CN205303373U - Surge protection device - Google Patents
Surge protection device Download PDFInfo
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- CN205303373U CN205303373U CN201620027967.3U CN201620027967U CN205303373U CN 205303373 U CN205303373 U CN 205303373U CN 201620027967 U CN201620027967 U CN 201620027967U CN 205303373 U CN205303373 U CN 205303373U
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- overvoltage protection
- box body
- metal clips
- pin
- protection element
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Abstract
The utility model discloses a surge protection device, comprises a box bod, in the box body device overvoltage protection component and with overvoltage protection component connection's the mechanism that breaks away from, it includes the slider to break away from the mechanism, metal shrapnel and flexible conductor, on the slide rail of slider device on the box body, the metal shrapnel device is on the slider, metal shrapnel's one end and flexible conductor are connected, other end welding is on the first pin of overvoltage protection component, connect green indicate block on the slider, on the red indicate block that green indicate block cover set up on the box body, arc extinction mechanism has been set up in the box body, metal shrapnel and the first pin of overvoltage protection component welding separation when the overvoltage protection component is in abnormal condition, arc extinction mechanism promotes the removal of metal shrapnel drive slider makes red indicate block demonstrate. Surge protection device to break away from the mechanism as an organic whole with the indicating mechanism integration with traditional, simple structure is compact, indicates the reliability high, accurate state of indicateing current surge protection device.
Description
Technical field
The utility model relates to the protective device technical field of electronic electric equipment, relates in particular to a kind of surge protector.
Background technology
Surge protector is a kind ofly to provide the electricity of security protection for various electronic equipments, instrument and meter, communication lineSub-device, its effect is that the instantaneous overvoltage of scurrying into power line, signal transmssion line is limited in to equipment or system institute energyIn the voltage range of bearing, or powerful surge current is let out to inflow place, avoid equipment or system to be hit.
The releasing mechanism part of existing surge protector and indicating mechanism part is structure independently, especially big when running intoOverload current by time, scolder between metal clips and overvoltage protection element pin reaches and melts or meltingState, releasing mechanism part makes metal clips separate with overvoltage protection element pin and expands spacing distance, butReliable transmission between releasing mechanism part and indicating mechanism's part is low, causes the indicating mechanism part can not be reliableTrue carry out state instruction, easily occur the situation of mistake instruction, affect equipment safety in utilization.
Utility model content
The technical assignment of technical problem to be solved in the utility model and proposition is that prior art is improved, and carriesFor a kind of surge protector, solve releasing mechanism part and the instruction machine of the traditional surge protector in current technologyStructure part is absolute construction, causes surge protector state instruction reliability low, easily makes mistakes, and safety in utilization is lowProblem.
For solving above technical problem, the technical solution of the utility model is:
A kind of surge protector, comprises box body, it is characterized in that, and device overvoltage protection element in described box body,On overvoltage protection element, be provided with overvoltage protection element the first pin and overvoltage protection element the second pin, mistakeVoltage protection element the second pin is connected on the second electrode of box body, is also provided with and overvoltage protection unit on box bodyThe releasing mechanism that part connects, releasing mechanism comprises slide block, metal clips and flexible conductor, slide block device is established on box bodyOn the slide rail of putting, metal elastic sheet device is on slide block, and one end of metal clips is connected to the first electrode by flexible conductorUpper, the other end is welded on overvoltage protection element the first pin, is connecting green indicator collet, on box body on slide blockAlso be provided with red indicator collet, green indicator collet covers on red indicator collet surface, and described box body is also provided with arc extinguishingMechanism, arc-extinguishing mechanism is resisted against on metal clips, causes metal elastic at overvoltage protection element in abnormal conditionWhen the scolder of sheet and overvoltage protection element the first pin reaches the state of fusing or melting, arc-extinguishing mechanism promotes metalShell fragment band movable slider moves and makes metal clips and overvoltage protection element the first pin electrical isolation and show along slide railGo out red indicator collet. Surge protector described in the utility model is integrated into traditional releasing mechanism and indicating mechanismOne, green indicator collet is directly connected on the slide block of releasing mechanism, when overvoltage protection element is in normal conditionTime, green indicator collet covers on red indicator collet surface, thus surge protector demonstrates green normal indication information,When overvoltage protection element is during in abnormal condition, metal clips separates with overvoltage protection element the first pin,Green indicator collet is removed along slide rail with slide block, thereby manifests red indicator collet, show surge protector now inAbnormal condition, the utility model is simple in structure, between releasing mechanism and indicating mechanism without unnecessary transmission mechanism,Instruction reliability is high, accurately indicates the duty of current surge protector, when effectively protecting equipment, improves and makesWith security, avoid maloperation.
Further, described arc-extinguishing mechanism comprises moving block and torsion spring, and moving block is sleeved on the pin arranging in box bodyOn axle, install torsion spring on moving block, the elastic force of torsion spring is resisted against on metal clips moving block, in overvoltage protectionElement causes the weld separation of metal clips and overvoltage protection element the first pin in abnormal condition, torsion spring drivesMetal clips is pushed in moving moving block rotation open. Arc-extinguishing mechanism described in the utility model is simple in structure, the stable metal of realizingShell fragment separates and electrical isolation with overvoltage protection element the first pin, and dependability is high, guarantees when having especially bigOverload current when causing overvoltage protection element improper, what arc-extinguishing mechanism can be stable pushes away metal clipsOpen and make surge protector demonstrate red indicator collet, indicate correct status information, and realize electrical isolation,Effectively arc extinguishing, improves safety in utilization, improves the job stability of surge protector, guarantees to stablize realization protection and establishesStandby effect.
Further, described box body is also provided with the limited block of restriction moving block maximum rotated position, effectively preventsMoving block rotates excessively, avoids metal clips resilience to contact with overvoltage protection element the first pin, guarantees moving blockMetal clips is pushed up from overvoltage protection element the first pin, make both keep enough distances to reach stable electricIsolation.
Further, the top of described moving block is provided with electric arc reflecting plate, below electric arc reflecting plate for going outArc chamber, overvoltage protection element the first pin that moving block rotation covers spark chamber to separate with metal clips, hasEffect is separated metal clips and overvoltage protection element the first pin to carry out electrical isolation, avoids producing electric arc.
Further, described box body is provided with circular-arc guiding draw runner, and moving block rotates along guiding draw runner, makesObtain moving block slow-roll stabilization smooth, guarantee that moving block can accurately back down metal clips.
Further, described slide block and the green indicator collet structure that is formed in one, simple and stable structure, guarantees greenLook indicator collet can accurately move during in abnormal condition at overvoltage protection element, thereby guarantees surge protection utensilThere is reliable state indicative, avoid occurring maloperation.
Further, described metal clips is that sprung copper is made shell fragment, and flexible conductor is braiding annealed copper wire, electrical resistanceCan be good, and guarantee that releasing mechanism can be freely movable.
Further, described box body, moving block adopt aerogenesis insulating materials to make, and aerogenesis insulating materials is subject to electric arcAfter corroding, produce gas, can increase arc-chutes internal pressure, the difference of itself and external atmospheric pressure forms outside air-flow,It is cooling that air-flow carries out convection current to electric arc, in the gas that aerogenesis insulating materials produces, contains H2, and H2 has good heat conductionPerformance, plays a key effect to cooling electric arc.
Surge protector is after excessively working long hours or repeatedly impacting, and overvoltage protection element is deteriorated gradually, or works asOvervoltage protection element run into especially big overload current by time, the temperature of overvoltage protection element raises fast, leadsWhen causing scolder between metal clips and overvoltage protection element the first pin and reaching the state of fusing or melting, rotatePiece rotates and pushes metal clips open under the elastic force effect of torsion spring, and metal clips band movable slider moves along slide rail, greenLook indicator collet is removed along slide rail with slide block, thereby manifests red indicator collet, shows that surge protector is now in non-Normal condition, moving block rotates and makes spark chamber cover overvoltage protection element the first pin simultaneously, by metal clipsSeparate and carry out electrical isolation with overvoltage protection element the first pin.
Compared with prior art, the utility model advantage is:
Surge protector described in the utility model integrates traditional releasing mechanism and indicating mechanism, structureSimple compact, instruction reliability is high, accurately indicates the state of current surge protector, when effectively protecting equipmentImprove safety in utilization, avoid maloperation.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the structural representation that metal clips draws after separating with overvoltage protection element first.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is enteredRow is described clearly and completely, and obviously, described embodiment is only the utility model part embodiment, andNot whole embodiment. Based on the embodiment in the utility model, those of ordinary skill in the art are not makingThe every other embodiment obtaining under creative work prerequisite, belongs to the scope that the utility model is protected.
The disclosed a kind of surge protector of the utility model embodiment, by whole to releasing mechanism part and indicating mechanism's partThe structure being integrated, raising state instruction reliability, avoids occurring that erroneous judgement causes the impaired situation of equipment, improvesSafety in utilization.
As depicted in figs. 1 and 2, a kind of surge protector, comprises box body 1, and the described interior device of box body 1 is excessively electricPress protecting component, on overvoltage protection element, be provided with overvoltage protection element the first pin 11 and overvoltage protection unitPart the second pin, overvoltage protection element the second pin is connected on the second electrode 12 arranging on box body 1, box bodyOn 1, be also provided with the releasing mechanism being connected with overvoltage protection element, releasing mechanism comprises slide block 21, metal clips22 and flexible conductor 23, slide block 21 installs on the slide rail 13 arranging on box body 1, and metal clips 22 installs to be slidedOn piece 21, one end of metal clips 22 is connected with flexible conductor 23, the first electrode 15 of flexible conductor 23 and box body 1Connect, the other end of metal clips 22 is welded on overvoltage protection element the first pin 11, on slide block 21, connectsGreen indicator collet 24, slide block 21 and green indicator collet 24 structure that is formed in one, intensity simple in structure is high, reallyProtect reliable state indicative, be provided with red indicator collet 14 on box body 1, green indicator collet 24 covers on redness and refers toShow piece 14 surfaces, on box body 1, install upper cover, upper cover is overlapping green indicator collet 24 and red indicator collet 14Position is provided with transparency window, and slide block 21 slides along slide rail 13, and green indicator collet 24 no longer covers on red indicator colletOn 14, thereby being revealed, red indicator collet 14 indicates surge protector in abnormal condition.
In box body 1, be also provided with arc-extinguishing mechanism, arc-extinguishing mechanism is resisted against on metal clips 22, in overvoltage protection unitPart causes metal clips 22 and the scolder of overvoltage protection element the first pin 11 to reach fusing in abnormal conditionOr when the state of melting, arc-extinguishing mechanism promotes metal clips 22 and is with movable slider 21 to move and make metal elastic along slide rail 13Sheet 22 is with overvoltage protection element the first pin 11 electrical isolation and demonstrate red indicator collet 14. Arc-extinguishing mechanism bagDraw together moving block 31 and torsion spring 32, moving block 31 is sleeved on the bearing pin 16 of box body 1 interior setting, on moving block 31Device torsion spring 32, the elastic force of torsion spring 32 is resisted against on metal clips 22 moving block 31, in overvoltage protection unitPart causes the weld separation of metal clips 22 and overvoltage protection element the first pin 11 in abnormal condition, turn roundSpring 32 drives moving block 31 rotations to push metal clips 22 open, and box body 1 is also provided with restriction moving block 31 maximums and turnsThe limited block 17 of moving position, the top of moving block 31 is provided with electric arc reflecting plate 311, at electric arc reflecting plate 311Below be spark chamber 312, moving block 31 rotation makes spark chamber 312 cover overvoltage protection element the first pin11, metal clips 22 and overvoltage protection element the first pin 11 are separated and carry out electrical isolation; Box body 1 simultaneouslyBe provided with circular-arc guiding draw runner 18, guarantee that moving block 31 accurately rotates metal clips 22 along guiding draw runner 18Back down and carry out electrical isolation.
Metal clips 22 is made shell fragment for sprung copper, and flexible conductor 23 is braiding annealed copper wire, and electric property is good, andGuarantee that releasing mechanism can be freely movable; Box body 1, moving block 31 adopt aerogenesis insulating materials to make, and improve arc extinguishing effectReally, improve safety in utilization.
Below be only preferred embodiment of the present utility model, it should be pointed out that above-mentioned preferred embodiment shouldBe considered as restriction of the present utility model, protection domain of the present utility model should taking claim limited range asAccurate. For those skilled in the art, not departing from spirit and scope of the present utility model,Can also make some improvements and modifications, these improvements and modifications also should be considered as protection domain of the present utility model.
Claims (8)
1. a surge protector, comprises box body (1), it is characterized in that, in described box body (1), installsVoltage protection element, is provided with overvoltage protection element the first pin (11) and overvoltage on overvoltage protection elementProtecting component the second pin, overvoltage protection element the second pin is connected on second electrode (12) of box body (1),Box body is also provided with the releasing mechanism being connected with overvoltage protection element on (1), releasing mechanism comprise slide block (21),Metal clips (22) and flexible conductor (23), slide block (21) device is at the upper slide rail (13) arranging of box body (1)Upper, metal clips (22) device is upper at slide block (21), and one end of metal clips (22) is by flexible conductor (23)Be connected to the first electrode (15) upper, it is upper that the other end is welded on overvoltage protection element the first pin (11), slide block(21) on, connect green indicator collet (24), on box body (1), be also provided with red indicator collet (14), greenIndicator collet (24) covers on red indicator collet (14) surface, and described box body (1) is also provided with arc-extinguishing mechanism, goes outIt is upper that arc mechanism is resisted against metal clips (22), causes metal clips at overvoltage protection element in abnormal condition(22) while reaching the state of fusing or melting with the scolder of overvoltage protection element the first pin (11), arc extinguishing machineStructure promotes metal clips (22) band movable slider (21) along mobile metal clips (22) and the mistake of making of slide rail (13)Voltage protection element the first pin (11) electrical isolation also demonstrates red indicator collet (14).
2. surge protector according to claim 1, is characterized in that, described arc-extinguishing mechanism comprises rotationPiece (31) and torsion spring (32), it is upper that moving block (31) is sleeved on the bearing pin (16) arranging in box body (1), turnsThe upper device torsion spring (32) of motion block (31), the elastic force of torsion spring (32) makes moving block (31) be resisted against metal clips(22) upper, cause metal clips (22) and overvoltage protection unit at overvoltage protection element in abnormal conditionThe weld separation of part the first pin (11), torsion spring (32) drives moving block (31) rotation to push metal clips (22) open.
3. surge protector according to claim 2, is characterized in that, described box body (1) also arrangesThe limited block (17) of restricted moving block (31) maximum rotated position.
4. surge protector according to claim 2, is characterized in that, the top of described moving block (31)Portion is provided with electric arc reflecting plate (311), is spark chamber (312) in the below of electric arc reflecting plate (311), rotatesPiece (31) rotation makes spark chamber (312) cover the overvoltage protection element first separating with metal clips (22)Pin (11).
5. surge protector according to claim 2, is characterized in that, described box body (1) is provided withCircular-arc guiding draw runner (18), moving block (31) rotates along guiding draw runner (18).
6. surge protector according to claim 1, is characterized in that, described slide block (21) is with greenIndicator collet (24) structure that is formed in one.
7. surge protector according to claim 1, is characterized in that, described metal clips (22) isSprung copper is made shell fragment, and flexible conductor (23) is braiding annealed copper wire.
8. surge protector according to claim 2, is characterized in that, described box body (1), rotationPiece (31) adopts aerogenesis insulating materials to make.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620027967.3U CN205303373U (en) | 2016-01-12 | 2016-01-12 | Surge protection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620027967.3U CN205303373U (en) | 2016-01-12 | 2016-01-12 | Surge protection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205303373U true CN205303373U (en) | 2016-06-08 |
Family
ID=56476129
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620027967.3U Active CN205303373U (en) | 2016-01-12 | 2016-01-12 | Surge protection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205303373U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110335791A (en) * | 2019-09-01 | 2019-10-15 | 捷捷半导体有限公司 | A kind of failed open type protection device |
-
2016
- 2016-01-12 CN CN201620027967.3U patent/CN205303373U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110335791A (en) * | 2019-09-01 | 2019-10-15 | 捷捷半导体有限公司 | A kind of failed open type protection device |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |