CN112038024A - Double-resistor-core resistor - Google Patents
Double-resistor-core resistor Download PDFInfo
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- CN112038024A CN112038024A CN202010872128.2A CN202010872128A CN112038024A CN 112038024 A CN112038024 A CN 112038024A CN 202010872128 A CN202010872128 A CN 202010872128A CN 112038024 A CN112038024 A CN 112038024A
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01C—RESISTORS
- H01C1/00—Details
- H01C1/08—Cooling, heating or ventilating arrangements
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01C—RESISTORS
- H01C1/00—Details
- H01C1/01—Mounting; Supporting
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01C—RESISTORS
- H01C1/00—Details
- H01C1/02—Housing; Enclosing; Embedding; Filling the housing or enclosure
- H01C1/032—Housing; Enclosing; Embedding; Filling the housing or enclosure plural layers surrounding the resistive element
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01C—RESISTORS
- H01C1/00—Details
- H01C1/14—Terminals or tapping points or electrodes specially adapted for resistors; Arrangements of terminals or tapping points or electrodes on resistors
- H01C1/144—Terminals or tapping points or electrodes specially adapted for resistors; Arrangements of terminals or tapping points or electrodes on resistors the terminals or tapping points being welded or soldered
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01C—RESISTORS
- H01C1/00—Details
- H01C1/16—Resistor networks not otherwise provided for
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01C—RESISTORS
- H01C13/00—Resistors not provided for elsewhere
- H01C13/02—Structural combinations of resistors
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Abstract
The invention discloses a double-resistor-core resistor, which structurally comprises an electric inlet terminal, a double-resistor-core resistor device, a heat guide support, an electric outlet terminal and a welding seat, and has the following effects: two core resistance device top central point puts and is equipped with the electricity inlet terminal, two core resistance device bottom central point puts and is equipped with the electricity outlet terminal, two core resistance device locates hot guide support top and the two cooperatees, under metal and pottery and the cooperation of two resistance core structure, can make the heat effluvium rapidly, and can strengthen porcelainous intensity, and can switch over the use between two core resistance and single core resistance, be favorable to improving the resistor utilization ratio, and under the crashproof structure effect of formation, can play the guard action when the resistor falls and assaults, be favorable to prolonging the life of resistor.
Description
Technical Field
The invention relates to the field of electronic elements, in particular to a double-resistor-core resistor.
Background
The resistance of the resistor is fixed, generally two pins, can limit the current passing through a branch connected with the resistor, the resistor is called a fixed resistor, the resistance is variable and called a potentiometer or a variable resistor, the main physical characteristic of the resistor is that the electric energy is changed into heat energy, also called an energy dissipation element, the current passes through the resistor to generate internal energy, the resistor is easy to generate a large amount of heat in the using process, the heat dissipation is not good, and the danger is easy to appear, the traditional ceramic resistor is formed by winding a resistor wire on an alkali-free heat-resistant porcelain piece, adding heat-resistant, moisture-resistant and corrosion-resistant materials to protect and fix the resistor wire, putting the resistor wire into a square porcelain frame, filling and sealing by using special non-combustible heat-resistant cement, the heat generation is high, the heat dissipation is easy, the stability which often cannot meet the using requirements is not good, the temperature reduction of the resistor is, the resistor is easy to break when colliding, impacting and falling, so that the problem that the ceramic resistor is high in heat generation amount and easy to disperse in use, precision cannot meet the use requirement is solved, the resistor is not beneficial to cooling, the structural hardness is poor, and the resistor is easy to break when colliding, impacting and falling.
Summary of the invention
Aiming at the defects of the prior art, the invention is realized by the following technical scheme: the utility model provides a two resistance core resistors, its structure is including advancing electric terminal, two resistance core devices, heat guide support, play electric terminal, welding seat, two resistance core devices top central point put and be equipped with into the electric terminal, two resistance core devices bottom central point put and be equipped with out the electric terminal, play electric terminal and advance electric terminal bottom all be equipped with the welding seat, the welding seat be equipped with two and respectively with go out electric terminal and advance electric terminal and weld, go out electric terminal and advance electric terminal and install at two resistance core devices through the welding seat, play electric terminal below be equipped with heat guide support, heat guide support install in two resistance core devices bottom.
As a further optimization of this technical scheme, two core resistance device including advancing electric welding rod, resistance structure, outer porcelain shell, heat dissipation side seat, go out electric welding rod, interior porcelain frame, outer porcelain shell both sides be equipped with heat dissipation side seat, heat dissipation side seat and outer porcelain shell looks block, the inside central point of outer porcelain shell put and be equipped with interior porcelain frame, interior porcelain frame top be equipped with into electric welding rod, advance electric welding rod install perpendicularly on advancing electric welding rod, interior porcelain frame bottom be equipped with out electric welding rod, play electric welding rod install perpendicularly on advancing electric welding rod, interior porcelain frame both sides all be equipped with resistance structure, resistance structure install inside outer porcelain shell to with advance electric welding rod and go out electric welding rod and be connected.
As the further optimization of this technical scheme, resistance structure including alloy aluminum cover, porcelain core, connection porcelain rod, resistance coil, electrically conductive weld holder, the inside central point of alloy aluminum cover put and be equipped with the porcelain core, porcelain core front end all be equipped with electrically conductive weld holder, porcelain core outer lane on be equipped with resistance coil, resistance coil and porcelain core fixed connection, resistance coil and electrically conductive weld holder be connected, porcelain core both sides range and have the connection porcelain rod, alloy aluminum cover be connected with the porcelain core through connecting the porcelain rod.
As the further optimization of the technical scheme, the heat dissipation side seat comprises a heat dissipation sheet, an inner concave cavity, a porcelain seat, a ventilation side opening and an air vent, the porcelain seat and an outer porcelain shell are of an integrated structure, the porcelain seat one side is provided with the inner concave cavity, the inner concave cavity and the porcelain seat are of an integrated structure, the heat dissipation sheet is arranged inside the inner concave cavity, the heat dissipation sheet is fixed inside the inner concave cavity, the outer ring of the porcelain seat is provided with the ventilation side opening, the ventilation side opening and the porcelain seat are of an integrated structure, the ventilation side opening is uniformly distributed with the air vent, the air vent and the porcelain seat are of an integrated structure, and the ventilation side opening is connected with the inner concave cavity through the air vent.
As a further optimization of the technical scheme, the heat guide support comprises an underframe, a connecting side frame, an alloy aluminum rod, an anti-collision side frame and an alloy aluminum ring, the connecting side frame is arranged at the top of the underframe and welded with the underframe, the alloy aluminum ring is arranged at the top of the connecting side frame and fixedly connected with the connecting side frame, the alloy aluminum rod is arranged on an inner ring of the alloy aluminum ring, the alloy aluminum rod and the alloy aluminum ring are welded with each other, the anti-collision side frames are arranged on two sides of the underframe, and the anti-collision side frames are welded and fixed on the underframe.
As a further optimization of the technical scheme, the anti-collision side frame comprises an outer hard rubber ring, a spring, a rubber column, an inner soft rubber ring and a rubber cross bar, wherein the rubber cross bar is distributed on the inner soft rubber ring, the rubber cross bar is fixedly connected with the inner soft rubber ring, the outer hard rubber ring is arranged on the outer ring of the inner soft rubber ring, the rubber column is arranged between the outer hard rubber ring and the inner soft rubber ring in the circumferential direction, the rubber column is obliquely arranged between the outer hard rubber ring and the inner soft rubber ring, the springs are arranged on two sides of the rubber column, and two ends of the springs are respectively connected with the outer hard rubber ring and the inner soft rubber ring.
As a further optimization of the technical scheme, the electric welding rod inlet and the electric welding rod outlet are formed by movably connecting and embedding two backing plates.
As a further optimization of the technical scheme, the alloy aluminum cover is of a hollow cylindrical structure, and one end of the alloy aluminum cover is of a semi-spherical structure.
As a further optimization of the technical scheme, the alloy aluminum ring is arranged on the outer ceramic shell outer ring and is connected with the alloy aluminum cover through the alloy aluminum rod.
Advantageous effects
The double-resistor-core resistor is reasonable in design and strong in functionality, and has the following beneficial effects:
the dual-core resistor device is arranged at the top of the heat guide support and matched with the heat guide support, so that heat can be rapidly dissipated under the matching of metal, ceramic and a dual-resistor core structure, the strength of the ceramic can be enhanced, the dual-core resistor and the single-core resistor can be switched for use, the utilization rate of the resistor can be improved, the resistor can be protected when the resistor is dropped and impacted under the action of a formed anti-collision structure, and the service life of the resistor can be prolonged;
the alloy aluminum cover is arranged in the outer ceramic shell, the alloy aluminum cover is connected with the ceramic core through the arranged connecting ceramic rods, the ceramic base is connected with the outer ceramic shell, the ventilation side port is connected with the inner concave cavity through the ventilation hole, the alloy aluminum ring is fixed on the connecting side frame and penetrates through the outer ceramic shell through the alloy aluminum rod to be connected with the alloy aluminum cover, the resistance coil can generate higher heat in the power-on process, the generated heat can be efficiently guided to the outside from the inside of the outer ceramic shell to carry out heat extraction work through the formed heat conduction structure, and under the connection of a metal component and the ceramic structure, the strength and hardness of ceramic can be improved, and the heat dissipation efficiency of the resistor in the operation process can be increased;
the structure of the radiating fin, the inner concave cavity, the ceramic base, the ventilating side port and the vent hole is arranged, partial heat generated by the resistor can be concentrated in the inner concave cavity, air can enter the inner concave cavity from outside to inside under the connecting action of the inner concave cavity, the air can flow out from the opening of the inner concave cavity, the air can be fully absorbed and guided under the guiding heat absorption action of the radiating fin, moisture contained in the air cannot be easily evaporated, the heat absorption efficiency of the radiating fin is improved, the electric welding rod and the electric welding rod are formed by movably connecting and embedding two base plates, only one of two resistance structures arranged when one base plate is synchronously dismounted can play a role in limiting the current, the electric welding rod can be randomly switched between a double-core resistor and a single-core resistor, and the utilization rate of the resistor is favorably improved;
the inner soft rubber ring is arranged on the outer ring of the porcelain base and connected with the porcelain base through the rubber transverse strips, the rubber columns are obliquely arranged between the inner soft rubber ring and the inner soft rubber ring from top to bottom, springs are arranged on two sides of each rubber column in parallel, the rubber transverse strips are arranged on the outer wall of the outer porcelain shell at intervals, one end of the resistor usually lands firstly in the falling impact process, and the acting force formed in impact can be buffered through the structural arrangement of the outer hard rubber ring, the springs and the rubber columns when the resistor falls, so that the resistor can be protected.
Drawings
Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:
FIG. 1 is a schematic diagram of a front view of a dual resistor core resistor according to the present invention;
FIG. 2 is a schematic cross-sectional front view of a dual-core resistor device according to the present invention;
FIG. 3 is a schematic diagram of a cross-sectional front view of a resistor structure according to the present invention;
FIG. 4 is a schematic front sectional view of the heat dissipating side seat according to the present invention;
FIG. 5 is a cross-sectional front view of a heat directing mount of the present invention;
fig. 6 is a schematic front view of the anti-collision side frame according to the present invention.
In the figure: an electric inlet terminal-1, a double-core resistance device-2, an electric inlet welding rod-21, a resistance structure-22, an alloy aluminum cover-22 a, a ceramic core-22 b, a connecting ceramic rod-22 c, a resistance coil-22 d, a conductive welding frame-22 e, an outer ceramic shell-23, a heat dissipation side seat-24, a heat dissipation fin-24 a, an inner concave cavity-24 b, a ceramic seat-24 c, a ventilation side port-24 d, a ventilation hole-24 e, an electric outlet welding rod-25, an inner ceramic frame-26, a heat guide support-3, a bottom frame-31, a connecting side frame-32, an alloy aluminum rod-33, an anti-collision side frame-34, an outer hard rubber ring-34 a, a spring-34 b, a rubber column-34 c, an inner soft rubber ring-34 d, a rubber cross bar-34 e, a rubber, An alloy aluminum ring-35, an electricity outlet terminal-4 and a welding seat-5.
Detailed Description
In order to make the technical means, the original characteristics, the achieved purposes and the effects of the invention easy to understand, the following description and the accompanying drawings further illustrate the preferred embodiments of the invention.
Example 1
Referring to fig. 1-4, the present invention provides an embodiment of a dual resistor core resistor:
referring to fig. 1, a dual-resistor core resistor structurally comprises an electric inlet terminal 1, a dual-resistor core resistor device 2, a heat guiding support 3, an electric outlet terminal 4 and a welding seat 5, wherein the electric inlet terminal 1 is arranged at the center of the top of the dual-resistor core resistor device 2, the electric outlet terminal 4 is arranged at the center of the bottom of the dual-resistor core resistor device 2, the welding seats 5 are arranged at the bottoms of the electric outlet terminal 4 and the electric inlet terminal 1, the two welding seats 5 are respectively welded with the electric outlet terminal 4 and the electric inlet terminal 1, the electric outlet terminal 4 and the electric inlet terminal 1 are installed on the dual-resistor core resistor device 2 through the welding seats 5, the heat guiding support 3 is arranged below the electric outlet terminal 4, and the heat guiding support 3 is installed at the bottom of the dual-resistor core resistor device 2.
Referring to fig. 2, the dual-core resistance device 2 includes an electric welding rod 21, resistance structures 22, an outer ceramic shell 23, heat dissipation side seats 24, an electric welding rod 25, and an inner ceramic frame 26, wherein the outer ceramic shell 23 is a cylindrical structure, two heat dissipation side seats 24 are disposed on two sides of the outer ceramic shell in an axisymmetric structure, the heat dissipation side seats 24 are engaged with the outer ceramic shell 23, the inner ceramic frame 26 is disposed at a central position inside the outer ceramic shell 23, the electric welding rod 21 is disposed on a top of the inner ceramic frame 26, the electric welding rod 21 is vertically mounted on the electric welding rod 21, the electric welding rod 25 is disposed on a bottom of the inner ceramic frame 26, the electric welding rod 25 is vertically mounted on the electric welding rod 21, the electric welding rod 21 and the electric welding rod 25 are fixed on the outer ceramic shell 23 and are respectively connected to the electric welding terminal 1 and the electric terminal 4, two resistance structures 22 are disposed on two sides of the inner ceramic frame 26 in an axisymmetric structure, the resistance structure 22 is mounted inside the outer porcelain shell 23 and is connected to the incoming and outgoing welding rods 21, 25.
Referring to fig. 3, the resistance structure 22 includes an alloy aluminum cover 22a, a ceramic core 22b, a connection ceramic rod 22c, a resistance coil 22d, and a conductive welding frame 22e, the ceramic core 22b is disposed at the center inside the alloy aluminum cover 22a, two conductive welding frames 22e are disposed at the front end of the ceramic core 22b, the resistance coil 22d is disposed on the outer ring of the ceramic core 22b, the resistance coil 22d is fixedly connected to the ceramic core 22b, the resistance coil 22d is connected to the conductive welding frames 22e, two or more connection ceramic rods 22c are arranged on two sides of the ceramic core 22b, the alloy aluminum cover 22a is connected to the ceramic core 22b through the connection ceramic rods 22c, the ceramic core 22b is U-shaped, and the two conductive welding frames 22e disposed at two ends of the opening are respectively connected to the electric welding rod 21 and the electric welding rod 25.
Referring to fig. 4, the heat dissipating side seat 24 includes a heat dissipating fin 24a, an inner concave cavity 24b, a ceramic seat 24c, a ventilation side port 24d, and a ventilation hole 24e, the porcelain seat 24c and the outer porcelain shell 23 are of an integrated structure, an inner concave cavity 24b is arranged on one side of the porcelain seat 24c, the inner concave cavity 24b is of a semi-sphere structure, and is integrated with the porcelain seat 24c, two radiating fins 24a are arranged in the inner concave cavity 24b in an axial symmetry structure, the radiating fins 24a are in a circular arc sheet structure, and is fixed in the inner concave cavity 24b, four air-through side openings 24d are arranged on the outer ring of the porcelain seat 24c, the ventilating side port 24d and the porcelain seat 24c are of an integrated structure, the ventilating side port 24d is uniformly distributed with ventilating holes 24e, the vent hole 24e and the porcelain seat 24c are of an integrated structure, and the vent side port 24d is connected with the inner concave cavity 24b through the vent hole 24 e.
The electric welding rod 21 and the electric welding rod 25 are formed by movably connecting and embedding two base plates, and only one of the two resistance structures 22 is used for limiting current when one of the base plates is removed synchronously.
Still include alloy aluminum cover 22a be hollow cylindrical structure to one end is half sphere shape structure, alloy aluminum cover 22a locate inside outer porcelain shell 23, and the two lock mutually.
Example 2
Referring to fig. 1-6, the present invention provides an embodiment of a dual resistor core resistor:
referring to fig. 1, a dual-resistor core resistor structurally comprises an electric inlet terminal 1, a dual-resistor core resistor device 2, a heat guiding support 3, an electric outlet terminal 4 and a welding seat 5, wherein the electric inlet terminal 1 is arranged at the center of the top of the dual-resistor core resistor device 2, the electric outlet terminal 4 is arranged at the center of the bottom of the dual-resistor core resistor device 2, the welding seats 5 are arranged at the bottoms of the electric outlet terminal 4 and the electric inlet terminal 1, the two welding seats 5 are respectively welded with the electric outlet terminal 4 and the electric inlet terminal 1, the electric outlet terminal 4 and the electric inlet terminal 1 are installed on the dual-resistor core resistor device 2 through the welding seats 5, the heat guiding support 3 is arranged below the electric outlet terminal 4, and the heat guiding support 3 is installed at the bottom of the dual-resistor core resistor device 2.
Referring to fig. 2, the dual-core resistance device 2 includes an electric welding rod 21, resistance structures 22, an outer ceramic shell 23, heat dissipation side seats 24, an electric welding rod 25, and an inner ceramic frame 26, wherein the outer ceramic shell 23 is a cylindrical structure, two heat dissipation side seats 24 are disposed on two sides of the outer ceramic shell in an axisymmetric structure, the heat dissipation side seats 24 are engaged with the outer ceramic shell 23, the inner ceramic frame 26 is disposed at a central position inside the outer ceramic shell 23, the electric welding rod 21 is disposed on a top of the inner ceramic frame 26, the electric welding rod 21 is vertically mounted on the electric welding rod 21, the electric welding rod 25 is disposed on a bottom of the inner ceramic frame 26, the electric welding rod 25 is vertically mounted on the electric welding rod 21, the electric welding rod 21 and the electric welding rod 25 are fixed on the outer ceramic shell 23 and are respectively connected to the electric welding terminal 1 and the electric terminal 4, two resistance structures 22 are disposed on two sides of the inner ceramic frame 26 in an axisymmetric structure, the resistance structure 22 is mounted inside the outer porcelain shell 23 and is connected to the incoming and outgoing welding rods 21, 25.
Referring to fig. 3, the resistance structure 22 includes an alloy aluminum cover 22a, a ceramic core 22b, a connection ceramic rod 22c, a resistance coil 22d, and a conductive welding frame 22e, the ceramic core 22b is disposed at the center inside the alloy aluminum cover 22a, two conductive welding frames 22e are disposed at the front end of the ceramic core 22b, the resistance coil 22d is disposed on the outer ring of the ceramic core 22b, the resistance coil 22d is fixedly connected to the ceramic core 22b, the resistance coil 22d is connected to the conductive welding frames 22e, two or more connection ceramic rods 22c are arranged on two sides of the ceramic core 22b, the alloy aluminum cover 22a is connected to the ceramic core 22b through the connection ceramic rods 22c, the ceramic core 22b is U-shaped, and the two conductive welding frames 22e disposed at two ends of the opening are respectively connected to the electric welding rod 21 and the electric welding rod 25.
Referring to fig. 4, the heat dissipating side seat 24 includes a heat dissipating fin 24a, an inner concave cavity 24b, a ceramic seat 24c, a ventilation side port 24d, and a ventilation hole 24e, the porcelain seat 24c and the outer porcelain shell 23 are of an integrated structure, an inner concave cavity 24b is arranged on one side of the porcelain seat 24c, the inner concave cavity 24b is of a semi-sphere structure, and is integrated with the porcelain seat 24c, two radiating fins 24a are arranged in the inner concave cavity 24b in an axial symmetry structure, the radiating fins 24a are in a circular arc sheet structure, and is fixed in the inner concave cavity 24b, four air-through side openings 24d are arranged on the outer ring of the porcelain seat 24c, the ventilating side port 24d and the porcelain seat 24c are of an integrated structure, the ventilating side port 24d is uniformly distributed with ventilating holes 24e, the vent hole 24e and the porcelain seat 24c are of an integrated structure, and the vent side port 24d is connected with the inner concave cavity 24b through the vent hole 24 e.
Referring to fig. 5, the heat guiding support 3 includes a bottom frame 31, two connecting side frames 32, two aluminum alloy rods 33, anti-collision side frames 34, and three aluminum alloy rings 35 arranged in parallel on the top of the bottom frame 31, the two connecting side frames 32 being arranged on the top of the bottom frame 31 in an axisymmetric structure, the connecting side frames 32 being welded to the bottom frame 31, the three aluminum alloy rings 35 being arranged on the top of the connecting side frames 32, the aluminum alloy rings 35 being fixedly connected to the connecting side frames 32, two or more aluminum alloy rods 33 being uniformly arranged on the inner rings of the aluminum alloy rings 35 at equal intervals, the aluminum alloy rods 33 being welded to the aluminum alloy rings 35, the two anti-collision side frames 34 being arranged on the two sides of the bottom frame 31 in an axisymmetric structure, and the anti-collision side frames 34 being welded to.
Referring to fig. 6, the anti-collision side frame 34 includes an outer hard rubber ring 34a, springs 34b, rubber columns 34c, an inner soft rubber ring 34d, and rubber cross bars 34e, wherein more than two rubber cross bars 34e are uniformly distributed on an inner ring of the inner soft rubber ring 34d, the rubber cross bars 34e are fixedly connected with the inner soft rubber ring 34d, the outer ring of the inner soft rubber ring 34d is provided with the outer hard rubber ring 34a, eight rubber columns 34c are annularly arranged between the outer hard rubber ring 34a and the inner soft rubber ring 34d, the rubber columns 34c are obliquely arranged between the outer hard rubber ring 34a and the inner soft rubber ring 34d, two springs 34b are parallelly and equidistantly arranged on two sides of the rubber columns 34c, and two ends of the springs 34b are respectively connected with the outer hard rubber ring 34a and the inner soft rubber ring 34 d.
The electric welding rod 21 and the electric welding rod 25 are formed by movably connecting and embedding two base plates, and only one of the two resistance structures 22 is used for limiting current when one of the base plates is removed synchronously.
Still include alloy aluminum cover 22a be hollow cylindrical structure to one end is half sphere shape structure, alloy aluminum cover 22a locate inside outer porcelain shell 23, and the two lock mutually.
The rubber ring 34d is arranged on the outer ring of the porcelain seat 24c and is connected with the porcelain seat 24c through a rubber cross bar 34 e.
The specific realization principle is as follows:
the double-core resistance device 2 is arranged at the top of the heat guide support 3 and matched with the heat guide support, under the matching of metal, ceramic and a double-resistance core structure, heat can be rapidly dissipated, the strength of the ceramic can be enhanced, the double-core resistance and the single-core resistance can be switched for use, the utilization rate of the resistor can be improved, and under the action of a formed anti-collision structure, the resistor can play a role of protection when the resistor is dropped and impacted, the service life of the resistor can be prolonged, because the alloy aluminum cover 22a is arranged inside the outer ceramic shell 23, the alloy aluminum cover 22a is connected with the ceramic core 22b through the arranged connecting ceramic rods 22c, the ceramic base 24c is connected with the outer ceramic shell 23, the ventilating side port 24d is connected with the inner concave cavity 24b through the ventilating hole 24e, the alloy aluminum ring 35 is fixed on the connecting side frame 32, and the alloy aluminum rod 33 penetrates through the outer shell 23 to be connected with the alloy aluminum cover 22a, the resistance coil 22d can generate high heat during the power-on process, the heat generated can be efficiently guided to the outside from the inside of the outer ceramic shell 23 to perform heat removal work through the formed heat conduction structure, the strength and hardness of the ceramic can be improved under the connection of the metal part and the ceramic structure, and the heat dissipation efficiency of the resistor during the operation process can be increased at the same time, because the structure of the heat dissipation fin 24a, the inner cavity 24b, the ceramic base 24c, the ventilation side port 24d and the ventilation hole 24e is set, partial heat generated by the resistor can be concentrated in the inner cavity 24b, the air can enter the inner cavity 24b from the outside to the inside and flow out from the opening of the inner cavity 24b under the connection effect of the inner cavity 24b, the ventilation side port 24d and the air hole 24e, and the air can sufficiently absorb heat under the heat absorption effect under the guiding of the heat dissipation fin 24a, so that the moisture contained in the air can not be easily evaporated, therefore, the heat absorption efficiency of the radiating fins 24a is improved, the electric welding inlet rod 21 and the electric welding outlet rod 25 are formed by movably connecting and embedding two backing plates, only one of the two resistor structures 22 arranged when one of the backing plates is synchronously dismounted can play a role of current limiting, the double-core resistor and the single-core resistor can be switched to be used at will, and the utilization rate of the resistor is improved, because the inner soft rubber ring 34d is arranged on the outer ring of the porcelain seat 24c and is connected with the porcelain seat 24c through the rubber cross bar 34e, the rubber column 34c is obliquely arranged between the inner soft rubber ring 34d and the inner soft rubber ring 34d from top to bottom, the springs 34b are arranged in parallel on the two sides of the rubber column 34c, the inner soft rubber ring 34d is arranged on the outer wall of the outer porcelain shell 23 through the arranged rubber cross bars 34e in an interval distribution mode, the resistor usually lands at one end in the falling impact process, and is arranged through the outer hard rubber ring 34a structure, the, can be when the resistor falls, the effort that forms in the buffering impact can play the guard action to the resistor to this solves ceramic resistor in use high heat output, gives off easily, and precision often can not satisfy operation requirement's stability, is unfavorable for the cooling of resistor, and its structural rigidity is poor, at collision, impact, the problem of fragile easy split when falling.
While there have been shown and described what are at present considered the fundamental principles of the invention, the essential features and advantages thereof, it will be understood by those skilled in the art that the present invention is not limited by the embodiments described above, which are merely illustrative of the principles of the invention, but rather, is capable of numerous changes and modifications in various forms without departing from the spirit or essential characteristics thereof, and it is intended that the invention be limited not by the foregoing descriptions, but rather by the appended claims and their equivalents.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (8)
1. The utility model provides a two resistance core resistors, its structure is including advancing electric terminal (1), two resistance core device (2), heat guide support (3), play electric terminal (4), welding seat (5), its characterized in that:
the double-core resistance device is characterized in that an electric inlet terminal (1) is arranged at the top of the double-core resistance device (2), an electric outlet terminal (4) is arranged at the bottom of the double-core resistance device (2), welding bases (5) are arranged at the bottoms of the electric outlet terminal (4) and the electric inlet terminal (1), the two welding bases (5) are respectively welded with the electric outlet terminal (4) and the electric inlet terminal (1), and a heat guide support (3) is arranged below the electric outlet terminal (4).
2. A dual resistive core resistor according to claim 1, wherein: double-core resistance device (2) including advancing electric welding pole (21), resistance structure (22), outer porcelain shell (23), heat dissipation side seat (24), go out electric welding pole (25), interior porcelain frame (26), outer porcelain shell (23) both sides all be equipped with heat dissipation side seat (24), outer porcelain shell (23) inside be equipped with interior porcelain frame (26), interior porcelain frame (26) top be equipped with into electric welding pole (21), interior porcelain frame (26) bottom be equipped with out electric welding pole (25), interior porcelain frame (26) both sides all be equipped with resistance structure (22), resistance structure (22) install inside outer porcelain shell (23) to with advance electric welding pole (21) and go out electric welding pole (25) and be connected.
3. A dual resistive core resistor according to claim 2, wherein: resistance structure (22) including alloy aluminum cover (22a), porcelain core (22b), connect porcelain rod (22c), resistance coil (22d), electrically conductive weld holder (22e), alloy aluminum cover (22a) inside central point put and be equipped with porcelain core (22b), porcelain core (22b) front end be equipped with electrically conductive weld holder (22e), porcelain core (22b) outer lane on be equipped with resistance coil (22d), porcelain core (22b) both sides all arrange and connect porcelain rod (22c), alloy aluminum cover (22a) be connected with porcelain core (22b) through connecting porcelain rod (22 c).
4. A dual resistive core resistor according to claim 2, wherein: radiating side seat (24) including fin (24a), interior concave cavity (24b), porcelain seat (24c), side mouth of ventilating (24d), air vent (24e), porcelain seat (24c) one side be equipped with interior concave cavity (24b), interior concave cavity (24b) inside be equipped with fin (24a), porcelain seat (24c) outer lane on be equipped with side mouth of ventilating (24d), side mouth of ventilating (24d) on evenly distributed have air vent (24e), side mouth of ventilating (24d) be connected with interior concave cavity (24b) through air vent (24 e).
5. A dual resistive core resistor according to claim 1, wherein: the heat guide support (3) comprises a base frame (31), connecting side frames (32), alloy aluminum rods (33), anti-collision side frames (34) and alloy aluminum rings (35), wherein the connecting side frames (32) are arranged at the tops of the base frame (31), the alloy aluminum rings (35) are arranged at the tops of the connecting side frames (32), the alloy aluminum rods (33) are arranged on inner rings of the alloy aluminum rings (35), and the anti-collision side frames (34) are arranged on two sides of the base frame (31).
6. A dual resistive core resistor according to claim 5, wherein: the anti-collision side frame (34) comprises an outer hard rubber ring (34a), a spring (34b), a rubber column (34c), an inner soft rubber ring (34d) and a rubber transverse strip (34e), wherein the inner ring of the inner soft rubber ring (34d) is provided with the rubber transverse strip (34e) in a distributed manner, the outer ring of the inner soft rubber ring (34d) is provided with the outer hard rubber ring (34a), the rubber column (34c) is arranged between the outer hard rubber ring (34a) and the inner soft rubber ring (34d), and the two sides of the rubber column (34c) are respectively provided with the spring (34 b).
7. A dual resistive core resistor according to claim 2, wherein: the electric welding rod inlet (21) and the electric welding rod outlet (25) are formed by movably connecting and embedding two backing plates.
8. A dual resistive core resistor according to claim 3, wherein: the alloy aluminum cover (22a) is of a hollow cylindrical structure, and one end of the alloy aluminum cover is of a semi-spherical structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010872128.2A CN112038024A (en) | 2020-08-26 | 2020-08-26 | Double-resistor-core resistor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010872128.2A CN112038024A (en) | 2020-08-26 | 2020-08-26 | Double-resistor-core resistor |
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| Publication Number | Publication Date |
|---|---|
| CN112038024A true CN112038024A (en) | 2020-12-04 |
Family
ID=73579974
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010872128.2A Withdrawn CN112038024A (en) | 2020-08-26 | 2020-08-26 | Double-resistor-core resistor |
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| Country | Link |
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| CN (1) | CN112038024A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3742422A (en) * | 1971-11-22 | 1973-06-26 | Cts Corp | High voltage resistor |
| JP2000353607A (en) * | 1999-06-14 | 2000-12-19 | Murata Mfg Co Ltd | Variable resistor |
| CN109637765A (en) * | 2018-11-23 | 2019-04-16 | 安徽翔胜科技有限公司 | A kind of chip resister |
| CN210956318U (en) * | 2020-01-15 | 2020-07-07 | 蚌埠市爱瑞特电子有限责任公司 | High-efficiency heat dissipation resistor |
| CN211828317U (en) * | 2020-05-18 | 2020-10-30 | 新化县和安盛电子科技有限公司 | High-power aluminum-shell wire-wound resistor |
-
2020
- 2020-08-26 CN CN202010872128.2A patent/CN112038024A/en not_active Withdrawn
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3742422A (en) * | 1971-11-22 | 1973-06-26 | Cts Corp | High voltage resistor |
| JP2000353607A (en) * | 1999-06-14 | 2000-12-19 | Murata Mfg Co Ltd | Variable resistor |
| CN109637765A (en) * | 2018-11-23 | 2019-04-16 | 安徽翔胜科技有限公司 | A kind of chip resister |
| CN210956318U (en) * | 2020-01-15 | 2020-07-07 | 蚌埠市爱瑞特电子有限责任公司 | High-efficiency heat dissipation resistor |
| CN211828317U (en) * | 2020-05-18 | 2020-10-30 | 新化县和安盛电子科技有限公司 | High-power aluminum-shell wire-wound resistor |
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Application publication date: 20201204 |