CN209993417U

CN209993417U - Resistor structure of trapezoidal aluminum shell

Info

Publication number: CN209993417U
Application number: CN201920703766.4U
Authority: CN
Inventors: 张海亮
Original assignee: Foshan Hangya Aluminum Co Ltd
Current assignee: Foshan Hangya Aluminum Co Ltd
Priority date: 2019-05-16
Filing date: 2019-05-16
Publication date: 2020-01-24
Anticipated expiration: 2029-05-16

Abstract

The utility model discloses a resistor structure of a trapezoidal aluminum shell, which relates to the field of electronic elements and comprises a trapezoidal aluminum shell, a resistor core and a three-section switch, wherein the resistor core is pasted below the inner end of the trapezoidal aluminum shell through insulating glue, the resistor core comprises a first resistor core, a second resistor core, a third resistor core and a lead, the lead is introduced into the trapezoidal aluminum shell, the first resistor core, the second resistor core and the third resistor core are connected in series through the lead, the three-section switch is positioned above the inner end of the trapezoidal aluminum shell, an opening for the three-section switch to adjust is formed above the trapezoidal aluminum shell, the three-section switch is arranged in the opening through screws, the three-section switch comprises a first port, a second port, a third port and an output end, the first port is connected to the right side of the lead of the first resistor core, the second port is connected to the right side of the lead of the second resistor core, the third port is connected to the lead of the third resistor core, the output end is connected with, the resistance tolerance can be changed at any time, and the applicable position is wider.

Description

Resistor structure of trapezoidal aluminum shell

Technical Field

The utility model belongs to the technical field of electronic component and specifically relates to a trapezoidal aluminum hull resistance structure is related to.

Background

The aluminum shell resistor has the advantages that the shell is made of aluminum alloy (gold aluminum shell), the surface of the shell is provided with the heat dissipation grooves, the size is small, the power is high, the high temperature resistance is realized, the overload capacity is high, the weather resistance and the high precision are realized, the standard induction resistance is low, the stability is high, the framework is strong, the multiple combination selection with good flexibility is realized, the mechanical protection is facilitated, and the installation and the use are convenient.

The resistance tolerance of the aluminum shell resistor on the market is 10%, 5%, 3%, 2%, 1% and 0.5%, the aluminum shell resistor with different specifications and models needs to be purchased according to the needs of customers, and the resistance tolerance of the required resistor needs to be carefully checked before the purchase, so that the aluminum shell resistor is inconvenient for vast staff to purchase and select.

SUMMERY OF THE UTILITY MODEL

The utility model discloses an it is not enough to overcome above-mentioned condition, provides a technical scheme that can solve above-mentioned problem.

A resistor structure of a trapezoidal aluminum shell comprises a trapezoidal aluminum shell, a resistor core and a three-section switch.

The resistance core is pasted in the below of trapezoidal aluminum hull inner end through insulating glue, the resistance core includes that the first core that hinders, the second hinders the core, the third hinders core and wire, the wire lets in trapezoidal aluminum hull, the first core that hinders, the second hinders the core and the third hinders the core and passes through the wire series connection, the syllogic switch is located trapezoidal aluminum hull inner end top, trapezoidal aluminum hull top shaping has the opening that supplies syllogic switch to adjust, the syllogic switch passes through the screw installation in the opening, the syllogic switch includes first port, the second port, third port and output, first port is connected at the first wire that hinders the core right-hand, the second port is connected at the second and is hindered right-hand at the wire that the core, the third port is connected at the third and is hindered right-hand at the wire that the core, the output is connected with the wire and leads out trapezoidal aluminum hull.

As a further aspect of the present invention: the first resistance core adopts a resistance core with the resistance tolerance of 0.5% or 3%, the second resistance core adopts a resistance core with the resistance tolerance of 0.5% or 2%, and the third resistance core adopts a resistance core with the resistance tolerance of 2% or 5%.

As a further aspect of the present invention: the periphery of the lead is sleeved with an insulating tube.

As a further aspect of the present invention: the insulating tube is an insulating ceramic fiber tube.

As a further aspect of the present invention: insulating resin is coated and molded above the first resistance core, the second resistance core and the third resistance core in the resistance core.

As a further aspect of the present invention: the inner wall of the trapezoidal aluminum shell is coated and formed with an insulating layer.

Compared with the prior art, the beneficial effects of the utility model are that: the insulation effect is good, and the electric energy loss is low, can change the resistance tolerance at any time, and the position that is suitable for is more extensive, and only two kinds of models just can let the resistance tolerance reach the resistance tolerance of all needs, are convenient for purchase and use.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.

Fig. 1 is a schematic sectional structure of the present invention.

Fig. 2 is a schematic diagram of the circuit relationship of the present invention.

Shown in the figure: 1. a trapezoidal aluminum shell; 2. a resistor core; 3. a three-section switch; 4. a first resistive core; 5. a second resistive core; 6. a third resistive core; 7. a wire; 8. an opening; 9. a first port; 10. a second port; 11. a third port; 12. an output end; 13. an insulating tube; 14. an insulating resin; 15. an insulating layer.

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. 1-2, the resistor structure with a trapezoidal aluminum housing includes a trapezoidal aluminum housing 1, a resistor core 2 and a three-stage switch 3.

The resistor core 2 is adhered below the inner end of the trapezoidal aluminum shell 1 through insulating glue, the resistor core 2 comprises a first resistor core 4, a second resistor core 5, a third resistor core 6 and a lead 7, the lead 7 is introduced into the trapezoidal aluminum shell 1, the first resistor core 4, the core 5 is hindered to the second and the core 6 is hindered to the third passes through 7 series connections of wire, syllogic switch 3 is located 1 inner end top of trapezoidal aluminum hull, 1 top shaping of trapezoidal aluminum hull has the opening 8 that supplies syllogic switch 3 to adjust, syllogic switch 3 passes through the screw and installs in trompil 8, syllogic switch 3 includes first port 9, second port 10, third port 11 and output 12, first port 9 is connected at the first wire 7 right-hand that hinders core 4, second port 10 is connected at the second and is hindered wire 7 right-hand that core 5 was hindered to the second, third port 11 is connected at the third and is hindered wire 7 right-hand that core 6 was hindered to the third, output 12 is connected with wire 7 and leads out trapezoidal aluminum hull 1.

As a further aspect of the present invention: the first resistance core 4 is a resistance core with the resistance tolerance of 0.5% or 3%, the second resistance core 5 is a resistance core with the resistance tolerance of 0.5% or 2%, and the third resistance core 6 is a resistance core with the resistance tolerance of 2% or 5%.

As a further aspect of the present invention: the periphery of the lead 7 is sleeved with an insulating tube 13.

As a further aspect of the present invention: the insulating tube 13 is an insulating ceramic fiber tube.

As a further aspect of the present invention: the insulating resin 14 is coated and molded on the first resistance core 4, the second resistance core 5 and the third resistance core 6 in the resistance core 2.

As a further aspect of the present invention: the inner wall of the trapezoidal aluminum shell 1 is coated and formed with an insulating layer 15.

The utility model discloses a theory of operation is: the first port 9 of the three-section switch 3 is connected to the right of the lead 7 of the first resistance core 4, the second port 10 is connected to the right of the lead 7 of the second resistance core 5, the third port 11 is connected to the right of the lead 7 of the third resistance core 6, the three-section switch 3 is adjusted to change the resistance tolerance in the resistor structure of the trapezoidal aluminum shell, the resistor structure of the trapezoidal aluminum shell is divided into a large resistance resistor and a small resistance resistor, the first resistance core 4 adopts a resistance core with the resistance tolerance of 0.5 percent (small) or 3 percent (large), the second resistance core 5 adopts a resistance core with the resistance tolerance of 0.5 percent (small) or 2 percent (large), the third resistance core 6 adopts a resistance core with the resistance tolerance of 2 percent (small) or 5 percent (large), the adjustable resistance tolerance of the small resistance resistor is 2 percent, 1 percent or 0.5 percent, the adjustable tolerance of the large resistance resistor is 10 percent, 5 percent or 3 percent, the purchase is convenient, and the application of one resistor to wider area position can be realized, the insulation effect is good, and the electric energy loss is low.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. Trapezoidal aluminum hull resistance structure, including trapezoidal aluminum hull, resistance core and syllogic switch, its characterized in that: the resistance core is pasted in the below of trapezoidal aluminum hull inner end through insulating glue, the resistance core includes that the first core that hinders, the second hinders the core, the third hinders core and wire, the wire lets in trapezoidal aluminum hull, the first core that hinders, the second hinders the core and the third hinders the core and passes through the wire series connection, the syllogic switch is located trapezoidal aluminum hull inner end top, trapezoidal aluminum hull top shaping has the opening that supplies syllogic switch to adjust, the syllogic switch passes through the screw installation in the opening, the syllogic switch includes first port, the second port, third port and output, first port is connected at the first wire that hinders the core right-hand, the second port is connected at the second and is hindered right-hand at the wire that the core, the third port is connected at the third and is hindered right-hand at the wire that the core, the output is connected with the wire and leads out trapezoidal aluminum hull.

2. The resistance structure of trapezoidal aluminum shell of claim 1, wherein: the first resistance core adopts a resistance core with the resistance tolerance of 0.5% or 3%, the second resistance core adopts a resistance core with the resistance tolerance of 0.5% or 2%, and the third resistance core adopts a resistance core with the resistance tolerance of 2% or 5%.

3. The resistance structure of trapezoidal aluminum shell of claim 1, wherein: the periphery of the lead is sleeved with an insulating tube.

4. The resistance structure of trapezoidal aluminum shell of claim 3, characterized in that: the insulating tube is an insulating ceramic fiber tube.

5. The resistance structure of trapezoidal aluminum shell of claim 1, wherein: insulating resin is coated and molded above the first resistance core, the second resistance core and the third resistance core in the resistance core.

6. The resistance structure of trapezoidal aluminum shell of claim 1, wherein: the inner wall of the trapezoidal aluminum shell is coated and formed with an insulating layer.