CN208781631U - One kind constituting resistor unit by resistance band - Google Patents
One kind constituting resistor unit by resistance band Download PDFInfo
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- CN208781631U CN208781631U CN201821274887.3U CN201821274887U CN208781631U CN 208781631 U CN208781631 U CN 208781631U CN 201821274887 U CN201821274887 U CN 201821274887U CN 208781631 U CN208781631 U CN 208781631U
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- resistance band
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Abstract
One kind being made of resistor unit, including resistance band, insulator and connecting screw resistance band, and resistance band combines to form resistor unit by insulator and connecting screw, and the resistance band is that the cross sectional shape of middle section is the resistance band in serpentine shape section.The resistance band that this intermediate portion cross-section is serpentine shape is got up to be formed a kind of resistor unit of high intensity by assembled in series, simplifies the fixing means of resistor unit, enhances the rigidity of resistor unit resistance band, at high operating temperatures, rigidity is relatively good, deforms small, high reliablity.
Description
Technical field
The utility model relates to arrive a kind of structure of resistor, refers in particular to one kind and be made of braking resistor resistance resistance band
Device unit, this kind, which is made of resistor unit resistance band, can simplify the fixing means of resistor unit, enhancing resistor unit electricity
The rigidity of stopband；Belong to braking resistor manufacturing technology field.
Background technique:
Resistance band is the core component of braking resistor, and band converts electrical energy into thermal energy, to make own temperature increase, still
As the temperature rises, resistance band strength can reduce.Present braking resistor in order to prevent resistance band because temperature distortion after
There is short circuit, so when assembling resistor generally all hole can have been beaten at resistance band center, be mounted with porcelain stud and porcelain nut every
Leave resistance band, to prevent resistance thermal expansion after, extrusion and it is short-circuit.But it so but will cause many unfavorable ground
Side；First in resistance band central punch, it will lead to puncture site and remove a part of resistance carrying material, resistor disc sectional area is reduced,
Resistance value increases, and fever increases, and temperature increases, and reduces resistance service life.Secondly many can be also brought to the installation of resistor not
Just, production cost is increased, and is not easy to replace and safeguard, therefore it is necessary to improve this.
The patent literature report for not finding there is with the utility model same technique by patent retrieval, has with the utility model
The patent of certain relationship mainly has following:
1, Patent No. CN201220256027.3, entitled " metal resistor tape with reinforcing rib ", applicant are as follows: Zhuzhou
The utility model patent of Co., Ltd, Lian Cheng group, which disclose a kind of metal resistor tape, especially a kind of punching press
It is in strip the metal resistor tape of reinforcing rib structure.It includes flat stainless steel metal resistor disc, insulator, fixed link and closely-pitched spiral shell
It is female, it is characterised in that the flat stainless steel metal resistor disc is the electric resistance of stainless that punching press is in strip reinforcing rib structure
Piece, the electric resistance of stainless piece front of the bar shaped reinforcing rib structure are Raised bar structure, and reverse side is spill striated structure.
2, Patent No. CN200720063594.6, a kind of entitled " rail transit locomotive braking electricity ", applicant are as follows: strain
Continent south vehicle epoch electrical limited liability company;The utility model patent of Zhuzhou Shidi Electronic Technology Co., Ltd., the patent disclosure
A kind of braking resistance for orbit traffic locomotive, including resistor box, transition air duct, blower and blower motor, blower motor are mounted on
In air duct, the air outlet of blower is connected by transition air duct with the bottom opening of resistor box, and resistor box includes passing through copper bus-bar string
Join three resistance units of connection, each resistance unit is made of the resistance band of eight two and four cascaded structures, blower motor
Full-closed structure is used for direct current generator, resistance band has shutter and add according to bending waviness at every 251 millimeters, surface punching
Strengthening tendons, the both ends and middle part of eight resistance band groups of resistance unit are equipped with micarex, have insulator and insulation in two resistance interbands
Screw rod.The side of resistor box is micarex, not only can guarantee its excellent electric property but also can guarantee heat-proof quality.Its structure is tight
It gathers, it is rationally distributed, it can be effectively prevented resistance band layer short circuit, solve the problems, such as motor entering water and dust.
3, Patent No. CN201521036140.0, entitled " locomotive braking resistor ", applicant are as follows: Zhuzhou
The utility model patent of Co., Ltd, Lian Cheng group, which disclose a kind of locomotive braking resistors, including bottom
It seat and is set on the pedestal and sequentially connected chimney fan, resistor box, transition air duct and blower along its length；It is described
Resistor box includes multiple resistance frames of setting arranged in parallel, and each resistance frame includes at least one resistive element, each resistance member
Part includes two or more spaced resistance units in the same plane；Air is imported from the blower side, warp
It is discharged after crossing the cooling air channel being made of the transition air duct, the resistor box and the chimney fan from the other side, with realization pair
The forced air cooling of entire braking resistor；It include the cone barrel wind-guiding that at least one is used for focused airflow in the transition air duct
Ring is strengthened to the heat dissipation effect at the resistive element center.
By carefully analyzing to these above-mentioned patents, although these patents are directed to the structure of resistance belt resistor,
It also proposed some improved technology schemes, wherein Patent No. CN201220256027.3, entitled " the metal electricity with reinforcing rib
Stopband " also discloses a kind of metal resistor tape with reinforcing rib, but by carefully analyzing, this kind has the resistance of reinforcing rib
Band only suppresses reinforcing rib from a direction on resistance band, though it can partially improve the intensity of resistance band in this way, due to being
Single side part compacting, so effect is extremely limited, and will cause resistance band internal stress unevenness, so still cannot effectively solve
It certainly current resistance band heated the problem of deformation occurs, is still necessary in actual use as mentioned-above in intermediate aperture,
It is still fixed (as shown in figure 1 and 2) by bolt when installation, problem noted earlier in this way still remains, and still needs into one
Step is subject to Improvement.
Utility model content
The purpose of this utility model is that leading to puncture site there are resistance band central punch for existing braking resistor
A part of resistance carrying material is removed, resistor disc sectional area is reduced, and resistance value increases, and fever increases, and temperature increases, and is reduced resistance and is used
Service life, and the problem of bring many inconvenience to the installation of resistor, increase production cost, it proposes a kind of novel by resistance band
The resistor unit of composition, this kind of resistor unit can effectively solve the reduction of resistor disc sectional area, and resistance value increases, and fever increases
Add, temperature increases, and reduces resistance service life problem, and can simplify installation formality, reduces product cost.
In order to reach this purpose, the utility model provides one kind and is made of resistor unit, including resistance resistance band
Band, insulator and connecting screw, resistance band combine to form resistor unit by insulator and connecting screw, it is characterised in that:
The resistance band is that the cross sectional shape of middle section is the resistance band in serpentine shape section.
Further, the resistance band in the serpentine shape section is the length direction in resistance band middle section, is divided up and down
It is not pressed into two reversed grooves, the cross sectional shape of groove is circular shape, and two groove sides are connected smoothly, so that whole
A resistance band section forms a kind of serpentine shape.
Further, the one end for the middle section that two reversed grooves are bent to form from resistance band extends always
To the other end, the whole shape for forming middle section becomes the resistance band that section is serpentine shape.
Further, the both ends of two reversed grooves are respectively spherical shape structural transition, so that groove
Further strengthen end.
Further, the resistance band is also pressed with groove in the intermediate bending place of bending forming, forms adding for bending place
Strengthening tendons.
Further, the both ends resistance band both ends of the resistance band are provided with waist-shaped hole, and at high temperature, resistance band is heated to be stretched
Long, there are elongation surpluses, not will lead to resistance band extrusion.
Utility model has the advantages that
The resistance band that this intermediate portion cross-section is serpentine shape is got up to form one by the utility model by assembled in series
The high-intensitive resistor unit of kind, simplifies the fixing means of resistor unit, enhances the rigidity of resistor unit resistance band, in height
Under temperature state, rigidity is relatively good, deforms small.There is the following advantage:
1, at high operating temperatures, rigidity is relatively good, deforms small；
2, porcelain stud is eliminated, porcelain nut saves built-up time, also saves material cost；
3, without porcelain stud, the windage of porcelain nut, cooling resistance band is reduced, and cooling effect increases, and temperature reduces；
4, centre bore has been rushed on resistance band in the past, resistor disc sectional area is caused to reduce, resistance value increases, and fever increases, temperature
Degree increases, and reduces resistance service life, eliminates centre bore now, be not in the phenomenon of resistance value unevenness, reduce resistance band
Fever, extend the service life of resistance band.
5, little groove has been pressed in the bending part of resistance band, has increased the intensity of bending part.
6, waist hole has been opened at resistance band both ends, and at high temperature, resistance band is by thermal stretching, and there are elongation surpluses, not will lead to electricity
There is short-circuit burning phenomenon in stopband extrusion.
Detailed description of the invention
Fig. 1 is existing resistance band structural schematic diagram；
Fig. 2 is existing resistor unit assembly structure diagram；
Fig. 3 is the utility model resistor unit assembly structure diagram；
Fig. 4 is the lateral plan of Fig. 3；
Fig. 5 is the resistance band schematic perspective view of the utility model；
Fig. 6 is the main view of the resistance band of the utility model；
Fig. 7 is the top view of Fig. 6；
Fig. 8 is A-A cross-sectional view in Fig. 6；
Fig. 9 is the utility model schematic perspective view.
Specific embodiment
It is further described the utility model in the following with reference to the drawings and specific embodiments.
Embodiment one
It can be seen that the utility model relates to a kind of resistor units of braking resistor, including resistance band by attached drawing 3-7
1, insulator 2 and connecting screw 3, resistance band logical 1 insulator 2 and connecting screw 3 excessively combine to form resistor unit, and feature exists
In: the resistance band 2 is that the cross sectional shape of middle section is the resistance band in serpentine shape section.
The resistance band in the serpentine shape section is to be pressed into two respectively up and down in the length direction of 1 middle section of resistance band
The cross sectional shape of the reversed groove 4 of item, groove 4 is circular shape, and two 4 sides of groove are connected smoothly, so that entire electricity
Stopband section forms a kind of serpentine shape.
The one end for the middle section that the reversed groove 4 of described two is bent to form from resistance band extends to another
End, the whole shape for forming middle section become the resistance band that section is serpentine shape.
The both ends of the reversed groove 4 of described two are respectively spherical shape structural transition so that the end 5 of groove 4 into
One step is strengthened.
Embodiment two
The principle of embodiment two and embodiment first is that, a kind of only slightly different in structure, braking resistor
Resistor unit, 3-7 can be seen that the utility model relates to a kind of resistor unit of braking resistor, including resistance band 1,
Insulator 2 and connecting screw 3, resistance band logical 1 crosses insulator 2 and connecting screw 3 combines to form resistor unit, and feature exists
In: the resistance band 2 is that the cross sectional shape of middle section is the resistance band in serpentine shape section.
The resistance band in the serpentine shape section is to be pressed into two respectively up and down in the length direction of 1 middle section of resistance band
The cross sectional shape of the reversed groove 4 of item, groove 4 is circular shape, and two 4 sides of groove are connected smoothly, so that entire electricity
Stopband section forms a kind of serpentine shape, and serpentine shape obtains the width that width is entire resistance band.
The one end for the middle section that the reversed groove 4 of described two is bent to form from resistance band extends to another
End, the whole shape for forming middle section become the resistance band that section is serpentine shape.
The both ends of the reversed groove 4 of described two are respectively spherical shape structural transition so that the end 5 of groove 4 into
One step is strengthened.
The resistance band 1 is also pressed with little groove 7 in the intermediate bending place 6 of bending forming, forms the reinforcing rib of bending place；
Little groove 7 is located at the bending place 6 of resistance band middle section, to intersect compression moulding with folding line, improves the intensity of bending part.
Meanwhile waist hole 8 has been opened at 1 both ends of resistance band, at high temperature, resistance band is by thermal stretching, and there are elongation surpluses, will not
Lead to resistance band extrusion.
Above-mentioned listed embodiment, only carries out clear, complete description to the technical solution of the utility model in conjunction with attached drawing；
Obviously, described embodiment is only a part of the embodiment of the utility model, instead of all the embodiments.Based on this reality
It is obtained by those of ordinary skill in the art without making creative efforts all other with the embodiment in novel
Embodiment is fallen within the protection scope of the utility model.
Utility model has the advantages that
The resistance band that this intermediate portion cross-section is serpentine shape is got up to form one by the utility model by assembled in series
The high-intensitive resistor unit of kind, simplifies the fixing means of resistor unit, enhances the rigidity of resistor unit resistance band, in height
Under temperature state, rigidity is relatively good, deforms small.There is the following advantage:
1, at high operating temperatures, rigidity is relatively good, deforms small；
2, porcelain stud is eliminated, porcelain nut saves built-up time, also saves material cost；
3, without porcelain stud, the windage of porcelain nut, cooling resistance band is reduced, and cooling effect increases, and temperature reduces；
4, with preshoot centre bore, resistor disc sectional area is caused to reduce, resistance value increases, and fever increases, and temperature increases, and reduces
Resistance service life, eliminates centre bore now, is not in the phenomenon of resistance value unevenness, reduces the fever of resistance band, extends
The service life of resistance band.
5, little groove has been pressed in the bending part of resistance band, has increased the intensity of bending part.
6, waist hole has been opened at resistance band both ends, and at high temperature, resistance band is by thermal stretching, and there are elongation surpluses, not will lead to electricity
There is short-circuit burning phenomenon in stopband extrusion.
Claims (6)
1. one kind is made of resistor unit, including resistance band, insulator and connecting screw resistance band, resistance band passes through insulator and company
It connects screw rod group and collectively forms resistor unit, it is characterised in that: the resistance band is that the cross sectional shape of middle section is " S "
The resistance band of shaped cross.
2. constituting resistor unit by resistance band as described in claim 1, it is characterised in that: the serpentine shape section
Resistance band is the length direction in resistance band middle section, is pressed into two reversed grooves, the cross sectional shape of groove respectively up and down
For circular shape, two groove sides are connected smoothly, so that entire resistance band section forms a kind of serpentine shape.
3. constituting resistor unit by resistance band as claimed in claim 2, it is characterised in that: two reversed grooves
The one end for the middle section being bent to form from resistance band extends to the other end, and the whole shape for forming middle section becomes section
For the resistance band of serpentine shape.
4. constituting resistor unit by resistance band as claimed in claim 3, it is characterised in that: two reversed grooves
Both ends be respectively spherical shape structural transition so that the end of groove is further strengthened.
5. constituting resistor unit by resistance band as described in claim 1, it is characterised in that: the resistance band is being bent into
The intermediate bending place of type is also pressed with groove, forms the reinforcing rib of bending place.
6. constituting resistor unit by resistance band as described in claim 1, it is characterised in that: the resistance band both ends are provided with
Waist-shaped hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821274887.3U CN208781631U (en) | 2018-08-09 | 2018-08-09 | One kind constituting resistor unit by resistance band |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821274887.3U CN208781631U (en) | 2018-08-09 | 2018-08-09 | One kind constituting resistor unit by resistance band |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208781631U true CN208781631U (en) | 2019-04-23 |
Family
ID=66156208
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821274887.3U Active CN208781631U (en) | 2018-08-09 | 2018-08-09 | One kind constituting resistor unit by resistance band |
Country Status (1)
| Country | Link |
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| CN (1) | CN208781631U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108831642A (en) * | 2018-08-09 | 2018-11-16 | 株洲中车奇宏散热技术有限公司 | A kind of intensifying method and resistor unit being made of resistor unit resistance band |
-
2018
- 2018-08-09 CN CN201821274887.3U patent/CN208781631U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108831642A (en) * | 2018-08-09 | 2018-11-16 | 株洲中车奇宏散热技术有限公司 | A kind of intensifying method and resistor unit being made of resistor unit resistance band |
| CN108831642B (en) * | 2018-08-09 | 2023-09-05 | 株洲中车奇宏散热技术有限公司 | Method for reinforcing resistor unit formed by resistor strips and resistor unit |
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