CN112053818A - High-power resistor of high-efficient heat dissipation groined type - Google Patents
High-power resistor of high-efficient heat dissipation groined type Download PDFInfo
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- CN112053818A CN112053818A CN202010895214.5A CN202010895214A CN112053818A CN 112053818 A CN112053818 A CN 112053818A CN 202010895214 A CN202010895214 A CN 202010895214A CN 112053818 A CN112053818 A CN 112053818A
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- 230000017525 heat dissipation Effects 0.000 title claims abstract description 60
- 238000000576 coating method Methods 0.000 claims abstract description 21
- 239000011248 coating agent Substances 0.000 claims abstract description 14
- 239000000428 dust Substances 0.000 claims abstract description 8
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 4
- 229910021392 nanocarbon Inorganic materials 0.000 claims description 2
- 238000001816 cooling Methods 0.000 abstract description 3
- 239000000463 material Substances 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000007792 addition Methods 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
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- 230000004048 modification Effects 0.000 description 1
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01C—RESISTORS
- H01C3/00—Non-adjustable metal resistors made of wire or ribbon, e.g. coiled, woven or formed as grids
- H01C3/14—Non-adjustable metal resistors made of wire or ribbon, e.g. coiled, woven or formed as grids the resistive element being formed in two or more coils or loops continuously wound as a spiral, helical or toroidal winding
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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
- H01C1/08—Cooling, heating or ventilating arrangements
- H01C1/082—Cooling, heating or ventilating arrangements using forced fluid flow
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- 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
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01C—RESISTORS
- H01C1/00—Details
- H01C1/16—Resistor networks not otherwise provided for
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01C—RESISTORS
- H01C17/00—Apparatus or processes specially adapted for manufacturing resistors
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01C—RESISTORS
- H01C17/00—Apparatus or processes specially adapted for manufacturing resistors
- H01C17/04—Apparatus or processes specially adapted for manufacturing resistors adapted for winding the resistive element
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Abstract
The invention discloses a high-efficiency heat-dissipation groined-shaped high-power resistor which comprises a bottom plate, a first pin, a second pin, an upper cover plate, a temperature sensor, a controller, a resistance wire, heat dissipation holes, a dust screen and a fan, wherein two connecting rib plates are arranged at the top end of the bottom plate and are symmetrically distributed at the top end of the bottom plate; fix the resistance wire in the inside of resistor through fixed knot, be the heliciform with the resistance wire and install the inside at the resistor, the cross sectional area and the effective length of increase resistance wire improve the work efficiency of resistor, dispel the heat to the resistor inside through the nanometer heat dissipation coating on the cooling tube, effectively reduce the temperature in the resistor, prevent that the high temperature from producing the harm to electric elements.
Description
Technical Field
The invention relates to the technical field of heat dissipation resistors, in particular to a high-efficiency heat dissipation groined type high-power resistor.
Background
With the rapid development of industrialization, resistors are used more and more frequently, a resistor is generally directly called as a resistor in daily life and is a current limiting element, after the resistor is connected in a circuit, the resistance value of the resistor is fixed and is generally two pins, the resistor can limit the magnitude of current passing through a branch connected with the resistor, the resistor with the unchangeable resistance value is called as a fixed resistor, the resistor with the changeable resistance value is called as a potentiometer or a variable resistor, and an ideal resistor is a linear variable resistor, namely instantaneous current passing through the resistor is in direct proportion to external instantaneous voltage and is used for voltage division. One or two movable metal contacts are tightly pressed on the exposed resistor body, and the resistance value between any end of the resistor body and the contacts is determined by the positions of the contacts; the magnitude of the resistance of a resistive element is generally related to temperature, material, length, and also cross-sectional area, and the physical quantity that measures the magnitude of the resistance affected by temperature is the temperature coefficient.
Patent No. CN106329888B discloses a current transformer with an air-cooled heat dissipation structure, which includes: cubical switchboard, switch board and power cabinet, the switch board includes from last to lower precharge subassembly, stator contactor, net side contactor, main circuit breaker and the net side inlet wire region that sets gradually. The switch board includes from last first layer, second floor and the third layer that sets gradually down the layering, and the first layer includes low voltage control electrical apparatus board subassembly, Crowbar module and chopper module, and the second floor includes high voltage control electrical apparatus board subassembly, capacitor assembly and UPS, and the third layer includes net side reactor and external signal interface subassembly. The power cabinet comprises a pulse distribution module and a combined resistor which are arranged on the upper portion of the power cabinet, and a power module, a centrifugal fan and a machine side reactor which are sequentially arranged on the lower portions of the pulse distribution module and the combined resistor from top to bottom.
However, in this patent, the temperature cannot be detected, and the operation of the resistor cannot be stopped when the resistor is operated in an overload state for a long time.
Disclosure of Invention
In order to overcome the technical problems, the invention aims to provide a high-efficiency heat-dissipation groined-shaped high-power resistor, wherein a resistance wire is fixed inside the resistor through a fixing buckle and connecting rib plates which are mutually matched, the resistance wire is spirally arranged inside the resistor, the cross section area and the effective length of the resistance wire are increased, the working efficiency of the resistor is improved, a plurality of heat dissipation pipes are fixedly connected between the two connecting rib plates, a plurality of heat dissipation pipes are respectively provided with a nano heat dissipation coating, each nano heat dissipation coating is composed of nano carbon powder, the nano heat dissipation coating has a good heat dissipation effect, the inside of the resistor is dissipated with heat through the nano heat dissipation coatings on the heat dissipation pipes, the temperature in the resistor is effectively reduced, and the electric elements are prevented from being damaged due.
The purpose of the invention can be realized by the following technical scheme:
a high-efficiency heat-dissipation # -shaped high-power resistor comprises a bottom plate, a first pin, a second pin, an upper cover plate, a fixing buckle, a heat dissipation pipe, connecting rib plates, a nano heat dissipation coating, a current valve, a temperature sensor, a controller, a resistance wire, heat dissipation holes, a dust screen and a fan, wherein the top end of the bottom plate is provided with two connecting rib plates which are symmetrically distributed at the top end of the bottom plate;
a plurality of groups of fixing buckles are arranged on the two connecting rib plates and are symmetrically distributed on the outer surfaces of the two connecting rib plates, a resistance wire is arranged between each group of fixing buckles, a plurality of radiating tubes are fixedly connected between the two connecting rib plates, and nano radiating coatings are coated on the surfaces of the radiating tubes;
one side that the upper cover plate is close to the resistance wire is provided with a plurality of temperature sensor, and temperature sensor is the equidistance and distributes on the upper cover plate, be provided with first pin on the connection gusset that the bottom plate top is close to controller one end, one side that first pin is close to connection gusset is provided with the current valve, one side fixedly connected with second pin that first pin was kept away from to connection gusset, second pin and first pin are the symmetric distribution on connecting the gusset.
Further, the resistance wire is spiral.
Further, the nanometer heat dissipation coating is composed of nanometer carbon powder.
Furthermore, a plurality of heat dissipation holes are formed in the bottom end of the bottom plate, and dust screens are arranged on the heat dissipation holes.
Further, the temperature sensor, the fan and the current valve are electrically connected with the controller.
Further, the implementation steps of the high-efficiency heat-dissipation # -shaped high-power resistor are as follows:
the method comprises the following steps that firstly, a worker checks that a device is connected perfectly, and after checking is finished, a first pin and a second pin of a resistor are connected into a circuit, wherein the first pin is used as a current inlet interface, and the second pin is used as a current outlet interface;
fixing the resistance wire in the resistor through a fixing buckle, and mounting the resistance wire in the resistor in a spiral shape, so that the cross sectional area and the effective length of the resistance wire are increased, and the working efficiency of the resistor is improved;
thirdly, the interior of the resistor is radiated through the nanometer radiating coating on the radiating pipe, the temperature in the resistor is detected through the temperature sensor, when the temperature in the resistor exceeds a set temperature threshold value, an over-temperature signal is generated and sent to the controller, the controller controls the fan, the fan is started, and the interior of the resistor is cooled;
and step four, detecting the temperature in the resistor again through the temperature sensor, if the temperature in the resistor still exceeds the temperature setting threshold value, generating a temperature alarm signal and sending the temperature alarm signal to the controller, controlling the current valve by the controller, closing the current valve to reduce the current passing through the resistor, and then stopping the resistor to work, so as to prevent danger caused by long-time overload.
Compared with the prior art, the invention has the beneficial effects that:
1. the resistance wire is fixed inside the resistor through the fixing buckles by mutual matching of the fixing buckles and the connecting rib plates, and is spirally installed inside the resistor, so that the cross sectional area and the effective length of the resistance wire are increased, and the working efficiency of the resistor is improved;
2. the heat dissipation device comprises a resistor, a plurality of connecting rib plates, a plurality of heat dissipation pipes, a plurality of nano heat dissipation coatings and a plurality of heat dissipation pipes, wherein the plurality of heat dissipation pipes are fixedly connected between the two connecting rib plates;
3. the temperature in the resistor is detected by the temperature sensor, when the temperature in the resistor exceeds a set temperature threshold value, an overhigh temperature signal is generated and sent to the controller, the controller controls the fan, the fan is started to cool the interior of the resistor, the temperature in the resistor is detected again by the temperature sensor, if the temperature in the resistor still exceeds the set temperature threshold value, a temperature alarm signal is generated and sent to the controller, the controller controls the current valve, the current valve is closed to reduce the current passing through the resistor, then the resistor is stopped to work, the danger caused by long-time overload is prevented, the resistor is cooled by air cooling, the safety of the resistor is improved, meanwhile, when the resistor works in overload for a long time, the resistor can be stopped to work, and the intelligence of the device is improved, the resistor is prevented from accidents, and workers are prevented from being injured;
to sum up, this device is rational in infrastructure, can effectively cool down to the resistor, can in time stop the resistor work simultaneously, prevents the accident, has improved the security performance of resistor.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic structural diagram of a high-efficiency heat-dissipating # -shaped high-power resistor of the present invention;
FIG. 2 is a top view of a high efficiency heat dissipating # -shaped high power resistor of the present invention;
FIG. 3 is a side view of a high efficiency heat dissipating # -shaped high power resistor of the present invention;
fig. 4 is a schematic structural view of the base plate in the present invention.
In the figure: 1. a base plate; 2. a first pin; 3. a second pin; 4. an upper cover plate; 5. a fixing buckle; 6. a radiating pipe; 7. connecting a rib plate; 8. a nano heat dissipation coating; 9. a current valve; 10. a temperature sensor; 11. a controller; 12. a resistance wire; 13. heat dissipation holes; 14. a dust screen; 15. a fan.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-4, a high-efficiency heat-dissipation groined-shaped high-power resistor comprises a bottom plate 1, a first pin 2, a second pin 3, an upper cover plate 4, a fixing buckle 5, a heat dissipation pipe 6, a connection rib plate 7, a nano heat dissipation coating 8, a current valve 9, a temperature sensor 10, a controller 11, a resistance wire 12, a heat dissipation hole 13, a dust screen 14 and a fan 15, wherein two connection rib plates 7 are arranged at the top end of the bottom plate 1, the connection rib plates 7 are symmetrically distributed at the top end of the bottom plate 1, one ends of the two connection rib plates 7, which are far away from the bottom plate 1, are fixedly connected with the upper cover plate 4, the controller 11 is fixedly installed on one side of the top end of the bottom plate 1, and the fan 15 is;
a plurality of groups of fixing buckles 5 are arranged on each of the two connecting rib plates 7, the fixing buckles 5 are symmetrically distributed on the outer surfaces of the two connecting rib plates 7, a resistance wire 12 is arranged between each group of fixing buckles 5, the resistance wire 12 is spiral, the cross section area and the effective length of the resistance wire 12 can be improved, the resistance efficiency of the resistance wire 12 is improved, a plurality of radiating pipes 6 are fixedly connected between the two connecting rib plates 7, the surfaces of the plurality of radiating pipes 6 are coated with nanometer radiating coatings 8, and the nanometer radiating coatings 8 are composed of nanometer carbon powder and have good radiating effect;
a plurality of temperature sensors 10 are arranged on one side, close to a resistance wire 12, of the upper cover plate 4, the temperature sensors 10 are distributed on the upper cover plate 4 at equal intervals, a first pin 2 is arranged on a connecting rib plate 7 at one end, close to a controller 11, of the top end of the bottom plate 1, a current valve 9 is arranged on one side, close to the connecting rib plate 7, of the first pin 2, a second pin 3 is fixedly connected to one side, far away from the first pin 2, of the connecting rib plate 7, the second pin 3 and the first pin 2 are symmetrically distributed on the connecting rib plate 7, a plurality of heat dissipation holes 13 are formed in the bottom end of the bottom plate 1, a dust screen 14 is arranged on each of the plurality of heat dissipation holes 13, and the temperature sensors 10, a fan 15 and the current;
the implementation steps of the high-efficiency heat-dissipation # -shaped high-power resistor are as follows:
firstly, a worker checks that the device is connected perfectly, and after the checking work is finished, a first pin 2 and a second pin 3 of a resistor are connected into a circuit, wherein the first pin 2 is used as a current inlet interface, and the second pin 3 is used as a current outlet interface;
fixing the resistance wire 12 in the resistor through the fixing buckle 5, and mounting the resistance wire 12 in the resistor in a spiral shape, so that the cross sectional area and the effective length of the resistance wire 12 are increased, and the working efficiency of the resistor is improved;
thirdly, the interior of the resistor is radiated through the nanometer radiating coating 8 on the radiating pipe 6, the temperature in the resistor is detected through the temperature sensor 10, when the temperature in the resistor exceeds a set temperature threshold value, an overhigh temperature signal is generated and sent to the controller 11, the controller 11 controls the fan 15, the fan 15 is started, and the interior of the resistor is cooled;
and step four, detecting the temperature in the resistor again through the temperature sensor 10, if the temperature in the resistor still exceeds the temperature set threshold value, generating a temperature alarm signal and sending the temperature alarm signal to the controller 11, controlling the current valve 9 through the controller 11, closing the current valve 9 to reduce the current passing through the resistor, and then stopping the resistor to work to prevent the danger caused by long-time overload.
A high-power resistor with a high-efficiency heat dissipation groined type is characterized in that a resistance wire 12 is fixed inside the resistor through a fixing buckle 5, the resistance wire 12 is installed inside the resistor in a spiral mode, the cross section area and the effective length of the resistance wire 12 are increased, the working efficiency of the resistor is improved, heat is dissipated inside the resistor through a nanometer heat dissipation coating 8 on a heat dissipation pipe 6, the temperature in the resistor is detected through a temperature sensor 10, when the temperature in the resistor exceeds a temperature setting threshold value, an overhigh temperature signal is generated and sent to a controller 11, the controller 11 controls a fan 15, the fan 15 is started, the temperature in the resistor is cooled, the temperature in the resistor is detected again through the temperature sensor 10, if the temperature in the resistor still exceeds the temperature setting threshold value, a temperature alarm signal is generated and sent to the controller 11, the controller 11 controls the current valve 9 and closes the current valve 9 to reduce the current through the resistor and then stops the resistor from operating, preventing the danger of long term overload.
The invention has the beneficial effects that:
1. the resistance wire is fixed inside the resistor through the fixing buckles by mutual matching of the fixing buckles and the connecting rib plates, and is spirally installed inside the resistor, so that the cross sectional area and the effective length of the resistance wire are increased, and the working efficiency of the resistor is improved;
2. the heat dissipation device comprises a resistor, a plurality of connecting rib plates, a plurality of heat dissipation pipes, a plurality of nano heat dissipation coatings and a plurality of heat dissipation pipes, wherein the plurality of heat dissipation pipes are fixedly connected between the two connecting rib plates;
3. the temperature in the resistor is detected by the temperature sensor, when the temperature in the resistor exceeds a set temperature threshold value, an overhigh temperature signal is generated and sent to the controller, the controller controls the fan, the fan is started to cool the interior of the resistor, the temperature in the resistor is detected again by the temperature sensor, if the temperature in the resistor still exceeds the set temperature threshold value, a temperature alarm signal is generated and sent to the controller, the controller controls the current valve, the current valve is closed to reduce the current passing through the resistor, then the resistor is stopped to work, the danger caused by long-time overload is prevented, the resistor is cooled by air cooling, the safety of the resistor is improved, meanwhile, when the resistor works in overload for a long time, the resistor can be stopped to work, and the intelligence of the device is improved, the resistor is prevented from accidents and harming workers.
In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The foregoing is illustrative and explanatory only and is not intended to be exhaustive or to limit the invention to the precise embodiments described, and various modifications, additions, and substitutions may be made by those skilled in the art without departing from the scope of the invention or exceeding the scope of the claims.
Claims (6)
1. A high-efficiency heat-dissipation # -shaped high-power resistor is characterized by comprising a bottom plate (1), a first pin (2), a second pin (3), an upper cover plate (4), a fixing buckle (5), a heat dissipation pipe (6), connecting rib plates (7), a nano heat dissipation coating (8), a current valve (9), a temperature sensor (10), a controller (11), a resistance wire (12), heat dissipation holes (13), a dust screen (14) and a fan (15), wherein the top end of the bottom plate (1) is provided with the two connecting rib plates (7), the connecting rib plates (7) are symmetrically distributed at the top end of the bottom plate (1), one end of each connecting rib plate (7) far away from the bottom plate (1) is fixedly connected with an upper cover plate (4), a controller (11) is fixedly installed on one side of the top end of the bottom plate (1), and a fan (15) is fixedly installed at one end, far away from the controller (11), of the bottom plate (1);
a plurality of groups of fixing buckles (5) are arranged on the two connecting rib plates (7), the fixing buckles (5) are symmetrically distributed on the outer surfaces of the two connecting rib plates (7), a resistance wire (12) is arranged between each group of fixing buckles (5), a plurality of radiating pipes (6) are fixedly connected between the two connecting rib plates (7), and nano radiating coatings (8) are coated on the surfaces of the radiating pipes (6);
one side that upper cover plate (4) is close to resistance wire (12) is provided with a plurality of temperature sensor (10), and temperature sensor (10) are the equidistance and distribute on upper cover plate (4), be provided with first pin (2) on connecting gusset (7) that bottom plate (1) top is close to controller (11) one end, one side that first pin (2) are close to connecting gusset (7) is provided with current valve (9), one side fixedly connected with second pin (3) that first pin (2) were kept away from in connecting gusset (7), second pin (3) are the symmetric distribution with first pin (2) on connecting gusset (7).
2. The high-efficiency heat-dissipation groined-type high-power resistor as claimed in claim 1, wherein the resistance wire (12) is helical.
3. The high-efficiency heat-dissipation # -shaped high-power resistor as claimed in claim 1, wherein said nano heat-dissipation coating (8) is composed of nano carbon powder.
4. The high-power resistor with high heat dissipation efficiency and groined shape as claimed in claim 1, wherein the bottom end of the bottom plate (1) is provided with a plurality of heat dissipation holes (13), and each of the plurality of heat dissipation holes (13) is provided with a dust screen (14).
5. The high-efficiency heat-dissipation # -shaped high-power resistor as claimed in claim 1, wherein the temperature sensor (10), the fan (15) and the current valve (9) are electrically connected with the controller (11).
6. The high-efficiency heat-dissipation # -shaped high-power resistor as claimed in claim 1, wherein the high-efficiency heat-dissipation # -shaped high-power resistor comprises the following steps:
firstly, a worker checks that a device is connected perfectly, and after the checking work is finished, a first pin (2) and a second pin (3) of a resistor are connected into a circuit, wherein the first pin (2) is used as a current inlet interface, and the second pin (3) is used as a current outlet interface;
fixing the resistance wire (12) in the resistor through the fixing buckle (5), and mounting the resistance wire (12) in the resistor in a spiral shape, so that the cross sectional area and the effective length of the resistance wire (12) are increased, and the working efficiency of the resistor is improved;
thirdly, the interior of the resistor is radiated through a nanometer radiating coating (8) on the radiating pipe (6), the temperature in the resistor is detected through a temperature sensor (10), when the temperature in the resistor exceeds a temperature set threshold value, an overhigh temperature signal is generated and sent to a controller (11), the controller (11) controls a fan (15), the fan (15) is started, and the interior of the resistor is cooled;
and step four, detecting the temperature in the resistor again through the temperature sensor (10), if the temperature in the resistor still exceeds the temperature set threshold value, generating a temperature alarm signal and sending the temperature alarm signal to the controller (11), controlling the current valve (9) through the controller (11), closing the current valve (9) to reduce the current passing through the resistor, and then stopping the operation of the resistor to prevent the danger caused by long-time overload.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010895214.5A CN112053818B (en) | 2020-08-31 | 2020-08-31 | High-efficient heat dissipation groined type high-power resistor |
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| CN202010895214.5A CN112053818B (en) | 2020-08-31 | 2020-08-31 | High-efficient heat dissipation groined type high-power resistor |
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| CN112053818B CN112053818B (en) | 2024-06-04 |
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| JPH08124703A (en) * | 1994-10-25 | 1996-05-17 | Toyo Denki Kk | Sheathed resistor |
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-
2020
- 2020-08-31 CN CN202010895214.5A patent/CN112053818B/en active Active
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| JPH08124703A (en) * | 1994-10-25 | 1996-05-17 | Toyo Denki Kk | Sheathed resistor |
| KR20140027035A (en) * | 2012-08-23 | 2014-03-06 | 김수정 | Resistor for industry and manufaturing method therefor |
| CN204332567U (en) * | 2015-01-22 | 2015-05-13 | 河南中科起重电气有限公司 | A kind of ripple braking resistor |
| CN205376227U (en) * | 2016-03-06 | 2016-07-06 | 周栋 | Resistance box |
| CN210073513U (en) * | 2019-06-14 | 2020-02-14 | 山东航天正和电子有限公司 | Precision wire-wound resistor |
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Non-Patent Citations (1)
| Title |
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| 刘静;胡婷婷;周媛奉;李云鹏;: "大功率电力电子装置自适应散热系统设计", 自动化与仪器仪表, no. 09, 25 September 2018 (2018-09-25) * |
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| CN112053818B (en) | 2024-06-04 |
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