CN204651111U - A kind of high-power heat-dissipation resistor - Google Patents

A kind of high-power heat-dissipation resistor Download PDF

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Publication number
CN204651111U
CN204651111U CN201520400364.9U CN201520400364U CN204651111U CN 204651111 U CN204651111 U CN 204651111U CN 201520400364 U CN201520400364 U CN 201520400364U CN 204651111 U CN204651111 U CN 204651111U
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CN
China
Prior art keywords
heat
dissipation tank
supporting bracket
heat dissipation
heating panel
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Active
Application number
CN201520400364.9U
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Chinese (zh)
Inventor
龙剑
李胤
袁洪
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State Grid Corp of China SGCC
State Grid Sichuan Electric Power Co Ltd
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State Grid Corp of China SGCC
State Grid Sichuan Electric Power Co Ltd
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Priority to CN201520400364.9U priority Critical patent/CN204651111U/en
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Publication of CN204651111U publication Critical patent/CN204651111U/en
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Abstract

The utility model discloses a kind of high-power heat-dissipation resistor, comprise resistive element (1), heat pipe (5) and the heating panel be connected successively (4), supporting bracket (3), heat dissipation tank (2); Described heating panel (4) is H type, with resistive element (1) compact siro spinning technology; Described heating panel (4) longitudinally embeds in the groove being arranged on supporting bracket (3) surface and is connected with supporting bracket (3); Described supporting bracket (3) laterally embeds to be arranged in the groove of heat dissipation tank (2) inner surface and is connected with heat dissipation tank (2); Described heat pipe (5) one end is connected with heating panel (4) top, and the other end is connected with heat dissipation tank (2); Described heat dissipation tank (2) comprises top board (21), side plate (22) and base plate (23) and is provided with ventilation hole.The utility model is rational in infrastructure and select the aluminium base insulating layer material that adds to be main body, is the high-power heat-dissipation resistor that a kind of radiating efficiency is high, effectively can avoid sparkover.

Description

A kind of high-power heat-dissipation resistor
Technical field
The utility model relates to a kind of resistor, specifically refers to a kind of high-power heat-dissipation resistor.
Background technology
Power Resistor, as secondary load resistor, is arranged in generator neutral point earthing device, utilizes the power consumption effect of resistance, can protect the harmful effects such as generator is not damaged, and the noise that D.C. magnetic biasing can also be suppressed to cause is large, energy consumption is high.But Power Resistor in use, usually with problems such as a large amount of heat release, sparkovers.So, urgently provide a kind of and effectively can avoid sparkover and the good high-power heat-dissipation resistor of heat dispersion.
Utility model content
The purpose of this utility model is to provide a kind of high-power heat-dissipation resistor, not only effectively can avoid sparkover, also have good heat dispersion.
The utility model is achieved through the following technical solutions: a kind of high-power heat-dissipation resistor, comprises resistive element, heat pipe and the heating panel be connected successively, supporting bracket, heat dissipation tank; Described heating panel is H type, with resistive element compact siro spinning technology; Described heating panel longitudinally embeds to be arranged in the groove on supporting bracket surface and is connected with supporting bracket; Described supporting bracket laterally embeds to be arranged in the groove of heat dissipation tank inner surface and is connected with heat dissipation tank; Described heat pipe one end is connected with heating panel top, and the other end is connected with heat dissipation tank; Described heat dissipation tank comprises top board, side plate and base plate, and is provided with ventilation hole.
Adopt the resistor of this structure, the heat that resistive element distributes transmits mainly through two kinds of modes: one is by solid conduction, according to the order of heating panel, supporting bracket, heat dissipation tank, heat is passed to the external world; Two is by gaseous exchange, is distributed by heat.
Further, the ventilation hole of described top board is Y type.Ventilation hole there is covering, avoids dust to enter.
Further, the ventilation hole of described side plate is r type, and is inclination alpha with horizontal direction, 0 ° of < α <90 °; Inclination angle be designed with the discharge being beneficial to heat.
Further, the ventilation hole of described base plate is reverse V-shaped.In resistor, hot-air distributes, and form negative pressure, the design in reverse V-shaped hole, can make cool ambient air enter resistor from the ventilation hole of base plate rapidly, absorbs heat and brings to the external world, expands air inflow.
Further, described supporting bracket comprises upper backup pad, lower supporting plate, and surface all arranges ventilation hole.Supporting bracket is arranged ventilation hole and be conducive to the circulation of resistor inner chamber air and distributing of heat.
Further, outside the top board of described heat dissipation tank, outside side plate, all radiating fin is set; Described heat pipe is connected with radiating fin by the through hole being arranged on heat dissipation tank top board.The radiating fin set up outside heat dissipation tank adds the surface area of heat radiation, can significantly improve radiating efficiency, and the heat that resistor under operating state produces is passed to outside air fast.
Further, described heat pipe is copper vacuum tube, fills pure water in pipe, and interior wall construction adopts formula of knotting.Meanwhile, heating panel is connected with radiating fin by heat pipe, and heat pipe self has the effect of cooling on the one hand, also contributes on the other hand increasing internal-external temperature difference, thus accelerates radiation processes.
Further, the material of described heating panel, heat dissipation tank, supporting bracket is aluminium base and surface arranges insulating barrier.Aluminium itself has excellent heat conductivility, and the aluminium base that processes surface is through anodized to increase corrosion stability, the resistance to wear of aluminium, and surface arranges insulating barrier effectively can avoid sparkover.
The utility model compared with prior art, has the following advantages and beneficial effect:
(1) the utility model structure is simple, and heat is dispersed by conduction and convection current two kinds of transfer modes, and passive heat radiation and active heat removal are carried out simultaneously, and radiating efficiency is high;
(2) the utility model sets up heat pipe, and the radiating fin of heating panel, heat pipe, heat dissipation tank connects successively, expands cooling surface area, improves passive radiating efficiency;
(3) in the utility model, the material employing of heating panel, supporting bracket, heat dissipation tank is aluminium base adds insulating barrier, both ensure that good thermal conductivity, can avoid sparkover again;
(4) the utility model structure is simple, is convenient to safeguard.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model embodiment 1.
Fig. 2 is the front section view of the utility model embodiment 1.
Fig. 3 is the front view of the utility model embodiment 2.
Wherein: 1-resistive element, 2-heat dissipation tank, 21-top board, 22-side plate, 23-base plate, 24---radiating fin, 3-supporting bracket, 31-upper backup pad, 32-lower supporting plate, 4-heating panel, 5-heat pipe.
Embodiment
Below in conjunction with embodiment, the utility model is described in further detail, but execution mode of the present utility model is not limited thereto.
Embodiment 1:
The high-power heat-dissipation resistor of the present embodiment comprises resistive element 1, heat pipe 5 and the heating panel 4 be connected successively, supporting bracket 3, heat dissipation tank 2; Described heating panel 4 is H type, with resistive element 1 compact siro spinning technology; Described heating panel 4 longitudinally embeds to be arranged in the groove on supporting bracket 3 surface and is connected with supporting bracket 3; Described supporting bracket 3 laterally embeds to be arranged in the groove of heat dissipation tank 2 inner surface and is connected with heat dissipation tank 2; Described heat pipe 5 one end is connected with heating panel 4 top, and the other end is connected with heat dissipation tank 2; Described heat dissipation tank 2 comprises top board 21, side plate 22 and base plate 23 and is provided with ventilation hole; The ventilation hole of described top board 21 is Y type; The ventilation hole of described side plate 22 is r type, and is inclination alpha with horizontal direction, 0 ° of < α <90 °; The ventilation hole of described base plate 23 is reverse V-shaped.
Under resistor operating state, resistive element 1 produces huge heat.Adopt the resistor of this structure, the heat that resistive element 1 distributes transmits mainly through conduction and convection two kinds of modes.On the one hand, due to heating panel 4 and resistive element 1 compact siro spinning technology, heat is passed to heat dissipation tank 2 surface successively according to the order of resistive element 1, heating panel 4, supporting bracket 3, heat dissipation tank 2 and is passed to outside air again; Add the heat pipe 5 set up, heating panel 4 be directly connected with heat dissipation tank 2, self cooling while, produce the temperature difference, heat rapidly from resistor internal delivery to surface, heat Quick diffusing; On the other hand, a large amount of cool ambient air enters in casing from the ventilation hole of heat dissipation tank base plate 23 rapidly, is taken out of by the ventilation hole of the heat of absorption from top board 21 or side plate 22.
Embodiment 2:
The present embodiment has set up radiating fin 24 further on the basis of embodiment 1, outside the top board 21 of described heat dissipation tank, all arranges radiating fin 24 outside side plate 22, and heat pipe 5 is connected with radiating fin 24 by the through hole being arranged on heat dissipation tank 2 top board 21.The heat that resistive element 1 produces directly is passed to the radiating fin 24 outside heat dissipation tank 2 through heating panel 4, heat pipe 5, increases cooling surface area.Other parts of the present embodiment are identical with embodiment 1, repeat no more.
The above; it is only preferred embodiment of the present utility model; not do any pro forma restriction to the utility model, every any simple modification, equivalent variations done above embodiment according to technical spirit of the present utility model, all falls within protection range of the present utility model.

Claims (8)

1. a high-power heat-dissipation resistor, is characterized in that: comprise resistive element (1), heat pipe (5) and the heating panel be connected successively (4), supporting bracket (3), heat dissipation tank (2); Described heating panel (4) is H type, with resistive element (1) compact siro spinning technology; Described heating panel (4) longitudinally embeds in the groove being arranged on supporting bracket (3) surface and is connected with supporting bracket (3); Described supporting bracket (3) laterally embeds to be arranged in the groove of heat dissipation tank (2) inner surface and is connected with heat dissipation tank (2); Described heat pipe (5) one end is connected with heating panel (4) top, and the other end is connected with heat dissipation tank (2); Described heat dissipation tank (2) comprises top board (21), side plate (22) and base plate (23), and is provided with ventilation hole.
2. high-power heat-dissipation resistor according to claim 1, is characterized in that: the ventilation hole of described top board (21) is Y type.
3. high-power heat-dissipation resistor according to claim 1, is characterized in that: the ventilation hole of described side plate (22) is r type, and is inclination alpha with horizontal direction, 0 ° of < α <90 °.
4. high-power heat-dissipation resistor according to claim 1, is characterized in that: the ventilation hole of described base plate (23) is reverse V-shaped.
5. high-power heat-dissipation resistor according to claim 1, is characterized in that: described supporting bracket (3) comprises upper backup pad (31), lower supporting plate (32), and surface all arranges ventilation hole.
6. high-power heat-dissipation resistor according to claim 1, is characterized in that: all arrange radiating fin (24) outside the top board of described heat dissipation tank (2), outside side plate; Described heat pipe (5) is connected with radiating fin (24) by the ventilation hole being arranged on heat dissipation tank (2) top board.
7. the high-power heat-dissipation resistor according to claim 1 or 6, is characterized in that: described heat pipe (5) is copper vacuum tube, fills pure water in pipe, and interior wall construction adopts formula of knotting.
8. the high-power heat-dissipation resistor according to claim 1-6 any one, is characterized in that: the material of described heat dissipation tank (2), supporting bracket (3), heating panel (4) is aluminium base and surface arranges insulating barrier.
CN201520400364.9U 2015-06-11 2015-06-11 A kind of high-power heat-dissipation resistor Active CN204651111U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201520400364.9U CN204651111U (en) 2015-06-11 2015-06-11 A kind of high-power heat-dissipation resistor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201520400364.9U CN204651111U (en) 2015-06-11 2015-06-11 A kind of high-power heat-dissipation resistor

Publications (1)

Publication Number Publication Date
CN204651111U true CN204651111U (en) 2015-09-16

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Application Number Title Priority Date Filing Date
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106298114A (en) * 2016-08-19 2017-01-04 中国科学院等离子体物理研究所 A kind of super high power discharge resistance system for high power DC field of switches

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106298114A (en) * 2016-08-19 2017-01-04 中国科学院等离子体物理研究所 A kind of super high power discharge resistance system for high power DC field of switches

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