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A load resistance, portable technology, applied in the direction of resistors, resistor parts, resistor shells/packaging shells/potting, etc., can solve the problems of damage to wires and wires, skin melting and open circuit of small wires, achieve the effect of low temperature
Pending Publication Date: 2021-05-28
周俊杰
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[0002] A resistor is a current-limiting element, mainly used to limit the current in the circuit to make it smaller. The size and resistance value of resistors made of different materials are also different. Small resistors are usually composed of two wires. It is composed of a resistance block connected in series with the top of the foot. It is portable and is often used in small circuits with low current. However, when
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[0023]Example 1:
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[0024]SeeFigure 1 - Figure 5 In particular, the present invention is specifically implemented, for example, a small mobile convenient load resistor including a joint 1, a fixing frame 2, a resist block 3, the joint 1 top surface soldered to the bottom surface of the fastener 2, the resistance block 3 The two ends are embedded with the top end of the holder 2; the resistance block 3 includes a sleeve 31, a pickup plate 32, a resistor post 33, a heat transfer ring 34, and the pickup 32, which is embedded in the left side of the sleeve 31, the resistance The left side of the column 33 is welded to the right side of the pickup plate 32, and the heat transfer ring 34 is arranged in the outer ring of the resistance column 33, and the expansion ring 34 is provided with three, and the three heat transfer ring 34 gaps are uniformly sleeve. The outer ring of the resistor column 33 is conducive to enhancing the heat dissipation effect.
[0025]Wherein, the expansion ring 34 includes a fixed frame...
Example Embodiment
[0029]Example 2:
[0030]SeeFigure 6 - Figure 7In particular, the present invention specifically, for example, the expansion plate A25 includes an inner shaft B1, a threaded ring B2, a contact plate B3, a heat absorbing groove B4, a cooling block B5, and the threaded ring B2 inner ring is provided in an inner shaft B1 outer ring The top surface of the contact plate B23 is embedded in the outer ring of the threaded ring B2, and the heat shield B4 is integrated with the outer layer of the contact plate B3, the cooling block B5 embedded in the contact plate B3, the suction The heat groove B4 is provided with a plurality of heat absorbing grooves B4 gaps are uniformly distributed in the outer layer of the contact plate B3, which facilitates the increase in the range of absorbing heat.
[0031]The cooling block B5 includes a connecting plate B51, a pin head B52, a cartridge B53, a cold airbag B54, and the connecting plate B51 engages the top of the card head B52 and the trunk B53, the cold air...
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Abstract
The invention discloses a small mobile portable load resistor, which structurally comprises a joint, a fixing frame and a resistor block, wherein the top face of the joint is welded to the bottom face of the fixing frame, the two ends of the resistor block are fixedly connected with the top end of the fixing frame in an embedded mode, the resistor block comprises a sleeve shell, a connecting plate, a resistor column and heat diffusionrings, the connecting plate is embedded into the left side of the sleeve shell, and the left side of the resistor column is connected with the right side of the connecting plate in a welded mode. According to the invention, heat diffusion is carried out through a plurality of heat diffusion rings arranged on a resistor block, heat absorption is carried out through heat absorption rings when a large amount of heat is generated when a resistor column works, the large amount of heat is dissipated to the heat dissipation column, an expansion block is heated to shrink to expand an expansion structure so as to make a large amount of radiated heat enter a cooling block through a heat absorption groove, and dry ice in a cold air bag is sublimated while a large amount of heat is absorbed, so that the temperature of the resistor block is kept relatively low, and the phenomenon that the electric wire is burnt and broken due to the fact that the too high resistance block touches other small electric wires in the circuit board is avoided.
Description
technical field [0001] The invention relates to the field of resistors, in particular to a small mobile and portable load resistor. Background technique [0002] A resistor is a current-limiting element, mainly used to limit the current in the circuit to make it smaller. The size and resistance value of resistors made of different materials are also different. Small resistors are usually composed of two wires. It is composed of a resistance block connected in series with the top of the foot. It is portable and is often used in small circuits with low current. However, when the current flows through the resistor, it is limited by its small shape, so it will Concentrated heat generation, the higher the resistance value, the greater the heat generated. If the resistance block of the resistor touches a small wire in the circuit, it is easy to cause the skin of the small wire to be melted due to excessive temperature, and then Breaks the wire filaments inside the wire, causing a...
Claims
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Application Information
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