CN203553930U - Small-volume surge protector - Google Patents
Small-volume surge protector Download PDFInfo
- Publication number
- CN203553930U CN203553930U CN201320667856.5U CN201320667856U CN203553930U CN 203553930 U CN203553930 U CN 203553930U CN 201320667856 U CN201320667856 U CN 201320667856U CN 203553930 U CN203553930 U CN 203553930U
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- Prior art keywords
- surge protector
- release member
- piezo
- resistance
- hot release
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- Expired - Lifetime
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- 230000001012 protector Effects 0.000 title claims abstract description 25
- 239000003063 flame retardant Substances 0.000 claims description 3
- 239000011810 insulating material Substances 0.000 claims description 3
- 238000007599 discharging Methods 0.000 abstract 2
- 230000037361 pathway Effects 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000002360 explosive Substances 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
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Abstract
The utility model discloses a small-volume surge protector which is characterized by including: a main circuit and a minor circuit. The main circuit includes an L end, an N end and a G end, wherein the L end is connected to the N end after being connected serially with a piezoresistor MOV1 through a thermal trip part TCO1; the G end is connected to one end of a discharging tube GDT; and the other end of the discharging tube GDT is connected to the L end after being connected serially with a piezoresistor MOV2 through a thermal trip part TCO2 and at the same time connected to the N end after being connected serially with a a piezoresistor MOV3 through a thermal trip part TCO3. The minor circuit includes thermal trip parts TCO4, TCO5 and TCO6, which are connected serially. Thermal conductive pathways are arranged between the piezoresistor MOV1 and the thermal trip parts TCO1 and TCO4, between the piezoresistor MOV2 and the thermal trip parts TCO2 and TCO5 and between the piezoresistor MOV3 and the thermal trip parts TCO3 and TCO6. The scheme realizes reduction of the volume of the surge protector on the basis that product equal performance diameters are realized through a small number of parts so that a scheme for a small-volume full-mold surge protector is easy to form.
Description
Technical field
The utility model relates to a kind of Surge Protector of distribution system.
Background technology
Utilize the Surge Protector of hot release member, with its superior nonlinear characteristic, be widely used in overvoltage, the overcurrent protective device of each class of electronic devices, device and circuit.Along with the development of various state-of-the-art technologys, to Surge Protector, protection realizes small size, kinds of protect pattern in effect, requirement that properties of product are stable becomes clear day by day meeting.
In actual utilization, according to the difference of distribution system, conventionally also can increase device number in surge protection and meet defencive function, when multiple combination of devices, must make the volume of Surge Protector entirety limited, cannot reach the requirement of small size.Meanwhile, in the assembling process of this class Surge Protector, the connection of inner member there will be and gets loose or connect bad phenomenon, causes the hidden danger in Surge Protector function, simultaneously the protected equipment of serious harm rear end.
Utility model content
For Surge Protector, for meeting function, complex structure is difficult to small size, and more parts have and connect the defect of hidden danger of getting loose, and the utility model proposes a kind of small size Surge Protector, and its technical scheme is as follows:
A kind of small size Surge Protector, it comprises:
Major loop, comprises a L end, a N end and G end; Wherein L end is connected after a piezo-resistance MOV1 and is connected in described N end by a hot release member TCO1; Described G end is connected in one end of a discharge tube GDT; The other end of this discharge tube GDT is connected and is connected in described L end after a piezo-resistance MOV2 by a hot release member TCO2, also by a hot release member TCO3, is connected after a piezo-resistance MOV3 and is connected in described N end simultaneously; And subloop, there are two signal ends, between this signal end, comprise hot release member TCO4, the TCO5 and the TCO6 that are in series;
Wherein, described piezo-resistance MOV1 and hot release member TCO1, TCO4 have thermal conducting path; Described piezo-resistance MOV2 and hot release member TCO2, TCO5 have thermal conducting path; Described piezo-resistance MOV3 and hot release member TCO3, TCO6 have thermal conducting path.The parts that can open circuit when hot release member is temperature over-range, comprise Thermal Cutoffs, mechanical tripping device etc.
The preferred person of this programme can have following feature:
In preferred embodiment, described major loop and subloop are all fixed on the same side of a mounting blocks.
In preferred embodiment, described piezo-resistance MOV1, MOV2 and MOV3 are by its thickness direction linear array on described mounting blocks, and described hot release member TCO1, TCO2, TCO3, TCO4, TCO5 and TCO6 and discharge tube GDT are fixed in the space between described piezo-resistance.
In preferred embodiment, described major loop and subloop are all fixed in a shell, fill fire-retardant insulating material in this shell.
In preferred embodiment, described L end, N end, G end and signal end are all positioned at the same side.
The beneficial effect that this programme brings has:
1. this programme is realized on the basis of the equal performance parameter of product with a small amount of parts, dwindles the volume of Surge Protector; Realized the multiple effective defencive function of distribution system and the requirement to the remote monitoring of lightning protection module; Effectively prevented because of hidden danger such as burning that pressure responsive resistor failure causes, blasts.Easily form the full mould Surge Protector of small size scheme.
2. piezo-resistance is pressed its thickness direction linear array on mounting blocks, and hot release member and discharge tube are fixed in the space between piezo-resistance, this structure takes full advantage of piezo-resistance and hot release member volume size distribution, has reduced to greatest extent the volume of device.
Accompanying drawing explanation
Below in conjunction with accompanying drawing embodiment, the utility model is described in further detail:
Fig. 1 is the circuit diagram of the utility model one embodiment;
Fig. 2 is the critical piece explosive view of installation assembly embodiment illustrated in fig. 1.
Embodiment
As depicted in figs. 1 and 2, be the schematic diagram of an embodiment of the utility model.Wherein, Fig. 1 has shown its circuit structure; Fig. 2 is the explosive view of its critical piece geometric position and structure.
The small size Surge Protector of the present embodiment, it comprises a major loop and a subloop.The device of major loop has piezo-resistance MOV1, MOV2 and MOV3, hot release member TCO1, TCO2 and TCO3, and a discharge tube GDT.The external pin of this major loop comprises a L end, a N end and G end; Wherein L end is connected after a quick resistance MOV1 and is connected in described N end by hot release member TCO1; G end is connected in one end of discharge tube GDT; The other end of discharge tube GDT is connected in L end after by hot release member TCO2 series connection piezo-resistance MOV2, simultaneously also by being connected in N end after hot release member TCO3 series connection piezo-resistance MOV3.
Circuit and the major loop of subloop are separate.This negative loop has two signal end S1 and S2, comprises hot release member TCO4, the TCO5 and the TCO6 that are in series between S1 and S2.
Be more than the structure of circuit, in addition, also there is definite radiator structure.Piezo-resistance MOV1 and hot release member TCO1, TCO4 have thermal conducting path; Piezo-resistance MOV2 and hot release member TCO2, TCO5 have thermal conducting path; Piezo-resistance MOV3 and hot release member TCO3, TCO6 have thermal conducting path.
The structure of TCO1 and MOV1, has formed the differential mode protection of L-N, and when MOV1 occurs to lose efficacy or when L-N loop is short-circuited or occurs overcurrent, TCO1 fuse and disconnects L end and N being connected between holding; The syndeton of TCO, MOV2 and GDT has formed the common mode protection of N-G, and when MOV2 occurs to lose efficacy or when N-G loop is short-circuited or occurs overcurrent, TCO2 fuse and disconnects described N end and G being connected between holding; MOV3, TCO3 form the common mode protection of L-G together with the syndeton of GDT, when MOV3 occurs to lose efficacy or when L-G loop is short-circuited or occurs overcurrent, TCO3 fuse and disconnects L end and G being connected between holding.The above, formed the full mould protection to distribution system.
In negative loop, one end of TCO4 is as the signal end S1 drawing, and the other end of TCO6 is as signal end S2, and S1 and S2 are connected in and detect in loop, has formed the state indication loop of Surge Protector.
Visible, this programme is realized on the basis of the equal performance parameter of product with a small amount of parts, has dwindled the volume of Surge Protector; Realized the multiple effective defencive function of distribution system; With the requirement to the remote monitoring of lightning protection module; The combination of piezo-resistance and hot release member, has effectively prevented because of hidden danger such as burning that pressure responsive resistor failure causes, blasts.Easily form the full mould Surge Protector of small size scheme.
The present embodiment also has some other feature:
Major loop and subloop are all fixed on the same side of a mounting blocks 1, and this mounting blocks 1, both as fixed part, is used as electric connecting part again, can make all parts use the shortest line to complete electrical connection, fixed structure compactness simultaneously.
Shown in Fig. 2, piezo-resistance MOV1, MOV2 and MOV3 press its thickness direction linear array on mounting blocks 1, and hot release member TCO1, TCO2, TCO3, TCO4, TCO5 and TCO6 and discharge tube GDT are fixed in the space between piezo-resistance, this structure takes full advantage of piezo-resistance and hot release member volume size distribution, has reduced to greatest extent the volume of device.
Shown in Fig. 3, major loop and subloop are all fixed in a shell, and this shell is combined by upper cover 20 and base plate 10, fill fire-retardant insulating material in this shell.Formed that heat conduction is good, the good compact solution of security performance.
For ease of modularization, install and fix, the pin 30 of L end, N end, G end and signal end is all positioned at the same side of shell.
The above, it is only the utility model preferred embodiment, therefore can not limit according to this scope that the utility model is implemented, the equivalence of doing according to the utility model the scope of the claims and description changes and modifies, and all should still belong in the scope that the utility model contains.
Claims (5)
1. a small size Surge Protector, is characterized in that: it comprises:
Major loop, comprises a L end, a N end and G end; Wherein L end is connected after a piezo-resistance MOV1 and is connected in described N end by a hot release member TCO1; Described G end is connected in one end of a discharge tube GDT; The other end of this discharge tube GDT is connected and is connected in described L end after a piezo-resistance MOV2 by a hot release member TCO2, also by a hot release member TCO3, is connected after a piezo-resistance MOV3 and is connected in described N end simultaneously; And
Subloop, has two signal ends, comprises hot release member TCO4, the TCO5 and the TCO6 that are in series between this signal end;
Wherein, described piezo-resistance MOV1 and hot release member TCO1, TCO4 have thermal conducting path; Described piezo-resistance MOV2 and hot release member TCO2, TCO5 have thermal conducting path; Described piezo-resistance MOV3 and hot release member TCO3, TCO6 have thermal conducting path.
2. a kind of small size Surge Protector according to claim 1, is characterized in that: described major loop and subloop are all fixed on the same side of a mounting blocks.
3. a kind of small size Surge Protector according to claim 2; it is characterized in that: described piezo-resistance MOV1, MOV2 and MOV3 are by its thickness direction linear array on described mounting blocks, and described hot release member TCO1, TCO2, TCO3, TCO4, TCO5 and TCO6 and discharge tube GDT are fixed in the space between described piezo-resistance.
4. according to a kind of small size Surge Protector described in claim 1 or 2 or 3, it is characterized in that: described major loop and subloop are all fixed in a shell, in this shell, fill fire-retardant insulating material.
5. a kind of small size Surge Protector according to claim 4, is characterized in that: described L end, N end, G end and signal end are all positioned at the same side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320667856.5U CN203553930U (en) | 2013-10-28 | 2013-10-28 | Small-volume surge protector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320667856.5U CN203553930U (en) | 2013-10-28 | 2013-10-28 | Small-volume surge protector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203553930U true CN203553930U (en) | 2014-04-16 |
Family
ID=50471999
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320667856.5U Expired - Lifetime CN203553930U (en) | 2013-10-28 | 2013-10-28 | Small-volume surge protector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203553930U (en) |
-
2013
- 2013-10-28 CN CN201320667856.5U patent/CN203553930U/en not_active Expired - Lifetime
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140416 |
|
| CX01 | Expiry of patent term |