CN203339684U - Surge protector - Google Patents
Surge protector Download PDFInfo
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- CN203339684U CN203339684U CN2013203747027U CN201320374702U CN203339684U CN 203339684 U CN203339684 U CN 203339684U CN 2013203747027 U CN2013203747027 U CN 2013203747027U CN 201320374702 U CN201320374702 U CN 201320374702U CN 203339684 U CN203339684 U CN 203339684U
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- terminal
- surge protector
- piezo
- resistance
- release lever
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Abstract
The utility model discloses a surge protector, the width of which is reduced to half the width of the conventional 1P+N surge protector. The surge protector comprises a voltage dependent resistor, a gas discharge tube, a base, a first terminal, a second terminal, a third terminal, a rocker arm and a release rod, wherein the first terminal is in electrical conductive connection with one side of the release rod; the other side of the release rod is in electrical conductive connection with an input side of the voltage dependent resistor; an output side of the voltage dependent resistor is in electrical conductive connection with the third terminal; the third terminal is in electrical conductive connection with an input side of the gas discharge tube; and an output side of the gas discharge tube is in electrical conductive connection with the second terminal. Compared with the conventional 1P+N surge protector, the surge protector provided by the utility model has the same or better performance, and can withstand a maximum current of 40kA (8/20 [mu]s waveform).
Description
Technical field
The utility model relates to surge protector, relates to especially the 1P+N surge protector.
Background technology
Surge protector is applied to, in circuit, with load, be connected in parallel usually, while in circuit, surge occurring, is load bridging, and the protection load avoids because the surge in circuit is damaged.
Existing 1P+N surge protector, be comprised of two modules, comprises respectively piezo-resistance (MOV) and gas discharge tube (GDT) in each module.Because the size restrictions of piezo-resistance and gas discharge tube, in the existing product of selling in Schneider company, it is wide that this 1P+N surge protector is designed to 36mm, and the module of the module that comprises piezo-resistance and air inclusion discharge tube is wide 18mm respectively.
Fig. 1 shows the circuit structure diagram of existing 1P+N surge protector; it is placed on a side by neutral line terminal N and phase terminal L; earth connection terminal PE is at opposite side; electric current flows into from phase terminal L; through piezo-resistance; upwards flow through neutral line terminal N, then by gas discharger, flow to earth connection terminal PE.Wherein, neutral line terminal N and phase terminal L are arranged in to the same side, therefore, electric current, after flowing through piezo-resistance, can flow and could arrive neutral line terminal N to opposition side, and the distance of current flowing is large, can increase the space that wire structures takies.
Fig. 2 shows the schematic diagram of binding post of the base of existing 1P+N surge protector; its neutral line terminals N and phase terminal L are arranged in the same side of base length direction; earth connection terminal PE is arranged on the opposite side of length direction of base; this surge protector is by two module compositions that are respectively the 18mm width, and the overall width of base is 36mm.
On the basis of existing 1P+N surge protector, the size of surge protector also has improved space, can discharge more space for the user, and can reduce the use of material of surge protector so that reduce the production cost of surge protector.
The utility model content
The utility model proposes a kind of surge protector; half of the width that its width that can reduce surge protector is existing 1P+N surge protector; and have even better performance identical with existing 1P+N surge protector, its maximum current born can reach 40kA(8/20 μ s waveform).
According to surge protector of the present utility model, its technical scheme is: a kind of surge protector, comprise: piezo-resistance, gas discharge tube, base, the first terminal, the second terminal and the 3rd terminal, rocking arm and release lever, wherein the first terminal is connected with a side conductivity of release lever, the opposite side of release lever is connected with the input side conductivity of piezo-resistance, the outlet side of piezo-resistance is connected with the 3rd terminal conductivity, the 3rd terminal is connected with the input side conductivity of gas discharge tube, the outlet side of gas discharge tube is connected with the second terminal conductivity, release lever coordinates with rocking arm to make and is heated when piezo-resistance, when the piezo-resistance temperature surpasses threshold value, release lever disconnects the circuit of surge protector, the first terminal and the second terminal are arranged in the side on the base length direction, the 3rd terminal is arranged in the opposite side on the base length direction.
Preferably, release lever, piezo-resistance and gas discharge tube be arranged in successively from top to bottom base top and its length direction consistent with the length direction of base.
According to surge protector of the present utility model, by release lever, piezo-resistance and gas discharge tube be arranged in successively from top to bottom base top and its length direction consistent with the length direction of base, therefore, by the module that comprises piezo-resistance of originally separating with comprise that two module package of gas discharge tube are in a module, the first terminal and the second terminal and the 3rd terminal are outwards drawn the both sides from the length direction of base respectively, because the length direction of all parts in this surge protector is consistent with the length direction of base, reduced as much as possible the width of surge protector, reduced on the whole the volume of 1P+N surge protector, and by circuit and the structural design according to surge protector of the present utility model, still can realize the protective value of existing 1P+N surge protector, even can reach better performance.
Preferably, the input side of release lever and piezo-resistance welds by solder.
Use solder welding release lever and piezo-resistance, can be so that be heated when piezo-resistance, when the piezo-resistance temperature surpasses threshold value, the solder fusing, be electrically connected to disconnection between release lever and piezo-resistance.
Preferably, release lever is connected with the first terminal by the metal litzendraht wire.
Preferably, piezo-resistance is two piezo-resistances that are connected in parallel, input side and outlet side that described piezo-resistance input side and outlet side are these two piezo-resistances that are connected in parallel.
Use the piezo-resistance of two smaller powers to substitute a powerful piezo-resistance, can obtain the better protective value of surge protector, can make it by being 40kA(8/20 μ s waveform to the maximum) electric current.
Preferably, the first terminal, an end of the second terminal and the 3rd terminal stretches out to chassis outer side from base respectively, and the other end extends above base, has rigidity.
The first terminal, the second terminal and the 3rd terminal have rigidity can be so that it can support the parts of constant weight, for example, gas discharge tube.
Preferably, the input side of gas discharge tube and outlet side are connected to the second terminal and the 3rd terminal by two rigid connectors respectively.
These two connectors can be fixed on gas discharge tube the base top, and realize that gas discharge tube and the second terminal are connected with the conductivity between the 3rd terminal.
Preferably, the first terminal is phase terminal, and the second terminal is the earth connection terminal, and the 3rd terminal is neutral line terminal.
Preferably, described metal litzendraht wire is the copper pigtail line.
According to Surge Protector of the present utility model; because earth connection terminal and phase terminal are arranged in the same side; can realize, electric current flows into from phase terminal, through piezo-resistance; and flow and arrive neutral terminal in homonymy; flow through gas discharge tube to opposition side again and arrive the earth connection terminal, through the Surge Protector of this layout, reduced the distance of current flowing; reduced, in the required space taken of Surge Protector internal wiring structure, to have obtained the integrally-built minimizing of Surge Protector.
According to Surge Protector of the present utility model, by piezo-resistance and gas discharge tube are placed in same module, greatly reduced the volume of existing 1P+N surge protector, and reduced and manufactured the required parts of Surge Protector, reduced cost.
The accompanying drawing explanation
Other advantage of the present utility model and feature will be from ensuing that only provide with the purpose of non-limiting example and mean that the explanation of specific embodiment of the present utility model in the accompanying drawings becomes more obviously clear, in the accompanying drawings:
Fig. 1 shows the circuit structure diagram of existing 1P+N surge protector;
Fig. 2 shows the schematic diagram of binding post of the base of existing 1P+N surge protector;
Fig. 3 shows the circuit structure diagram according to surge protector of the present utility model;
Fig. 4 shows the schematic diagram according to the binding post of the base of surge protector of the present utility model;
Fig. 5 shows the structural representation according to surge protector of the present utility model;
Fig. 6 shows the structural representation according to the opposite side of the surge protector of Fig. 5.
Description of reference numerals
Embodiment
Below in conjunction with Fig. 3 to Fig. 6, surge protector of the present utility model is described in detail.
Fig. 5 and Fig. 6 show the structural representation according to surge protector of the present utility model from two opposite sides respectively.
As shown in Figure 5 and Figure 6, according to surge protector of the present utility model, comprise: piezo-resistance 1,18, gas discharge tube 2, base 3, the first terminal 4, the second terminals 5 and the 3rd terminal 6, rocking arm 8 and release lever 7.Release lever 7, piezo-resistance 1 and gas discharge tube 2 are arranged in base 6 tops from top to bottom successively.Release lever 7, the length direction of piezo-resistance 1 and gas discharge tube 2 is consistent with the length direction of base, and the first terminal 4 and the second terminal 5 are arranged in the side on the base length direction, and the 3rd terminal 6 is arranged in the opposite side on the base length direction.
The base length direction of indication, be the direction relative with the base Width in this article, and the length of base is greater than the width of base usually.
The first terminal 4 is connected by metal litzendraht wire 9 with release lever 7, and the metal litzendraht wire is preferably made of copper, and release lever 7 is connected with the input electrode 10 of piezo-resistance.At this, the first terminal 4 is phase terminal, is the terminal of electric current input, usually connects live wire.
There are in this embodiment two piezo-resistances 1,18, these two piezo-resistances 1,18 are connected in parallel, the input side of the piezo-resistance after parallel connection, the input electrode of these two piezo-resistances 1,18 is joined together to form the input electrode 10 of piezo-resistance, this input electrode 10 is through release lever 7, and stretch out from release lever 7, between input electrode 10 and release lever 7, use solder to be welded to connect, form solder district 11.Solder is for being at low temperatures fusible scolder, it is after piezo-resistance is heated intensification, when temperature rise reaches the threshold value of setting, the solder melting, be welded to connect disconnection between input electrode 10 and release lever 7, be subject to the effect of the elastic force of spring 16, release lever 7 is around axle 17 pivotables, and being connected fully between release lever 7 and input electrode 10 disconnects.The pivotable of this release lever 7 need to coordinate with spring 16 and rocking arm 8, comprise that the detailed description of tripping mechanism of release lever 7, spring 16 and rocking arm 8 is referring to the Chinese patent application of Schneider company: 201110346844.8, it is incorporated herein by reference in full, at this, no longer is specifically described.In Chinese patent application: the embodiment of the release lever of mentioning in 201110346844.8 all can be used at this, as the tripping mechanism of Surge Protector of the present utility model.At this, threshold value is set according to the characteristic of the different piezo-resistance of selecting, and selects corresponding solder.
Piezo-resistance 1 has output electrode 12, and piezo-resistance 18 has output electrode 13, and output electrode 12 all is connected on the 3rd terminal 6 with output electrode 13, and at this, the 3rd terminal 6 is neutral line terminal, usually connects zero line.
The input side of gas discharger 2 is connected with the 3rd terminal 6 by the first connector 14, and the outlet side of gas discharger 2 is connected with the second terminal 5 by the second connector 15, and at this, the second terminal 5 is the earth connection terminal.
Although, use in the present embodiment two piezo-resistances,, only use a piezo-resistance also can realize the purpose of this utility model.At this, use the piezo-resistance of two smaller powers to substitute a powerful piezo-resistance, can obtain the better protective value of surge protector, can make it by for example being 40kA(8/20 μ s waveform to the maximum) electric current.
According to said structure; in surge protector of the present utility model; the first terminal is connected with a side conductivity of release lever; the opposite side of release lever is connected with the input side conductivity of piezo-resistance; the outlet side of piezo-resistance is connected with the 3rd terminal conductivity; the 3rd terminal is connected with the input side conductivity of gas discharge tube; the outlet side of gas discharge tube is connected with the second terminal conductivity; release lever coordinates with rocking arm to make and is heated when piezo-resistance; when the piezo-resistance temperature surpasses threshold value, release lever disconnects the circuit of surge protector.
Electric current flows into from phase terminal, the release lever of flowing through, enter again the input electrode of piezo-resistance, after piezo-resistance, flow to neutral line terminal, electric current flow to the input side of gas discharge tube again from neutral line terminals, the gas coming through discharge tube finally flow to the earth connection terminal from the outlet side of gas discharge tube.When in circuit, the piezo-resistance heating surpasses the threshold value of setting; being connected between release lever and piezo-resistance is while disconnecting fully; be electrically connected to disconnection between release lever and piezo-resistance, the circuit of Surge Protector disconnects, and has effectively protected Surge Protector and piezo-resistance thereof.
Fig. 3 and Fig. 4 show respectively the schematic diagram according to the binding post of the circuit structure diagram of surge protector of the present utility model and base.
The arrangement of phase terminal, earth connection terminal and neutral line terminal matches and can realize circuit as shown in Figure 3 with the flow path of electric current; electric current flows into from phase terminal; through piezo-resistance; and flow and arrive neutral terminal in homonymy; flow through gas discharge tube to opposition side again and arrive the earth connection terminal; Surge Protector through this layout; reduced the distance of current flowing; reduced, in the required space taken of Surge Protector internal wiring structure, to have obtained the integrally-built minimizing of Surge Protector.
According to surge protector of the present utility model, by release lever, piezo-resistance and gas discharge tube be arranged in successively from top to bottom base top and its length direction consistent with the length direction of base, therefore, by the module that comprises piezo-resistance of originally separating with comprise that two module package of gas discharge tube are in a module, the first terminal and the second terminal and the 3rd terminal are outwards drawn the both sides from the length direction of base respectively, because the length direction of all parts in this surge protector is consistent with the length direction of base, reduced as much as possible the width of surge protector, reduced on the whole the volume of 1P+N surge protector, and by circuit and the structural design according to surge protector of the present utility model, still can realize the protective value of existing 1P+N surge protector, even can reach better performance.
Further, the first terminal, the second terminal and the 3rd terminal also can be used the electric conducting material with rigidity to make, so that it can support the parts of constant weight, for example, gas discharge tube.
In this embodiment, the input side of gas discharge tube and outlet side are connected to the second terminal and the 3rd terminal by the first connector and the second connector respectively, and this first connector and the second connector also can use rigid, conductive material to make.
These two connectors can be fixed on gas discharge tube the base top, and realize that gas discharge tube and the second terminal are connected with the conductivity between the 3rd terminal.
Existing 1P+N surge protector comprises two modules; each module is that 18mm is wide; therefore overall width is 36mm; according to surge protector of the present utility model, piezo-resistance and gas discharge tube are integrated in a module; and be upwards to place piezo-resistance and gas discharge tube along base, the width that only uses an original module i.e. accommodating piezo-resistance and gas discharge tube simultaneously, therefore; width can be reduced to original half, i.e. 18mm according to surge protector of the present utility model.
At this, although be to describe with the width of existing 1P+N surge protector, according to the width of surge protector of the present utility model, can be 18mm, this is only for the purpose of example, rather than the purpose of restriction.In the situation that do not depart from spirit of the present utility model, the width of surge protector can be set as required.
Piezo-resistance and gas discharge tube are not limited to arrange up and down above base, also can above base, arrange left and right, can realize the purpose of this utility model equally.
According to Surge Protector of the present utility model, by piezo-resistance and gas discharge tube are placed in same module, greatly reduced the volume of existing 1P+N surge protector, and reduced and manufactured the required parts of Surge Protector, reduced cost.
Above the utility model is described in detail; for one of ordinary skill in the art; thought according to the utility model embodiment; change in specific embodiments and applications should not thought the scope that has departed from the utility model protection; in sum, this description should not be construed as restriction of the present utility model.
Claims (9)
1. a surge protector, comprise: piezo-resistance (1, 18), gas discharge tube (2), base (3), the first terminal (4), the second terminal (5) and the 3rd terminal (6), rocking arm (8) and release lever (7), it is characterized in that: the first terminal (4) is connected with a side conductivity of release lever (7), the opposite side of release lever (7) and piezo-resistance (1, 18) input side conductivity connects, piezo-resistance (1, 18) outlet side is connected with the 3rd terminal (6) conductivity, the 3rd terminal (6) is connected with the input side conductivity of gas discharge tube (2), the outlet side of gas discharge tube (2) is connected with the second terminal (5) conductivity, release lever (7) coordinates and makes when piezo-resistance (1 with rocking arm (8), 18) be heated, piezo-resistance (1, when 18) temperature surpasses threshold value, release lever (7) disconnects the circuit of surge protector, the first terminal (4) is arranged in the side on base (3) length direction with the second terminal (5), the 3rd terminal (6) is arranged in the opposite side on base (3) length direction.
2. surge protector according to claim 1 is characterized in that: release lever (7) welds by solder with the input side of piezo-resistance (1,18).
3. surge protector according to claim 1 is characterized in that: release lever (7) is connected with the first terminal by metal litzendraht wire (9).
4. according to the described surge protector of any one in claims 1 to 3; it is characterized in that: piezo-resistance (1,18) is two piezo-resistances that are connected in parallel (1,18), input side and outlet side that described piezo-resistance (1,18) input side and outlet side are these two piezo-resistances that are connected in parallel (1,18).
5. according to the described surge protector of any one in claims 1 to 3; it is characterized in that: the first terminal (4); one end of the second terminal (5) and the 3rd terminal (6) respectively from base (3) to base (3) outside stretch out, the other end extends in base (3) top, has rigidity.
6. surge protector according to claim 5, it is characterized in that: the input side of gas discharge tube (2) and outlet side are connected to the second terminal (5) and the 3rd terminal (6) by two rigid connectors respectively.
7. according to the described surge protector of any one in claims 1 to 3, it is characterized in that: the first terminal (4) is phase terminal, and the second terminal (5) is the earth connection terminal, and the 3rd terminal (6) is neutral line terminal.
8. surge protector according to claim 3, it is characterized in that: described metal litzendraht wire (9) is the copper pigtail line.
9. surge protector according to claim 1; it is characterized in that: release lever (7), piezo-resistance (1,18) and gas discharge tube (2) be arranged in successively from top to bottom base (3) top and its length direction consistent with the length direction of base (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203747027U CN203339684U (en) | 2013-06-27 | 2013-06-27 | Surge protector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203747027U CN203339684U (en) | 2013-06-27 | 2013-06-27 | Surge protector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203339684U true CN203339684U (en) | 2013-12-11 |
Family
ID=49708340
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013203747027U Withdrawn - After Issue CN203339684U (en) | 2013-06-27 | 2013-06-27 | Surge protector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203339684U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104253423A (en) * | 2013-06-27 | 2014-12-31 | 施耐德电器工业公司 | Surge protection device |
-
2013
- 2013-06-27 CN CN2013203747027U patent/CN203339684U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104253423A (en) * | 2013-06-27 | 2014-12-31 | 施耐德电器工业公司 | Surge protection device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20131211 Effective date of abandoning: 20181002 |
|
| AV01 | Patent right actively abandoned |