CN104701106B - Intelligent element for circuit breaker and preparation method thereof - Google Patents
Intelligent element for circuit breaker and preparation method thereof Download PDFInfo
- Publication number
- CN104701106B CN104701106B CN201510111121.8A CN201510111121A CN104701106B CN 104701106 B CN104701106 B CN 104701106B CN 201510111121 A CN201510111121 A CN 201510111121A CN 104701106 B CN104701106 B CN 104701106B
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- Prior art keywords
- intelligent element
- preparation
- alloy
- parts
- intelligent
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
- H01H71/08—Terminals; Connections
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H69/00—Apparatus or processes for the manufacture of emergency protective devices
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Conductive Materials (AREA)
Abstract
The invention relates to an intelligent element for a circuit breaker. The intelligent element comprises a head part and a tail part, wherein the head part is provided with a hole for mounting a wire, the tail part comprises two parts, and the wire is tied at the terminal of the tail part. Alloy after the cold processing is processed and formed according to the shape of the intelligent element, and the two parts of the tail part are bent to the two sides of the intelligent element; the processed and formed alloy is placed into a vacuum furnace for heating, and then the heated alloy is placed into cold water to be cooled to room temperature; the cooled alloy is straightened to the two parts bending to the two sides of the intelligent element, is fixed on a material with good heat-conducting property, is heated in liquid and cooled in cold water, and the alloy is heated and cooled for multiple times repeatedly. If the intelligent element is used for a breaker, fire caused by either overload or short-circuit of a circuit can be prevented effectively, and the circuit can be timely and automatically broken to be convenient for spraying water to fight the fire.
Description
Technical field
The present invention relates to field of circuit breakers, more particularly, to a kind of line-breaker intelligent element and preparation method thereof.
Background technology
About during January in 2015 afternoon 13 on the 2nd, location one storehouse is surrounded in Heilungkiang its influencing factors on Daowai district romote antiquity Jie Yunanxun street
Nearly 25 hours on fire of storehouse, warehouse on fire caves in, and causes firefighterses 5 people wrecked, 13 people are injured, separately has security personnel in 1 building
Injured, 549 families resident more than 2000 and partly overlooking trade company are disaster-stricken, burnt area 11000 square meter, and cave in area 3000 square meter.
In current fire, set out 152 fire fighting trucks, 642 fire fighters participate in rescue.January in 2015 Inner Mongol on the 31st Genhe City
The big fire that golden river plate industry workshop occurs, burns nearly 51 hours again, causes 6 people dead, 3 people are injured.The big fire of Harbin warehouse
The reason be that the circuit causing because of electric heater over loading is on fire.If equipped with such a chopper in the circuit of storehouse,
Circuit can be disconnected by its intelligent element in circuit over loading, or disconnects circuit when there is fire, is beneficial to water spray rescue.
If so, big fire is impossible to the so long time of burning, and also would not cause so big life and property loss.By
This is visible, and the preparation of its intelligent element has just become the key of problem.
Content of the invention
The purpose of the present invention is for overcoming the shortcomings of that prior art do not have automatic circuit break function, there is provided a kind of circuit breaks
Road device intelligent element and preparation method thereof.
For achieving the above object, the present invention adopts following technical proposals:
A kind of line-breaker intelligent element, including head and afterbody, wherein, described head is provided with for installing electricity
The hole of line, described afterbody includes two parts, and described two parts are arranged side by side, and electric wire system is combined in the end of described afterbody.Intelligence
The head of element and afterbody are all connected with electric wire, and then form path.
Preferably, described intelligent element is made up of Ti-Ni alloy.
Preferably, described intelligent element is integrally formed.
A kind of preparation method of line-breaker intelligent element, comprises the following steps:
(1) press the shape machine-shaping of described intelligent element with the Ti-Ni alloy after cold working, and two parts of afterbody add
Work is to two lateral bends；
(2) by the Ti-Ni alloy element of machine-shaping put in vacuum drying oven 400 DEG C -490 DEG C heat 1-10 hours, after will
Ti-Ni alloy element after heating is put into and is cooled to room temperature in cold water；
(3) two parts to two lateral bends of the Ti-Ni alloy element after cooling are smoothed out with the fingers directly, and be fixed on good heat conductivity
Material on, and put in 70 DEG C -95 DEG C of liquid heating 10-60s, place into cooling 10-60s in cold water, so heat, cold
But it is repeated 20-100 time.
Preferably, described cold water refers to that temperature is less than 25 degree of water.
Preferably, the material of described good heat conductivity refers in copper wire, copper ring, copper tube, aluminium wire, aluminum circle or aluminum pipe
Any one.
Preferably, the liquid in described step (3) is water or oil.
Preferably, when the temperature of intelligent element reaches 50 DEG C -90 DEG C, two parts of the afterbody of intelligent element will be to both sides
Bending.
Ti-Ni alloy element, after above-mentioned processed, has been provided with the intelligent work(of circuit fire chopper intelligent element
Energy.When over loading in circuit, or short circuit, or when catching fire, intelligent element temperature raises, two parts of the bifurcated of intelligent element
To two lateral bends, circuit will be automatically cut off；After circuit is repaired, or after fire is extinguished, that is, the temperature of intelligent element reaches
During room temperature, two parts of the bifurcated of intelligent element recover parallel, wait and connecting.
Beneficial effects of the present invention: preparation process is simple of the present invention, easy to use.For chopper, intelligent element point
Two parts of fork can automatically power off to two lateral bends when temperature is higher, can be prevented effectively from because of circuit over loading or draw because of short circuit
Send out big fire, or because other reasons are after big fire occurs, also can in time circuit be disconnected automatically, so that fire-fighting water spray fire fighting.So
The life and property loss of the people can be greatly reduced.
Brief description
Fig. 1 is the schematic shapes after embodiment of the present invention cold machine-shaping,
Fig. 2 is the schematic shapes of the present invention the 3rd step embodiment.
Wherein, 1, head, 2, afterbody.
Specific embodiment
The present invention will be further described with embodiment below in conjunction with the accompanying drawings.
Embodiment 1:
As shown in Fig. 2 a kind of line-breaker intelligent element, including head 1 and afterbody 2, wherein, described head 1 sets
It is equipped with the hole for installing electric wire, described afterbody 2 includes two parts, and this two parts is arranged side by side, and electric wire system is combined in described afterbody 2
Two-part end.
When over loading, short circuit or catches fire in the circuit that intelligent element is located, two of the afterbody 2 of described intelligent element
Point respectively to two lateral bends, as shown in Figure 1.When the temperature of intelligent element reaches 50 DEG C -90 DEG C, the two of the afterbody 2 of intelligent element
Part 2 will be to two lateral bends.Intelligent element is made up of Ti-Ni alloy.Intelligent element is integrally formed.
The preparation method of line-breaker intelligent element, comprises the following steps:
Circuit fire chopper intelligent element is prepared into shape as shown in Figure 1 by the Ti-Ni alloy after first step cold working
Shape, two parts of the afterbody 2 of intelligent element are to two lateral bends；
Second step by process, put in vacuum drying oven, is heated to 450 DEG C by shape Ti-Ni alloy element as shown in Figure 1,
After insulation 4 hours, taking-up is put into and is as cold as room temperature in cold water；
Two parts to two lateral bends of Ti-Ni alloy element after second step is processed by the 3rd step are smoothed out with the fingers directly, and its shape should be as
Shown in Fig. 2, and fixed with the material of good heat conductivity；
The Ti-Ni alloy fixing element is first put in 80 DEG C of hot water or other liquid by the 4th step, after heating 20 seconds,
Ti-Ni alloy element is taken out to place in cold water and cools down 20 seconds；Then again it is taken out from cold water, place in hot water and add
Heat 20 seconds.So it is repeated 90 times.
Described Ti-Ni alloy is 50 DEG C to 90 DEG C from the phase transformation design temperature that thermo elastic martensite changes to parent phase, that is, work as intelligence
The temperature of energy element reaches 50 DEG C -90 DEG C, and electric wire will will be supportted by two parts of the afterbody 2 of intelligent element to two lateral bends
Disconnected, and then make line broken circuit.
The material of described good heat conductivity refers to copper ring.
Embodiment 2
The preparation method of line-breaker intelligent element, comprises the following steps:
Circuit fire chopper intelligent element is prepared into shape as shown in Figure 1 by the Ti-Ni alloy after first step cold working
Shape, two parts of the afterbody 2 of intelligent element are to two lateral bends；
Second step by process, put in vacuum drying oven, is heated to 460 DEG C by shape Ti-Ni alloy element as shown in Figure 1,
After insulation 5 hours, taking-up is put into and is as cold as room temperature in cold water；
Two parts to two lateral bends of Ti-Ni alloy element after second step is processed by the 3rd step are smoothed out with the fingers directly, and its shape should be as
Shown in Fig. 2, and fixed with the material of good heat conductivity；
The Ti-Ni alloy fixing element is first put in 70 DEG C of hot water or other liquid by the 4th step, after heating 30 seconds,
Ti-Ni alloy element is taken out to place in cold water and cools down 30 seconds；Then again it is taken out from cold water, place in hot water and add
Heat 30 seconds.So it is repeated 85 times.
Described Ti-Ni alloy is 50 DEG C to 90 DEG C from the phase transformation design temperature that thermo elastic martensite changes to parent phase, that is, work as intelligence
The temperature of energy element reaches 50 DEG C -90 DEG C, and two parts of the afterbody 2 of intelligent element will be to two lateral bends.
The material of described good heat conductivity refers to copper ring.
Embodiment 3
The preparation method of line-breaker intelligent element, comprises the following steps:
Circuit fire chopper intelligent element is prepared into shape as shown in Figure 1 by the Ti-Ni alloy after first step cold working
Shape, two parts of the afterbody 2 of intelligent element are to two lateral bends；
Second step by process, put in vacuum drying oven, is heated to 440 DEG C by shape Ti-Ni alloy element as shown in Figure 1,
After insulation 6 hours, taking-up is put into and is as cold as room temperature in cold water；
3rd step second step is processed after Ti-Ni alloy element smooth out with the fingers directly to two parts 2 of two lateral bends, its shape should
As shown in Fig. 2 and being fixed with the material of good heat conductivity；
The Ti-Ni alloy fixing element is first put in 90 DEG C of hot water or other liquid by the 4th step, after heating 10 seconds,
Ti-Ni alloy element is taken out to place in cold water and cools down 10 seconds；Then again it is taken out from cold water, place in hot water and add
Heat 10 seconds.So it is repeated 100 times.
Described Ti-Ni alloy is 50 DEG C to 90 DEG C from the phase transformation design temperature that thermo elastic martensite changes to parent phase, that is, work as intelligence
The temperature of energy element reaches 50 DEG C -90 DEG C, and two parts of the bifurcated of intelligent element will be to two lateral bends.
The material of described good heat conductivity refers to copper tube.
Although the above combines accompanying drawing and the specific embodiment of the present invention is described, not the present invention is protected
The restriction of shield scope, those skilled in the art should be understood that on the basis of technical scheme, the skill of this area
Art personnel do not need to pay various modifications or the deformation that creative work can be made, but its still protection scope of the present invention with
Interior.
Claims (8)
1. a kind of preparation method of line-breaker intelligent element it is characterised in that: comprise the following steps:
(1) press the shape machine-shaping of described intelligent element with the Ti-Ni alloy after cold working, and two parts of afterbody are to both sides
Bending；Described intelligent element, including head and afterbody, wherein, described head is provided with the hole for installing electric wire, described afterbody
Including two parts, described two parts are arranged side by side, and electric wire system is combined in the end of described afterbody, the head of intelligent element and afterbody
All it is connected with electric wire, form path;
(2) by the Ti-Ni alloy element of machine-shaping put in vacuum drying oven 400 DEG C -490 DEG C heat 1-10 hours, after will heat
Ti-Ni alloy element afterwards is put into and is cooled to room temperature in cold water；
(3) two parts to two lateral bends of the Ti-Ni alloy element after cooling are smoothed out with the fingers directly, and be fixed on the material of good heat conductivity
On material, and put into heating 10-60s in 70 DEG C -95 DEG C of liquid, place into cooling 10-60s in cold water, so heating, cooling is anti-
Carry out 20-100 time again.
2. intelligent element according to claim 1 preparation method it is characterised in that: described intelligent element is integrally formed.
3. intelligent element according to claim 1 preparation method it is characterised in that: described cold water refers to that temperature is less than 25
The water of degree.
4. intelligent element according to claim 1 preparation method it is characterised in that: the material of described good heat conductivity is
Refer to any one in copper wire, copper ring, copper tube, aluminium wire, aluminum circle or aluminum pipe.
5. intelligent element according to claim 4 preparation method it is characterised in that: the material of described good heat conductivity is
Refer to copper tube or copper ring.
6. intelligent element according to claim 1 preparation method it is characterised in that: the liquid in described step (3) is
Water.
7. intelligent element according to claim 1 preparation method it is characterised in that: the liquid in described step (3) is
Oil.
8. the preparation of claim 1-7 arbitrary described preparation method intelligent element it is characterised in that: when the temperature of intelligent element reaches
During to 50 DEG C -90 DEG C, two parts of the afterbody of described intelligent element are respectively to two lateral bends.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510111121.8A CN104701106B (en) | 2015-03-13 | 2015-03-13 | Intelligent element for circuit breaker and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510111121.8A CN104701106B (en) | 2015-03-13 | 2015-03-13 | Intelligent element for circuit breaker and preparation method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104701106A CN104701106A (en) | 2015-06-10 |
| CN104701106B true CN104701106B (en) | 2017-02-01 |
Family
ID=53348118
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510111121.8A Expired - Fee Related CN104701106B (en) | 2015-03-13 | 2015-03-13 | Intelligent element for circuit breaker and preparation method thereof |
Country Status (1)
| Country | Link |
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| CN (1) | CN104701106B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109637903A (en) * | 2018-12-31 | 2019-04-16 | 杭州天启钛智能科技有限公司 | A kind of intelligent breaker |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2944579C2 (en) * | 1979-11-05 | 1986-02-20 | Brown, Boveri & Cie Ag, 6800 Mannheim | Low-voltage circuit breaker |
| JPS6077329A (en) * | 1983-10-04 | 1985-05-01 | 株式会社安川電機 | Current limiting breaker |
| JPS6467835A (en) * | 1987-09-09 | 1989-03-14 | Hitachi Ltd | Overheat preventing device for motor |
| JPH02103834A (en) * | 1988-10-13 | 1990-04-16 | Idec Izumi Corp | Circuit breaker |
| US5420561A (en) * | 1994-01-21 | 1995-05-30 | Littlefuse, Inc. | Breaker or resettable fuse device |
| CN1317478C (en) * | 2004-02-25 | 2007-05-23 | 山东大学 | Emergency door (Window) with auto induction and opening shen fire occurred |
| CN2789919Y (en) * | 2005-05-12 | 2006-06-21 | 甘肃省机械科学研究院 | Memory alloy micro temperature controller |
-
2015
- 2015-03-13 CN CN201510111121.8A patent/CN104701106B/en not_active Expired - Fee Related
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| Publication number | Publication date |
|---|---|
| CN104701106A (en) | 2015-06-10 |
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Granted publication date: 20170201 Termination date: 20180313 |