WO2022252538A1 - Band-type resistor having large current surge resistance - Google Patents
Band-type resistor having large current surge resistance Download PDFInfo
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- WO2022252538A1 WO2022252538A1 PCT/CN2021/136133 CN2021136133W WO2022252538A1 WO 2022252538 A1 WO2022252538 A1 WO 2022252538A1 CN 2021136133 W CN2021136133 W CN 2021136133W WO 2022252538 A1 WO2022252538 A1 WO 2022252538A1
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- 239000010445 mica Substances 0.000 claims abstract description 25
- 229910052618 mica group Inorganic materials 0.000 claims abstract description 25
- 238000005192 partition Methods 0.000 claims abstract description 14
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 9
- 238000009434 installation Methods 0.000 claims description 7
- 230000007704 transition Effects 0.000 claims description 6
- 238000001816 cooling Methods 0.000 claims description 4
- 230000035939 shock Effects 0.000 claims description 3
- 241001251094 Formica Species 0.000 claims 1
- 230000002452 interceptive effect Effects 0.000 claims 1
- 230000015556 catabolic process Effects 0.000 abstract description 4
- 238000000034 method Methods 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000009413 insulation Methods 0.000 description 3
- 238000009825 accumulation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910010293 ceramic material Inorganic materials 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
Classifications
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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
- H01C1/01—Mounting; Supporting
- H01C1/014—Mounting; Supporting the resistor being suspended between and being supported by two supporting sections
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01C—RESISTORS
- H01C1/00—Details
- H01C1/16—Resistor networks not otherwise provided for
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01C—RESISTORS
- H01C13/00—Resistors not provided for elsewhere
- H01C13/02—Structural combinations of resistors
Definitions
- the invention relates to the technical field of loads, in particular to a band resistor resistant to large current impact.
- Braking resistors in the traditional technology generally include multiple sheet-like resistors, and the ends of the multiple resistors are fixed in series in sequence, combined with components such as mica rings and string rods used to block insulation, to form the required resistance. value resistors.
- the currents of two adjacent resistors are opposite during operation. Under the condition of high current impact, the two resistors are easy to attract and break down, resulting in failure.
- the currents of two adjacent resistors are opposite during operation. Under the condition of high current impact, the two resistors are easy to attract and break down, resulting in failure.
- the present invention provides a band resistor with stable structure and high current impact resistance that can avoid breakdown faults.
- the present invention provides the following technical solutions:
- each resistance unit includes a plurality of parallel resistance sheets electrically connected to each other and a string bar connecting the plurality of resistance sheets in series , the two ends of the string rod are respectively fixed on the two side plates;
- the string rod is connected with a plurality of insulating seats to separate the multiple resistors; Outside, the resistance sheet and the string rod are separated by the protrusion;
- the insulating seat is also provided with a groove that matches the protrusion, so that an axially convex-concave phase is formed between two adjacent insulating seats.
- Embedded clamping structure multiple resistance units are separated and arranged side by side, and are electrically connected through the connecting piece; the middle part of the resistance piece is stamped with a semi-arc-shaped reinforcing rib, and there is also a mica partition between the two side plates, and the mica partition Located between two adjacent resistance units, the two sides of the mica separator are respectively provided with a plurality of limiting grooves, and the sides of the resistance sheets of the two adjacent resistance units are embedded in the limiting grooves, and the grooves of the limiting grooves The wall is against the ribs of the resistor strip.
- the reinforcing rib of the resistance plate is elastically interference-fitted with the groove wall of the limiting groove.
- both ends of the resistance sheet are provided with long holes for the protrusions of the insulating seat to pass through, and the long holes are arranged along the length direction of the resistance sheet.
- both ends of the connecting piece are respectively connected to two adjacent resistance units, and transition slots are formed in the middle of the connecting piece at positions staggered from the resistance units.
- the transition groove is in the shape of a semicircle.
- the side plate is provided with a plurality of cooling holes.
- the side plate is provided with a first installation hole through which the mica partition passes and a second installation hole through which the string rod passes.
- the high current shock-resistant band resistor created by the present invention is equipped with a mica partition, and the side parts of the resistance sheets of two adjacent resistance units are embedded in the limiting grooves of the mica partition. Therefore, in the process of use, even if the resistive sheet has a tendency to deform under the impact of a large current, the mica separator can prevent its deformation, so it can avoid breakdown failure; moreover, the limiting groove is against the rib of the resistive sheet, It can ensure the connection strength between the limiting groove and the resistor sheet, and prevent the resistor sheet from being deformed.
- FIG. 1 is a schematic structural diagram of a strap resistor resistant to high current impact in an embodiment.
- FIG. 2 is a schematic structural view of the strap resistor with the side plate hidden in the embodiment of the high-current impact resistance.
- Fig. 3 is a structural schematic diagram of the mica separator of the ribbon resistor resistant to high current impact in the embodiment.
- Fig. 4 is a structural schematic diagram of an insulating seat of a strap resistor resistant to large current impact in an embodiment.
- FIG. 5 is a schematic structural view of the resistive sheet of the ribbon resistor resistant to large current impact in the embodiment.
- Resistor sheet 2 reinforcing rib 21, strip hole 22;
- Insulation seat 4 protrusion 41, groove 42;
- the high-current-shock-resistant band resistor of this embodiment includes two side plates 1 and four resistance units arranged vertically side by side, and each resistance unit includes a plurality of resistance units arranged side by side.
- the sheet 2 and the string bar 3 connecting multiple resistor sheets 2 in series, the two ends of the resistor sheet 2 are bent in opposite directions to realize sequential series connection, and the two ends of the string bar 3 are fixed to two side plates 1 respectively.
- the insulating bases 4 are made of mica or ceramic material, and the insulation
- the seat 4 has a protrusion 41 extending in the axial direction, and the resistance sheet 2 is set outside the protrusion 41 so that the resistance sheet 2 and the string rod 3 are separated by the protrusion 41.
- the insulating seat 4 is also provided with a protrusion 41
- the matching grooves 42 make a clamping structure with convex and concave interlocking in the axial direction formed between two adjacent insulating seats 4 .
- the resistor sheets 2 of two adjacent resistor units are connected in series through the connecting sheet 5 .
- each resistance sheet 2 is stamped with two semicircular arc-shaped reinforcing ribs 21, and a mica separator 6 is also provided between the two side plates 1, and the mica separator 6 is located between two adjacent resistance units, and the mica separator
- the two sides of the plate 6 are respectively provided with a plurality of limiting grooves 61, and the side portions of the resistor sheets 2 of two adjacent resistance units are embedded in the limiting grooves 61, and the groove walls of the limiting grooves 61 are against the sides of the resistor sheets 2.
- the mica separator 6 is provided in the band resistor resistant to large current shocks in this embodiment, the sides of the resistor sheets 2 of two adjacent resistance units are embedded in the limiting grooves of the mica separator 6 61, so in the process of use, even if the resistive sheet 2 has a tendency to deform close to each other under the impact of a large current, the mica separator 6 can also hinder its deformation, so it can avoid breakdown failure; moreover, the limiting groove 61 resists
- the rib 21 of the resistive sheet 2 can ensure the connection strength between the limiting groove 61 and the resistive sheet 2, prevent the deformation of the resistive sheet 2, and has the characteristics of resistance to vibration, high current impact and repeated impact.
- the ribs 21 of the resistance sheet 2 and the walls of the limiting groove 61 elastically interfere with each other, which is convenient for assembly and stable in installation.
- both ends of the resistance sheet 2 are provided with a long hole 22 for the protrusion 41 of the insulating seat 4 to pass through, and the long hole 22 is arranged along the length direction of the resistance sheet 2, so that the resistance sheet 2 is working After heating up, it can be thermally elongated and deformed in the direction of its own length, so as to prevent the middle part of the resistive sheet 2 from being arched and deformed.
- two connecting pieces 5 are provided at the place where two adjacent resistance units are connected in series.
- the semi-arc-shaped transition slots 51 are formed at the staggered positions of the resistance units, which are used to prevent current accumulation at the overlapping joints, thereby reducing the temperature at the overlapping joints.
- the side plate 1 is provided with a plurality of cooling holes 11 , and also has a first installation hole for the mica partition 6 to pass through and a second installation hole for the string rod 3 to pass through.
- the side plate 1 is an integral structure formed by integral stamping.
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- Details Of Resistors (AREA)
Abstract
The present invention relates to the technical field of loads, and particularly relates to a band-type resistor having large current surge resistance, which comprises side plates and a plurality of resistor units. Each resistor unit comprises a plurality of resistor sheets arranged in parallel and string rods which connect the plurality of resistor sheets in series; two ends of each string rod are respectively fixed to the two side plates; the string rod strings have a plurality of insulating seats for separating two adjacent resistor sheets; a protrusion extending in an axial direction is formed on each insulating seat; the resistor sheets are fitted outside the protrusions; reinforcing ribs are provided at the middle of each resistor sheet; mica partition plates are further arranged between the two side plates; each mica partition plate is located between two adjacent resistor units; a plurality of limiting slots are formed on the two sides of each mica partition plate, respectively; the side portions of the resistor sheets of the two adjacent resistor units are embedded into the limiting slots; slot walls of the limiting slots abut against the reinforcing ribs of the resistor sheets. In a use process, even if the resistor sheets are subjected to a tendency to deform due to a large current surge, the mica partition plates can also hinder the deformation of the resistor sheets, thereby avoiding a breakdown fault.
Description
本发明创造涉及负载技术领域，具体涉及一种抗大电流冲击的带式电阻器。The invention relates to the technical field of loads, in particular to a band resistor resistant to large current impact.
传统技术中的制动电阻器，一般包括多块片状的电阻片，多块电阻片的端部之处依次串联固定，结合用于阻隔绝缘的云母环和串杆等组件，组成所需阻值的电阻器。电阻器并排的多块电阻片中，工作时相邻两块电阻片的电流相反，在大电流冲击情况下，两电阻片容易吸合击穿，导致发生故障。Braking resistors in the traditional technology generally include multiple sheet-like resistors, and the ends of the multiple resistors are fixed in series in sequence, combined with components such as mica rings and string rods used to block insulation, to form the required resistance. value resistors. Among multiple resistors arranged side by side, the currents of two adjacent resistors are opposite during operation. Under the condition of high current impact, the two resistors are easy to attract and break down, resulting in failure.
电阻器并排的多块电阻片中，工作时相邻两块电阻片的电流相反，在大电流冲击情况下，两电阻片容易吸合击穿，导致发生故障。Among multiple resistors arranged side by side, the currents of two adjacent resistors are opposite during operation. Under the condition of high current impact, the two resistors are easy to attract and break down, resulting in failure.
针对现有技术存在上述技术问题，本发明创造提供一种结构稳定，能够避免击穿故障的抗大电流冲击的带式电阻器。Aiming at the above-mentioned technical problems in the prior art, the present invention provides a band resistor with stable structure and high current impact resistance that can avoid breakdown faults.
为实现上述目的，本发明创造提供以下技术方案：To achieve the above object, the present invention provides the following technical solutions:
提供一种抗大电流冲击的带式电阻器，包括两块侧板和多个电阻单元，每个电阻单元包括并列的相互电连接的多块电阻片和把多块电阻片串起来的串杆，串杆的两端部分别固定于两块侧板；串杆串有多个绝缘座用于使多块电阻片之间分隔；绝缘座沿轴向延伸有凸起，电阻片套在凸起外从而使得电阻片与串杆之间被所述凸起隔开；绝缘座还设置有与凸起相适配的凹槽，以使得相邻两个绝缘座之间形成在轴向上凸凹相嵌的卡紧结构；多个电阻单元并排分隔布置，且通过衔接片电连接；电阻片的中部冲压成型有半圆弧状的加强筋，两块侧板之间还设有云母隔板，云母隔板位于相邻两个电阻单元之间，云母隔板的两侧部分别开有多个限位槽，相邻两个电阻单元的电阻片的侧部嵌入限位槽中，且限位槽的槽壁抵住电阻片的加强筋。Provide a strap resistor resistant to large current impact, including two side plates and a plurality of resistance units, each resistance unit includes a plurality of parallel resistance sheets electrically connected to each other and a string bar connecting the plurality of resistance sheets in series , the two ends of the string rod are respectively fixed on the two side plates; the string rod is connected with a plurality of insulating seats to separate the multiple resistors; Outside, the resistance sheet and the string rod are separated by the protrusion; the insulating seat is also provided with a groove that matches the protrusion, so that an axially convex-concave phase is formed between two adjacent insulating seats. Embedded clamping structure; multiple resistance units are separated and arranged side by side, and are electrically connected through the connecting piece; the middle part of the resistance piece is stamped with a semi-arc-shaped reinforcing rib, and there is also a mica partition between the two side plates, and the mica partition Located between two adjacent resistance units, the two sides of the mica separator are respectively provided with a plurality of limiting grooves, and the sides of the resistance sheets of the two adjacent resistance units are embedded in the limiting grooves, and the grooves of the limiting grooves The wall is against the ribs of the resistor strip.
优选的，电阻片的加强筋与限位槽的槽壁之间弹性地过盈配合。Preferably, the reinforcing rib of the resistance plate is elastically interference-fitted with the groove wall of the limiting groove.
优选的，电阻片的两端部开有供绝缘座的凸起穿过的长条孔，长条孔沿电阻片的长度方向布置。Preferably, both ends of the resistance sheet are provided with long holes for the protrusions of the insulating seat to pass through, and the long holes are arranged along the length direction of the resistance sheet.
优选的，衔接片的两端部分别连接相邻两个电阻单元，且衔接片的中部与电阻单元错开的位置开有过渡槽。Preferably, both ends of the connecting piece are respectively connected to two adjacent resistance units, and transition slots are formed in the middle of the connecting piece at positions staggered from the resistance units.
优选的，过渡槽呈半圆弧状。Preferably, the transition groove is in the shape of a semicircle.
优选的，侧板开有多个散热孔。Preferably, the side plate is provided with a plurality of cooling holes.
优选的，侧板开有供云母隔板穿过的第一安装孔和供串杆穿过的第二安装孔。Preferably, the side plate is provided with a first installation hole through which the mica partition passes and a second installation hole through which the string rod passes.
本发明创造的抗大电流冲击的带式电阻器，与现有技术相比，由于设置了云母隔板，相邻两个电阻单元的电阻片的侧部嵌入云母隔板的限位槽中，因此在使用过程中，即使电阻片受到大电流冲击有变形的趋势，云母隔板也能够阻碍其变形，因此能够避免被击穿故障；再者，限位槽抵住电阻片的加强筋部位，能够确保限位槽与电阻片之间的连接强度，防止电阻片变形。Compared with the prior art, the high current shock-resistant band resistor created by the present invention is equipped with a mica partition, and the side parts of the resistance sheets of two adjacent resistance units are embedded in the limiting grooves of the mica partition. Therefore, in the process of use, even if the resistive sheet has a tendency to deform under the impact of a large current, the mica separator can prevent its deformation, so it can avoid breakdown failure; moreover, the limiting groove is against the rib of the resistive sheet, It can ensure the connection strength between the limiting groove and the resistor sheet, and prevent the resistor sheet from being deformed.
图1为实施例中的抗大电流冲击的带式电阻器的结构示意图。FIG. 1 is a schematic structural diagram of a strap resistor resistant to high current impact in an embodiment.
图2为实施例中的抗大电流冲击的带式电阻器的隐藏了侧板后的结构示意图。FIG. 2 is a schematic structural view of the strap resistor with the side plate hidden in the embodiment of the high-current impact resistance.
图3为实施例中的抗大电流冲击的带式电阻器的云母隔板的结构示意图。Fig. 3 is a structural schematic diagram of the mica separator of the ribbon resistor resistant to high current impact in the embodiment.
图4为实施例中的抗大电流冲击的带式电阻器的绝缘座的结构示意图。Fig. 4 is a structural schematic diagram of an insulating seat of a strap resistor resistant to large current impact in an embodiment.
图5为实施例中的抗大电流冲击的带式电阻器的电阻片的结构示意图。FIG. 5 is a schematic structural view of the resistive sheet of the ribbon resistor resistant to large current impact in the embodiment.
附图标记：Reference signs:
侧板1、散热孔11；Side plate 1, cooling holes 11;
电阻片2、加强筋21、长条孔22；Resistor sheet 2, reinforcing rib 21, strip hole 22;
串杆3；Skewer 3;
绝缘座4、凸起41、凹槽42；Insulation seat 4, protrusion 41, groove 42;
衔接片5、过渡槽51；Connecting piece 5, transition groove 51;
云母隔板6、限位槽61。Mica dividing plate 6, limit groove 61.
以下结合具体实施例及附图对本发明创造进行详细说明。The invention will be described in detail below in conjunction with specific embodiments and accompanying drawings.
本实施例的抗大电流冲击的带式电阻器，如图1至图5所示，包括两块侧板1和纵向并排分隔布置的四个电阻单元，每个电阻单元包括多块并列的电阻片2和把多块电阻片2串起来的串杆3，电阻片2的两端部朝相反方向折弯，实现依次串联，串杆3的两端部分别固定于两块侧板1。串杆3串有多个绝缘座4用于使多块电阻片2之间分隔（具体是指电阻片的同侧相邻两个串联触点分隔），绝缘座4采用云母或陶瓷材质，绝缘座4沿轴向延伸有凸起41，电阻片2套在凸起41外从而使得电阻片2与串杆3之间被所述凸起41隔开，绝缘座4还设置有与凸起41相适配的凹槽42，以使得相邻两个绝缘座4之间形成在轴向上凸凹相嵌的卡紧结构。相邻两个电阻单元的电阻片2通过衔接片5串联起来。每个电阻片2的中部冲压成型有两个半圆弧状的加强筋21，两块侧板1之间还设有云母隔板6，云母隔板6位于相邻两个电阻单元之间，云母隔板6的两侧部分别开有多个限位槽61，相邻两个电阻单元的电阻片2的侧部嵌入限位槽61中，且限位槽61的槽壁抵住电阻片2的加强筋21。The high-current-shock-resistant band resistor of this embodiment, as shown in Figures 1 to 5, includes two side plates 1 and four resistance units arranged vertically side by side, and each resistance unit includes a plurality of resistance units arranged side by side. The sheet 2 and the string bar 3 connecting multiple resistor sheets 2 in series, the two ends of the resistor sheet 2 are bent in opposite directions to realize sequential series connection, and the two ends of the string bar 3 are fixed to two side plates 1 respectively. There are a plurality of insulating bases 4 in the string of 3 strings to separate multiple resistors 2 (specifically, the separation of two adjacent series contacts on the same side of the resistors). The insulating bases 4 are made of mica or ceramic material, and the insulation The seat 4 has a protrusion 41 extending in the axial direction, and the resistance sheet 2 is set outside the protrusion 41 so that the resistance sheet 2 and the string rod 3 are separated by the protrusion 41. The insulating seat 4 is also provided with a protrusion 41 The matching grooves 42 make a clamping structure with convex and concave interlocking in the axial direction formed between two adjacent insulating seats 4 . The resistor sheets 2 of two adjacent resistor units are connected in series through the connecting sheet 5 . The middle part of each resistance sheet 2 is stamped with two semicircular arc-shaped reinforcing ribs 21, and a mica separator 6 is also provided between the two side plates 1, and the mica separator 6 is located between two adjacent resistance units, and the mica separator The two sides of the plate 6 are respectively provided with a plurality of limiting grooves 61, and the side portions of the resistor sheets 2 of two adjacent resistance units are embedded in the limiting grooves 61, and the groove walls of the limiting grooves 61 are against the sides of the resistor sheets 2. Rib 21.
与现有技术相比，本实施例的抗大电流冲击的带式电阻器由于设置了云母隔板6，相邻两个电阻单元的电阻片2的侧部嵌入云母隔板6的限位槽61中，因此在使用过程中，即使电阻片2受到大电流冲击有相互靠近变形的趋势，云母隔板6也能够阻碍其变形，因此能够避免被击穿故障；再者，限位槽61抵住电阻片2的加强筋21部位，能够确保限位槽61与电阻片2之间的连接强度，防止电阻片2变形，具有耐振动，耐大电流冲击，反复冲击特点。Compared with the prior art, since the mica separator 6 is provided in the band resistor resistant to large current shocks in this embodiment, the sides of the resistor sheets 2 of two adjacent resistance units are embedded in the limiting grooves of the mica separator 6 61, so in the process of use, even if the resistive sheet 2 has a tendency to deform close to each other under the impact of a large current, the mica separator 6 can also hinder its deformation, so it can avoid breakdown failure; moreover, the limiting groove 61 resists The rib 21 of the resistive sheet 2 can ensure the connection strength between the limiting groove 61 and the resistive sheet 2, prevent the deformation of the resistive sheet 2, and has the characteristics of resistance to vibration, high current impact and repeated impact.
本实施例中，电阻片2的加强筋21与限位槽61的槽壁之间弹性地过盈配合，便于装配，且安装稳定。In this embodiment, the ribs 21 of the resistance sheet 2 and the walls of the limiting groove 61 elastically interfere with each other, which is convenient for assembly and stable in installation.
本实施例中，电阻片2的两端部开有供绝缘座4的凸起41穿过的长条孔22，长条孔22沿电阻片2的长度方向布置，以使得电阻片2在工作升温后，能够朝自身长度方向热伸长变形，避免电阻片2中部拱起变形。In this embodiment, both ends of the resistance sheet 2 are provided with a long hole 22 for the protrusion 41 of the insulating seat 4 to pass through, and the long hole 22 is arranged along the length direction of the resistance sheet 2, so that the resistance sheet 2 is working After heating up, it can be thermally elongated and deformed in the direction of its own length, so as to prevent the middle part of the resistive sheet 2 from being arched and deformed.
本实施例中，相邻两个电阻单元的串联之处设有两片衔接片5，衔接片5的两端部分别连接相邻两个电阻单元的电阻片2，且衔接片5的中部与电阻单元错开的位置开有呈半圆弧状的过渡槽51，其作用是防止搭接处电流集聚，从而降低搭接处温度。In this embodiment, two connecting pieces 5 are provided at the place where two adjacent resistance units are connected in series. The semi-arc-shaped transition slots 51 are formed at the staggered positions of the resistance units, which are used to prevent current accumulation at the overlapping joints, thereby reducing the temperature at the overlapping joints.
本实施例中，侧板1开有多个散热孔11，还开有供云母隔板6穿过的第一安装孔和供串杆3穿过的第二安装孔。侧板1为整体冲压成型的一体结构。In this embodiment, the side plate 1 is provided with a plurality of cooling holes 11 , and also has a first installation hole for the mica partition 6 to pass through and a second installation hole for the string rod 3 to pass through. The side plate 1 is an integral structure formed by integral stamping.
最后应当说明的是，以上实施例仅用以说明本发明创造的技术方案，而非对本发明创造保护范围的限制，尽管参照较佳实施例对本发明创造作了详细地说明，本领域的普通技术人员应当理解，可以对本发明创造的技术方案进行修改或者等同替换，而不脱离本发明创造技术方案的实质和范围。Finally, it should be noted that the above examples are only used to illustrate the technical solutions of the present invention, rather than to limit the protection scope of the present invention. Although the present invention has been described in detail with reference to the preferred embodiments, those skilled in the art Personnel should understand that the technical solution of the present invention can be modified or equivalently replaced without departing from the essence and scope of the technical solution of the present invention.
Claims (7)
- 一种抗大电流冲击的带式电阻器，包括两块侧板和多个电阻单元，每个电阻单元包括并列的相互电连接的多块电阻片和把多块电阻片串起来的串杆，串杆的两端部分别固定于两块侧板；串杆串有多个绝缘座用于使多块电阻片之间分隔；绝缘座沿轴向延伸有凸起，电阻片套在凸起外从而使得电阻片与串杆之间被所述凸起隔开；绝缘座还设置有与凸起相适配的凹槽，以使得相邻两个绝缘座之间形成在轴向上凸凹相嵌的卡紧结构；多个电阻单元并排分隔布置，且通过衔接片电连接；其特征是：电阻片的中部冲压成型有半圆弧状的加强筋，两块侧板之间还设有云母隔板，云母隔板位于相邻两个电阻单元之间，云母隔板的两侧部分别开有多个限位槽，相邻两个电阻单元的电阻片的侧部嵌入限位槽中，且限位槽的槽壁抵住电阻片的加强筋。A ribbon resistor resistant to large current shocks, including two side plates and a plurality of resistance units, each resistance unit includes a plurality of parallel resistance sheets electrically connected to each other and a string bar connecting the plurality of resistance sheets in series, The two ends of the string rod are respectively fixed on the two side plates; the string rod is connected with a plurality of insulating seats for separating multiple resistance sheets; the insulating seat has protrusions extending along the axial direction, and the resistance sheets are set outside the protrusions Thus, the resistor sheet and the string rod are separated by the protrusion; the insulating seat is also provided with a groove that matches the protrusion, so that an axially convex-convex interlocking is formed between two adjacent insulating seats. The clamping structure; multiple resistance units are separated and arranged side by side, and are electrically connected through the connecting piece; the characteristics are: the middle part of the resistance piece is stamped with a semi-arc-shaped reinforcing rib, and there is a mica partition between the two side plates. The mica partition is located between two adjacent resistance units, and the two sides of the mica partition are respectively provided with a plurality of limiting grooves, and the side parts of the resistor sheets of the two adjacent resistance units are embedded in the limiting grooves, and the limiting grooves The groove wall of the groove is against the reinforcing rib of the resistor sheet.
- 根据权利要求1所述的一种抗大电流冲击的带式电阻器，其特征是：电阻片的加强筋与限位槽的槽壁之间弹性地过盈配合。According to claim 1, a band resistor resistant to high current impact is characterized in that: the reinforcing rib of the resistor plate and the groove wall of the limiting groove are elastically interfering with each other.
- 根据权利要求1所述的一种抗大电流冲击的带式电阻器，其特征是：电阻片的两端部开有供绝缘座的凸起穿过的长条孔，长条孔沿电阻片的长度方向布置。According to claim 1, a strip resistor resistant to large current impact is characterized in that: the two ends of the resistance sheet are provided with long holes for the protrusions of the insulating seat to pass through, and the long holes are along the length of the resistance sheet. arranged in the length direction.
- 根据权利要求1所述的一种抗大电流冲击的带式电阻器，其特征是：衔接片的两端部分别连接相邻两个电阻单元，且衔接片的中部与电阻单元错开的位置开有过渡槽。According to claim 1, a strip resistor resistant to large current impact, characterized in that: the two ends of the connecting piece are respectively connected to two adjacent resistance units, and the middle part of the connecting piece is separated from the position of the resistance unit. There are transition slots.
- 根据权利要求4所述的一种抗大电流冲击的带式电阻器，其特征是：过渡槽呈半圆弧状。According to claim 4, a band resistor with high current impact resistance is characterized in that: the transition groove is in the shape of a semicircle.
- 根据权利要求1所述的一种抗大电流冲击的带式电阻器，其特征是：侧板开有多个散热孔。According to claim 1, a band resistor with high current impact resistance is characterized in that: the side plate is provided with a plurality of cooling holes.
- 根据权利要求1所述的一种抗大电流冲击的带式电阻器，其特征是：侧板开有供云母隔板穿过的第一安装孔和供串杆穿过的第二安装孔。According to claim 1, a band resistor resistant to high current impact is characterized in that: the side plate is provided with a first installation hole for mica partitions to pass through and a second installation hole for string rods to pass through.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121245756.4U CN215731139U (en) | 2021-06-04 | 2021-06-04 | Belt resistor resistant to large current impact |
| CN202121245756.4 | 2021-06-04 |
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| Publication Number | Publication Date |
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| WO2022252538A1 true WO2022252538A1 (en) | 2022-12-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/CN2021/136133 WO2022252538A1 (en) | 2021-06-04 | 2021-12-07 | Band-type resistor having large current surge resistance |
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| Country | Link |
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| CN (1) | CN215731139U (en) |
| WO (1) | WO2022252538A1 (en) |
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| CN115274233B (en) * | 2022-08-24 | 2024-05-24 | 广东福德电子有限公司 | Impact-resistant ribbon resistor |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202196630U (en) * | 2011-08-03 | 2012-04-18 | 四川永星电子有限公司 | Mica clamping bar of stainless steel chip resistor |
| CN206274474U (en) * | 2016-11-24 | 2017-06-23 | 广东福德电子有限公司 | A kind of anti-adhesive resistor |
| CN109659103A (en) * | 2018-12-29 | 2019-04-19 | 湖南福德电气有限公司 | A kind of assembly type ribbon resistor |
| CN209591699U (en) * | 2018-12-29 | 2019-11-05 | 湖南福德电气有限公司 | A kind of locomotive brake resistor |
-
2021
- 2021-06-04 CN CN202121245756.4U patent/CN215731139U/en active Active
- 2021-12-07 WO PCT/CN2021/136133 patent/WO2022252538A1/en active Application Filing
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202196630U (en) * | 2011-08-03 | 2012-04-18 | 四川永星电子有限公司 | Mica clamping bar of stainless steel chip resistor |
| CN206274474U (en) * | 2016-11-24 | 2017-06-23 | 广东福德电子有限公司 | A kind of anti-adhesive resistor |
| CN109659103A (en) * | 2018-12-29 | 2019-04-19 | 湖南福德电气有限公司 | A kind of assembly type ribbon resistor |
| CN209591699U (en) * | 2018-12-29 | 2019-11-05 | 湖南福德电气有限公司 | A kind of locomotive brake resistor |
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