CN210575327U

CN210575327U - Resistance load box

Info

Publication number: CN210575327U
Application number: CN201920976062.4U
Authority: CN
Inventors: 姜超维
Original assignee: Wuhan Yuanchang Technology Co Ltd
Current assignee: Wuhan Yuanchang Technology Co Ltd
Priority date: 2019-06-25
Filing date: 2019-06-25
Publication date: 2020-05-19
Anticipated expiration: 2029-06-25

Abstract

The utility model provides a resistance load case, including bottom plate, a plurality of resistor and mica fixed plate, the mica fixed plate is fixed in through support piece the bottom plate top, each the resistor is formed by the multistage of buckling repeatedly of resistance wire, a plurality of through-holes have been seted up on the mica fixed plate, each the each bending segment of resistor penetrates a through-hole of mica fixed plate, and each the bending segment with through-hole frictional contact. The utility model discloses set up the through-hole on the mica fixed plate, penetrate the through-hole of mica fixed plate through a plurality of bending segments with the resistor, can keep apart the through-hole that a plurality of bending segments of a resistor pass through the mica fixed plate like this, avoid the resistor to lead to the resistance of resistor to produce the change owing to the inflation that generates heat is even in the course of the work.

Description

Resistance load box

Technical Field

The utility model relates to a resistor installation technical field, more specifically relates to a resistive load case.

Background

After the resistors are produced, each resistor needs to be placed in order during use, and referring to fig. 1, a comb-shaped mica fixing baffle bar 5 is usually adopted to isolate different resistors 2 at present.

One resistor 2 is usually formed by repeated multi-section bending, and different resistors 2 are separated by adopting the comb-shaped mica fixing rail 5, but the resistor 2 is easy to deform among the multi-section bending of the same resistor 2 in the use process of the resistor 2, so that the resistor 2 is adhered, and the resistance value is changed and reddened after the adhesion, so that the resistor box is in failure.

SUMMERY OF THE UTILITY MODEL

The utility model provides a overcome above-mentioned problem or solve the resistance load case of above-mentioned problem at least partially.

The utility model provides a resistance load case, including bottom plate, a plurality of resistor and mica fixed plate, the mica fixed plate is fixed in through support piece the bottom plate top, each the resistor is formed by the multistage of buckling repeatedly of resistance wire, a plurality of through-holes have been seted up on the mica fixed plate, each the each buckle section of resistor penetrates a through-hole of mica fixed plate, and each the buckle section with through-hole frictional contact.

The utility model has the advantages that: offer the through-hole on the mica fixed plate, penetrate the through-hole of mica fixed plate through a plurality of bending segments with the resistor, can isolate a plurality of bending segments of a resistor through the through-hole of mica fixed plate like this, avoid the resistor to lead to the resistance of resistor to produce and change because the inflation that generates heat is even in the course of the work, the resistor turns red and causes the resistance box trouble even.

On the basis of the technical scheme, the utility model discloses can also make following improvement.

Furthermore, the through holes on the mica fixing plate are in a plurality of rows and columns and are in a matrix shape.

Furthermore, the multiple sections of each resistor are bent to correspondingly penetrate into the row or the column of through holes of the mica fixing plate.

Further, according to the number of the sections of the bent section of each resistor, the bent sections of each resistor penetrate into the through holes in the row or the column of the through holes of the mica fixing plate.

Furthermore, the resistor further comprises a plurality of insulating columns, each insulating column is fixed on the mica fixing plate through screws, and two ends of each resistor are fixed on the insulating columns.

Further, the number of the insulating columns is twice the number of the resistors.

Further, each end of each resistor is fixed on the insulating column through a screw.

Drawings

FIG. 1 is a prior art resistive load cell configuration diagram;

fig. 2 is a diagram of a resistive load box structure according to an embodiment of the present invention;

FIG. 3 is a schematic view of a resistance wire;

fig. 4 is a structural view of a mica fixing plate.

In the drawings, the names of the components represented by the respective reference numerals are as follows:

1. the device comprises a bottom plate, 2, a resistor, 3, a mica fixing plate, 4, an insulating column, 5 and a comb-shaped mica fixing baffle strip.

Detailed Description

The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.

Referring to fig. 2, a resistance load box according to an embodiment of the present invention is provided, which includes a bottom plate 1, a plurality of resistors 2, and a mica fixing plate 3, wherein the mica fixing plate 3 is fixed above the bottom plate 1 by a supporting member. Referring to fig. 3, each resistor 2 is formed by repeatedly bending a plurality of sections of resistance wires, a plurality of through holes are formed in the mica fixing plate 3, each bending section of each resistor 2 penetrates one through hole of the mica fixing plate 3, each bending section is in friction contact with the through hole, and each resistor 2 is placed in the through hole of the mica fixing plate 3.

Referring to fig. 4, the through holes on the mica fixing plate 3 are in multiple rows and multiple columns and are in a matrix shape. Wherein, the multiple sections of each resistor 2 are bent to penetrate into the row or the column of the through holes of the mica fixing plate 3. Each segment of the resistor 2 is bent to penetrate through a through hole of the mica fixing plate 3, and each resistor 2 includes a plurality of segments of the bent, and thus, one resistor 2 needs to penetrate through a plurality of through holes of the mica fixing plate 3. The direction of placing the resistor 2 on the mica fixing plate 3 is adjustable, and a plurality of sections of the bent resistor 2 can penetrate into a row or a column of through holes of the mica fixing plate 3 to transversely or vertically place the resistor 2.

Here, if the number of the through holes in one row or one column on the mica fixing plate 3 is large and the number of the bending sections of the resistor 2 is smaller than the number of the through holes in one row or one column on the mica fixing plate 3, the plurality of bending sections of the resistor 2 may be inserted into the plurality of through holes in one row or one column of the through holes of the mica fixing plate 3 according to the number of the bending sections of each resistor 2. Wherein, the through-hole on the mica fixed plate 3 can be multiple shape, the embodiment of the utility model provides an in the through-hole be square.

The utility model provides a resistive load case still includes a plurality of insulated columns 4, and on each insulated column 4 passed through the screw fixation in mica fixed plate 3, the both ends of each resistor 2 all were fixed in on the insulated column 4. Therefore, the number of the insulating columns 4 is twice the number of the resistors 2, both ends of each resistor 2 are fixed to the insulating columns 4 by screws, and each resistor 2 is insulated and heat-radiated by the insulating columns 4.

The utility model provides a resistance load case sets up the through-hole on the mica fixed plate, through penetrating the through-hole of mica fixed plate with a plurality of bending sections of resistor, can keep apart a plurality of bending sections of resistor through the through-hole of mica fixed plate like this, avoid the resistor to lead to the resistance of resistor to produce and change because the inflation that generates heat glues in the course of the work, even the resistor reddens and causes the resistance case trouble; through innovations of a resistor forming process, a resistor fixing process and a resistor connecting process, the mica fixing plate material is saved by 60%, and the mica using area is 6500mm before innovation²New technology 2600mm²The installation efficiency is improved by 50%, the novel technical structure is simpler and more firm, and the service life of the product is longer.

Finally, the method of the present application is only a preferred embodiment and is not intended to limit the scope of the present invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a resistance load box, its characterized in that includes bottom plate, a plurality of resistor and mica fixed plate, the mica fixed plate is fixed in through support piece above the bottom plate, each the resistor is formed by the multistage of buckling repeatedly of resistance wire, seted up a plurality of through-holes on the mica fixed plate, each bending segment of each the resistor penetrates a through-hole of mica fixed plate, and each bending segment with through-hole frictional contact.

2. The resistor load box according to claim 1, wherein the through holes of the mica fixing plate are arranged in a plurality of rows and columns in a matrix shape.

3. A resistive load bank according to claim 2, wherein the plurality of bends of each resistor are arranged to extend through a respective row or column of through holes in the mica mounting plate.

4. A resistive load bank according to claim 2, wherein the plurality of bends of each resistor are threaded into the plurality of through holes in the row or column of through holes of the mica fixing plate according to the number of bends of each resistor.

5. The resistive load box of claim 1, further comprising a plurality of insulating posts, each of said insulating posts being secured to said mica fixation plate by screws, and each of said resistors having both ends secured to said insulating posts.

6. The resistive load bank of claim 5, wherein the number of insulating columns is twice the number of resistors.

7. The resistive load bank of claim 6, wherein each end of each resistor is secured to the insulating column by screws.