CN108597967A - A kind of thermal tripping broken circuit protecting equipment pushing away formula based on sheet metal - Google Patents
A kind of thermal tripping broken circuit protecting equipment pushing away formula based on sheet metal Download PDFInfo
- Publication number
- CN108597967A CN108597967A CN201810045786.7A CN201810045786A CN108597967A CN 108597967 A CN108597967 A CN 108597967A CN 201810045786 A CN201810045786 A CN 201810045786A CN 108597967 A CN108597967 A CN 108597967A
- Authority
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- China
- Prior art keywords
- sheet metal
- plate
- connecting plate
- thermal
- support plate
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 239000002184 metal Substances 0.000 title claims abstract description 101
- 229910052751 metal Inorganic materials 0.000 title claims abstract description 101
- 230000003068 static effect Effects 0.000 claims abstract description 21
- 238000004804 winding Methods 0.000 claims description 9
- 230000000694 effects Effects 0.000 claims description 7
- 238000010521 absorption reaction Methods 0.000 claims description 6
- 238000009413 insulation Methods 0.000 claims description 5
- 229920000642 polymer Polymers 0.000 claims description 5
- 230000001276 controlling effect Effects 0.000 claims description 3
- 239000012774 insulation material Substances 0.000 claims description 3
- 230000001105 regulatory effect Effects 0.000 claims description 3
- 238000010438 heat treatment Methods 0.000 abstract description 6
- 238000000926 separation method Methods 0.000 abstract description 6
- 206010039509 Scab Diseases 0.000 description 15
- 238000010586 diagram Methods 0.000 description 4
- 150000002739 metals Chemical class 0.000 description 3
- 230000005284 excitation Effects 0.000 description 2
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 2
- 239000010931 gold Substances 0.000 description 2
- 229910052737 gold Inorganic materials 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000686 essence Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Classifications
-
- 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
- H01H71/10—Operating or release mechanisms
- H01H71/12—Automatic release mechanisms with or without manual release
- H01H71/14—Electrothermal mechanisms
- H01H71/16—Electrothermal mechanisms with bimetal element
Landscapes
- Breakers (AREA)
Abstract
The invention discloses a kind of thermal tripping broken circuit protecting equipments pushing away formula based on sheet metal, are related to circuit overloads, short-circuit protection field.In the present invention：It is installed with the plate structure being made of the first sheet metal and the second sheet metal between a pair of first support plate；The first pushing plate is fixedly connected on first connecting rod；First connecting plate is fixedly connected with third support plate on the side of first connecting rod；The side of second support plate is fixedly connected with the plate structure being made of third sheet metal and the 4th sheet metal.The present invention drives the separation of the second moving contact and the second static contact by the first sheet metal and the second sheet metal expanded by heating, to disconnect the magnetic force of field core, directly releases the pressing force in device between the first moving contact and the first static contact；The action of the first pushing plate is pushed by third sheet metal and the 4th sheet metal expanded by heating simultaneously, completes the separation of the first pinch plate and the second pinch plate so that the first moving contact is detached with the first static contact, to disconnect faulty circuit.
Description
Technical field
The present invention relates to circuit overloads, short-circuit protection field more particularly to a kind of heat pushing away formula based on sheet metal
Dropout broken circuit protecting equipment.
Background technology
Breaker is the electric current for referring to close, carry and cut-off under normal loop condition and can close, when defined
Interior carrying and the switching device for cut-offfing the electric current under abnormal loop condition.
When overload, short circuit occur for circuit, high current is generated in circuit loop, high current can be to electric device and circuit system
System causes huge damage, using the timely disconnecting circuit of breaker, can effectively prevent influence of the high current to circuit and device.
In breaker, the principle of amount of heat is generated using high current, using a kind of knockdown expansion of metal, to drive
Circuit disconnects, and is a kind of more effective tripping system；But since the contact between the requirement contact in some breakers is close,
To ensure it is good conduct, the separation of conductive contact cannot be effectively completed only by simple thermal expansion metal, is had
Effect solves the problems, such as this, becomes the important prerequisite for improving breaker actuation efficiency.
Invention content
The technical problem to be solved in the present invention is to provide a kind of thermal tripping broken circuit protecting equipment pushing away formula based on sheet metal,
By the first sheet metal and the second sheet metal expanded by heating, the compression between the first moving contact and the first static contact in device is released
Dynamics；The action of the first pushing plate is pushed by third sheet metal and the 4th sheet metal expanded by heating simultaneously, disconnects faulty circuit.
In order to solve the above technical problems, the present invention is achieved by the following technical solutions：
The present invention provides a kind of thermal tripping broken circuit protecting equipment pushing away formula based on sheet metal, including crust of the device and excitation
Iron core, winding coil windings on field core, field core are installed on crust of the device；The both sides of field core are equipped with one
To the first support plate, a pair of first support plate is fixed on crust of the device, is installed with by the first gold medal between a pair of first support plate
Belong to the plate structure that piece and the second sheet metal are constituted.
Including first connecting rod, one end of first connecting rod is fixedly connected with absorption plate, and the other end of first connecting rod, which is fixed, to be connected
It is connected to the first connecting plate, the first pushing plate is fixedly connected on first connecting rod；First connecting plate is fixed on the side of first connecting rod to be connected
Third support plate is connect, the other end of the first connecting plate is the first buckle block structure.
Including the second connecting plate, one end of the second connecting plate is fixedly connected with adjusting connecting rod, and the other end of the second connecting plate is second
Block structure is buckled, fixed be installed with moves tactile connecting plate on the second connecting plate；It adjusts and is arranged with adjustment spring on connecting rod, the one of adjustment spring
End is connected with the second connecting plate, and the other end of adjustment spring is connected with crust of the device.
Including a pair of of stationary contact connecting plate and thermal element, stationary contact connecting plate is connected by electric lead with thermal element.
Including the second support plate, the second support plate is installed in crust of the device, and the side of the second support plate, which is fixed, to be connected
It is connected to the plate structure being made of third sheet metal and the 4th sheet metal.
Wherein, the both ends for the plate structure that the first sheet metal and the second sheet metal are constituted are fixedly connected with activity even block；It is living
Dynamic even block is flexibly connected by pivot structure with the first support plate.
Wherein, the plate structure that the first sheet metal and the second sheet metal are constituted is tightly attached on field core；First sheet metal
And second sheet metal constitute plate structure be located at field core and adsorb plate between；The coefficient of thermal expansion of first sheet metal is small
In the coefficient of thermal expansion of the second sheet metal.
Wherein, thermal element is located at the plate structure and third sheet metal and the 4th that the first sheet metal and the second sheet metal are constituted
Between the plate structure that sheet metal is constituted；The plate structure that third sheet metal and the 4th sheet metal are constituted is located at thermal element and first
Between pushing plate；The coefficient of thermal expansion of third sheet metal is more than the coefficient of thermal expansion of the 4th sheet metal.
Wherein, the end side of third support plate is equipped with the second moving contact, is fixed with and the second moving contact position in crust of the device
Set matched second static contact；Including regulating and controlling power supply, coil windings, the second static contact on field core, the second moving contact
With regulation and control electric power generating composition electric loop.
Wherein, the first connecting plate, which is equipped with, resets rod structure；The position of the first buckle block on first connecting plate, structure and second
The position of the second buckle block on connecting plate, structure match.
Wherein, crust of the device both sides are fixed with a pairs of posts, are not connected with the stationary contact connecting plate and a binding post of thermal element
It is connected by electric lead, thermal element is connected with another binding post by electric lead.
Wherein, it moves tactile connecting plate and is equipped with a pair of first moving contact, stationary contact connecting plate is equipped with the first static contact；First moving contact
It is matched with the position of the first static contact.
Wherein, the first support plate, the second support plate are all polymeric thermal insulation materials plate；First connecting rod is polymer insulation
Bar；First connecting plate, the second connecting plate and third support plate are all polymer insulation plate.
Compared with prior art, the beneficial effects of the invention are as follows：
The present invention drives the second moving contact and the second static contact by the first sheet metal and the second sheet metal expanded by heating
Separation directly releases the pressing force in device between the first moving contact and the first static contact to disconnect the magnetic force of field core
Degree；The action of the first pushing plate is pushed by third sheet metal and the 4th sheet metal expanded by heating simultaneously, to which the first connecting plate of linkage is dynamic
Make, complete the separation of the first pinch plate and the second pinch plate so that the first moving contact is detached with the first static contact, to disconnect event
Hinder circuit.
Description of the drawings
Fig. 1 is the thermal tripping broken circuit protecting equipment system structure diagram that formula is pushed away based on sheet metal of the present invention；
Fig. 2 is the structural schematic diagram of partial enlargement at A in Fig. 1；
Fig. 3 is the structural schematic diagram of partial enlargement at B in Fig. 1；
Fig. 4 is the structural schematic diagram of partial enlargement at C in Fig. 1；
Wherein：1- crusts of the device；2- field cores；The first support plates of 3-；4- first connecting rods；The first pushing plates of 5-；6-
One connecting plate；7- first buckles block；The second connecting plates of 8-；9- second buckles block；10- thermal elements；11- binding posts；12- adjusts connecting rod；
The dynamic tactile connecting plates of 13-；14- adjustment springs；15- stationary contact connecting plates；The first moving contacts of 16-；The first static contacts of 17-；18- second is supported
Plate；19- adsorbs plate；20- activities connect block；The first sheet metals of 21-；The second sheet metals of 22-；23- third sheet metals；24- the 4th
Sheet metal；25- third support plates；The second moving contacts of 26-；The second static contacts of 27-；28- regulates and controls power supply；29- release links.
Specific implementation mode
In order to make the purpose , technical scheme and advantage of the present invention be clearer, with reference to the accompanying drawings and embodiments, right
The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and
It is not used in the restriction present invention.
Specific embodiment one：
It please referring to Fig.1 shown in -4, the present invention is a kind of thermal tripping broken circuit protecting equipment pushing away formula based on sheet metal, including
Crust of the device 1 and field core 2, winding coil windings on field core 2, field core 2 are installed on crust of the device 1；
The both sides of field core 2 are equipped with a pair of first support plate 3, and a pair of first support plate 3 is fixed on crust of the device 1, a pair first
The plate structure being made of the first sheet metal 21 and the second sheet metal 22 is installed between support plate 3.
Including first connecting rod 4, one end of first connecting rod 4 is fixedly connected with absorption plate 19, and the other end of first connecting rod 4 is solid
Surely it is connected with the first connecting plate 6, the first pushing plate 5 is fixedly connected on first connecting rod 4；First connecting plate 6 leans on the side of first connecting rod 4
On be fixedly connected with third support plate 25, the other end of the first connecting plate 6 is the first buckle 7 structure of block.
Including the second connecting plate 8, one end of the second connecting plate 8, which is fixedly connected with, adjusts connecting rod 12, and the other end of the second connecting plate 8 is
Second buckles 9 structure of block, and fixed be installed with moves tactile connecting plate 13 on the second connecting plate 8；It adjusts and is arranged with adjustment spring 14 on connecting rod 12,
One end of adjustment spring 14 is connected with the second connecting plate 8, and the other end of adjustment spring 14 is connected with crust of the device 1.
Including a pair of of stationary contact connecting plate 15 and thermal element 10, stationary contact connecting plate 15 is connected by electric lead with thermal element 10.
Including the second support plate 18, the second support plate 18 is installed in crust of the device 1, the side of the second support plate 18
It is fixedly connected with the plate structure being made of third sheet metal 23 and the 4th sheet metal 24.
Further, the both ends for the plate structure that the first sheet metal 21 and the second sheet metal 22 are constituted are fixedly connected with activity
Even block 20；Even block 20 is flexibly connected by pivot structure with the first support plate 3 for activity.
Further, the plate structure that the first sheet metal 21 and the second sheet metal 22 are constituted is tightly attached on field core 2；The
The plate structure that one sheet metal 21 and the second sheet metal 22 are constituted is located between field core 2 and absorption plate 19；First metal
The coefficient of thermal expansion of piece 21 is less than the coefficient of thermal expansion of the second sheet metal 22.
Further, thermal element 10 is located at the plate structure and third gold that the first sheet metal 21 and the second sheet metal 22 are constituted
Belong between piece 23 and the plate structure of the 4th sheet metal 24 composition；The plate knot that third sheet metal 23 and the 4th sheet metal 24 are constituted
Structure is located between thermal element 10 and the first pushing plate 5；The coefficient of thermal expansion of third sheet metal 23 is more than the heat of the 4th sheet metal 24
The coefficient of expansion.
Further, the end side of third support plate 25 is equipped with the second moving contact 26, is fixed in crust of the device 1 and second
Matched second static contact in 26 position of moving contact 27；It is coil windings on field core 2, second quiet including regulating and controlling power supply 28
Contact 27, the second moving contact 26 and regulation and control power supply 28 constitute electric loop.
Further, the first connecting plate 6 is equipped with 29 structure of release link；The position of the first buckle block 7 on first connecting plate 6,
Structure is matched with the position of the second buckle block 9 on the second connecting plate 8, structure.
Further, 1 both sides of crust of the device are fixed with a pairs of posts 11, are not connected with the stationary contact connecting plate 15 of thermal element 10
It is connected by electric lead with a binding post 11, thermal element 10 is connected with another binding post 11 by electric lead.
Further, it moves tactile connecting plate 13 and is equipped with a pair of first moving contact 16, stationary contact connecting plate 15 is equipped with the first static contact
17；First moving contact 16 is matched with the position of the first static contact 17.
Further, the first support plate 3, the second support plate 18 are all polymeric thermal insulation materials plate；First connecting rod 4 is high score
Insulating sublayer bar；First connecting plate 6, the second connecting plate 8 and third support plate 25 are all polymer insulation plate.
Specific embodiment two：
In apparatus of the present invention, when overload, short circuit occur for circuit, thermal element 10 generates amount of heat, at this time by first
The plate structure that sheet metal 21 and the second sheet metal 22 are constituted bends, and absorption plate 19 is pushed away, to the third branch that links
The second moving contact 26 on fagging 25 is detached with the second static contact 27 so that field core 2 powers off loss of excitation, directly eliminates magnetic force
Resistance.
Meanwhile the plate structure being made of third sheet metal 23 and the 4th sheet metal 24 bends, and further pushes
One pushing plate 5 acts, to which the first buckle block 7 of linkage is detached with the second buckle block 9 so that the first moving contact 16 and the first stationary contact
First 17 separation.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
All any modification, equivalent and improvement etc., should all be included in the protection scope of the present invention made by within refreshing and principle.
Claims (9)
1. a kind of thermal tripping broken circuit protecting equipment pushing away formula based on sheet metal, it is characterised in that：
Including crust of the device (1) and field core (2), winding coil windings on the field core (2), field core (2) is admittedly
Surely it is installed on crust of the device (1)；
The both sides of the field core (2) are equipped with a pair of first support plate (3), and a pair of first support plate (3) is fixed on outside device
On shell (1), the plate being made of the first sheet metal (21) and the second sheet metal (22) is installed between a pair of first support plate (3)
Structure；
Including first connecting rod (4), one end of the first connecting rod (4) is fixedly connected with absorption plate (19), first connecting rod (4)
The other end is fixedly connected with the first connecting plate (6), and the first pushing plate (5) is fixedly connected on the first connecting rod (4)；
First connecting plate (6) is fixedly connected with third support plate (25), first connecting plate on the side of first connecting rod (4)
(6) the other end is first buckle block (7) structure；
Including the second connecting plate (8), one end of second connecting plate (8), which is fixedly connected with, adjusts connecting rod (12), second connecting plate
(8) the other end is second buckle block (9) structure, is fixed on the second connecting plate (8) and is installed with dynamic tactile connecting plate (13)；
Adjustment spring (14), one end and the second connecting plate (8) of the adjustment spring (14) are arranged on the adjusting connecting rod (12)
It is connected, the other end of the adjustment spring (14) is connected with crust of the device (1)；
Including a pair of of stationary contact connecting plate (15) and thermal element (10), the stationary contact connecting plate (15) passes through electric lead and thermal element (10) phase
Even；
Including the second support plate (18), second support plate (18) is installed in crust of the device (1), second support
The side of plate (18) is fixedly connected with the plate structure being made of third sheet metal (23) and the 4th sheet metal (24).
2. a kind of thermal tripping broken circuit protecting equipment pushing away formula based on sheet metal according to claim 1, it is characterised in that：
The both ends for the plate structure that first sheet metal (21) and the second sheet metal (22) are constituted are fixedly connected with activity even block
(20)；
Even block (20) is flexibly connected by pivot structure with the first support plate (3) for the activity.
3. a kind of thermal tripping broken circuit protecting equipment pushing away formula based on sheet metal according to claim 1, it is characterised in that：
The plate structure that first sheet metal (21) and the second sheet metal (22) are constituted is tightly attached on field core (2)；
The plate structure that first sheet metal (21) and the second sheet metal (22) are constituted is located at field core (2) and absorption plate
(19) between；
The coefficient of thermal expansion of first sheet metal (21) is less than the coefficient of thermal expansion of the second sheet metal (22).
4. a kind of thermal tripping broken circuit protecting equipment pushing away formula based on sheet metal according to claim 1, it is characterised in that：
The thermal element (10) is located at the plate structure and third metal that the first sheet metal (21) and the second sheet metal (22) are constituted
Between the plate structure that piece (23) and the 4th sheet metal (24) are constituted；
The plate structure that the third sheet metal (23) and the 4th sheet metal (24) are constituted is located at thermal element (10) and is promoted with first
Between plate (5)；
The coefficient of thermal expansion of the third sheet metal (23) is more than the coefficient of thermal expansion of the 4th sheet metal (24).
5. a kind of thermal tripping broken circuit protecting equipment pushing away formula based on sheet metal according to claim 1, it is characterised in that：
The end side of the third support plate (25) is equipped with the second moving contact (26), is fixed in described device shell (1) and the
Matched second static contact (27) in two moving contacts (26) position；
Including regulating and controlling power supply (28), coil windings, the second static contact (27) on the field core (2), the second moving contact
(26) and regulation and control power supply (28) constitutes electric loop.
6. a kind of thermal tripping broken circuit protecting equipment pushing away formula based on sheet metal according to claim 1, it is characterised in that：
First connecting plate (6) is equipped with release link (29) structure；
Position, structure and the second buckle block (9) on the second connecting plate (8) of the first buckle block (7) on first connecting plate (6)
Position, structure matches.
7. a kind of thermal tripping broken circuit protecting equipment pushing away formula based on sheet metal according to claim 1, it is characterised in that：
Described device shell (1) both sides are fixed with a pairs of posts (11), the stationary contact connecting plate (15) of the not connected thermal element (10)
It is connected by electric lead with a binding post (11), the thermal element (10) is connected with another binding post (11) by electric lead
It connects.
8. a kind of thermal tripping broken circuit protecting equipment pushing away formula based on sheet metal according to claim 1, it is characterised in that：
The dynamic tactile connecting plate (13) is equipped with a pair of first moving contact (16), and the stationary contact connecting plate (15) is equipped with the first static contact
(17)；
First moving contact (16) matches with the position of the first static contact (17).
9. a kind of thermal tripping broken circuit protecting equipment pushing away formula based on sheet metal according to claim 1, it is characterised in that：
First support plate (3), the second support plate (18) are all polymeric thermal insulation materials plate；
The first connecting rod (4) is polymer insulation bar；
First connecting plate (6), the second connecting plate (8) and third support plate (25) are all polymer insulation plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810045786.7A CN108597967B (en) | 2018-01-17 | 2018-01-17 | A kind of thermal tripping broken circuit protecting equipment pushing away formula based on sheet metal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810045786.7A CN108597967B (en) | 2018-01-17 | 2018-01-17 | A kind of thermal tripping broken circuit protecting equipment pushing away formula based on sheet metal |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108597967A true CN108597967A (en) | 2018-09-28 |
| CN108597967B CN108597967B (en) | 2019-09-13 |
Family
ID=63608390
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810045786.7A Active CN108597967B (en) | 2018-01-17 | 2018-01-17 | A kind of thermal tripping broken circuit protecting equipment pushing away formula based on sheet metal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108597967B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111342351A (en) * | 2020-04-09 | 2020-06-26 | 杭州千耘贸易有限公司 | Block terminal extinguishing device based on electromagnetic induction principle |
| CN111613979A (en) * | 2020-06-08 | 2020-09-01 | 杭州千耘贸易有限公司 | Alternating current distribution arc protection device capable of avoiding misoperation |
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| JPH11185575A (en) * | 1997-12-25 | 1999-07-09 | Meidensha Corp | High voltage air break switch |
| CN2485781Y (en) * | 2001-04-09 | 2002-04-10 | 成劭颖 | Overload protecter |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111342351A (en) * | 2020-04-09 | 2020-06-26 | 杭州千耘贸易有限公司 | Block terminal extinguishing device based on electromagnetic induction principle |
| CN111613979A (en) * | 2020-06-08 | 2020-09-01 | 杭州千耘贸易有限公司 | Alternating current distribution arc protection device capable of avoiding misoperation |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108597967B (en) | 2019-09-13 |
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