CN105610139A - Surge protective device applying a box-type fastening assembly structure - Google Patents
Surge protective device applying a box-type fastening assembly structure Download PDFInfo
- Publication number
- CN105610139A CN105610139A CN201610029140.0A CN201610029140A CN105610139A CN 105610139 A CN105610139 A CN 105610139A CN 201610029140 A CN201610029140 A CN 201610029140A CN 105610139 A CN105610139 A CN 105610139A
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- CN
- China
- Prior art keywords
- clamping plate
- boxlike
- box body
- tripping
- surge protector
- 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.)
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Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H9/00—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H9/00—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection
- H02H9/04—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection responsive to excess voltage
Abstract
The invention provides a surge protective device applying a box-type fastening assembly structure. The surge protective device comprises an insulation box body, at least one tripping electrode plate, at least one metal oxide varistor (MOV) chip and an upper electrode clamping plate, wherein the tripping electrode plate and the MOV chip are alternatively arranged, the at least one tripping electrode plate, the at least one MOV chip and the upper electrode clamping electrode are fixed in the insulation box body by a fastening element, the bottom of the insulation box body is in crimping connection with the tripping electrode plate, an insulation rubber sleeve is sleeved outside the MOV chip, or an insulation rubber layer is encapsulated in the box-type fastening assembly structure. The surge protective device applying the box-type fastening assembly structure, disclosed by the invention, has the advantages of no need of welding and cleaning, labor and time saving, environmental friendliness, high cooling performance, reliable tripping and high assembly efficiency.
Description
Technical field
The present invention relates to the package technique field of Surge Protector, the particularly fastening assembling of a kind of employing boxlikeThe Surge Protector of structure.
Background technology
(SurgeProtectiveDevice is called for short: SPD) have special non-conventional votage limit type Surge ProtectorLinear current-voltage characteristic. Mainly by passive electronic component MOV (MetalOxideVaristors, oxidationZinc piezoresistor) chip assembling formation. Once unusual condition occurs, such as experience thunderbolt, electromagnetic field are doneDisturb, power switch frequent movement, power system failure etc., uprush voltage on circuit, exceedes surge and protectProtect the conducting voltage of device (SPD), will enter conducting district, electric current (I) and voltage (V) are non-linear relation,Generally be referred to as nonlinear factor (NonlinearityParameter), its value can reach tens of or up to a hundred. Now, waveSurge protector (SPD) impedance meeting step-down, only has several ohm, makes overvoltage form burst current and flows out, matThe electronic product or the expensive component that are connected with protection.
Along with the fast development of clean energy technology, the universal and electric mechanical of high ferro is (as robot, manipulatorDeng) extensive use, the application demand of Surge Protector (SPD) also day by day promote. At conventional Surge Protector(SPD) in the package assembly of device, MOV chip need through two welding extraction electrodes, clean, seal, fillBox, embedding etc. four, five processes processing, the not environmental protection of production time consumption and energy consumption; The parts of assembling are without location and fixedTo, easily misloading, matching requirements are high; Heat dispersion has much room for improvement, and causes thus reliability to reduce.
Summary of the invention
The deficiency existing for above-mentioned prior art, technical problem to be solved by this invention is to provide a kind of nothingNeed welding and cleaning, saving of labor, save time, environmental protection, perfect heat-dissipating, dropout is reliable, packaging efficiency is high adoptsWith the Surge Protector of boxlike fastening assembling structure.
In order to solve the problems of the technologies described above, the technical solution used in the present invention is:
The invention provides a kind of Surge Protector that adopts boxlike fastening assembling structure, comprise insulation box body, friendshipFor at least one the tripping electrode sheet arranging and at least one MOV chip, top electrode clamping plate, described at least oneIndividual tripping electrode sheet, at least one MOV chip, top electrode clamping plate are fixed on described insulation booth by securing memberIn body, the bottom of described insulation box body and the laminating of tripping electrode sheet.
Further, the intracavity bottom of insulation box body is provided with fixed bolt, solid for coordinating with described securing memberFixed described at least one tripping electrode sheet, at least one MOV chip and top electrode clamping plate.
Further, be equipped with insulating gum cover outward at MOV chip. Insulating gum cover enters by middle borehole jackMOV chip periphery, the hole in the middle of insulating gum cover is equal to or slightly less than the diameter of MOV chip, so that gum coverLock ring chip, obtains edge-protected effect.
Further, described at least one tripping electrode sheet, at least one MOV chip, top electrode clamping plate are admittedlyFix in described insulation box body and form boxlike fastening assembling structure, in described boxlike fastening assembling structure, carry outVacuum encapsulation insulation glue-line.
Further, on described tripping electrode sheet and top electrode clamping plate, respectively lead at least one leading foot, instituteState leading foot axial lead or radially draw.
Further, be provided with drawing for described tripping electrode sheet in sidewall or the bottom of described insulation box bodyPin axial lead or the through hole of radially drawing, when the leading foot axial lead of described top electrode clamping plate, described absolutelyThe sidewall of edge box body is also provided with for the leading foot of described top electrode clamping plate and draws accordingly through hole.
Further, on described top electrode clamping plate, be provided with the through hole or the screwed hole that pass for described securing member,The position of described fixed bolt is corresponding with the position of through hole on described top electrode clamping plate or screwed hole, described inFixed bolt is provided with for described securing member and embeds the cavity or the internal thread cavity that coordinate.
Further, described securing member is metal or nonmetallic rivet or screw, the length of described securing memberBe not more than the thickness of described top electrode clamping plate to insulation box body bottom.
Further, described tripping electrode sheet is aluminium electrode slice, copper electrode sheet, ferroelectric pole piece or aluminium alloy electricPole piece, copper alloy electrode sheet, ferroalloy electrode slice; Described top electrode clamping plate are alclad, copper clamping plate, ironClamping plate or aluminium alloy clamping plate, copper alloy clamping plate, ferroalloy clamping plate.
Further, the Surge Protector of described employing boxlike fastening assembling structure puts shell or enclosing cover realizationModularization, further, mixes base and realizes modularity, further, takes module base integrated.
The beneficial effect of the Surge Protector of employing boxlike fastening assembling structure of the present invention is:
(1) because being provided with for the leading foot of tripping electrode and top electrode clamping plate, the insulation sidewall of box body or bottom drawThe through hole going out, makes assembly location, orientation, avoids misloading, reduces matching requirements;
(2) Surge Protector of employing boxlike fastening assembling structure of the present invention without welding with clean, saving of labor,Save time, environmental protection;
(3) tripping electrode sheet and the pole piece composition two-side radiation structure that powers on, greatly improves MOV chipUtilization rate; Two-side radiation structure has also improved the power frequency withstand ability of MOV chip, has increased Surge Protector(SPD) security, the reliability that makes to thread off improves;
(4) simple and fast is installed, is raised the efficiency, can realize mechanization automatic Composition.
Brief description of the drawings
Fig. 1 a is the explosive view of the first embodiment of the present invention's Surge Protector of adopting boxlike fastening assembling structure;
Fig. 1 b is that the signal of the first embodiment of the present invention's Surge Protector of adopting boxlike fastening assembling structure is cutd openFigure (bending extraction electrode);
Fig. 2 a is the explosive view of the second embodiment of the present invention's Surge Protector of adopting boxlike fastening assembling structure;
Fig. 2 b is that the assembling of the second embodiment of the present invention's Surge Protector of adopting boxlike fastening assembling structure is filled withFigure (bending extraction electrode) is cutd open in envelope signal;
Fig. 2 c is that the second embodiment of the present invention's Surge Protector of adopting boxlike fastening assembling structure assembles rear realityIllustration;
Fig. 3 a, Fig. 3 b shows respectively two kinds of structure tow sides schematic diagrames of described tripping electrode sheet;
Fig. 3 c cuts open figure with the signal of axial lead electrode assembling;
Fig. 4 a is the explosive view of the 3rd embodiment of the present invention's Surge Protector of adopting boxlike fastening assembling structure;
After Fig. 4 b is the assembling of the 3rd embodiment of the present invention's Surge Protector of adopting boxlike fastening assembling structureInstance graph.
Detailed description of the invention
Specifically illustrate embodiments of the present invention below in conjunction with accompanying drawing, accompanying drawing is only for reference and use is described, noForm the restriction to scope of patent protection of the present invention.
Embodiment 1
As shown in Fig. 1 a, 1b, the embodiment of the present invention provides a kind of surge that adopts boxlike fastening assembling structure to protectProtect device, comprise insulation box body 1, be positioned at insulation box body 1 height overall approximately 2/3rds places and be provided with insulation box body bottom,The box body that makes to insulate is divided into two parts, and the dark one side of box is installed MOV chip 3, and the one side that box is shallow is installed the dress of threading offPut, shared insulation box body 1 bottom is provided with the through hole that stretches out of tripping electrode sheet 2, and the insulation booth of chip is installedFour jiaos of bodies are provided with the fixed bolt 1-2 of four hollows, and the tripping electrode 2-1 of tripping electrode sheet 2 is stretched out to insulationThe through hole 1-4 of box body 1 bottom, tripping electrode plane and the protruding point 1-3 laminating of insulation box body bottom, another sideWith 3 one face laminatings of MOV chip, top electrode clamping plate 5 one sides overlay on MOV chip 3 another sides,The fixed bolt 1-2 that another side is fixed on described insulation box body 1 by securing member 6 by top electrode clamping plate 5 is upper,Fastening 2, one MOV chips of at least one tripping electrode sheet 3, a top electrode in described insulation box bodyClamping plate 5.
In the present embodiment, the Surge Protector of described employing boxlike fastening assembling structure is provided with the electricity of threading offPole piece 2 and a MOV chip 3, can arrange needs according to structure, and multiple tripping electrode sheets 2 or are set moreIndividual MOV chip 3, to make the equivalent circuit of Surge Protector as monolithic two electrode structures, two and di-Electrode structure, two three electrode common mode configuration, three three electrode angular structures, four two-in-parallel three electrode knotsStructure, three five electrode structures, four two releasing structures of five electrodes etc. Described MOV chip 2 claims again valve block.
In the present embodiment, outside MOV chip 3, be equipped with insulating gum cover 4, in insulating gum cover 4, be provided with useIn the hole 4-1 that is nested with MOV chip 3.
On described tripping electrode sheet 2 and top electrode clamping plate 5, respectively lead at least one leading foot, described in drawPin axial lead or radially draw. In the present embodiment, each on described tripping electrode sheet 2 and top electrode clamping plate 5Lead to leading foot 2-1, a 5-2, the leading foot 2-1 of described tripping electrode sheet 2 after bending vertical diameter toDraw, after the leading foot 5-1 bending of described top electrode clamping plate 5 also vertical diameter to drawing. Fig. 3 a, 3b are respectivelyShow the schematic diagram of 2 two kinds of structure tow sides of described tripping electrode sheet (A, B face). Tripping electrode sheet2 leading foot can be protruding platform as Fig. 3 b, can be also that folding turns over and the vertical plane of electric sheet of threading off,As Fig. 3 a. Fig. 3 c cuts open figure with the signal of axial lead electrode pin assembling;
In the present embodiment, be provided with the leading foot for described tripping electrode sheet 2 in the bottom of described insulation box body 1The through hole 1-4 drawing, the sidewall of described insulation box body 1 is provided with the leading foot 5-2 for described top electrode clamping plate 5The through hole 1-5 drawing. In the time of the leading foot 2-1 of described tripping electrode sheet 2 axial lead, at described insulation boothThe sidewall of body is provided with the through hole for the leading foot axial lead of described tripping electrode sheet.
On described top electrode clamping plate 5, be provided with the through hole or the screwed hole 5-1 that pass for described securing member 6, described inIn insulation box body 1, be provided with corresponding with the through hole or the screwed hole 5-1 position that arrange on described top electrode clamping plate 5Fixed bolt 1-2. In the present embodiment, be provided with four through hole 5-1, institute on 5 four jiaos, described top electrode clamping plateState four jiaos of place's correspondences in insulation box body 1 and be provided with four fixed bolt 1-2, be convenient to beat screw, upper rivet or hot pressingFlange.
Described securing member 6 is metal or nonmetallic rivet or screw, and the length of described securing member 6 is not more than instituteState on top electrode clamping plate 5 plane to the height of box body 1 bottom of insulating.
Described tripping electrode sheet 2 is aluminium electrode slice, copper electrode sheet, ferroelectric pole piece or aluminium alloy electric pole piece, copperAlloy electrode plate, ferroalloy electrode slice; Described top electrode clamping plate 5 be alclad, copper clamping plate, iron splint orAluminium alloy clamping plate, copper alloy clamping plate, ferroalloy clamping plate.
In the present embodiment, the Surge Protector of described employing boxlike fastening assembling structure puts shell or enclosing coverRealize modularization, or mix base and realize modularity, or take module base integrated.
Particularly, after described box body fastening assembling structure has been assembled, by known technique, turn-over process cartridgeBody is a part of in addition: welding dropout pin, plug pin or leading foot, install trip gear, overlaps upper outside box or lidUpper cover, inserted base, forms complete surge protector module.
Embodiment 2
The difference of the present embodiment and embodiment 1 is:
As shown in Fig. 2 a, 2b, 2c, described tripping electrode sheet 2, MOV chip 3, top electrode clamping plate 5 are admittedlyFix on the interior formation boxlike of described insulation box body 1 fastening assembling structure, on the top of described boxlike fastening assembling structurePortion's embedding has insulation glue-line 70, sees Fig. 2 b. Insulation box body bottom is separately provided with four protrusions that uniform height is consistentPoint 1-3, its height is set for ensureing that casting glue flows.
Described insulation glue-line 70 is formed by embeddings such as epoxy resin, phenolic resins, silica gel materials.
The assembling process of the Surge Protector of the employing boxlike fastening assembling structure of the above embodiment of the present invention is:
By tripping electrode sheet 2 be provided with the box that one of leading foot 2-1 faces insulation booth body 1 at the bottom of, make tripping electrodeSheet 2 is close to insulation box body 1 protruding point, bottom 1-3 location, the now leading foot 2-1 of tripping electrode sheet 2 natureGround stretches out middle through-hole 1-4 at the bottom of box. By the extraction electrode 5-2 powering on pole piece 5, facing to insulation box body 1 sideWall through hole 1-5, by screw or rivet 6 through 5 four jiaos of through hole 5-1 of top electrode clamping plate, be anchored on insulation box body 1In the hole of bottom four double-screw bolt 1-2, also can make with hot-press method that double-screw bolt 1-2 is softening to be become flat flat and compress institute and installParts, complete installation.
Embodiment 3
As shown in Fig. 4 a, 4b, the different of the present embodiment and upper two examples are that insulation box body 1 is not divided into two parts,Adopt dark insulation box body, the same face assembling, the surge of the employing boxlike fastening assembling structure of the embodiment of the present inventionThe assembling process of protector is: by the leading foot 2-2 of tripping electrode sheet 2 bis-limit notch alignment insulation box bodys 1On draw-in groove 1-6 snap in, and make the bottom surface of tripping electrode sheet 2 be close to insulation box body 1 protruding point, bottom 1-3,Insert MOV chip, cover top electrode clamping plate 5, by logical through 5 four jiaos, top electrode clamping plate to screw or rivet 6Hole 5-1, is anchored in the hole of insulation box body 1 bottom four double-screw bolt 1-2, by extraction electrode 7 two limit notch alignmentDraw-in groove 1-7 on insulation box body 1 snaps in, and now the pad on extraction electrode 7 is pressed in top electrode clamping plate naturallyProtrusion plane 5-2 on 5, technique welding routinely, embedding, packs trip gear into, covers upper cover, completesSurge protector module is box-packed joins. This enforcement is not both dropout salient point from tripping electrode with upper two example maximumsOn sheet, move on top electrode clamping plate.
The fastening assembling mode of above example a kind of surge protector module of the present invention not only can use above caseExample, also can be used at TPMOV, on the products such as TMOV.
Above disclosed is only preferred embodiment of the present invention, can not limit right of the present invention with this and protectProtect scope, the equivalent variations of doing according to the present patent application the scope of the claims, still belongs to the scope that the present invention is contained.
Claims (9)
1. a Surge Protector that adopts boxlike fastening assembling structure, is characterized in that: comprise insulation boothBody, at least one the tripping electrode sheet being arranged alternately and at least one MOV chip, top electrodeClamping plate, described at least one tripping electrode sheet, at least one MOV chip, top electrode clamping plateBe fixed in described insulation box body the bottom of described insulation box body and tripping electrode by securing memberSheet laminating.
2. the Surge Protector of employing boxlike fastening assembling structure according to claim 1, its featureBe: the intracavity bottom of insulation box body is provided with fixed bolt, solid for coordinating with described securing memberFixed described at least one tripping electrode sheet, at least one MOV chip and top electrode clamping plate.
3. the Surge Protector of employing boxlike fastening assembling structure according to claim 1, its featureBe: be equipped with insulating gum cover outward at MOV chip.
4. the Surge Protector of employing boxlike fastening assembling structure according to claim 1, its featureBe: described at least one tripping electrode sheet, at least one MOV chip, top electrode clamping plateBe fixed in described insulation box body and form boxlike fastening assembling structure, in the fastening assembling of described boxlikeIn structure, carry out vacuum encapsulation insulation glue-line.
5. the Surge Protector of employing boxlike fastening assembling structure according to claim 1, its spy existsIn: on described tripping electrode sheet and top electrode clamping plate, respectively lead at least one leading foot, described inLeading foot axial lead or radially draw.
6. the Surge Protector of employing boxlike fastening assembling structure according to claim 5, its featureBe: sidewall or bottom at described insulation box body are provided with the leading foot for described tripping electrode sheetAxial lead or the through hole of radially drawing, when the leading foot axial lead of described top electrode clamping plate,The sidewall of described insulation box body is also provided with for the leading foot of described top electrode clamping plate and draws accordinglyThrough hole.
7. the Surge Protector of employing boxlike fastening assembling structure according to claim 2, its featureBe: on described top electrode clamping plate, be provided with the through hole or the screwed hole that pass for described securing member,Through hole on the position of described fixed bolt and described top electrode clamping plate or the position phase of screwed holeCorrespondence, described fixed bolt is provided with for described securing member and embeds the cavity or the internal thread sky that coordinateChamber.
8. according to the Surge Protector of the employing boxlike fastening assembling structure described in claim 1 or 7, itsBe characterised in that: described securing member is metal or nonmetallic rivet or screw, described securing memberLength is not more than the thickness of described top electrode clamping plate to insulation box body bottom.
9. the Surge Protector of employing boxlike fastening assembling structure according to claim 1, its featureBe: described tripping electrode sheet is aluminium electrode slice, copper electrode sheet, ferroelectric pole piece or aluminium alloy electricPole piece, copper alloy electrode sheet, ferroalloy electrode slice; Described top electrode clamping plate are alclad, copperClamping plate, iron splint or aluminium alloy clamping plate, copper alloy clamping plate, ferroalloy clamping plate.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610029140.0A CN105610139B (en) | 2016-01-15 | 2016-01-15 | Surge protector adopting box-type fastening assembly structure |
| PCT/CN2016/086952 WO2017121074A1 (en) | 2016-01-15 | 2016-06-23 | Surge protector using box-type fastening assembly structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610029140.0A CN105610139B (en) | 2016-01-15 | 2016-01-15 | Surge protector adopting box-type fastening assembly structure |
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| Publication Number | Publication Date |
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| CN105610139A true CN105610139A (en) | 2016-05-25 |
| CN105610139B CN105610139B (en) | 2019-12-31 |
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| CN201610029140.0A Active CN105610139B (en) | 2016-01-15 | 2016-01-15 | Surge protector adopting box-type fastening assembly structure |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106782957A (en) * | 2017-01-17 | 2017-05-31 | 隆科电子(惠阳)有限公司 | A kind of compound MOV components with discharging structure |
| WO2017121074A1 (en) * | 2016-01-15 | 2017-07-20 | 隆科电子(惠阳)有限公司 | Surge protector using box-type fastening assembly structure |
| CN107068312A (en) * | 2017-03-07 | 2017-08-18 | 隆科电子(惠阳)有限公司 | A kind of integrated box-packed FDMOV composite component with atmospherical discharges structure |
| CN107170540A (en) * | 2017-05-15 | 2017-09-15 | 隆科电子(惠阳)有限公司 | A kind of strong FDMOV components of long weatherability of service life |
| CN107342145A (en) * | 2017-07-10 | 2017-11-10 | 隆科电子(惠阳)有限公司 | A kind of compound MOV for inserting GDT |
| CN107424692A (en) * | 2016-10-14 | 2017-12-01 | 隆科电子(惠阳)有限公司 | A kind of MOV components with insulation carrying plate structure |
| CZ307422B6 (en) * | 2017-03-15 | 2018-08-08 | Saltek S.R.O. | A voltage limiter with overvoltage protection |
| WO2018152756A1 (en) * | 2017-02-21 | 2018-08-30 | 隆科电子(惠阳)有限公司 | Mov assembly having insulating bearing plate structure |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2017121074A1 (en) * | 2016-01-15 | 2017-07-20 | 隆科电子(惠阳)有限公司 | Surge protector using box-type fastening assembly structure |
| CN107424692A (en) * | 2016-10-14 | 2017-12-01 | 隆科电子(惠阳)有限公司 | A kind of MOV components with insulation carrying plate structure |
| CN106782957A (en) * | 2017-01-17 | 2017-05-31 | 隆科电子(惠阳)有限公司 | A kind of compound MOV components with discharging structure |
| CN106782957B (en) * | 2017-01-17 | 2019-05-17 | 隆科电子(惠阳)有限公司 | A kind of compound MOV component with discharging structure |
| WO2018152756A1 (en) * | 2017-02-21 | 2018-08-30 | 隆科电子(惠阳)有限公司 | Mov assembly having insulating bearing plate structure |
| CN107068312A (en) * | 2017-03-07 | 2017-08-18 | 隆科电子(惠阳)有限公司 | A kind of integrated box-packed FDMOV composite component with atmospherical discharges structure |
| CN107068312B (en) * | 2017-03-07 | 2020-02-21 | 隆科电子(惠阳)有限公司 | Integrated box-packed FDMOV composite assembly with air discharge structure |
| CZ307422B6 (en) * | 2017-03-15 | 2018-08-08 | Saltek S.R.O. | A voltage limiter with overvoltage protection |
| CN107170540A (en) * | 2017-05-15 | 2017-09-15 | 隆科电子(惠阳)有限公司 | A kind of strong FDMOV components of long weatherability of service life |
| CN107342145A (en) * | 2017-07-10 | 2017-11-10 | 隆科电子(惠阳)有限公司 | A kind of compound MOV for inserting GDT |
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|---|---|
| CN105610139B (en) | 2019-12-31 |
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