CN209843412U - Non-inductive alloy resistor - Google Patents

Non-inductive alloy resistor Download PDF

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Publication number
CN209843412U
CN209843412U CN201921056663.XU CN201921056663U CN209843412U CN 209843412 U CN209843412 U CN 209843412U CN 201921056663 U CN201921056663 U CN 201921056663U CN 209843412 U CN209843412 U CN 209843412U
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China
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single piece
ceramic ring
support rod
piece
resistor
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CN201921056663.XU
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Chinese (zh)
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陆峰
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Shanghai Wenshun Electrical Appliance Co Ltd
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Shanghai Wenshun Electrical Appliance Co Ltd
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Abstract

The embodiment of the utility model discloses noninductive alloy resistor relates to resistance element technical field, and its technical scheme main points include two backup pads, connect the bracing piece between two backup pads the interval is provided with multiunit resistance unit on the bracing piece, and is insulating between the multiunit resistance unit, resistance unit includes the resistance card that a plurality of series connection set up. The device is used for solving the problems that the parasitic inductance of a resistor used in the test of the electric welding machine is large and the test requirements of a higher occasion cannot be withheld in the prior art.

Description

Non-inductive alloy resistor
Technical Field
The embodiment of the utility model provides a relate to resistive element technical field, concretely relates to noninductive alloy resistor.
Background
The load test of electric welding machine needs to use resistance load, and the characteristics of welding machine load are: the low voltage of the test voltage is generally below 40V, the test current is large, and 160-1000A is the main factor. The national standard requirement of the welding machine load is met by adopting a non-inductive resistor.
In the prior art, resistance elements such as common wire-wound resistors and spiral resistors are generally adopted for manufacturing, the design of the resistance elements is not designed according to the requirements of non-inductive resistance, the parasitic inductance of the resistance is large, and the test of occasions with high requirements cannot be met.
SUMMERY OF THE UTILITY MODEL
Therefore, the embodiment of the utility model provides a noninductive alloy resistor to solve the parasitic inductance of the resistor that uses when testing the electric welding among the prior art great, can't hide the problem of higher occasion test requirement.
In order to achieve the above object, the embodiment of the present invention provides the following technical solutions:
according to the embodiment of the utility model provides an in, disclose a noninductive alloy resistor, including two backup pads, connect the bracing piece between two backup pads the interval is provided with multiunit resistance unit on the bracing piece, and is insulating between the multiunit resistance unit, resistance unit includes the resistance card that a plurality of series connection set up.
Furthermore, the two support rods are arranged in parallel and comprise a first support rod and a second support rod, and the first support rod and the second support rod are respectively arranged at two ends of the two support plates; and two ends of the resistance card are respectively fixed on the first supporting rod and the second supporting rod.
Further, the resistor sheet comprises a first single sheet, a second single sheet and a third single sheet which are adjacently arranged; the first single piece and the second single piece are separated at one end of the first supporting rod and are electrically connected at one end of the second supporting rod; the second single piece and the third single piece are electrically connected at one end of the first supporting rod and are separated at one end of the second supporting rod; the first single sheet, the second single sheet, the third single sheet and the support rod are insulated.
Furthermore, the support rod is a threaded rod, the first support rod is in threaded connection with a plurality of upper ceramic rings, and each upper ceramic ring comprises a first upper ceramic ring, a second upper ceramic ring and a third upper ceramic ring which are adjacently arranged; the first upper ceramic ring is arranged on one side of the first single piece, which is far away from the second single piece; the second upper ceramic ring is disposed between the first monolithic piece and the second monolithic piece; the third upper ceramic ring is arranged on one side of the third single piece, which is far away from the second single piece; the first upper ceramic ring, the second upper ceramic ring and the third upper ceramic ring clamp and fix the first single chip, the second single chip and the third single chip, and the first single chip, the second single chip and the third single chip are separated from the first supporting rod; a plurality of lower ceramic rings are connected to the second supporting rod in a threaded manner, and each lower ceramic ring comprises a first lower ceramic ring, a second lower ceramic ring and a third lower ceramic ring which are arranged adjacently; the first lower ceramic ring is arranged on one side of the first single piece, which is far away from the second single piece; the second lower ceramic ring is disposed between the second monolithic piece and a third monolithic piece; the third lower ceramic ring is arranged on one side of the third single piece, which is far away from the second single piece; the first lower ceramic ring, the second lower ceramic ring and the third lower ceramic ring clamp and fix the first single piece, the second single piece and the third single piece, and the first single piece, the second single piece and the third single piece are separated from the second supporting rod.
Furthermore, the support rod is in threaded connection with a blocking ceramic ring for isolating the two adjacent groups of resistance units.
Further, the resistor discs in the resistor unit and located at the two ends are respectively a first single disc and a last single disc, and the first single disc and the last single disc are respectively provided with a connecting terminal.
Furthermore, a mounting hole is formed in the supporting plate, two ends of the supporting rod penetrate through the mounting hole, and mounting nuts are respectively in threaded connection with two sides of the supporting rod, which are located on the mounting plate.
Further, the support rod is made of a ceramic tube.
The embodiment of the utility model provides a have following advantage:
the embodiment of the utility model provides a through the resistance unit of the piece formula that sets up, including the resistance card of a plurality of series connections in each resistance unit. The traditional resistance element manufacturing mode is broken through, the chip type resistance element customized processing mode is adopted, the condition of high-current testing is met, and meanwhile, the chip type structure enables the resistor to have the characteristic of non-inductive resistance, so that the electric welding machine can be tested. Meanwhile, the multiple groups of resistance elements are in parallel connection, so that the requirements of different currents and resistance values can be met.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It should be apparent that the drawings in the following description are merely exemplary, and that other embodiments can be derived from the drawings provided by those of ordinary skill in the art without inventive effort.
The structure, ratio, size and the like shown in the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by people familiar with the technology, and are not used for limiting the limit conditions which can be implemented by the present invention, so that the present invention has no technical essential significance, and any structure modification, ratio relationship change or size adjustment should still fall within the scope which can be covered by the technical content disclosed by the present invention without affecting the efficacy and the achievable purpose of the present invention.
Fig. 1 is a schematic view of an overall structure of an alloy resistor according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a protruding support plate in a non-inductive alloy resistor according to an embodiment of the present invention;
fig. 3 is a schematic diagram of a protruding resistance unit in a non-inductive alloy resistor according to an embodiment of the present invention;
fig. 4 is a front view of a resistor unit according to an embodiment of the present invention.
In the figure: 1. a support plate; 11. mounting holes; 2. a support bar; 21. a first support bar; 22. a second support bar; 23. mounting a nut; 3. a resistance unit; 31. resistance cards; 311. a first monolithic sheet; 312. a second monolithic sheet; 313. a third monolithic sheet; 314. a first sheet; 315. tail single chip; 316. a wiring terminal; 32. mounting a ceramic ring; 321. a first upper ceramic ring; 322. a second upper ceramic ring; 323. a third upper ceramic ring; 33. a lower ceramic ring; 331. a first lower ceramic ring; 332. a second lower ceramic ring; 333. a third lower ceramic ring; 34. a blocking ceramic ring.
Detailed Description
The present invention is described in terms of specific embodiments, and other advantages and benefits of the present invention will become apparent to those skilled in the art from the following disclosure. 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.
In the present specification, the terms "upper", "lower", "left", "right", "middle", and the like are used for the sake of clarity only, and are not intended to limit the scope of the present invention, and changes or adjustments of the relative relationship thereof are also considered to be the scope of the present invention without substantial changes in the technical content.
A non-inductive alloy resistor is shown by combining figures 1 to 3 and comprises two support plates 1 and a support rod 2 connected between the two support plates 1, wherein a plurality of groups of resistance units 3 are arranged on the support rod 2 at intervals, the resistance units 3 are insulated, and each resistance unit 3 comprises a plurality of resistance sheets 31 which are connected in series. Each group of resistance units 3 forms a series resistance element, and a plurality of groups of resistance elements form a parallel resistance element, so that the requirements of different currents and resistance values can be met in use.
The two support rods 2 are arranged in parallel and comprise a first support rod 21 and a second support rod 22, the first support rod 21 and the second support rod 22 are respectively arranged at two ends of the two support plates 1, and the first support rod 21 and the second support rod 22 are respectively perpendicular to the support plates 1. And both ends of the resistive sheet 31 are fixed to the first support rod 21 and the second support rod 22, respectively.
The resistive sheet 31 includes a first monolithic sheet 311, a second monolithic sheet 312, and a third monolithic sheet 313 arranged adjacently.
The first single piece 311 and the second single piece 312 are separated, i.e. insulated, at one end of the first support rod 21 and electrically connected at one end of the second support rod 22, i.e. the series connection of the first single piece 311 and the second single piece 312 is realized. The second single piece 312 and the third single piece 313 are electrically connected at one end of the first support rod 21 and separated at one end of the second support rod 22; thereby realizing the series connection of the first monolithic piece 311, the second monolithic piece 312 and the third monolithic piece 313. The first single piece 311, the second single piece 312, the third single piece 313 and the support rod 2 are insulated from each other.
The support rod 2 is a threaded rod, a plurality of upper ceramic rings 32 are connected to the first support rod 21 in a threaded manner, and each upper ceramic ring 32 comprises a first upper ceramic ring 321, a second upper ceramic ring 322 and a third upper ceramic ring 323 which are adjacently arranged;
the first upper ceramic ring 321 is arranged on the side of the first single piece 311 away from the second single piece 312; a second upper ceramic ring 322 is disposed between the first monolithic piece 311 and the second monolithic piece 312; a third upper ceramic ring 323 is arranged on the side of the third monolithic piece 313 remote from the second monolithic piece 312; the first, second and third single pieces 311, 312 and 313 are clamped and fixed by the first, second and third upper ceramic rings 321, 322 and 323, and the first, second and third single pieces 311, 312 and 313 are separated from the first support bar 21.
A plurality of lower ceramic rings 33 are screwed on the second support rod 22, including a first lower ceramic ring 331, a second lower ceramic ring 332 and a third lower ceramic ring 333 which are adjacently arranged.
The first lower ceramic ring 331 is disposed on a side of the first monolithic piece 311 remote from the second monolithic piece 312; a second lower ceramic ring 332 is disposed between the second monolithic piece 312 and the third monolithic piece 313; a third lower ceramic ring 333 is arranged on the side of the third monolith 313 remote from the second monolith 312. The first, second, and third lower ceramic rings 331, 332, and 333 clamp and fix the first, second, and third monoliths 311, 312, and 313, and the first, second, and third monoliths 311, 312, and 313 are separated from the second support rod 22.
And a blocking ceramic ring 34 for isolating the two adjacent groups of resistance units 3 is connected to the support rod 2 in a threaded manner.
Referring to fig. 4, the resistive sheets 31 at two ends of the resistive unit 3 are a first sheet 314 and a last sheet 315, and the first sheet 314 and the last sheet 315 are provided with connection terminals 316.
The mounting hole 11 is formed in the supporting plate 1, the two ends of the supporting rod 2 penetrate through the mounting hole 11, and mounting nuts 23 are respectively connected to the two sides of the supporting rod 2, which are located on the mounting plate, in a threaded mode. The support rod 2 is made of a ceramic tube.
Although the invention has been described in detail with respect to the general description and the specific embodiments, it will be apparent to those skilled in the art that modifications and improvements can be made based on the invention. Therefore, such modifications and improvements are intended to be within the scope of the invention as claimed.

Claims (8)

1. An noninductive alloy resistor, characterized in that: including two backup pads (1), connect bracing piece (2) between two backup pads (1) interval is provided with multiunit resistance unit (3) on bracing piece (2), and is insulating between multiunit resistance unit (3), resistance unit (3) include a plurality of resistance card (31) of establishing ties and setting up.
2. The noninductive alloy resistor of claim 1, wherein: the two support rods (2) are arranged in parallel and comprise a first support rod (21) and a second support rod (22), and the first support rod (21) and the second support rod (22) are respectively arranged at two ends of the two support plates (1);
two ends of the resistor disc (31) are respectively fixed on the first support rod (21) and the second support rod (22).
3. The noninductive alloy resistor of claim 2, wherein: the resistor sheet (31) comprises a first single sheet (311), a second single sheet (312) and a third single sheet (313) which are adjacently arranged;
the first single piece (311) and the second single piece (312) are separated at one end of the first supporting rod (21) and are electrically connected at one end of the second supporting rod (22);
the second single piece (312) and the third single piece (313) are electrically connected at one end of the first supporting rod (21) and separated at one end of the second supporting rod (22);
the first single piece (311), the second single piece (312), the third single piece (313) and the support rod (2) are insulated.
4. The noninductive alloy resistor of claim 3, wherein: the supporting rod (2) is a threaded rod, a plurality of upper ceramic rings (32) are connected to the first supporting rod (21) in a threaded mode, and each upper ceramic ring (32) comprises a first upper ceramic ring (321), a second upper ceramic ring (322) and a third upper ceramic ring (323) which are arranged adjacently;
the first upper ceramic ring (321) is arranged on one side of the first single piece (311) far away from the second single piece (312);
the second upper ceramic ring (322) is arranged between the first monolithic piece (311) and the second monolithic piece (312);
the third upper ceramic ring (323) is arranged on one side of the third single piece (313) far away from the second single piece (312);
the first upper ceramic ring (321), the second upper ceramic ring (322) and the third upper ceramic ring (323) clamp and fix the first single piece (311), the second single piece (312) and the third single piece (313), and the first single piece (311), the second single piece (312) and the third single piece (313) are separated from the first support rod (21);
a plurality of lower ceramic rings (33) are connected to the second support rod (22) in a threaded manner, and each lower ceramic ring comprises a first lower ceramic ring (331), a second lower ceramic ring (332) and a third lower ceramic ring (333) which are adjacently arranged;
the first lower ceramic ring (331) is arranged on the side of the first single piece (311) far away from the second single piece (312);
the second lower ceramic ring (332) is disposed between the second monolithic piece (312) and a third monolithic piece (313);
the third lower ceramic ring (333) is arranged on one side of the third single piece (313) far away from the second single piece (312);
the first lower ceramic ring (331), the second lower ceramic ring (332) and the third lower ceramic ring (333) clamp and fix the first single piece (311), the second single piece (312) and the third single piece (313), and the first single piece (311), the second single piece (312) and the third single piece (313) are separated from the second support rod (22).
5. The noninductive alloy resistor of claim 1, wherein: and the support rod (2) is in threaded connection with a blocking ceramic ring (34) for isolating the two adjacent groups of resistance units (3).
6. The noninductive alloy resistor of claim 3, wherein: the resistor discs (31) in the resistor unit (3) and positioned at two ends are respectively a first single disc (314) and a last single disc (315), and the first single disc (314) and the last single disc (315) are respectively provided with a connecting terminal (316).
7. The noninductive alloy resistor of claim 1, wherein: mounting holes (11) are formed in the supporting plate (1), the two ends of the supporting rod (2) penetrate through the mounting holes (11), and mounting nuts (23) are respectively connected to the two sides, located on the mounting plate, of the supporting rod (2) in a threaded mode.
8. The noninductive alloy resistor of claim 1, wherein: the support rod (2) is made of a ceramic tube.
CN201921056663.XU 2019-07-08 2019-07-08 Non-inductive alloy resistor Active CN209843412U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201921056663.XU CN209843412U (en) 2019-07-08 2019-07-08 Non-inductive alloy resistor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201921056663.XU CN209843412U (en) 2019-07-08 2019-07-08 Non-inductive alloy resistor

Publications (1)

Publication Number Publication Date
CN209843412U true CN209843412U (en) 2019-12-24

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ID=68899517

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201921056663.XU Active CN209843412U (en) 2019-07-08 2019-07-08 Non-inductive alloy resistor

Country Status (1)

Country Link
CN (1) CN209843412U (en)

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