阅读说明：本技术 一种一体式自洽高密度智能熔断器 (A kind of integral type is from being in harmony high density intelligent fuse ) 是由 贾炜 孟毓强 苟阿鹏 李涛 刘野 于 2019-09-09 设计创作，主要内容包括：本发明公开了一种一体式自洽高密度智能熔断器,包括第一熔体、第二熔体和连接端子,所述第一熔体和所述第二熔体的两端与所述连接端子连接在一起,所述第一熔体的电阻小于所述第二熔体的电阻。通过上述方式,本发明的一体式自洽高密度智能熔断器,能够在温升、功耗、分断特性等不同状态下具备优化性能,实现智能型保护,明显改善整体的可靠性,结构简化,体积减小,在同样的空间熔断器具备更高的能量密度。(The invention discloses a kind of integral types from being in harmony high density intelligent fuse, including the first melt, the second melt and connection terminal, the both ends of first melt and second melt link together with the connection terminal, and the resistance of first melt is less than the resistance of second melt.Through the above way; integral type of the invention is from being in harmony high density intelligent fuse; can have optimization performance under the different conditions such as temperature rise, power consumption, breaking characteristics; realize intelligent protection; it is obviously improved whole reliability; structure simplifies, and volume reduces, and has higher energy density in same space fuse.)

1. a kind of integral type is from being in harmony high density intelligent fuse, which is characterized in that including the first melt, the second melt and connecting pin The both ends of son, first melt and second melt link together with the connection terminal, the electricity of first melt Resistance is less than the resistance of second melt.

2. integral type according to claim 1 is from being in harmony high density intelligent fuse, which is characterized in that the integral type is from being in harmony High density intelligent fuse further includes cover board and fusion tube, and the both ends of the fusion tube are arranged in the cover board, and the connection terminal is worn Cross the cover board setting.

3. integral type according to claim 2 is from being in harmony high density intelligent fuse, which is characterized in that the material of the fusion tube It is ceramic material, melamine glass fibre around tube material or resin material.

4. integral type according to claim 1 is from being in harmony high density intelligent fuse, which is characterized in that first melt is One or more, second melt are one or more, and the resistance summation of first melt is less than second melt Resistance summation.

5. integral type according to claim 1 is from being in harmony high density intelligent fuse, which is characterized in that on second melt It is provided with M effect point.

6. integral type according to claim 1 is from being in harmony high density intelligent fuse, which is characterized in that first melt and The both ends of second melt are welded to together with the connection terminal.

7. integral type according to claim 1 is from being in harmony high density intelligent fuse, which is characterized in that first melt and The material category that second melt uses is different.

8. integral type according to claim 1 is from being in harmony high density intelligent fuse, which is characterized in that first melt Material be silver, copper, copper-silver composite material, without the homogeneity uniform alloy material of M- effect point, the material of second melt is Silver, copper, copper-silver composite material, the heterogeneous non-homogeneous alloy material with M- effect point or uniform without the homogeneity of M- effect point Alloy material.

9. integral type according to claim 1 is from being in harmony high density intelligent fuse, which is characterized in that first melt and The physical characteristic of second melt is different, and the physical characteristic is resistivity, resistivity-temperature variation characteristic, fusing point, thermal capacitance Than one of or it is a variety of.

10. integral type according to claim 1 is from being in harmony high density intelligent fuse, which is characterized in that first melt With the equal length of second melt.

Technical field

The present invention relates to a kind of intelligent fuse, more particularly to a kind of integral type from being in harmony high density intelligent fuse.

Background technique

Current a kind of intelligent fuse system is fuse is in parallel with conducting copper, the detection of system where fuse After circuit probe to fault current, action signal is issued from central controller to fuse, ignites explosive preset in fuse Striker is driven to cut off copper bar, to induce parallel fuse movement, final disengagement failure electric current.Entire reaction process is: (1) examining Slowdown monitoring circuit detects current status；(2) circuit state message is transmitted to central controller；(3) central controller is made state and is sentenced Disconnected, when malfunction, gives ram to issue action command；(4) ram receives ignition charge after instruction, and driving striker cuts off copper Row causes fuse to act, final disengagement failure electric current.

Deficiency existing for existing this kind of intelligent fuse system is: further including electronic device and mechanical machine in addition to fuse Structure, mechanism is more complicated, and thrashing risk is bigger；Action step is relatively more, process is long, reaction speed is caused to compare Slowly；Fuse system contains fuse, copper bar in parallel, the striker of pre- blasting charge, detection and telecommunication circuit, central controller etc., System structure is more complicated, and failpoint is relatively more, poor so as to cause the Reliability comparotive of system；Maximum risk is: if simultaneously The copper bar of connection cannot be by timely, effective cutting, and fuse general will be completely ineffective, and system is exposed to unshielded great risk Under.

Summary of the invention

The invention mainly solves the technical problem of providing a kind of integral types from being in harmony high density intelligent fuse, structure letter List, building block are few, miniaturization easy to accomplish.

In order to solve the above technical problems, one technical scheme adopted by the invention is that: a kind of integral type is provided from being in harmony highly dense Spend intelligent fuse, including the first melt, the second melt and connection terminal, the both ends of first melt and second melt It links together with the connection terminal, the resistance of first melt is less than the resistance of second melt.

In a preferred embodiment of the present invention, the integral type further includes cover board and molten from high density intelligent fuse is in harmony The both ends of the fusion tube are arranged in pipe, the cover board, and the connection terminal is arranged across the cover board.

In a preferred embodiment of the present invention, the material of the fusion tube be ceramic material, melamine glass fibre around Tube material or resin material.

In a preferred embodiment of the present invention, first melt is one or more, and second melt is one Or it is multiple, the resistance summation of first melt is less than the resistance summation of second melt.

In a preferred embodiment of the present invention, M effect point is provided on second melt.

In a preferred embodiment of the present invention, the both ends of first melt and second melt and the connecting pin Son is welded to together.

In a preferred embodiment of the present invention, the material category that first melt and second melt use is not Together.

In a preferred embodiment of the present invention, the material of first melt be silver, copper, copper-silver composite material, without The homogeneity uniform alloy material of M- effect point, the material of second melt are silver, copper, copper-silver composite material, have M- effect The heterogeneous non-homogeneous alloy material put or the homogeneity uniform alloy material without M- effect point.

In a preferred embodiment of the present invention, first melt is different with the physical characteristic of second melt, institute Stating physical characteristic is one of resistivity, resistivity-temperature variation characteristic, fusing point, heat capacity ratio or a variety of.

In a preferred embodiment of the present invention, the equal length of first melt and second melt.

The beneficial effects of the present invention are: integral type of the invention is from high density intelligent fuse is in harmony, it can be in temperature rise, function Have optimization performance under the different conditions such as consumption, breaking characteristics, realize intelligent protection, hence it is evident that improves whole reliability, structure Simplify, volume reduces, and has higher energy density in same space fuse.

Detailed description of the invention

To describe the technical solutions in the embodiments of the present invention more clearly, make required in being described below to embodiment Attached drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention, for For those of ordinary skill in the art, without creative efforts, it can also be obtained according to these attached drawings other Attached drawing, in which:

Fig. 1 is integral type of the invention from being in harmony the structural schematic diagram of one preferred embodiment of high density intelligent fuse.

Specific embodiment

The technical scheme in the embodiments of the invention will be clearly and completely described below, it is clear that described implementation Example is only a part of the embodiments of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, this field is common Technical staff's all other embodiment obtained without making creative work belongs to the model that the present invention protects It encloses.

Referring to Fig. 1, provide a kind of integral type from being in harmony high density intelligent fuse, including the first melt 1, the second melt 2, Connection terminal 3, cover board 4 and fusion tube 5.The both ends of first melt 1 and second melt 2 are connect with the connection terminal 3 Together, specifically: the both ends of first melt 1 and second melt 2 are welded to together with the connection terminal 3 , it can be spot-welded.The resistance of first melt 1 is less than the resistance of second melt 2.The cover board 4 is arranged At the both ends of the fusion tube 5, the cover board 4 and the fusion tube 5 are fixedly installed by screw and screw hole.The connection terminal 3, which pass through the cover board 4, is arranged, and the connection relationship of the connection terminal 3 and the cover board 4 does not limit, in the present embodiment, described Connection terminal 3 and the cover board 4 are fixedly installed by screw and screw hole.First melt 1 and second melt 2 are set It sets in the inside of the fusion tube 5 and the cover board 4.The type of the connection terminal 3 is unrestricted, only illustrates on figure, described The shape of connection terminal 3 can be disc, blade type, bolt-connected etc..

First melt 1 can for one or more, second melt 2 can for one or more, described first The resistance summation of melt 1 is less than the resistance summation of second melt 2.First melt 1 and second melt 2 connect side by side It is connected on common connection terminal 3.In the present embodiment, first melt 1 is one, and second melt 2 is one.Institute It is different to state the material category that the first melt 1 and second melt 2 use.The material of first melt 1 includes but is not limited to: Silver, copper, copper-silver composite material, without the homogeneity uniform alloy material of M- effect point, the material of second melt 2 include but It is not limited to: silver, copper, copper-silver composite material, the heterogeneous non-homogeneous alloy material with M- effect point or without the same of M- effect point Matter uniform alloy material.It only can be provided with M effect point 6 on second melt 2, will not be arranged on first melt 1.Institute State the effect of M effect point 6 are as follows: the fusing point for the material that the M effect point 6 uses is less than the fusing point of second melt 2, the M The presence of effect point 6 makes second melt 2 be easier to fuse.

First melt 1 is different with the physical characteristic of second melt 2, and the physical characteristic includes but is not limited to: Resistivity, resistivity-temperature variation characteristic, fusing point, heat capacity ratio etc..The geometry of first melt and second melt 2 Shape can be different, and general first melt 1 is upper wider in setting than second melt 2.The resistance value of first melt 1 Small with temperature raising variation, the resistance value of second melt 2 increases variation greatly with temperature.Heretofore described first melt 1 Resistance value with second melt 2 is initial resistivity value, and specially temperature is at 25 DEG C and following.First melt 1 and institute State the equal length of the second melt 2.

The material of the fusion tube 5 includes but is not limited to: ceramic material, melamine glass fibre are around tube material, resinous wood Material.The shape of the fusion tube does not also limit, and can be round or rectangular.First melt 1, second melt 2 and the M The material and shape of effect point 6 do not limit.

The integral type is from being in harmony the course of work of high density intelligent fuse are as follows: the integral type is intelligently molten from high density is in harmony Disconnected device is connect with power device, and electric current flows through the connection terminal, first melt and second melt.Because of described first The resistance value of melt is less than the resistance value of second melt, in normal operating conditions, by the electricity of first melt Flow valuve is greater than the current value of second melt.With continuing on for power device, first melt and described second melts The temperature of body also can be increased constantly.When there is big short circuit current to flow through, second melt can fuse, and then described One melt fuses again.The first melt main function is to influence and control the integral type from being in harmony high density intelligent fuse On state characteristic, the second melt main function are to influence and control the integral type from being in harmony the disjunction of high density intelligent fuse Characteristic.

First melt undertakes the integral type from the conduction property of high density intelligent fuse is in harmony, due to described first The resistance value of melt is low, thus the entire integral type from be in harmony high density intelligent fuse temperature rise and power consumption it is relatively low.Described Two melts include in the selection of narrow road, physical characteristics of materials from design, are all in favor of premised on quick disjunction.Due to Two melt resistance values are big, resistance value variation with temperature rate height adds M effect point, when occurring being enough to make the electric current of its disjunction to occur When, temperature, which can rise rapidly, leads to the second melt quick fuse, and after the second melt disjunction, electric current can be superimposed upon on the first melt and lead Cause the first melt quick fuse.

The beneficial effects of the present invention are:

One, the present invention is based on single, pure fuse principle, the electronics device for detecting, communicating, drive etc. it is not related to Part and mechanical part；

Two, the present invention is completed the induction and disjunction of fault current by fuse itself, and protection feature is by melt and medium Physical characteristic determine, it is entire that process fuse is protected to have the characteristics that be in harmony certainly completely；

Three, the present invention do not need detection and driving circuit, will not because of detection circuit failure (failure occur when have Higher occurrence probability) cause fuse that cannot play due protective effect；

Four, the present invention is not necessarily to when encountering failure and central processing unit communicates, and is reducing failure probability (when failure occurs Occurrence probability with higher) while, reaction process is shortened, response speed is improved；

Five, the present invention is not necessarily to ram, will not be due to the chemical invalidation of explosive and/or the mechanical failure (In of striker Failure occurrence probability with higher when occurring) cause fuse that cannot be operating normally；

Six, the configuration of the present invention is simple, building block are few, miniaturization easy to accomplish；

Seven, the present invention does not use explosive, and eliminating may draw in raw material storage, production and use site original explosive The risk risen；

Eight, the present invention is influenced by different types of melt and is controlled the different characteristics of fuse, can answer for different It is required with operating condition and protection, flexibly and easily designs various characteristics, realize the intelligent protection of fuse；

Nine, fuse system of the invention simplification, volume reduce, and it is close to have higher energy in same space fuse Degree.

The above description is only an embodiment of the present invention, is not intended to limit the scope of the invention, all to utilize this hair Equivalent structure or equivalent flow shift made by bright description is applied directly or indirectly in other relevant technology necks Domain is included within the scope of the present invention.