CN208226565U - A kind of novel surge protector mould group - Google Patents
A kind of novel surge protector mould group Download PDFInfo
- Publication number
- CN208226565U CN208226565U CN201820599661.4U CN201820599661U CN208226565U CN 208226565 U CN208226565 U CN 208226565U CN 201820599661 U CN201820599661 U CN 201820599661U CN 208226565 U CN208226565 U CN 208226565U
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- China
- Prior art keywords
- surge protector
- unit
- elastic component
- insulating part
- mould group
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- 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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- 230000001012 protector Effects 0.000 title claims abstract description 37
- 229910000743 fusible alloy Inorganic materials 0.000 claims abstract description 35
- 230000000694 effects Effects 0.000 claims abstract description 6
- 238000003466 welding Methods 0.000 claims description 3
- 229910045601 alloy Inorganic materials 0.000 claims 1
- 239000000956 alloy Substances 0.000 claims 1
- 230000005496 eutectics Effects 0.000 claims 1
- 229910000679 solder Inorganic materials 0.000 abstract description 20
- 238000009413 insulation Methods 0.000 abstract description 5
- 238000009434 installation Methods 0.000 abstract description 4
- 238000012423 maintenance Methods 0.000 abstract description 2
- 238000010891 electric arc Methods 0.000 description 9
- 238000010586 diagram Methods 0.000 description 8
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 7
- 229910052709 silver Inorganic materials 0.000 description 7
- 239000004332 silver Substances 0.000 description 7
- 230000005611 electricity Effects 0.000 description 5
- 238000002844 melting Methods 0.000 description 5
- 230000008018 melting Effects 0.000 description 5
- 238000004891 communication Methods 0.000 description 3
- 239000002360 explosive Substances 0.000 description 3
- 230000002159 abnormal effect Effects 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 2
- 238000001354 calcination Methods 0.000 description 2
- 238000010295 mobile communication Methods 0.000 description 2
- 238000004080 punching Methods 0.000 description 2
- 230000000007 visual effect Effects 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000037361 pathway Effects 0.000 description 1
- 230000000171 quenching effect Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H5/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal non-electric working conditions with or without subsequent reconnection
- H02H5/04—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal non-electric working conditions with or without subsequent reconnection responsive to abnormal temperature
-
- 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
Landscapes
- Fuses (AREA)
- Emergency Protection Circuit Devices (AREA)
Abstract
The utility model provides a kind of novel surge protector mould group, and the inlet wire varistor including being serially connected and heat are detached from unit；It includes elastic component, insulating part, low-melting alloy, connector and the lead being arranged on connector that heat, which is detached from unit,；Insulating part has opening, and elastic component is placed in the opening, and elastic component has hollow channel, and lead runs through the channel, is connected to inlet wire varistor by low-melting alloy；Against the insulating part, the other end is connected part for one end of elastic component, is in compressive state；Insulating part is resisted against on low-melting alloy under the bounce effect of elastic component.Multiple device of surge protector generate heat and transmit heat to solder joint is detached from the utility model; disconnect low-melting alloy early in device of surge protector exception; reduce failure of insulation and danger on fire; the surge protection device assembly small integrated of the utility model, low clearance; indicating effect is obvious; safety is good, and installation maintenance is convenient.
Description
Technical field
The utility model relates to a kind of surge protectors, more particularly to a kind of novel surge protector mould group.
Background technique
In mobile communication system, on the high tower of communication base station installation outdoors, since its installation environment is highly prone to thunder
Electricity harm, the built-in surge protector of communication base station, surge protector have hot release unit, and current hot release unit is basic
The low-melting alloy solder joint of upper 120 DEG C -145 DEG C of use, with the development of communication technology, the power of 5G mobile communication base station equipment
Density increases, while having the tendency that miniaturization again, and the operating temperature inside base station equipment is caused to be up to 105 DEG C.As base station is set
Standby internal operating temperature is got higher, currently, the hot release unit of the surge protector of inside of base station is faced and mentioned at the working temperature
Preceding disconnection failure, loses surge protection function.Also there is promotion demand to the operating temperature of the surge protection device in equipment, needs
Improve the melting temperature of thermel protection device.After the melting temperature of thermel protection device improves, if not improving varistor
Fail pathway of the adstante febre heat to disengaging solder joint, it may appear that varistor is when thermal breakdown occurs in failure, due to conduction
The thermal resistance of approach is excessive, and the disengaging solder joint of thermel protection device does not reach melting temperature, and the varistor for failing to fail is short
It is detached from circuit before the failure of road, so that short-circuit failure occurs in varistor, which will lead to varistor and high temperature and big electricity occur
Arc phenomenon is flowed, existing leads to failure of insulation and danger on fire.
Utility model content
In order to solve the above technical problems, the technical purpose of the utility model is to provide a kind of novel surge protector mould
Group can be generated heat from multiple device of surge protector when there is abnormal overvoltage and transmit heat to solder joint is detached from, had fast
Speed blocking arc quenching effect, disconnects disengaging solder joint early in device of surge protector exception, reduces failure of insulation and danger on fire
Danger.
The purpose of this utility model is realized by following technical proposal:
A kind of novel surge protector mould group is detached from unit including the inlet wire varistor being serially connected and heat；Heat is de-
It include elastic component, insulating part, low-melting alloy, connector and the lead being arranged on connector from unit；Insulating part, which has, to be opened
Mouthful, elastic component is placed in the opening, and elastic component has hollow channel, and lead runs through the channel, connected by low-melting alloy
To inlet wire varistor；Against the insulating part, the other end is connected part for one end of elastic component, is in compressive state；Insulating part
It is resisted against on low-melting alloy under the bounce effect of elastic component.The common elastic component with compression rebound function can all fit
For the application.When low-melting alloy melting, insulating part in the case where the promotion of elastic component and connector quickly spring backs it is rapid forward
It is mobile, quickly circuit is elongated, achievees the purpose that extinguish electric arc, meanwhile, the bulk gas that electric arc calcination insulating part generates exists
Under the promotion of track mouth insulating part, can blow off electric arc the insulating part, the further elongation for accelerating electric arc, it is ensured that extinguish
Electric arc.
Further, inlet wire varistor includes the first varistor unit and the second varistor unit；First is pressure-sensitive
Phase line end is drawn in one end of resistance unit, and the other end is detached from unit with heat and connect；Draw zero in one end of second varistor unit
Line end, the other end are detached from unit with heat and connect；It forms phase line end, the first varistor unit, heat and is detached from unit, the second pressure-sensitive electricity
Hinder the series circuit of unit, zero line side；Elastic component includes the first elastic component and the second elastic component, and insulating part includes the first insulating part
With the second insulating part, the first elastic component is placed in the opening of the first insulating part, and the second elastic component is placed in the opening of the second insulating part
In；Low-melting alloy includes the first low-melting alloy and the second low-melting alloy, and lead includes first lead and the second lead；The
One lead runs through the channel of first spring, and is connected to the first varistor unit by the first low-melting alloy；Second
Lead runs through the channel of the second spring, and is connected to the second varistor unit by the second low-melting alloy.
Further, surge protector mould group further includes being grounded pressure-sensitive resistance unit, is grounded one end of pressure-sensitive resistance unit
Ground terminal is drawn, the other end is connect with the connector that heat is detached from unit.
Further, surge protector mould group further includes discharge tube, and one end of discharge tube is connected to the connector, another
End is connected to the pressure-sensitive resistance unit of ground connection, for leakage current over the ground to be isolated.
Further, surge protector mould group further includes discharge tube, and one end of discharge tube is connected to connector, and the other end draws
Ground terminal out, for leakage current over the ground to be isolated.
Further, inlet wire varistor is provided with separator.The insulation that the separator is used to be promoted between varistor is resistance to
Pressure, it is can be film class, piece bulk class, it can also be the feature structure with isolation on internal frame.
Further, novel surge protector mould group further includes failure indication arrangement.The Indication of Losing Efficacy function can be into
Accommodating, efficient instruction identification.
Further, the side of insulating part and the internal frame line-line contact of the insulating part is placed, so that connecing with internal frame
Contacting surface product is minimum, and the resistance being subject to when sliding after low-melting alloy melting is minimum.
Further, which is spring.
Further, this is connected as welding.
The utility model has the beneficial effects that
It is generated heat from multiple device of surge protector and transmits heat to solder joint is detached from, low-melting alloy is made to be detached from solder joint in surge
It is disconnected early when protecting device exception, reduces failure of insulation and danger on fire, the surge protection device assembly of the utility model are small
Type is integrated, low clearance, and indicating effect is obvious, and safety is good, and installation maintenance is convenient.
Detailed description of the invention
Fig. 1 is the outside drawing of the utility model embodiment 1；
Fig. 2 is the schematic diagram of the utility model embodiment 1；
Fig. 3 is the explosive view of the utility model embodiment 1；
Fig. 4 is the combining structure schematic diagram of the utility model embodiment 1；
Fig. 5 is the explosive view of the heat disengaging unit in the utility model embodiment 1；
Fig. 6 is the constitutional diagram of the heat disengaging unit in the utility model embodiment 1；
Fig. 7 is the schematic internal view of the first varistor unit in the utility model embodiment 1；
Fig. 8 is the schematic internal view of the second varistor unit in the utility model embodiment 1；
Fig. 9 is the internal explosion figure that pressure-sensitive resistance unit is grounded in the utility model embodiment 1；
Figure 10 is the failure schematic diagram of the utility model embodiment 1；
Figure 11 is the schematic diagram of the utility model embodiment 2；
Figure 12 is the explosive view of the utility model embodiment 2；
Figure 13 is the combining structure schematic diagram of the utility model embodiment 2；
Figure 14 is the failure schematic diagram of the utility model embodiment 2；
Figure 15 is the schematic diagram of the utility model embodiment 3；
Wherein:
1 shell
101 visual windows
2 internal frames
3 cover boards
4a the first varistor unit
4b the second varistor unit
4c is grounded pressure-sensitive resistance unit
401 electrode films
402 silver strips
403 back electrode pieces
404 electrode films
405 silver strips
406 back electrode pieces
407 electrode films
408 silver strips
409 back electrode pieces
5 hot release units
501 connectors
502a first lead
The second lead of 502b
The first elastic component of 503a
The second elastic component of 503b
The first insulating part of 504a
The second insulating part of 504b
The first low-melting alloy of 505a is detached from solder joint
The second low-melting alloy of 505b is detached from solder joint
6 discharge tubes
7 separators
Specific embodiment
Hereinafter, the utility model is further described in more detail by way of examples with reference to the accompanying drawings.Wherein
Some embodiments are illustrated only, but the utility model can be presented as many different forms in practical applications, it should not office
It is limited to embodiment presented herein, purpose of providing these embodiments is the utility model in order to better understand.
The utility model provides a kind of novel surge protector mould group comprising
Mutual concatenated first element and second element, wherein the resistance of first element with the variation of the voltage at its both ends and
Variation, second element can conduct electric current, but the conduction of the electric current is by the obstruction of temperature change；
Further include can not conduct the third element of electric current, and
Fourth element；
The third element pushes the power of fourth element to generate when electric current is obstructed, and fourth element occurs mobile to disappear
Except the potential hazard in surge protector.
Embodiment 1
As shown in figs 1-9, a kind of novel surge protector mould group includes shell 1, internal frame 2, cover board 3, the first pressure-sensitive electricity
Hinder unit 4a, the second varistor unit 4b, the pressure-sensitive resistance unit 4c of ground connection, hot release unit 5, discharge tube 6 and separator
7。
It encapsulates and is integrated behind 6 one end of discharge tube and the pressure-sensitive resistance unit 4c welding of ground connection, the other end and hot release unit 5
Elastic element 501 passes through welded connecting.It is grounded pressure-sensitive resistance unit 4c and internal frame 2 fits into cover board 3, it is exposed to draw PE
Foot.First varistor unit 4a and the second varistor unit 4b adhere to a separator 7 respectively, are fitted into cover board 3, draw respectively
Phase line end (L) and zero line side (N) out.
Hot release unit 5 includes the first spring 503a and second spring 503b, the first insulating part 504a and the second insulating part
504b, the first low-melting alloy disengaging solder joint 505a and the second low-melting alloy disengaging solder joint 505b, elastic element 501, and
First lead 502a on elastic element 501 and the second lead 502b are set.Elastic element 501 is by elastic metallic material punching
It forms, elastic element 501 is according to connection needs, and a certain number of hole characteristics of punching, convenient for the fixation and connection of lead, lead is worn
Enter in hole and crimped, can also weld or first crimp weld afterwards be connected and fixed mode.First, second insulating part 504a,
504b preferably produces gas insulating part.First insulating part 504a has mesoporous, and the first spring 503a is as in the mesoporous, the first spring
503a has hollow channel, and first lead 502a runs through the hollow channel, and is detached from solder joint by the first low-melting alloy
505a is soldered to the first varistor unit 4a.Second insulating part 504b has mesoporous, and second spring 503b is as the mesoporous
In, second spring 503b has hollow channel, and the second lead 502b runs through the hollow channel, and passes through the second low-melting alloy
It is detached from solder joint 505b and is soldered to the second varistor unit 4b.When normal condition, first, second one end spring 503a, 503b is supported
By insulating part, the other end is in squeezed state against elastic element 501.Meanwhile the one end of insulating part under the bounce effect of spring
It is resisted against on low-melting alloy solder joint.First, second side insulating part 504a, 504b and internal frame 2 only pass through edge line-line contact,
It reduces contact area to the greatest extent, reduces frictional force.
As shown in fig. 6-7, in the first varistor unit 4a, electrode film 401 and back electrode piece 403 are welded on silver strip
On 402 silver medal faces.In second varistor unit 4b, electrode film 404 and back electrode piece 406 are welded on the silver-colored face of silver strip 405.
Electrode film 401 and electrode film 404, back electrode piece 403 and back electrode piece 406 can be mirror image, identical or different relationship
Electrode slice.As shown in figure 8, being grounded in pressure-sensitive resistance unit 4c, electrode film 407 and back electrode piece 409 are welded on silver strip 408
On silver-colored face, 409 another side of back electrode piece and discharge tube 6 are welded, the arrangement position of 409 position of opening of back electrode piece and discharge tube 6,
It is abnormal to reduce encapsulating, reduces cost, saves space, reduces the design concept of product height.
As a result, in the present embodiment, forms phase line end, the first varistor unit 4a, the first low-melting alloy and be detached from solder joint
505a, first lead 502a, elastic element 501, the second lead 502b, the second low-melting alloy are detached from solder joint 505b, the second pressure
The series circuit of quick resistance unit 4b, zero line side form differential mode protection.Meanwhile forming phase line end, the first varistor unit
4a, the first low-melting alloy are detached from solder joint 505a, first lead 502a, elastic element 501, discharge tube 6, ground connection varistor list
The series circuit and zero line side of first 4c, the second varistor unit 4b, the second low-melting alloy are detached from solder joint 505b, second
Lead 502b, elastic element 501, discharge tube 6, the series circuit for being grounded pressure-sensitive resistance unit 4c form common mode protection.To reach
To the full mould protection of single-phase circuit of Y-shaped structure.
When there is overvoltage, before varistor does not have dead short failure, hot release unit 5 directly takes heat in pressure-sensitive
Resistance.It is melted under the action of heat when low-melting alloy is detached from solder joint, to disconnect between lead and varistor unit
Connection, elastic element 501 are sprung back, and first, second spring 503a, 503b pushes the first, second insulating part 504a and 504b quick
Blocking is detached from, and the bulk gas that electric arc calcination insulating part generates is under the promotion of insulating part, and can blow off electric arc insulating part, into one
The elongation of the acceleration electric arc of step, to effectively carry out current limit using the resistance value of varistor, it is ensured that extinguish electric arc.
Surge protector mould group further includes Indication of Losing Efficacy function.It can be with convenient effective by the visual windows 101 of shell 1
The color change for seeing mould group failure front and back, reaches Indication of Losing Efficacy function.
Embodiment 2
It does not include discharge tube that the difference of embodiment 2 and embodiment 1, which essentially consists in embodiment 2,.As shown in figures 10-13, bullet
Property element 501 connect with the back electrode piece 409 for being grounded pressure-sensitive resistance unit 4c after encapsulate and be integrated.Elastic element 501 and back electricity
Pole piece 409 is also possible to first encapsulate to be welded afterwards, is also possible to the connection side that elastic element 501 and back electrode piece 409 combine together
Formula.
Embodiment 3
It includes ground connection varistor that the difference of embodiment 3 and embodiment 1, which is embodiment 3 not,.As shown in figure 14, discharge tube
6 one end are connected to elastic element 501, and the other end draws ground terminal.
Claims (10)
1. a kind of novel surge protector mould group, which is characterized in that be detached from including the inlet wire varistor being serially connected and heat
Unit；The heat is detached from unit and includes elastic component, insulating part, low-melting alloy, connector and be arranged on the connector
Lead；The insulating part has opening, and the elastic component is placed in the opening, and the elastic component has hollow channel, institute
Lead is stated through the channel, the inlet wire varistor is connected to by the low-melting alloy；One end of the elastic component
Against the insulating part, the other end is in compressive state against the connector；Bounce of the insulating part in the elastic component
It is resisted against under effect on the low-melting alloy.
2. surge protector mould group according to claim 1, which is characterized in that the inlet wire varistor includes the first pressure
Quick resistance unit and the second varistor unit；Draw phase line end, the other end and institute in one end of the first varistor unit
It states heat and is detached from unit connection；Zero line side is drawn in one end of the second varistor unit, and the other end and the heat are detached from unit
Connection；Form the series electrical that phase line end, the first varistor unit, heat are detached from unit, the second varistor unit, zero line side
Road；The elastic component includes the first elastic component and the second elastic component, and the insulating part includes the first insulating part and the second insulating part,
First elastic component is placed in the opening of first insulating part, and second elastic component is placed in opening for second insulating part
In mouthful；The low-melting alloy include the first low-melting alloy and the second low-melting alloy, the lead include first lead and
Second lead；The first lead runs through the channel of first elastic component, and is connected to by first low-melting alloy
The first varistor unit；Second lead runs through the channel of second elastic component, and passes through second eutectic
Point alloy is connected to the second varistor unit.
3. surge protector mould group according to claim 1 or 2, which is characterized in that the surge protector mould group is also wrapped
The pressure-sensitive resistance unit of ground connection is included, ground terminal is drawn in one end of the pressure-sensitive resistance unit of ground connection, and the other end and the heat are detached from single
The connector connection of member.
4. surge protector mould group according to claim 3, which is characterized in that the surge protector mould group further includes putting
Fulgurite, one end of the discharge tube are connected to the connector, and the other end is connected to the pressure-sensitive resistance unit of ground connection.
5. surge protector mould group according to claim 1 or 2, which is characterized in that the surge protector mould group is also wrapped
Discharge tube is included, one end of the discharge tube is connected to the connector, and the other end draws ground terminal.
6. surge protector mould group according to claim 1 or 2, which is characterized in that the inlet wire varistor is provided with
Separator.
7. surge protector mould group according to claim 1 or 2, which is characterized in that the novel surge protector mould
Group further includes failure indication arrangement.
8. surge protector mould group according to claim 1 or 2, which is characterized in that the side of insulating part with for placing
The internal frame line-line contact of the insulating part.
9. surge protector mould group according to claim 1 or 2, which is characterized in that the opening is mesoporous.
10. surge protector mould group according to claim 1 or 2, which is characterized in that described to be connected as welding.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820599661.4U CN208226565U (en) | 2018-04-25 | 2018-04-25 | A kind of novel surge protector mould group |
| PCT/CN2019/079718 WO2019205863A1 (en) | 2018-04-25 | 2019-03-26 | Novel surge protector module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820599661.4U CN208226565U (en) | 2018-04-25 | 2018-04-25 | A kind of novel surge protector mould group |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208226565U true CN208226565U (en) | 2018-12-11 |
Family
ID=64513069
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820599661.4U Active CN208226565U (en) | 2018-04-25 | 2018-04-25 | A kind of novel surge protector mould group |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN208226565U (en) |
| WO (1) | WO2019205863A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019205863A1 (en) * | 2018-04-25 | 2019-10-31 | 厦门赛尔特电子有限公司 | Novel surge protector module |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN211209291U (en) * | 2019-12-26 | 2020-08-07 | 厦门赛尔特电子有限公司 | Modular surge protector |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2896638Y (en) * | 2006-02-28 | 2007-05-02 | 上海电器科学研究所（集团）有限公司 | Terminal surge protector with multiple protection modes |
| CN201075676Y (en) * | 2007-03-26 | 2008-06-18 | 佛山市浦斯电子有限公司 | Surge protector |
| CN101834434B (en) * | 2009-07-27 | 2012-05-23 | 佛山市浦斯电子有限公司 | Surge protector with thermal protection device |
| US9520709B2 (en) * | 2014-10-15 | 2016-12-13 | Schneider Electric USA, Inc. | Surge protection device having two part ceramic case for metal oxide varistor with isolated thermal cut off |
| CN205911744U (en) * | 2016-07-31 | 2017-01-25 | 常州市创捷防雷电子有限公司 | Surge protection device |
| CN208226565U (en) * | 2018-04-25 | 2018-12-11 | 厦门赛尔特电子有限公司 | A kind of novel surge protector mould group |
-
2018
- 2018-04-25 CN CN201820599661.4U patent/CN208226565U/en active Active
-
2019
- 2019-03-26 WO PCT/CN2019/079718 patent/WO2019205863A1/en active Application Filing
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019205863A1 (en) * | 2018-04-25 | 2019-10-31 | 厦门赛尔特电子有限公司 | Novel surge protector module |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2019205863A1 (en) | 2019-10-31 |
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