sleeve ring is clamped on the outside of the winding column and locked in position by the positioning bolt.

[0009] Further, the upper and lower end horizontal plates of the limiting sleeve ring are each provided with equidistantly arranged wire clamping grooves, and the limiting sleeve ring is clamped on the outside of the positioning hole and clamps the front end of the wire through the wire clamping grooves.

[0010] The novel mutual inductor volt-ampere characteristic tester has the following beneficial effects:

[0011] 1. A novel mutual inductor volt-ampere characteristic tester, by providing a storage box for storing wires, the storage box is installed on the side of the tester body through the fixed base and fixed, then the winding column is inserted between the two mounting holes, and the nut is sleeved on the threaded end of the winding column, the front end of the winding column is connected with the adjusting turntable, and the whole winding column is limited to be installed in the inside of the storage box, the limiting sleeve ring is attached to the surface of the winding column, the positioning bolt is inserted into the positioning hole through the wire clamping groove, and the wire is clamped in the wire clamping groove, then the wire is wound on the surface of the winding column, the device can store the external wire when it is idle, reduces the mutual entanglement of the external wire, and has good protection effect.

[0012] 2. A novel mutual inductor volt-ampere characteristic tester, by providing a limiting sleeve ring that can adjust the position, when winding the wire, the position of the limiting sleeve ring is controlled, the front end of the wire is clamped in the wire clamping groove, and the wire is wound, when the winding of the wire is completed, the end of the wire is clamped in the wire clamping groove on the upper and lower sides of the limiting sleeve ring in the middle of the winding column, the first and last ends of the wire are fixed by the three limiting sleeve rings, the first and last ends of the wire can be limited after the winding of the wire is completed, then the closing baffle is inserted into the inside of the two limiting clamping grooves to close the opening of the storage box, and the limiting sleeve ring can avoid loosening of the two ends of the wire after winding, and has good fixing effect. BRIEF DESCRIPTION OF DRAWINGS

[0013] The structures, proportions, sizes and the like shown in the specification are only used to cooperate with the content disclosed in the specification, to be understood and read by those skilled in the art, and do not have technical substantial significance to limit the implementation conditions of the utility model.

[0014] Fig. 1 It is a whole schematic view of the device;

[0015] Fig. 2 It is a schematic view of the internal structure of the storage box;

[0016] Fig. 3 This is a schematic diagram of the winding column installation.

[0017] Legend:

[0018] 1. Tester body; 2. Fixed base; 3. Storage box; 4. Enclosed baffle; 5. Adjustment turntable; 6. Mounting socket; 7. Limiting slot; 8. Bolt socket; 9. Rewinding column; 10. Positioning socket; 11. Restricting collar; 12. Locking socket; 13. Wire clamping groove; 14. Positioning bolt. Detailed Implementation

[0019] A new type of instrument for testing the volt-ampere characteristics of current transformers, such as Figs. 1 to 3 As shown, the device includes a tester body 1. A fixed base 2 is provided on the side surface of the tester body 1. The fixed base 2 extends outward from both ends and has bolt holes 8. The outer surface of the tester body 1 has screw holes corresponding to the size of the bolt holes 8. The fixed base 2 is fixedly installed on the outer surface of the tester body 1 by bolts. A storage box 3 is connected to the outside of the fixed base 2. The inside of the storage box 3 is a hollow structure for storing cables. The upper and lower sides of the opening of the storage box 3 have limit slots 7. A closing baffle 4 is fitted between the two limit slots 7. The upper and lower surfaces of the closing baffle 4 are protruding structures corresponding to the size of the limit slots 7. The upper and lower surfaces of the closing baffle 4 are provided with anti-slip layers. The closing baffle 4 has an opening at one end of the storage box 3 for a hand to pass through.

[0020] The storage box 3 has mounting holes 6 on both sides. A winding post 9 is inserted between the two mounting holes 6. The front end of the winding post 9 has a threaded post for fitting a fixing nut. After the winding post 9 is passed between the two mounting holes 6, it is locked by fitting the nut to the front end of the winding post 9. An adjusting turntable 5 is fixedly installed on the right end of the winding post 9. A freely rotating column is installed on the surface of the adjusting turntable 5. The column pulls the adjusting turntable 5 to rotate, which drives the winding post 9 to rotate synchronously.

[0021] The surface of the retractor 9 is provided with equidistantly arranged positioning holes 10. A limiting collar 11 is snapped onto the outside of the positioning holes 10. The limiting collar 11 is a semi-ring structure that fits the outside of the retractor 9. Horizontal plates are fixed at both the upper and lower ends of the limiting collar 11. The surface of the limiting collar 11 is provided with locking holes 12 that correspond to the size of the positioning holes 10. A positioning bolt 14 is inserted into the locking hole 12. After the limiting collar 11 is snapped onto the outside of the retractor 9, its position is locked by the positioning bolt 14.

[0022] The upper and lower ends of the limiting collar 11 are internally provided with equally spaced wire clamping grooves 13, and the front end of the wire is clamped into the wire clamping groove 13 after the limiting collar 11 is sleeved on the outside of the positioning hole 10 and locked, and then the excess wire is reeled into the inside of the storage box 3 through the rotation of the adjusting turntable 5 to drive the reeling column 9 to be reeled, so as to be stored.

[0023] The working principle of the utility model is as follows:

[0024] The reeling column 9 is inserted between the two mounting holes 6, and then the screw cap is sleeved on the threaded end of the reeling column 9, the front end of the reeling column 9 is connected with the adjusting turntable 5, and the whole reeling column 9 is limited to be installed in the inside of the storage box 3, the limiting collar 11 is attached to the surface of the reeling column 9, the positioning bolt 14 is inserted into the positioning hole 10 through the wire clamping groove 13, and then the front end of the wire is clamped into the inside of the wire clamping groove 13, and then the wire is reeled on the surface of the reeling column 9 through the column outside the adjusting turntable 5 to rotate the adjusting turntable 5, so as to be stored, and the device can store the external wire when it is idle, reduces the mutual entanglement of the external wire, and has good protection effect.

[0025] The limiting collar 11 can adjust the position, the position of the limiting collar 11 is controlled when the wire is reeled, the front end of the wire is clamped into the inside of the wire clamping groove 13, and then the wire is reeled, and when the wire is reeled, the end of the wire is clamped in the wire clamping groove 13 on the upper and lower sides of the limiting collar 11 in the middle of the reeling column 9, the first and last ends of the wire are fixed through the three limiting collars 11, the first and last ends of the wire can be limited after the wire is reeled, and then the closing baffle 4 is inserted into the inside of the corresponding two limiting clamping grooves 7 to close the opening of the storage box 3, and the limiting collar 11 can avoid the loosening of the two ends of the wire after the wire is reeled, and has good fixing effect.

[0026] The basic principle and main features of the utility model and the advantages of the utility model are shown and described above. It should be understood by those skilled in the art that the utility model is not limited by the above examples, and the above examples and descriptions in the specification are only to illustrate the principle of the utility model, and various changes and improvements can be made without departing from the spirit and scope of the utility model, and these changes and improvements all fall within the scope of the utility model claimed.

Claims

1. A novel mutual inductor volt-ampere characteristic tester, comprising a tester body (1), the lateral surface of the tester body (1) is provided with a fixed base (2), characterized in that: The both ends of the fixed base (2) extend outward and are provided with bolt insertion holes (8), the outer surface of the tester body (1) is provided with screw holes corresponding in size to the inside of the bolt insertion holes (8), the fixed base (2) is fixedly installed on the outer surface of the tester body (1) through bolts, the outer part of the fixed base (2) is connected and installed with a storage box (3), the inside of the storage box (3) is a hollow structure for storing cables, the opening part of the storage box (3) is provided with limiting clamping grooves (7) on the upper and lower sides, a closing baffle (4) is clamped between the two limiting clamping grooves (7), the upper and lower surfaces of the closing baffle (4) are convex structures corresponding in size to the inside of the limiting clamping grooves (7), the upper and lower surfaces of the closing baffle (4) are provided with anti-skid layers, and the inside of one end of the closing baffle (4) corresponding to the storage box (3) is provided with an opening for the hand to pass through.

2. The novel mutual inductor volt-ampere characteristic tester according to claim 1, characterized in that: Mounting insertion holes (6) are formed on the left and right surfaces of the storage box (3), a winding column (9) is inserted and mounted between the two mounting insertion holes (6), and a threaded column is formed at the front end of the winding column (9) for sleeving a fixed nut.

3. The novel mutual inductor volt-ampere characteristic tester according to claim 2, characterized in that: An adjusting turntable (5) is fixedly installed at the right end of the winding column (9), a free-rotating stand is installed on the surface of the adjusting turntable (5), and equidistantly-arranged positioning insertion holes (10) are formed on the surface of the winding column (9).

4. The novel mutual inductor volt-ampere characteristic tester according to claim 3, characterized in that: A limiting sleeve ring (11) is clamped outside the positioning insertion hole (10), the limiting sleeve ring (11) is a half-ring structure and is matched with the outside of the winding column (9), and horizontal plates are fixedly arranged at the upper and lower ends of the limiting sleeve ring (11).

5. The novel mutual inductor volt-ampere characteristic tester according to claim 4, characterized in that: A locking insertion hole (12) corresponding in size to the positioning insertion hole (10) is formed on the surface of the limiting sleeve ring (11), a positioning bolt (14) is inserted and mounted in the inside of the locking insertion hole (12), and the limiting sleeve ring (11) is clamped outside the winding column (9) and is locked in position through the positioning bolt (14).

6. The novel mutual inductor volt-ampere characteristic tester according to claim 4, characterized in that: Equidistantly-arranged wire clamping grooves (13) are formed in the inside of the horizontal plates at the upper and lower ends of the limiting sleeve ring (11), and the wire clamping grooves (13) are used for clamping the front end of the wire when the limiting sleeve ring (11) is sleeved outside the positioning insertion hole (10).

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