CN202444256U - Surge protection device - Google Patents
Surge protection device Download PDFInfo
- Publication number
- CN202444256U CN202444256U CN2012200793334U CN201220079333U CN202444256U CN 202444256 U CN202444256 U CN 202444256U CN 2012200793334 U CN2012200793334 U CN 2012200793334U CN 201220079333 U CN201220079333 U CN 201220079333U CN 202444256 U CN202444256 U CN 202444256U
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- CN
- China
- Prior art keywords
- surge
- conductive pin
- sideboard
- protection device
- module frame
- 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.)
- Expired - Lifetime
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- Emergency Protection Circuit Devices (AREA)
Abstract
A surge protection device is characterized in that a movable baffle is located at a cut-off position under action of an elastic element when a soldering layer is melted and a movable conducting pin is separated from a surge-proof element. The surge protection device comprises a first arc striking piece, a fuse wire, a second arc striking piece and a fixed conducting pin sequentially. The fixed conducting pin is arranged on the surge-proof element, the movable baffle is provided with a conductive piece, and the conductive piece is connected with the first arc striking piece when the movable baffle is located at the cut-off position. Heavy-current arc is guided to an arc striking path and then cut off by the fuse wire instantly as needed, so that short-circuit faults for various reasons can be isolated by the surge protection device reliably. The surge protection device has kiloampere-level capacity, and the safety performance thereof is much higher than that of the like product.
Description
Technical field
The utility model relates to a kind of electic protection switch, especially a kind of surge protector.
Background technology
Surge and crest voltage (pulse) are meant the increase of " routine " voltage, are caused by the increase of violent change or electricity needs usually.Open big surge power electrical equipment, dust catcher, air-conditioning, washing machine and can cause surge and crest voltage.The interference of any type can both damage electronic equipment.Exceed actual maintenance range.In addition, the daily of bad weather (lightning) and Utilities Electric Co. draws barrier gate and maintenance work all can bring destructive surge to power line.Surge protector can be released the extra voltage and the pulse high current of danger into the earth as automatic electric power sluice, prevents that most of such dangerous voltages from damaging your sensitive equipment.
Existing surge protector, when anti-surge element deterioration is damaged or temporary overvoltage when having surpassed the ability of element tolerance, anti-surge element will breakdown short circuit; This moment element heating, low temperature scolding tin melts, elastic baffle by the flexible member top down; Movable conductive pin and anti-surge element are separated; But this moment, at prospective short circuit current under the situation of kilo-ampere level, though between movable conductive pin and the anti-surge element at a distance from empty; But the electric arc that still has big flow passes through, and causes blast, the burning of a lot of surge protectors.
The utility model content
The problem that the utility model will solve be improve surge protector in the background technology when electric current is big, can occur explode, burning makes the problem of its poor stability.
In order to overcome the above problems, the utility model provides a kind of surge protector, comprises module frame, sideboard, flexible member, movable conductive pin, soldering-tin layer, anti-surge element; Said anti-surge element is fixed in module frame; Said movable conductive pin one end is fixed in module frame, and the other end is fixed in anti-surge element through soldering-tin layer, and said sideboard is located between movable conductive pin and the anti-surge element; Be provided with flexible member between said sideboard and the module frame; When movable conductive pin one end was fixed in anti-surge element through soldering-tin layer, said sideboard was in the normal position, when soldering-tin layer is melted, movable conductive pin is during with the disengagement of anti-surge element; Said sideboard is under the effect of flexible member and cuts off the position; Described surge protector also includes successively the first striking sheet that connects, fusible link, the second striking sheet, fixing conductive pin, and said fixedly conductive pin is located at and is prevented that said sideboard is provided with conducting strip on the surge element; Cut off the position when said sideboard is in, said conducting strip is communicated in the first striking sheet.
Said anti-surge element is fixed in module frame through fixedly conductive pin integrated with it.
Said sideboard is a ceramic material.
The described surge protector of the utility model, its beneficial effect is: because described surge protector also includes successively the first striking sheet that connects, fusible link, the second striking sheet, fixing conductive pin, said fixedly conductive pin is located at and is prevented on the surge element; Said sideboard is provided with conducting strip; Cut off the position when said sideboard is in, said conducting strip is communicated in the first striking sheet, make the electric arc of big flow be introduced on the striking path after moment by the fusible link disjunction; Like this; The reliable disjunction of this product the short trouble that causes of a variety of causes, ability reaches more than the kilo-ampere level, security performance is higher than like product far away.
Description of drawings
Accompanying drawing 1 is the described surge protector internal structure of a utility model sketch map
Electric arc moved towards sketch map when accompanying drawing 2 was the described surge protector arc extinguishing of the utility model
1, module frame; 2, the first striking sheet; 3, conducting strip; 4, sideboard; 5, fusible link; 6, flexible member; 7, the second striking sheet; 8, movable conductive pin; 9, indicating piece; 10, soldering-tin layer; 11, indicating window; 12, anti-surge element; 13, fixing conductive pin.
Embodiment
Below in conjunction with accompanying drawing a kind of surge protector of the utility model is described further.
Shown in Fig. 1, Fig. 2, the surge protector of present embodiment comprises module frame 1, sideboard 4, flexible member 6, movable conductive pin 8, soldering-tin layer 10, anti-surge element 12; Anti-surge element 12 is fixed in module frame 1; Movable conductive pin 8 one ends are fixed in module frame 1, and the other end is fixed in anti-surge element 12 through soldering-tin layer 10, and sideboard 4 is located between movable conductive pin 8 and the anti-surge element 12; Be provided with flexible member 6 between sideboard 4 and the module frame 1; When movable conductive pin 8 one ends were fixed in anti-surge element 12 through soldering-tin layer 10, sideboard 4 was in the normal position, when soldering-tin layer 10 is melted, when movable conductive pin 8 is thrown off with anti-surge element 12; Sideboard 4 is under the effect of flexible member and cuts off the position; Surge protector also includes successively the first striking sheet 2 that connects, fusible link 5, the second striking sheet 7, fixing conductive pin 13, and fixedly conductive pin 13 is located at and is prevented that sideboard 4 is provided with conducting strip 3 on the surge element 12; Cut off the position when sideboard 4 is in, conducting strip 3 is communicated in the first striking sheet 2.
The anti-surge element 12 of the surge protector in the present embodiment is fixed on the module frame 1 through the fixedly conductive pin 13 that carries; Movable conductive pin 8 one ends are fixed on the module frame 1; The other end welds together through low temperature soldering-tin layer 10 and anti-surge element 12; Be mounted with the high temperature resistant high voltage withstanding sideboard 4 of a slice between movable conductive pin 8 and the anti-surge element 12; A slice conducting strip 3 is installed on the sideboard 4, and conducting strip 3 can keep sliding contact with movable conductive pin 8, and sideboard 4 two ends are equipped with two flexible members 6; When operate as normal, the surge that overvoltage causes reaches fixedly conductive pin 13 inflow ground wires through movable conductive pin 8 through anti-surge element 12.The outstanding feature of the surge protector of present embodiment just is that sideboard 4 contacts with the first striking sheet 2 at the conducting strip that will attach at last on it of movable stroke; Shown in arrow among Fig. 2; Article one, complete striking path has formed: 3 to first striking sheets 2 are to fusible link 5 from movable conductive pin 8 to conducting strip; Fusible link 5 just can take the circumstances into consideration to use one or several series connection according to the height of working voltage and the big I of breaking capacity, arrives fixedly conductive pin 13 again to the second striking sheet 7 again.Moment was by the fusible link disjunction after electric arc was introduced on the striking path.Said module frame 1 is provided with indicating window 11, and said conducting strip 3 is provided with indicating piece 9.Make indicating piece 9 under conducting strip 3 drives, drop in the indicating window 11 prompting changing simultaneously.Like this, the reliable disjunction of this product the short trouble that causes of a variety of causes, ability reaches more than the kilo-ampere level, security performance is higher than like product far away.
In the present embodiment, said anti-surge element 12 is fixed in module frame 1 through fixedly conductive pin 13 integrated with it.Anti-surge element 12 carries fixedly conductive pin 13, has exempted anti-surge element 12 and the fixedly welding of conductive pin 13, has avoided having guaranteed that because of welding the unreliable fault that causes product is more reliable.Said sideboard 4 is a ceramic material.Sideboard 4 has used pottery, has high temperature resistantly, and the good insulation performance performance can be indeformable in moment that high short circuit current passes through, adhesion, action message.
The utility model is not limited to above embodiment and conversion.
Claims (3)
1. surge protector; Comprise module frame (1), sideboard (4), flexible member (6), movable conductive pin (8), soldering-tin layer (10), anti-surge element (12); Said anti-surge element (12) is fixed in module frame (1); Said movable conductive pin (8) one ends are fixed in module frame (1); The other end is fixed in anti-surge element (12) through soldering-tin layer (10); Said sideboard (4) is located between movable conductive pin (8) and the anti-surge element (12), is provided with flexible member (6) between said sideboard (4) and the module frame (1), when movable conductive pin (8) one ends are fixed in anti-surge element (12) through soldering-tin layer (10); Said sideboard (4) is in the normal position; When soldering-tin layer (10) is melted, when movable conductive pin (8) and anti-surge element (12) are thrown off, said sideboard (4) is under the effect of flexible member and cuts off the position, it is characterized in that: described surge protector also includes the first striking sheet (2), fusible link (5), the second striking sheet (7) of connection successively, fixing conductive pin (13); Said fixedly conductive pin (13) is located on the anti-surge element (12); Said sideboard (4) is provided with conducting strip (3), cuts off the position when said sideboard (4) is in, and said conducting strip (3) is communicated in the first striking sheet (2).
2. a kind of surge protector according to claim 1 is characterized in that: said anti-surge element (12) is fixed in module frame (1) through fixedly conductive pin integrated with it (13).
3. a kind of surge protector according to claim 1 and 2 is characterized in that: said sideboard (4) is a ceramic material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200793334U CN202444256U (en) | 2012-03-05 | 2012-03-05 | Surge protection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200793334U CN202444256U (en) | 2012-03-05 | 2012-03-05 | Surge protection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202444256U true CN202444256U (en) | 2012-09-19 |
Family
ID=46825686
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012200793334U Expired - Lifetime CN202444256U (en) | 2012-03-05 | 2012-03-05 | Surge protection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202444256U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107800126A (en) * | 2016-09-07 | 2018-03-13 | 深圳康普盾科技股份有限公司 | Power source surge protector thermal tripping arc-control device and its method |
-
2012
- 2012-03-05 CN CN2012200793334U patent/CN202444256U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107800126A (en) * | 2016-09-07 | 2018-03-13 | 深圳康普盾科技股份有限公司 | Power source surge protector thermal tripping arc-control device and its method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120919 |