CN211653003U - Novel device for measuring self-inductance coefficient of coil - Google Patents
Novel device for measuring self-inductance coefficient of coil Download PDFInfo
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- CN211653003U CN211653003U CN202020157618.XU CN202020157618U CN211653003U CN 211653003 U CN211653003 U CN 211653003U CN 202020157618 U CN202020157618 U CN 202020157618U CN 211653003 U CN211653003 U CN 211653003U
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Abstract
The utility model discloses a novel device of measurement coil self-inductance coefficient, comprising a base plate, the top left side rigid coupling of bottom plate has the support, rheostat is installed at the top of support, rheostat includes porcelain section of thick bamboo, coil, wire, metal bar, sheetmetal, bolt and rubber pad, the bottom left and right sides of porcelain section of thick bamboo respectively with the top left and right sides looks rigid coupling of support, the outer wall winding of porcelain section of thick bamboo has the coil. The problem of unstable resistance in work is solved through the cooperation of the bolt in the resistor and the rubber pad, the change of shock resistance is prevented, the measuring structure is guaranteed, the trouble of repeated measurement is saved, the workload is reduced, the work difficulty is reduced, the problem of trouble in fixing an inductance coil is solved through a clamping mechanism, the disassembly and assembly are facilitated, the damage is avoided, the waste is prevented, the cost is reduced, meanwhile, the use is facilitated through the cooperation of the clamping mechanism and a control mechanism, the time is saved, the practicability is improved, the functions are comprehensive, and the popularization is facilitated.
Description
Technical Field
The utility model relates to a measuring coil technical field specifically is a novel device of measuring coil self-inductance coefficient.
Background
The self-inductance coefficient of the coil represents a physical quantity of self-inductance generating capacity of the coil, is generally expressed by L and is called self-inductance or inductance for short, the unit of the self-inductance coefficient is Henry, which is called Henry for short, and the symbol is H.
The self inductance coefficient needs to be used by a measuring device, but the existing measuring coil self inductance coefficient device cannot guarantee stable resistance when in use, is easy to change resistance due to vibration, influences the measuring result, needs to be measured for many times, increases the workload, improves the work difficulty, is fixed and complex, is inconvenient to disassemble and install, is easy to damage, causes waste, improves the cost, wastes time, reduces the practicability, and is not in line with the use requirements of modern people.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a novel device of measurement coil self inductance to propose current measurement coil self inductance device in solving above-mentioned background art and can't guarantee that resistance is stable when using, receive vibrations and make resistance change easily, influence measuring result, need measure many times, increased work load, improved the problem of the work degree of difficulty.
In order to achieve the above object, the utility model provides a following technical scheme: a novel device for measuring the self-inductance coefficient of a coil comprises a bottom plate, wherein a support is fixedly connected to the left side of the top of the bottom plate, and a rheostat is mounted at the top of the support;
the rheostat comprises a porcelain cylinder, a coil, a lead, a metal rod, a metal sheet, a bolt and a rubber pad;
the bottom left and right sides of porcelain section of thick bamboo respectively with the top left and right sides looks rigid coupling of support, the outer wall winding of porcelain section of thick bamboo has the coil, the left and right sides of coil all links to each other with the inboard electrical property of wire, the top left and right sides of porcelain section of thick bamboo all with the bottom left and right sides looks rigid coupling of metal rod, the outer wall of metal rod and the inner wall slip joint of sheetmetal, the inner wall top of sheetmetal and the top outer wall threaded connection of bolt, the bottom of bolt and the top looks rigid coupling of rubber pad, the bottom of rubber pad offsets tightly with the top of metal rod.
Preferably, the bolt and the rubber pad form a fixing mechanism.
Preferably, a square frame is fixedly connected to the right side of the top of the bottom plate, short plates are fixedly connected to the upper portions of the left side and the right side of the top of the square frame, and clamping mechanisms are mounted on the front faces of the two short plates;
the clamping mechanism comprises an inclined plate, a rubber block, a sliding chute, a round ball, a straight rod, a round plate and a spring;
the inside of swash plate rotates with the front of short slab and links to each other, the right side top of swash plate and the left side looks rigid coupling of block rubber, the processing of the front below of swash plate has the spout, the inner wall of spout and the outer wall slip joint of ball, the right side of ball and the left side looks rigid coupling of straight-bar, the outer wall of straight-bar and the left side clearance fit of square frame, the front bottom of swash plate and the rear end face looks rigid coupling of plectane, the outer wall of plectane and the left side looks rigid coupling of spring, the right side of spring and the left side looks rigid coupling of square frame.
Preferably, the sliding groove and the round ball form a sliding mechanism.
Preferably, a control mechanism is installed inside the square frame;
the control mechanism comprises a threaded rod, a handle and a convex block;
the outer wall of the threaded rod is in threaded connection with the right side of the bottom plate, the bottom of the threaded rod is fixedly connected with the top of the handle, the top of the threaded rod is fixedly connected with the bottom of the bump, and the left side of the bump is attached to the right side of the straight rod.
Preferably, the left end and the right end of the bottom plate are fixedly connected with a base.
Compared with the prior art, the beneficial effects of the utility model are that: the novel device for measuring the self-inductance coefficient of the coil is scientific and reasonable in structure and safe and convenient to use.
The problem of unstable resistance in work is solved through the cooperation of the bolt in the resistor and the rubber pad, and the resistance change caused by vibration is prevented, so that the measuring structure is ensured, the trouble of repeated measurement is eliminated, the workload is reduced, and the work difficulty is reduced.
The problem that the inductance coil is fixed inconveniently is solved through the clamping mechanism, disassembly and assembly are facilitated, damage is avoided, waste is prevented, and cost is reduced.
Meanwhile, the clamping mechanism is matched with the control mechanism, so that the use is facilitated, the time is saved, the practicability is improved, the functions are comprehensive, and the popularization is facilitated.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view showing the connection relationship between the metal bar, the metal sheet and the bolt in FIG. 1;
FIG. 3 is a schematic view of the connection relationship between the sloping plate, the rubber block and the short plate in FIG. 1;
fig. 4 is a schematic view of the connection structure of the sloping plate, the sliding groove and the round ball in fig. 1.
In the figure: 1. the device comprises a bottom plate, 2, a rheostat, 201, a porcelain cylinder, 202, a coil, 203, a wire, 204, a metal rod, 205, a metal sheet, 206, a bolt, 207, a rubber pad, 3, a clamping mechanism, 301, an inclined plate, 302, a rubber block, 303, a sliding groove, 304, a ball, 305, a straight rod, 306, a round plate, 307, a spring, 4, a control mechanism, 401, a threaded rod, 402, a handle, 403, a bump, 5, a support, 6, a square frame, 7, a short plate, 8 and a base.
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 only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-4, the present invention provides a technical solution: a novel device for measuring the self-inductance coefficient of a coil comprises a bottom plate 1, a bracket 5 is fixedly connected to the left side of the top of the bottom plate 1, a rheostat 2 is mounted at the top of the bracket 5, the rheostat 2 comprises a ceramic cylinder 201, a coil 202, a lead 203, a metal rod 204, a metal sheet 205, a bolt 206 and a rubber pad 207, the left side and the right side of the bottom of the ceramic cylinder 201 are fixedly connected with the left side and the right side of the top of the bracket 5 respectively, the coil 202 is wound on the outer wall of the ceramic cylinder 201, the left side and the right side of the coil 202 are electrically connected with the inner side of the lead 203, the two leads 203 are connected with an external ammeter and an inductance coil respectively, the left side and the right side of the top of the ceramic cylinder 201 are fixedly connected with the left side and the right side of the bottom of the metal rod 204, the outer wall of the metal rod 204 is in sliding clamping connection with, the bottom of the bolt 206 is fixedly connected with the top of the rubber pad 207, and the bottom of the rubber pad 207 is tightly abutted with the top of the metal rod 204.
The bolt 206 and the rubber pad 207 form a fixing mechanism, the bolt 206 rotates downwards to enable the rubber pad 207 to abut against the metal rod 204 tightly, and further fixing is achieved, the square frame 6 is fixedly connected to the right side of the top of the bottom plate 1, the short plates 7 are fixedly connected to the upper portions of the left side and the right side of the top of the square frame 6, the clamping mechanisms 3 are mounted on the front faces of the two short plates 7, each clamping mechanism 3 comprises an inclined plate 301, a rubber block 302, a sliding groove 303, a round ball 304, a straight rod 305, a circular plate 306 and a spring 307, the inner portion of the inclined plate 301 is rotatably connected with the front face of the short plate 7, the inclined plate 301 rotates under force through a pin shaft on the front face of the short plate 7, the top portion of the right side of the inclined plate 301 is fixedly connected with the left side of the rubber block 302, the sliding groove 303 is machined below the front face of the inclined plate 301, the inner wall of the sliding groove 303 is slidably clamped with the outer wall of the round, the straight rod 305 is stressed to move left and right through the square frame 6, the bottom of the front face of the inclined plate 301 is fixedly connected with the rear end face of the circular plate 306, the outer wall of the circular plate 306 is fixedly connected with the left side of the spring 307, the inclined plate 301 is stressed to rotate and then rebounds through the spring 307, the right side of the spring 307 is fixedly connected with the left side of the square frame 6, the sliding groove 303 and the round ball 304 form a sliding mechanism, the round ball 304 is stressed to slide up and down through the inner wall of the sliding groove 303, the control mechanism 4 is installed inside the square frame 6, the control mechanism, handle 402 and lug 403, the outer wall of threaded rod 401 and the right side threaded connection of bottom plate 1, the bottom of threaded rod 401 and the top looks rigid coupling of handle 402, handle 402 conveniently rotates threaded rod 401, the top of threaded rod 401 and the bottom rigid coupling of lug 403, the left side of lug 403 and the right side of straight-bar 305 are laminated mutually, both ends all rigid coupling have base 8 about the bottom of bottom plate 1.
In this example, when using the device, an inductance coil is now placed on the top of the square frame 6, then the handle 402 is rotated to further drive the threaded rod 401 to rotate upwards through the bottom plate 1, thereby driving the projection 403 to move upwards, the moving projection 403 causes the straight rods 305 on both sides to move towards both sides through the square frame 6, and further causes the round balls 304 to slide upwards on the inner wall of the sliding grooves 303, thereby driving the inclined plate 301 to rotate towards both sides through the pin on the front surface of the short plate 7, the rotating inclined plate 301 clamps the inductance coil on the top of the square frame 6 through the rubber block 302 on the top, then the lead 203 on the right side is electrically connected with the inductance coil, the inductance coil is communicated with an external power supply, then the lead 203 on the left side is communicated with an external ammeter, then the bolt 206 is rotated upwards, the rubber pad 207 is separated from the metal rod 204, then the metal sheet 205 is moved left and right through the metal rod, after the resistance is adjusted, the bolt 206 is screwed back, and the rubber pad 207 is abutted against the metal rod 204, so that the metal sheet 205 is fixed, and the stability in the work is ensured.
In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "disposed," "connected," "fixed," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.
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 invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. A novel device for measuring the self-inductance coefficient of a coil comprises a bottom plate (1) and is characterized in that: a support (5) is fixedly connected to the left side of the top of the bottom plate (1), and a rheostat (2) is mounted at the top of the support (5);
the rheostat (2) comprises a porcelain cylinder (201), a coil (202), a wire (203), a metal rod (204), a metal sheet (205), a bolt (206) and a rubber pad (207);
the bottom left and right sides of porcelain section of thick bamboo (201) respectively with the top left and right sides looks rigid coupling of support (5), the outer wall winding of porcelain section of thick bamboo (201) has coil (202), the left and right sides of coil (202) all links to each other with the inboard electrical property of wire (203), the top left and right sides of porcelain section of thick bamboo (201) all with the bottom left and right sides looks rigid coupling of metal rod (204), the outer wall of metal rod (204) and the inner wall slip joint of sheetmetal (205), the inner wall top of sheetmetal (205) and the top outer wall threaded connection of bolt (206), the bottom of bolt (206) and the top looks rigid coupling of rubber pad (207), the bottom of rubber pad (207) offsets tightly with the top of metal rod (204).
2. The novel device for measuring the self-inductance coefficient of the coil as claimed in claim 1, wherein: the bolt (206) and the rubber pad (207) form a fixing mechanism.
3. The novel device for measuring the self-inductance coefficient of the coil as claimed in claim 1, wherein: a square frame (6) is fixedly connected to the right side of the top of the bottom plate (1), short plates (7) are fixedly connected to the upper portions of the left side and the right side of the top of the square frame (6), and clamping mechanisms (3) are mounted on the front faces of the two short plates (7);
the clamping mechanism (3) comprises an inclined plate (301), a rubber block (302), a sliding groove (303), a round ball (304), a straight rod (305), a round plate (306) and a spring (307);
the inside of swash plate (301) rotates with the front of short slab (7) and links to each other, the right side top of swash plate (301) and the left side looks rigid coupling of rubber block (302), the processing of the front below of swash plate (301) has spout (303), the inner wall of spout (303) and the outer wall slip joint of ball (304), the right side of ball (304) and the left side looks rigid coupling of straight-bar (305), the outer wall of straight-bar (305) and the left side clearance fit of square frame (6), the front bottom of swash plate (301) and the rear end face looks rigid coupling of plectane (306), the outer wall of plectane (306) and the left side looks rigid coupling of spring (307), the right side of spring (307) and the left side looks rigid coupling of square frame (6).
4. The novel device for measuring the self-inductance coefficient of a coil according to claim 3, characterized in that: the sliding groove (303) and the round ball (304) form a sliding mechanism.
5. The novel device for measuring the self-inductance coefficient of a coil according to claim 3, characterized in that: a control mechanism (4) is arranged in the square frame (6);
the control mechanism (4) comprises a threaded rod (401), a handle (402) and a lug (403);
the outer wall of the threaded rod (401) is in threaded connection with the right side of the bottom plate (1), the bottom of the threaded rod (401) is fixedly connected with the top of the handle (402), the top of the threaded rod (401) is fixedly connected with the bottom of the convex block (403), and the left side of the convex block (403) is attached to the right side of the straight rod (305).
6. The novel device for measuring the self-inductance coefficient of the coil as claimed in claim 1, wherein: the base (8) is fixedly connected to the left end and the right end of the bottom plate (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020157618.XU CN211653003U (en) | 2020-01-21 | 2020-01-21 | Novel device for measuring self-inductance coefficient of coil |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020157618.XU CN211653003U (en) | 2020-01-21 | 2020-01-21 | Novel device for measuring self-inductance coefficient of coil |
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| CN211653003U true CN211653003U (en) | 2020-10-09 |
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| CN202020157618.XU Active CN211653003U (en) | 2020-01-21 | 2020-01-21 | Novel device for measuring self-inductance coefficient of coil |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113517158A (en) * | 2021-07-13 | 2021-10-19 | 西安交通大学 | Flexible electromagnetic repulsion coil with embedded buffer structure |
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2020
- 2020-01-21 CN CN202020157618.XU patent/CN211653003U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113517158A (en) * | 2021-07-13 | 2021-10-19 | 西安交通大学 | Flexible electromagnetic repulsion coil with embedded buffer structure |
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