CN206389110U - A kind of novel surge protective device - Google Patents
A kind of novel surge protective device Download PDFInfo
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- CN206389110U CN206389110U CN201720099197.8U CN201720099197U CN206389110U CN 206389110 U CN206389110 U CN 206389110U CN 201720099197 U CN201720099197 U CN 201720099197U CN 206389110 U CN206389110 U CN 206389110U
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- temperature heat
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- heat melting
- safety pole
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Abstract
The utility model discloses a kind of novel surge protective device; including first electrode, second electrode, housing; the housing is hollow structure; the first electrode is removably connected to housing two ends respectively with second electrode; the first electrode includes integrally formed connecting portion and conducting part; the conducting part is stretched into housing, and it is electrically connected by the affixed piezo-resistance in bottom with second electrode；The conducting part includes an extension electrode, a low-temperature heat melting safety pole, a flow guiding electrode, and described low-temperature heat melting safety pole one end is connected in extension electrode bottom, and the other end is connected with flow guiding electrode.The utility model is simple in construction, easy to use; when the piezo-resistance of surge protector causes system to occur beyond the situation of operating temperature because of faults itself; low-temperature heat melting safety pole melts; make to lose connection between extension electrode and piezo-resistance; the open circuit of system is caused, so as to reach the purpose that the present apparatus departs from system.
Description
Technical field
The utility model is related to lightning protection field, and in particular to a kind of novel surge protective device
Background technology
Surge Protector is also known as arrester or surge surge protector, and referred to as (SPD) is suitable for exchange 50/60HZ, specified electricity
Be depressed into 380V electric power system or communication system, under normal circumstances, it be in high impedance status, once and circuit because thunderbolt
Or other reasons are when there is surge, it can be turned within the extremely short time, and lightning current or overvoltage are introduced into big by ground wire
Ground, the equipment come with this on protection circuit；Low temperature releasing structure, the surge of this kind of structure are used existing Surge Protector knot more
The traditional surge protector of protector connected between electrode and piezo-resistance one carry spring mechanical trip mechanism, this
Planting mechanism can make troubles because spring and mechanical structure tolerance variations cause to thread off to user.
Utility model content
In order to solve the above technical problems, the utility model is provided, one kind is simple in construction, easy to use, it is good to radiate, keeping away
Thunder device effectively can depart from arrester and power network when failing, it is to avoid cause the novel surge protective device further damaged.
The utility model provide technical scheme be：A kind of novel surge protective device, including first electrode, second electrode,
Housing, the housing is hollow structure, and the first electrode and second electrode are removably connected to housing two ends respectively, described the
One electrode includes integrally formed connecting portion and conducting part, and the conducting part stretched into housing, and it passes through affixed pressure-sensitive in bottom
Resistance is electrically connected with second electrode；
The conducting part includes an extension electrode, a low-temperature heat melting safety pole, a flow guiding electrode, the low-temperature heat melting insurance
Post one end is connected in extension electrode bottom, and the other end is connected with flow guiding electrode.
As with improvement, the connecting portion is identical with second electrode structure, and the second electrode includes external cabling post, top
Lid, fastening part, described top cover one end is connected with external cabling post, the affixed fastening part of the other end, the fastening part and shell ends
Portion is detachably connected.
As with improvement, the low-temperature heat melting safety pole is made of sn-bi alloy.
As with improvement, the depth of the low-temperature heat melting safety pole insertion extension electrode bottom is 1-2mm, the Low Temperature Thermal
The depth of molten safety pole insertion flow guiding electrode is 1-2mm.
As further with improvement, the low-temperature heat melting safety pole area is less than flow guiding electrode area, the low-temperature heat melting
Safety pole area is less than extension electrode.
As further, with improvement, the housing, which is adopted, is made from an insulative material.
As further with improvement, being also embedded with a display lamp, the display lamp and piezo-resistance in the first electrode
It is in parallel.
A kind of novel surge protective device disclosed in the utility model, the prior art that compares has the following advantages that：
1. simple in construction, easy to use, when the piezo-resistance of surge protector causes system to exceed because of faults itself
During the situation of operating temperature, when surge protector temperature exceedes after tolerable temperature, the fusing of low-temperature heat melting safety pole makes extension electricity
Connection is lost between pole and piezo-resistance, the open circuit of system is caused.So as to reach the present apparatus and the purpose of system disengaging.
2. low-temperature heat melting safety pole area is less than flow guiding electrode area and is less than extension electrode with low-temperature heat melting safety pole area,
So that causing second electrode to occur in that the enhanced phenomenon of current density in the position of low-temperature heat melting safety pole, due to conductive cross-sectional area
Reduction suddenly the position can be caused faster temperature rise change occur, the further fusing for accelerating low-temperature heat melting safety pole, from
And reach surge protector and realize the purpose of open circuit.
3. low-temperature heat melting safety pole is made of sn-bi alloy, sn-bi alloy has fusing point low, the characteristics of Yi Chengmo, can have
Effect improves efficiency during present apparatus batch production.
4. by using the display lamp in parallel with piezo-resistance, display lamp extinguishes after system open circuit, can effectively point out phase
Close practitioner and carry out upkeep operation.
5. the depth of low-temperature heat melting safety pole insertion extension electrode bottom is 1-2mm, low-temperature heat melting safety pole insertion water conservancy diversion
The depth of electrode is 1-2mm, the mounting stability of the low-temperature heat melting safety pole in the effective guarantee present apparatus.
Brief description of the drawings
Fig. 1 is overall structure diagram of the present utility model.
Fig. 2 is the structural representation of the utility model conducting part.
Fig. 3 is the circuit theory diagrams of surge protection system.
Embodiment
The utility model is described in further detail below in conjunction with the accompanying drawings.
A kind of novel surge protective device as shown in drawings, including first electrode 1, second electrode 2, housing 3, the housing
3 be hollow structure, and the first electrode 1 is removably connected to the two ends of housing 3 respectively with second electrode 2, and the first electrode 1 is wrapped
Integrally formed connecting portion 101 and conducting part 102 are included, the conducting part 102 is stretched into housing 3, and it passes through the affixed pressure in bottom
Quick resistance 4 is electrically connected with second electrode 2；
The conducting part 102 includes an extension electrode 102a, a low-temperature heat melting safety pole 102b, a flow guiding electrode 102c,
Described low-temperature heat melting safety pole 102b one end is connected in extension electrode 102a bottoms, and the other end is connected with flow guiding electrode 102c.
As with improvement, the connecting portion 101 is identical with the structure of second electrode 2, and second electrode includes external cabling post
201st, top cover 202, fastening part 203, described one end of top cover 202 are connected with external cabling post 201, the affixed fastening part of the other end
203, the fastening part 203 is detachably connected with the end of housing 3.
As with improvement, the low-temperature heat melting safety pole 102b is made of sn-bi alloy.
As with improvement, the depth of the low-temperature heat melting safety pole 102b insertion extension electrode 102a bottoms is 1-2mm, institute
The depth for stating low-temperature heat melting safety pole 102b insertion flow guiding electrodes 102b is 1-2mm.
As with improvement, the low-temperature heat melting safety pole 102b areas are less than flow guiding electrode area 102b, the Low Temperature Thermal
Molten safety pole 102b areas are less than extension electrode 102a.
It is made from an insulative material as with improvement, the housing 3 is adopted.
As further with improvement, being also embedded with a display lamp 5 in the first electrode 1, the display lamp 5 and pressure-sensitive electricity
Resistance 4 is in parallel.
The utility model is as follows using process：After the present apparatus is accessed in circuit, when running into thunderbolt or heavy current, work as electricity
The piezo-resistance 4 of surge protector because faults itself cause system occur beyond operating temperature situation when, when surge protector temperature
When degree is exceeded after tolerable temperature, low-temperature heat melting safety pole 102b fusings make extension electrode 102a be lost with piezo-resistance 4 and are connected,
Cause the open circuit of system.So as to reach the purpose departed from system, the utility model circuit theory diagrams, this dress are illustrated in figure 3
Put and power supply is connected by the end of first electrode 1, the end of second electrode 2 ground connection, the display lamp 5 is in parallel with piezo-resistance 4, disconnected in system
Display lamp 5 extinguishes behind road, effectively helping prompt correlation practitioner can carry out upkeep operation.
The utility model and embodiments thereof are described above, this description is no restricted, shown in accompanying drawing
Be also one of embodiment of the present utility model, actual structure is not limited thereto.If all in all this area
Those of ordinary skill is enlightened by it, is not being departed from the case that the utility model creates objective, without it is creative design with
The similar frame mode of the technical scheme and embodiment, all should belong to protection domain of the present utility model.
Claims (7)
1. a kind of novel surge protective device, it is characterised in that including first electrode, second electrode, housing, the housing is hollow
Structure, the first electrode is removably connected to housing two ends respectively with second electrode, and the first electrode includes being integrally formed
Connecting portion and conducting part, the conducting part stretched into housing, and it is electrically connected by the affixed piezo-resistance in bottom with second electrode
Connect；
The conducting part includes an extension electrode, a low-temperature heat melting safety pole, a flow guiding electrode, the low-temperature heat melting safety pole one
End is connected in extension electrode bottom, and the other end is connected with flow guiding electrode.
2. a kind of novel surge protective device according to claim 1, it is characterised in that the connecting portion and second electrode knot
Structure is identical, and the second electrode includes external cabling post, top cover, fastening part, and described top cover one end is connected with external cabling post, separately
The affixed fastening part in one end, the fastening part is detachably connected with shell end.
3. a kind of novel surge protective device according to claim 1, it is characterised in that the low-temperature heat melting safety pole is used
Sn-bi alloy is made.
4. a kind of novel surge protective device according to claim 1, it is characterised in that the low-temperature heat melting safety pole insertion
The depth of extension electrode bottom is 1-2mm, and the depth of the low-temperature heat melting safety pole insertion flow guiding electrode is 1-2mm.
5. a kind of novel surge protective device according to claim 1, it is characterised in that the low-temperature heat melting safety pole area
Less than flow guiding electrode area, the low-temperature heat melting safety pole area is less than extension electrode.
6. a kind of novel surge protective device according to claim 1, it is characterised in that the housing uses insulating materials system
Into.
7. a kind of novel surge protective device according to claim 1, it is characterised in that be also embedded with the first electrode
One display lamp, the display lamp is in parallel with piezo-resistance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720099197.8U CN206389110U (en) | 2017-01-23 | 2017-01-23 | A kind of novel surge protective device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720099197.8U CN206389110U (en) | 2017-01-23 | 2017-01-23 | A kind of novel surge protective device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206389110U true CN206389110U (en) | 2017-08-08 |
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ID=59494021
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720099197.8U Active CN206389110U (en) | 2017-01-23 | 2017-01-23 | A kind of novel surge protective device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206389110U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106655139A (en) * | 2017-01-23 | 2017-05-10 | 北京乾源风电科技有限公司 | Novel surge protector |
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2017
- 2017-01-23 CN CN201720099197.8U patent/CN206389110U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106655139A (en) * | 2017-01-23 | 2017-05-10 | 北京乾源风电科技有限公司 | Novel surge protector |
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