CN112635140A - High-power high-pulse energy-absorbing resistor - Google Patents
High-power high-pulse energy-absorbing resistor Download PDFInfo
- Publication number
- CN112635140A CN112635140A CN202011506019.5A CN202011506019A CN112635140A CN 112635140 A CN112635140 A CN 112635140A CN 202011506019 A CN202011506019 A CN 202011506019A CN 112635140 A CN112635140 A CN 112635140A
- Authority
- CN
- China
- Prior art keywords
- metal shell
- resistor
- pulse energy
- electrode plate
- electrically connected
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000002184 metal Substances 0.000 claims abstract description 72
- 239000003292 glue Substances 0.000 claims abstract description 15
- 230000017525 heat dissipation Effects 0.000 abstract description 4
- 238000010521 absorption reaction Methods 0.000 description 5
- 239000000919 ceramic Substances 0.000 description 4
- 239000000956 alloy Substances 0.000 description 3
- 229910045601 alloy Inorganic materials 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000004804 winding Methods 0.000 description 3
- 230000015556 catabolic process Effects 0.000 description 2
- 239000006096 absorbing agent Substances 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01C—RESISTORS
- H01C1/00—Details
- H01C1/02—Housing; Enclosing; Embedding; Filling the housing or enclosure
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01C—RESISTORS
- H01C1/00—Details
- H01C1/01—Mounting; Supporting
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01C—RESISTORS
- H01C1/00—Details
- H01C1/08—Cooling, heating or ventilating arrangements
- H01C1/084—Cooling, heating or ventilating arrangements using self-cooling, e.g. fins, heat sinks
Landscapes
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Details Of Resistors (AREA)
Abstract
The application discloses high-power high pulse energy-absorbing resistor, it includes: the resistor disc is arranged in a roll shape and is provided with a plurality of turns, and gaps are formed between adjacent turns of the resistor disc; the resistance chip is arranged in the metal shell, and the metal shell is electrically connected with one end of the resistance chip; the electrode plate is arranged at the opening of the metal shell and is electrically connected with the other end of the resistance chip; and the insulating heat-conducting glue is filled in the metal shell. The high-power high-pulse energy-absorbing resistor has good heat dissipation performance and can bear higher pulse current.
Description
Technical Field
The application relates to the field of electronic components, in particular to a high-power high-pulse energy-absorbing resistor.
Background
The pulse energy-absorbing resistor is mainly used in the fields of ballasts, amplifiers, power supplies and the like, mainly plays a role of resisting electric shock, and can bear larger pulse current in a short time. At present, the energy-absorbing resistor is mostly made in a winding mode, a special winding with strong electric shock resistance is used, leads at two ends are led out, and meanwhile, the surface of the winding is coated with an insulating material. However, after the resistor is repeatedly used for many times, heat accumulation is easily caused due to the influence of self inductance and the limitation of heat capacity, and meanwhile, the intensive concentration of the coils wound with each other is not favorable for heat dissipation, so that the resistor has the risk of burning.
Disclosure of Invention
The present application is directed to solving at least one of the problems in the prior art. Therefore, the high-power high-pulse energy-absorbing resistor is provided, the heat dissipation performance is good, and the resistor can bear higher pulse current.
A high power high pulse energy absorption resistor according to an embodiment of the present application includes: the resistor disc is arranged in a roll shape and provided with a plurality of turns, and gaps are formed between adjacent turns of the resistor disc; the metal shell is provided with an opening at one side, the resistor disc is arranged in the metal shell, and the metal shell is electrically connected with one end of the resistor disc; the electrode plate is arranged at the opening of the metal shell and is electrically connected with the other end of the resistance chip; and the insulating heat-conducting glue is poured into the metal shell.
The high-power high-pulse energy-absorbing resistor according to the embodiment of the application has at least the following beneficial effects: gaps are arranged between the resistance sheets of adjacent turns, so that two side surfaces of each turn of resistance sheet can be used as heat dissipation surfaces; the insulating heat-conducting glue is poured into the metal shell, so that the insulating heat-conducting glue can be fully contacted with the resistance card and the metal shell, when the resistance card works, the insulating heat-conducting glue can avoid the phenomenon of breakdown between adjacent turns of the resistance card, and meanwhile, heat can be better transferred, so that the heat can be quickly transferred to the metal shell; the shell made of metal can further conduct and dissipate heat.
According to some embodiments of the present application, a plurality of first insulating supports are disposed between the resistive sheet and the metal housing.
According to some embodiments of the application, the outer side end of the resistance sheet is electrically connected with the inner side wall of the metal shell, and the inner side end of the resistance sheet is electrically connected with the electrode sheet.
According to some embodiments of the present application, a see-through hole is provided on the electrode sheet.
According to some embodiments of the application, the bottom outside of the metal shell is provided with a first connector, and the outside of the electrode plate is provided with a second connector.
According to some embodiments of the present application, an end of one of the first and second connection members is provided with a connection hole, and the other of the first and second connection members is provided in a cylindrical shape and has an outer diameter identical to an inner diameter of the connection hole.
According to some embodiments of the application, a second insulating support is arranged in the middle of the resistor disc, one end of the second insulating support abuts against the bottom of the metal shell, and the other end of the second insulating support abuts against the end face of the electrode plate.
Additional aspects and advantages of the present application 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 present application.
Drawings
The above and/or additional aspects and advantages of the present application will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
FIG. 1 is a schematic diagram of a high power high pulse energy absorption resistor according to an embodiment of the present application;
FIG. 2 is an exploded view of a high power high pulse energy absorber resistor according to an embodiment of the present application;
FIG. 3 is a schematic diagram of an internal structure of a high power high pulse energy absorption resistor according to an embodiment of the present application;
fig. 4 is a schematic diagram of a resistor sheet of the high power high pulse energy absorption resistor according to the embodiment of the present application.
Reference numerals:
a resistive sheet 100, an outboard end 110, an inboard end 120,
A metal housing 200, a first connecting member 210,
An electrode plate 300, a perspective hole 310, a second connector 320, a connection hole 321,
A first insulating support 400,
And a second insulating support 500.
Detailed Description
Reference will now be made in detail to embodiments of the present application, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present application and are not to be construed as limiting the present application.
In the description of the present application, it is to be understood that the positional descriptions, such as the directions of up, down, front, rear, left, right, etc., referred to herein are based on the directions or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, and do not indicate or imply that the referred device or element must have a specific direction, be constructed and operated in a specific direction, and thus, should not be construed as limiting the present application.
In the description of the present application, the meaning of a plurality is one or more, the meaning of a plurality is two or more, and larger, smaller, larger, etc. are understood as excluding the present number, and larger, smaller, inner, etc. are understood as including the present number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.
In the description of the present application, unless otherwise expressly limited, terms such as set, mounted, connected and the like should be construed broadly, and those skilled in the art can reasonably determine the specific meaning of the terms in the present application by combining the detailed contents of the technical solutions.
Referring to fig. 1 and 2, according to some embodiments of the present application, a high power and high pulse energy absorption resistor includes a resistor sheet 100, a metal case 200, an electrode sheet 300, and an insulating heat conductive paste. The metal housing 200 has a receiving cavity therein, and one side of the metal housing 200 is open, and the resistance chip 100 is placed in the receiving cavity. The electrode plate 300 is used for communicating the resistance card 100 with an external circuit, and the electrode plate 300 is arranged at an opening of the metal shell 200. The resistance chip 100 is made of alloy resistance and is made into a coil shape with a plurality of turns, a certain gap is formed between the resistance chips 100 of adjacent turns, the gaps on two sides of the resistance chip 100 of adjacent turns are the same in size, and two ends of the resistance chip 100 are respectively electrically connected with the metal shell 200 and the electrode plate 300. Insulating heat-conducting glue is poured into the metal shell 200, and is filled between gaps of the resistance chip 100 and between the resistance chip 100 and the metal shell 200 and the electrode plate 300, so that only two ends of the resistance chip 100 can be respectively electrically connected with the metal shell 200 and the electrode plate 300, other parts of the resistance chip 100 are kept in an insulating state with the metal shell 200 and the electrode plate 300, and the resistor can be prevented from being broken down. Meanwhile, the resistor is filled with the insulating heat-conducting glue, so that the internal space of the resistor can be utilized to the maximum degree to conduct heat, and the heat conduction efficiency is maximized. The insulating heat-conducting glue further conducts heat emitted from the resistor disc 100 to the metal shell 200, and then the heat is emitted through the metal shell 200.
By pouring the insulating heat-conducting glue, the heat generated by the resistance chip 100 can be better conducted to the metal shell 200; by arranging the resistance card 100 into a roll shape, the resistor has a larger resistance value in unit volume, and meanwhile, the contact area between the resistance card 100 and the insulating heat-conducting glue can be maximized, and the heat conduction efficiency of the resistance card 100 is improved.
Referring to fig. 2 and 3, according to some embodiments of the present application, a number of first insulating supports 400 are disposed between the resistive sheet 100 and the metal housing 200. The first insulating support 400 is provided to fixedly support the resistor disc 100 inside the metal case 200, so that the resistor disc 100 cannot shake inside the metal case 200, and the contact between the resistor disc 100 and the metal case 200 except for the connection end is avoided. A first insulating support 400 is provided between the inner bottom surface of the metal case 200 and the resistive sheet 100, and a first insulating support 400 is also provided between the inner side surface of the metal case 200 and the resistive sheet 100. The first insulating support 400 may be a ceramic base rod according to practical circumstances.
Referring to fig. 2, according to some embodiments of the present application, the outer end 110 of the resistive sheet 100 is electrically connected to the inner sidewall of the metal case 200, and the inner end 120 of the resistive sheet 100 is electrically connected to the electrode tab 300. Since the resistive sheet 100 is provided in a roll shape, both ends of the resistive sheet 100 are located at the inner axial center and the outer edge thereof, respectively. According to actual conditions, the outer end portion 110 of the resistance card 100 and the inner side wall of the metal shell 200 can be welded together, the inner end portion of the resistance card 100 and the electrode plate 300 can be welded together, and through the arrangement, the resistance card 100 can be electrically connected with the metal shell 200 and the electrode plate 300 conveniently.
Referring to fig. 2, according to some embodiments of the present application, a see-through hole 310 is provided on the electrode sheet 300. The advantage of providing the see-through hole 310 is that the inside of the metal shell 200 can be observed when the electrode plate 300 is installed, and the influence of the installation of the electrode plate 300 on the internal structure of the metal shell 200 is avoided.
Referring to fig. 1 and 2, according to some embodiments of the present application, a first connector 210 is provided at the bottom outside of the metal case 300, and a second connector 320 is provided at the outside of the electrode sheet 300. Through the arrangement of the first connecting piece 210 and the second connecting piece 320, the first connecting piece 210 is electrically connected with the metal shell 200, the second connecting piece 320 is electrically connected with the electrode plate 300, and the first connecting piece 210 and the second connecting piece 320 are respectively arranged on two side surfaces of the whole resistor, so that the resistor is conveniently and electrically connected with an external circuit.
Referring to fig. 2, according to some embodiments of the present application, an end of one of the first and second connection members 210 and 320 is provided with a connection hole 321, and the other of the first and second connection members 210 and 320 is provided in a cylindrical shape and has an outer diameter identical to an inner diameter of the connection hole 321. One connecting piece is set to be cylindrical, a connecting hole 321 is formed in the end face of the other connecting piece, the inner diameter of the connecting hole 321 is the same as the outer diameter of the cylindrical connecting piece, and the cylindrical connecting piece and the connecting hole 321 can form hole-shaft matching. By so doing, it is possible to provide the external line also with the connection hole 321 and the cylindrical connection member having the same size, so that the resistor is easily electrically connected with the external line; meanwhile, according to the actual requirement, a plurality of same resistors can be connected in series by using two connecting pieces. According to the actual situation, the two connecting pieces can be connected in a plugging or threaded manner.
Referring to fig. 2, according to some embodiments of the present application, a second insulating support 500 is disposed in the middle of the resistive sheet 100, one end of the second insulating support 500 abuts against the bottom of the metal housing 200, and the other end of the second insulating support 500 abuts against an end surface of the electrode sheet 300. The second insulating support 500 is disposed at the center of the middle axis of the rolled resistor sheet 100, one end of the second insulating support 500 is abutted against the bottom of the metal case 200, and the other end of the second insulating support 500 is abutted against the end face of the electrode sheet 300, so that the second insulating support 500 can support the electrode sheet 300.
Referring to fig. 1 to 3, a high power high pulse energy absorbing resistor according to an embodiment of the present application is described in detail as a specific embodiment, and it should be understood that the following description is only exemplary and not a specific limitation of the present application.
The high-power high-pulse energy-absorbing resistor comprises a resistor disc 100, a metal shell 200, an electrode plate 300, a ceramic base rod, a second insulating support 500, a first connecting piece 210 and a second connecting piece 320.
The resistance card 100 is made of alloy resistance, the alloy resistance is made into a coil shape with a plurality of turns, a certain gap is formed between the resistance cards 100 of adjacent turns, and the size of the gap between the adjacent turns of the resistance cards 100 is the same.
The metal shell 200 is provided as a cylindrical case having a receiving cavity, and one end face of the metal shell 200 is provided to be open. A second insulating support 500 is arranged at the axial center of the resistance card 100, the resistance card 100 and the second insulating support 500 are placed together inside the metal shell 200, and the electrode plate 300 is arranged at the opening of the metal shell 200. The electrode plate 300 is provided with a plurality of rectangular see-through holes 310, and the resistance card 100 is electrically connected with the electrode plate 300. The outer end 110 of the resistive sheet 100 is fixedly connected with the inner side wall of the metal shell 200 by welding, so that the resistive sheet 100 and the metal shell 200 are electrically connected. A plurality of ceramic base rods are further laid on the inner side wall and the inner bottom surface of the metal shell 200, the ceramic base rods fixedly support the resistor disc 100 in the middle of the metal shell 200, and meanwhile, the insulating state is kept between the part of the resistor disc 100 except the outer end 110 and the insulating substrate, and the situation that breakdown occurs inside the resistor is avoided.
The metal shell 200 is filled with insulating heat-conducting glue, so that insulating heat-conducting glue is filled between different turns of the resistance card 100 and between the resistance card 100 and the metal shell 200, the resistance card 100 is fixed and cannot shake, meanwhile, the heat of the resistance card 100 is transferred to the metal shell 200 by utilizing the heat-conducting property of the resistance card, and then the heat is emitted out through the metal shell 200.
The first connector 210 and the second connector 320 are provided as rod members, and through holes are provided at the bottom of the metal case 200 and the center of the bottom of the electrode plate 300, so that the first connector 210 and the second connector 320 respectively penetrate through the metal case 200 and the electrode plate 300, and the first connector 210 and the metal case 200 are fixedly connected, and the second connector 320 and the electrode plate 300 are fixedly connected, to realize the electrical connection of the first connector 210 and the metal case 200, and the electrical connection of the second connector 320 and the electrode plate 300. A connecting hole 321 is formed in the end face of the second connecting piece 320, which is located at one end of the outer side of the electrode plate 300, and an internal thread is formed in the connecting hole 321; the first connecting member 210 is provided in a cylindrical shape, and the sidewall thereof is provided with an external thread, and the external thread of the first connecting member 210 has a size capable of being fitted with the internal thread of the second connecting member 320.
According to the high-power high-pulse energy-absorbing resistor, at least some effects can be achieved as follows: by pouring the insulating heat-conducting glue, the heat generated by the resistance chip 100 can be better conducted to the metal shell 200; through setting resistance card 100 to the scroll-like, when making the resistor have great resistance in unit volume, can make resistance card 100 and insulating heat-conducting glue's area of contact maximize, improve resistance card 100's heat-conduction efficiency, make the resistor have better heat dispersion, can avoid the high temperature of resistor to lead to the resistor to burn out.
The embodiments of the present application have been described in detail with reference to the drawings, but the present application is not limited to the embodiments, and various changes can be made within the knowledge of those skilled in the art without departing from the gist of the present application.
Claims (7)
1. A high power high pulse energy absorbing resistor, comprising:
the resistor disc is arranged in a roll shape and provided with a plurality of turns, and gaps are formed between adjacent turns of the resistor disc;
the metal shell is provided with an opening at one side, the resistor disc is arranged in the metal shell, and the metal shell is electrically connected with one end of the resistor disc;
the electrode plate is arranged at the opening of the metal shell and is electrically connected with the other end of the resistance chip;
and the insulating heat-conducting glue is poured into the metal shell.
2. The high power high pulse energy absorbing resistor according to claim 1, wherein a plurality of first insulating support members are arranged between the resistor disc and the metal shell.
3. The high power high pulse energy absorbing resistor according to claim 1, wherein the outer end of the resistor disc is electrically connected with the inner side wall of the metal shell, and the inner end of the resistor disc is electrically connected with the electrode plate.
4. The high power high pulse energy absorbing resistor according to claim 1, wherein a perspective hole is formed on the electrode sheet.
5. The high-power high-pulse energy-absorbing resistor according to claim 1, wherein a first connecting piece is arranged on the outer side of the bottom of the metal shell, and a second connecting piece is arranged on the outer side of the electrode plate.
6. The high power high pulse energy absorbing resistor according to claim 5, wherein one of the first and second connecting members is provided at an end thereof with a connecting hole, and the other of the first and second connecting members is provided in a columnar shape and has an outer diameter identical to an inner diameter of the connecting hole.
7. The high-power high-pulse energy-absorbing resistor according to claim 1, wherein a second insulating support is disposed in the middle of the resistor disc, one end of the second insulating support abuts against the bottom of the metal shell, and the other end of the second insulating support abuts against the end face of the electrode plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011506019.5A CN112635140A (en) | 2020-12-18 | 2020-12-18 | High-power high-pulse energy-absorbing resistor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011506019.5A CN112635140A (en) | 2020-12-18 | 2020-12-18 | High-power high-pulse energy-absorbing resistor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112635140A true CN112635140A (en) | 2021-04-09 |
Family
ID=75317224
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011506019.5A Pending CN112635140A (en) | 2020-12-18 | 2020-12-18 | High-power high-pulse energy-absorbing resistor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112635140A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB191417329A (en) * | 1914-07-21 | 1915-08-23 | Arthur Francis Berry | Improvements in or relating to Electrical Heating Apparatus. |
| CN103730221A (en) * | 2013-12-26 | 2014-04-16 | 广西新未来信息产业股份有限公司 | Super capacitance/voltage-sensing resistor |
| CN204884730U (en) * | 2015-07-23 | 2015-12-16 | 成都森泉环保设备技术有限公司 | Metal -back resistance convenient to installation radiator |
| CN211604825U (en) * | 2020-02-21 | 2020-09-29 | 广东福德电子有限公司 | Winding starting resistor |
| CN111917241A (en) * | 2019-05-09 | 2020-11-10 | 东芝三菱电机产业系统株式会社 | Synchronous rotating electrical machine and discharge resistor |
| CN112071538A (en) * | 2020-09-16 | 2020-12-11 | 广东意杰科技有限公司 | High-power resistor with press-fitting structure and manufacturing method of resistor |
-
2020
- 2020-12-18 CN CN202011506019.5A patent/CN112635140A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB191417329A (en) * | 1914-07-21 | 1915-08-23 | Arthur Francis Berry | Improvements in or relating to Electrical Heating Apparatus. |
| CN103730221A (en) * | 2013-12-26 | 2014-04-16 | 广西新未来信息产业股份有限公司 | Super capacitance/voltage-sensing resistor |
| CN204884730U (en) * | 2015-07-23 | 2015-12-16 | 成都森泉环保设备技术有限公司 | Metal -back resistance convenient to installation radiator |
| CN111917241A (en) * | 2019-05-09 | 2020-11-10 | 东芝三菱电机产业系统株式会社 | Synchronous rotating electrical machine and discharge resistor |
| CN211604825U (en) * | 2020-02-21 | 2020-09-29 | 广东福德电子有限公司 | Winding starting resistor |
| CN112071538A (en) * | 2020-09-16 | 2020-12-11 | 广东意杰科技有限公司 | High-power resistor with press-fitting structure and manufacturing method of resistor |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP2010212155A (en) | Terminal connecting member material and battery pack | |
| WO2020258370A1 (en) | Battery module | |
| CN112635140A (en) | High-power high-pulse energy-absorbing resistor | |
| CN114203393A (en) | Transformer framework for electric vehicle charger | |
| US9269942B2 (en) | Secondary battery | |
| CN208923316U (en) | The lithium battery of high-multiplying power discharge is for electric unit | |
| WO2015186333A1 (en) | Battery unit | |
| CN213752172U (en) | Sheet terminal cement resistor | |
| CN214068544U (en) | Planar transformer based on multilayer board | |
| CN212724922U (en) | Magnetic element | |
| CN209895886U (en) | Inductor and electric vehicle battery pack | |
| CN220830016U (en) | Battery pack | |
| CN221352478U (en) | Flat wound discharge resistor | |
| CN216217765U (en) | Electronic speed regulator and aircraft | |
| CN208954767U (en) | Printed circuit board and the motor for using the printed circuit board | |
| CN211319938U (en) | Lead-out electrode device for film capacitor | |
| CN220121579U (en) | Shunt resistor with circuit board | |
| CN219321567U (en) | Battery cell module and battery pack | |
| CN221041252U (en) | Battery pack and energy storage power supply | |
| EP4068496A1 (en) | Cover plate assembly, battery, battery module, power battery pack and electric vehicle | |
| CN221327454U (en) | Low-resistance damping filtering aluminum shell resistor | |
| WO2017150151A1 (en) | Film capacitor | |
| CN218274146U (en) | High-voltage power supply inductance device | |
| CN212113947U (en) | Heat radiation structure and battery pack thereof | |
| CN213752166U (en) | Resistor with a resistor element |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20210409 |