CN207009176U - A kind of resistor of the high heat dispersion of adjustable resistor number of elements - Google Patents

Abstract

The utility model discloses a kind of resistor of the high heat dispersion of adjustable resistor number of elements, including installs case, the top and front of the installs case are openning shape, the first groove is offered at left and right sides of the inwall of the installs case, limited block is fixedly connected with the inner surface of first groove, and it is fixedly connected with heat sink between two limited blocks, heat emission hole is offered at the top of the heat sink, the second groove below the first groove is offered at left and right sides of the installation chamber interior wall, adjustable spring has been fixedly connected with the top and bottom of second groove inner wall.The utility model is by setting adjustable spring and limiting plate, multiple micarexs are made to be individually positioned in each second groove, and the elastic reaction for passing through adjustable spring, make spacing board clamping and fixed micarex, convenient use person operates, and it can allow to be placed on the resistive element on micarex with the quantity of regulation resistance element and increase or reduce.

Description

A kind of resistor of the high heat dispersion of adjustable resistor number of elements

Technical field

Resistive technologies field is the utility model is related to, specially a kind of high heat dispersion of adjustable resistor number of elements Resistor.

Background technology

Power Resistor is arranged in generator neutral point earthing or grounding means as secondary load resistor, utilizes resistance Power consumption effect, generator can be protected without damage, moreover it is possible to which noise caused by D.C. magnetic biasing is big always and the bad shadow such as energy consumption height Ring.

But present resistor is in use, is frequently accompanied by the problems such as highly exothermic, make the radiating effect of resistor It is bad, and can not regulation resistance element quantity, make to be difficult to the resistance for changing resistor, influence the working effect of resistor.

Utility model content

（One）The technical problem of solution

In view of the shortcomings of the prior art, the utility model provides a kind of high heat dispersion of adjustable resistor number of elements Resistor, it is in use to solve resistor, is frequently accompanied by the problems such as highly exothermic, makes the radiating effect of resistor not It is good, and can not regulation resistance element quantity, make to be difficult to the resistance for changing resistor, the working effect for influenceing resistor is asked Topic.

（Two）Technical scheme

To achieve the above object, the utility model provides following technical scheme：A kind of height of adjustable resistor number of elements The resistor of heat dispersion, including installs case, the top and front of the installs case are openning shape, the inwall of the installs case The left and right sides offers the first groove, limited block is fixedly connected with the inner surface of first groove, and two spacing Heat sink is fixedly connected between block, heat emission hole is offered at the top of the heat sink, the installation chamber interior wall left and right sides is The second groove below the first groove is offered, has been fixedly connected with the top and bottom of second groove inner wall flexible Spring, the one end of the adjustable spring away from the second groove is fixedly connected with limiting plate, and is set between the second groove of both sides Be equipped with micarex, and the top and bottom of micarex are connected with the surface activity of limiting plate, the top of the micarex and U-board has been bolted to connection at the top of installation chamber interior wall, mounting bracket is plugged with left and right sides of the U-board inwall, Pedestal is fixedly connected with the surface of the mounting bracket, is wound with the surface of the pedestal around spring resistance, it is described around spring resistance Top at left and right sides of be fixedly connected with binding post, be provided with thermal vias on the surface of the micarex.

Preferably, the quantity at least two of the thermal vias, and be between every two adjacent thermal vias It is placed equidistant.

Preferably, the quantity of second groove is 12, and six the second grooves therein are arranged on installs case Left side, remaining six the second grooves are arranged on the right side of installs case, and with installs case between the second groove of both sides Perpendicular bisector be symmetrical arranged for symmetry axis.

Preferably, the quantity at least two of the micarex, and be equidistant between every two adjacent micarexs Set.

Preferably, the quantity at least two of the U-board, and be to be placed equidistant between every two adjacent U-boards.

Preferably, the quantity at least two of the heat emission hole, and be equidistant between every two adjacent heat emission holes Set.

（Three）Beneficial effect

The utility model provides a kind of resistor of the high heat dispersion of adjustable resistor number of elements.Possessing following has Beneficial effect：

（1）, the utility model by setting adjustable spring and limiting plate, multiple micarexs is individually positioned in each second In groove, and by the elastic reaction of adjustable spring, make spacing board clamping and fixed micarex, convenient use person's operation, and And it can allow to be placed on the resistive element on micarex with the quantity of regulation resistance element and increase or reduce.

（2）, the utility model by setting micarex and thermal vias, micarex has excellent high-temperature insulation Can, and make good heat dissipation effect of the resistive element on micarex, and make user easy to operation.

（3）, the utility model by setting heat emission hole, heat sink is plugged at the top of installs case, and utilizes heat emission hole Radiating effect, make the heat of inside being shed for heat sink, resistor is preferably worked.

Brief description of the drawings

Fig. 1 is the utility model structure diagram；

Fig. 2 is the enlarged drawing at A in Fig. 1；

Fig. 3 is the enlarged drawing at B in Fig. 1；

Fig. 4 is the utility model micarex top structure schematic diagram；

Fig. 5 is the utility model heat sink top structure schematic diagram.

In figure：1 installs case, 2 first grooves, 2 limited blocks, 4 heat sinks, 5 heat emission holes, 6 second grooves, 7 adjustable springs, 8 Limiting plate, 9 micarexs, 10 U-boards, 11 mounting brackets, 12 pedestals, 13 lead to around spring resistance, 14 binding posts, 15 bolts, 16 radiatings Hole.

Embodiment

Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out Clearly and completely describing, it is clear that described embodiment is only the utility model part of the embodiment, rather than whole Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made The every other embodiment obtained, belong to the scope of the utility model protection.

As Figure 1-5, the utility model provides a kind of technical scheme：A kind of high radiating of adjustable resistor number of elements The resistor of performance, including installs case 1, the top and front of installs case 1 are openning shape, at left and right sides of the inwall of installs case 1 The first groove 2 is offered, limited block 3 is fixedly connected with the inner surface of the first groove 2, and it is solid between two limited blocks 3 Surely heat sink 4 is connected with, the top of heat sink 4 offers heat emission hole 5, and by setting heat emission hole 5, heat sink 4 is plugged on installation The top of case 1, and using the radiating effect of heat emission hole 5, make the heat of inside being shed for heat sink 4, make resistor can Preferably to work, the quantity at least two of heat emission hole 5, and be to be placed equidistant between every two adjacent heat emission holes 5, The second groove 6 positioned at the lower section of the first groove 2 is offered at left and right sides of the inwall of installs case 1, the quantity of the second groove 6 is 12 It is individual, and six the second grooves 6 therein are arranged on the left side of installs case 1, and remaining six the second grooves 6 are arranged on installs case 1 right side, and be symmetrical arranged between the second groove 6 of both sides using the perpendicular bisector of installs case 1 as symmetry axis, the second groove 6 Adjustable spring 7 is fixedly connected with the top and bottom of inwall, the one end of adjustable spring 7 away from the second groove 6 is fixedly connected with Limiting plate 8, by setting adjustable spring 7 and limiting plate 8, multiple micarexs 9 are made to be individually positioned in each second groove 6, and And by the elastic reaction of adjustable spring 7, limiting plate 8 is clamped and fixed micarex 9, convenient use person's operation, and can be with The quantity of regulation resistance element, the resistive element for alloing to be placed on micarex 9 increase or reduced, and the second of both sides Micarex 9 is provided between groove 6, and surface activity of the top and bottom of micarex 9 with limiting plate 8 is connected, mica The quantity at least two of plate 9, and be to be placed equidistant between every two adjacent micarexs 9, the top of micarex 9 and peace The case top of 1 inwall is fixedly connected with U-board 10 by bolt 15, the quantity at least two of U-board 10, and per adjacent It is to be placed equidistant between two U-boards 10, mounting bracket 11, the table of mounting bracket 11 is plugged with left and right sides of the inwall of U-board 10 Pedestal 12 is fixedly connected with face, is wound with the surface of pedestal 12 around spring resistance 13, around the left and right two at 13 tops of spring resistance Side is fixedly connected with binding post 14, and thermal vias 16 is provided with the surface of micarex 9, and the quantity of thermal vias 16 is at least two It is individual, and be to be placed equidistant between every two adjacent thermal vias 16, by setting micarex 9 and thermal vias 16, cloud Motherboard 9 has excellent high-temperature insulation performance, and makes good heat dissipation effect of the resistive element on micarex 9, and makes User is easy to operation.

It can to sum up obtain,（1）, the utility model by setting adjustable spring 7 and limiting plate 8, multiple micarexs 9 is put respectively Put in each second groove 6, and by the elastic reaction of adjustable spring 7, clamp limiting plate 8 and fix micarex 9, just Just user operate, and can with the quantity of regulation resistance element, the resistive element for alloing to be placed on micarex 9 increase or Person is reduced.

（2）, the utility model by setting micarex 9 and thermal vias 16, micarex 9 has excellent high-temperature insulation Performance, and make good heat dissipation effect of the resistive element on micarex 9, and make user easy to operation.

（3）, the utility model by setting heat emission hole 5, heat sink 4 is plugged on the top of installs case 1, and utilizes heat emission hole 5 radiating effect, make the heat of inside being shed for heat sink 4, resistor is preferably worked.

It should be noted that herein, such as first and second or the like relational terms are used merely to a reality Body or operation make a distinction with another entity or operation, and not necessarily require or imply and deposited between these entities or operation In any this actual relation or order.Moreover, term " comprising ", "comprising" or its any other variant are intended to Nonexcludability includes, so that process, method, article or equipment including a series of elements not only will including those Element, but also the other element including being not expressly set out, or it is this process, method, article or equipment also to include Intrinsic key element.In the absence of more restrictions, the key element limited by sentence "including a ...", it is not excluded that Other identical element also be present in process, method, article or equipment including the key element.

While there has been shown and described that embodiment of the present utility model, for the ordinary skill in the art, It is appreciated that these embodiments can be carried out with a variety of changes in the case where not departing from principle of the present utility model and spirit, repaiied Change, replace and modification, the scope of the utility model are defined by the appended claims and the equivalents thereof.

Claims (6)

1. a kind of resistor of the high heat dispersion of adjustable resistor number of elements, including installs case（1）, it is characterised in that：Institute State installs case（1）Top and front be openning shape, the installs case（1）Inwall at left and right sides of offer the first groove （2）, first groove（2）Inner surface on be fixedly connected with limited block（3）, and two limited blocks（3）Between fixed connect It is connected to heat sink（4）, the heat sink（4）Top offer heat emission hole（5）, the installs case（1）At left and right sides of inwall Offer and be located at the first groove（2）Second groove of lower section（6）, second groove（6）The top and bottom of inwall are fixed It is connected with adjustable spring（7）, the adjustable spring（7）Away from the second groove（6）One end be fixedly connected with limiting plate（8）, and And the second groove of both sides（6）Between be provided with micarex（9）, and micarex（9）Top and bottom and limiting plate（8） Surface activity connection, the micarex（9）Top and installs case（1）Pass through bolt at the top of inwall（15）It is fixedly connected with U-board（10）, the U-board（10）Mounting bracket is plugged with left and right sides of inwall（11）, the mounting bracket（11）Surface on It is fixedly connected with pedestal（12）, the pedestal（12）Surface on be wound with around spring resistance（13）, it is described around spring resistance（13）'s Binding post is fixedly connected with left and right sides of top（14）, the micarex（9）Surface on be provided with thermal vias（16）.

2. a kind of resistor of the high heat dispersion of adjustable resistor number of elements according to claim 1, its feature exist In：The thermal vias（16）Quantity at least two, and per two adjacent thermal vias（16）Between be equidistant Set.

3. a kind of resistor of the high heat dispersion of adjustable resistor number of elements according to claim 1, its feature exist In：Second groove（6）Quantity be 12, and six the second grooves therein（6）It is arranged on installs case（1）A left side Side, remaining six the second grooves（6）It is arranged on installs case（1）Right side, and the second groove of both sides（6）Between with peace Vanning（1）Perpendicular bisector be symmetrical arranged for symmetry axis.

4. a kind of resistor of the high heat dispersion of adjustable resistor number of elements according to claim 1, its feature exist In：The micarex（9）Quantity at least two, and per two adjacent micarexs（9）Between be to be placed equidistant.

5. a kind of resistor of the high heat dispersion of adjustable resistor number of elements according to claim 1, its feature exist In：The U-board（10）Quantity at least two, and per two adjacent U-boards（10）Between be to be placed equidistant.

6. a kind of resistor of the high heat dispersion of adjustable resistor number of elements according to claim 1, its feature exist In：The heat emission hole（5）Quantity at least two, and per two adjacent heat emission holes（5）Between be to be placed equidistant.