CN209675934U - A kind of Surge Protector - Google Patents
A kind of Surge Protector Download PDFInfo
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- CN209675934U CN209675934U CN201920757264.XU CN201920757264U CN209675934U CN 209675934 U CN209675934 U CN 209675934U CN 201920757264 U CN201920757264 U CN 201920757264U CN 209675934 U CN209675934 U CN 209675934U
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- varistor
- frame
- electrode
- discharge tube
- release device
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Abstract
The utility model discloses a kind of Surge Protectors; including shell and it is set to the intracorporal first assembly of shell and the second component; first frame and the second frame are compressed structure; the first assembly includes the first frame; with the first varistor and the first thermal release device for being divided into the first frame two sides; second component includes the second frame; with the second varistor and the second thermal release device for being divided into the second frame two sides; discharge tube group is set on the second frame, and with the ipsilateral setting of the second thermal release device；First frame and the second frame are stacked, and so that first varistor and the second varistor is connected setting back-to-back, and draw third pin electrode by discharge tube group.The Surge Protector of the utility model is compact-sized, modularity is good, meets the requirement of miniaturized application.
Description
Technical field
The utility model relates to anti-thunder technical field more particularly to a kind of Surge Protectors.
Background technique
Existing 10kA (8/20us) and the above Surge Protector are limited, no by the size of the protection device such as varistor
It is able to satisfy the lasting miniature requirement of electronic product, the demand of especially onboard Surge Protector, optimized dimensions is more urgent
It cuts.
The Surge Protector of existing 10kA (8/20us) or more, the general combination for using varistor and discharge tube,
Varistor and discharge tube constitute T-type network, and one end of two varistors is connected with zero curve with firewire respectively, two varistors
The other end is connected with discharge tube one end jointly, and is connected to ground wire by the other end of discharge tube.How surge is reasonably optimized
The layout of protector inner space, it is this that so that Surge Protector is easier to, production assembly, reliability is higher or optimizes cost
The direction of field technical staff's sustained improvement.
Utility model content
In view of the above drawbacks of the prior art, one of the purpose of this utility model is to provide a kind of Surge Protector, In
On the basis of same protective capacities, by optimizing the topology layout of Surge Protector, the production for optimizing Surge Protector is assembled, with
Improve production efficiency.
To achieve the above object, the utility model provides a kind of Surge Protector, including shell and is set in shell
First assembly and the second component, the first assembly include the first frame, the first varistor and the first thermal release device, institute
Stating the second component includes the second frame, the second varistor, the second thermal release device and discharge tube group；
First frame and the second frame are compressed structure, and the first varistor and the first thermal release device are divided into
The two sides of one frame, the second varistor and the second thermal release device are divided into the two sides of the second frame, discharge tube group and second
The ipsilateral setting of thermal release device；The positive electrode of first varistor draws the first pin electrode by the first thermal release device, the
The positive electrode of two varistors draws second pin electrode by the second thermal release device；
First frame and the second frame are stacked, and set first varistor and the second varistor back-to-back
It sets, the back electrode electrical connection of the back electrode of the first varistor and the second varistor, and third is drawn by discharge tube group and is drawn
Foot electrode.
Further, first frame is equipped with the first varistor accommodation groove, and the first varistor accommodation groove is for setting
First varistor is set, first thermal release device is set at the back side of varistor accommodation groove, described first is pressure-sensitive
The positive electrode of resistance passes through the partition and the first thermal release device between the first varistor accommodation groove and the first thermal release device
Connection；
Second frame is equipped with the second pressure-sensitive accommodation groove, and the second varistor accommodation groove is for being arranged the second pressure-sensitive electricity
The back side of resistance, the second varistor accommodation groove is equipped with discharge tube accommodation groove and the second thermal release device；Described second is pressure-sensitive
The positive electrode of resistance passes through the partition and the second thermal release device between the second varistor accommodation groove and the second thermal release device
Connection；
Second frame is equipped with multiple discharge tube accommodation grooves, and each discharge tube accommodation groove is used to place a discharge tube,
The discharge tube of the discharge tube group be it is horizontal positioned, the discharge tube group include a discharge tube or multiple concatenated discharge tubes.
Further, first frame and second frame are equipped with guide rail, first thermal release device and institute
Stating the second thermal release device includes reed electrode, sliding block and pressure spring；The positive electrode of the reed electrode and varistor passes through
Fusible alloy connection, the reed electrode withstand sliding block, and pressure spring is made to keep compressive state；In failure state, fusible alloy is molten
Change, the sliding block slides under the action of pressure spring along the guide rail.
Further, first frame and the second frame are provided with remote signalling switching device, the remote signalling switching device
It links with the thermal release device.
Further, notch is provided between adjacent discharge tube accommodation groove, the notch is for being arranged discharge tube first
Electrode is to connect connected discharge tube.
Further, the back electrode of first varistor is drawn from the side wall of the first frame, the second pressure-sensitive electricity
The back electrode of resistance is drawn from the side wall of the second frame, and the discharge tube group draws discharge tube second electrode, the discharge tube second
Electrode is in the side wall of the first frame and the second frame back electrode with the back electrode of the first varistor, the second varistor respectively
Welding.
Further, the Surge Protector is welding plate formula Surge Protector, the first pin electrode, second pin electricity
The ipsilateral extraction of pole and third pin electrode from shell.
The utility model has the beneficial effects that
Relative to existing Surge Protector, on the basis of approximate same protection, the Surge Protector of the utility model
The topology layout that varistor frame is made full use of in structure two varistors is arranged by backrest, so that the implementation
The compact-sized of Surge Protector of example, modularity are good, and meet the requirement of miniaturized application.
Meanwhile the thermal release device of the Surge Protector of the utility model is respectively in the exterior measuring of varistor, two trippings
The distance of point is at a distance of farther, and issuable flue gas and electric arc influence each other when trip gear being avoided to act, and causes to thread off
Failure；Trip point is located at the two sides of varistor, and the welding of thermal release device and welding quality is visual when easy to produce
It checks, to make the better reliability of the Surge Protector of the embodiment.
Detailed description of the invention
Fig. 1 is the general assembly drawing of the Surge Protector of the first embodiment of the utility model；
Fig. 2 is the assembling schematic diagram of the first assembly of first embodiment；
Fig. 3 A is the first view of the first frame；
Fig. 3 B is the second view of the first frame；
Fig. 4 is the assembling schematic diagram of the second component of first embodiment；
Fig. 5 A is the first view of the second frame；
Fig. 5 B is the second view of the second frame；
Fig. 6 is the first electrical schematic diagram of Surge Protector；
Fig. 7 A is the second electrical schematic diagram of Surge Protector；
Fig. 7 B is the second electrical schematic diagram of Surge Protector；
Fig. 7 C is the third electrical schematic diagram of Surge Protector；
Fig. 7 D is the 4th electrical schematic diagram of Surge Protector.
Specific embodiment
To further illustrate each embodiment, the utility model is provided with attached drawing.These attached drawings are in the utility model discloses
A part of appearance mainly to illustrate embodiment, and can cooperate the associated description of specification former come the running for explaining embodiment
Reason.Cooperation refers to these contents, and those of ordinary skill in the art will be understood that other possible embodiments and sheet are practical new
The advantages of type.Component in figure is not necessarily to scale, and similar component symbol is conventionally used to indicate similar component.
Now in conjunction with the drawings and specific embodiments, the present invention will be further described.
First embodiment:
As shown in Figure 1, Figure 2 and Figure 4, the utility model discloses a kind of first embodiments of Surge Protector, by shell
(not shown), first assembly 100 and the second component 200 composition.
First assembly 100 includes that the inside of varistor, heat and the second component 200 is opposite, is stacked, and pass through first
Pin electrode 28, second pin electrode 21 and third pin electrode 12 are drawn.First embodiment can be using such as Fig. 6, Fig. 7 A, figure
Surge Protector circuit shown in 7B, Fig. 7 C and Fig. 7 D, including varistor MOV1, MOV2, discharge tube GDT1,
GDT2, GDT3 and remote signalling circuit, remote signalling circuit include concatenated switch K1, K2, the thermal tripping of switch K1 and varistor MOV1
Device association, switch 2 are associated with the thermal release device of varistor MOV2, and discharge tube GDT1, GDT2, GDT3 connect to form electric discharge
Pipe group.
To be easy to produce, protection circuit is divided into two groups, is respectively charged into first assembly 100 and the second component 200, first
Component 100 includes the varistor MOV1 and its thermal release device and switch K1 protected in circuit, varistor MOV1 correspondence
Varistor 24A, the second component 200 include protecting varistor MOV2 in circuit and its thermal release device, switch 2 and putting
Fulgurite group.
In conjunction with shown in Fig. 2 and Fig. 3 A, Fig. 3 B, first assembly 100 includes the first frame 26, varistor 24A, positive electrode
23A, back electrode 25A, pressure spring 20A, sliding block 19A, reed electrode 18A and the first pin electrode 28.The inside of first frame 26 is set
There is pressure-sensitive accommodation groove 265 to be respectively welded positive electrode 23A and back electricity for accommodating varistor 24A, the two sides of varistor 24A
Pole 25A, the first frame 26 outside and pressure-sensitive accommodation groove 265 partition be equipped with electrode opening 264, pressure spring 20A, sliding block 19A,
The positive electrode 23A of reed electrode 18A, one end of reed electrode 18A and varistor 24A are at electrode opening 264 by meltable
Alloy connection is equipped with guide rail 261 in the outside of the first frame 26 and guide rail 261 is provided with pressure spring accommodation groove 262, pressure spring
20A, sliding block 19A, reed electrode 18A form thermal release device in the outside of the first frame 26, when varistor 24A overheat,
Fusible alloy melted by heat, sliding block 19A are slided on guide rail 261 under the action of pressure spring 20A, thus make reed electrode 18A and
The positive electrode 23A of varistor 24A is detached from.Reed electrode 18A is drawn by the first pin electrode 28, and back electrode 25A is in first
The side wall of frame 26 is drawn.
In conjunction with shown in Fig. 4 and Fig. 5 A, Fig. 5 B, the second component 200 includes the second frame 22, varistor 24B, positive electrode
23B, it back electrode 25B, pressure spring 20B, sliding block 19B, reed electrode 18B, second pin electrode 21, discharge tube first electrode 13, puts
Fulgurite second electrode 15 and third pin electrode 12.It is pressure-sensitive for accommodating that the inside of second frame 22 is equipped with pressure-sensitive accommodation groove 225
Resistance 24B, the two sides of varistor 24B are respectively welded positive electrode 23B and back electrode 25B, the second frame 22 outside and
The partition of pressure-sensitive accommodation groove 225 is equipped with electrode opening 224, is equipped with guide rail 221 in the outside of the second frame 22 and in guide rail 221
It is provided with pressure spring accommodation groove 222, pressure spring 20B, sliding block 19B, reed electrode 18B is in the outside of the first frame 26 composition thermal tripping dress
It sets, when varistor overheat, fusible alloy melted by heat, sliding block 19B is slided on guide rail 221 under the action of pressure spring 20B,
To make the positive electrode 23B of reed electrode 18B and varistor 24B be detached from.Reed electrode 18B is drawn by second pin electrode 21
Out.
In this embodiment, discharge tube 14 has 3, and the thickness of discharge tube 14 is less than the diameter of discharge tube 14, electric discharge
Pipe 14, which passes through, lays flat the structure that setting is more advantageous to optimization product, when discharge tube 14 is in being horizontally arranged, for convenient for discharge tube 14
Series connection and fixed, sets that there are three discharge tube accommodation grooves 226, and adjacent discharge tube accommodation groove in the outside in the second frame 22
Notch is provided between 226, the notch is used to be arranged the connected discharge tube of the connection of discharge tube first electrode 13.Each discharge tube
Accommodation groove 226 can put a discharge tube 14, to realize the series connection and fixation of three discharge tubes 14.
Discharge tube 14 is connected into discharge tube group by discharge tube first electrode 13, and back electrode 25B is from the side of the second frame 22
Wall is drawn, and one end of discharge tube group is drawn by third pin electrode 12, and the other end of discharge tube group draws the second electricity of discharge tube
Pole 15 is connected with the back electrode 25B of varistor 24B in the sidewall weld of the second frame 22.
First frame and the second frame are provided with remote signalling switching device, and the remote signalling switching device and the heat are de-
Buckle device linkage, the structure can protrude from first frame or the second frame, not influence the structure of thermal release device, herein not
It elaborates.
As shown in Figure 1, after completing the assembly of first assembly 100 and the second component 200, the back electrode of first assembly 100
The discharge tube second electrode 15 of 25A and the second component 200 welded connecting, realization first assembly 100 and the second component 200 are electrically connected
It connects.In this embodiment, which is a welding plate formula Surge Protector, the first pin electrode 28, second pin
Electrode 21, third pin electrode 12 reassemble shell in the ipsilateral extraction of first assembly 100 and the combination of the second component 200,
Form complete Surge Protector.
Relative to existing Surge Protector, on the basis of approximate same protection, the Surge Protector of the utility model
The core of Surge Protector is divided into two component stackings by the topology layout that varistor frame is made full use of in structure
It is arranged and is electrically connected, the varistor of two components is set to the inside of Surge Protector back-to-back, so that the reality
It applies that the compact-sized of the Surge Protector of example, modularity are good, and meets the requirement of miniaturized application.
Meanwhile the thermal release device of the Surge Protector of the utility model is respectively in the exterior measuring of varistor, two trippings
The distance of point is at a distance of farther, and issuable flue gas and electric arc influence each other when trip gear being avoided to act, and causes to thread off
Failure；Trip point is located at the two sides of varistor, and the welding of thermal release device and welding quality is visual when easy to produce
It checks, to make the better reliability of the Surge Protector of the embodiment.
Although specifically showing and describing the utility model in conjunction with preferred embodiment, those skilled in the art is answered
This is understood, in the spirit and scope for not departing from the utility model defined by the appended claims, in form and details
On the utility model can be made a variety of changes, be the protection scope of the utility model.
Claims (7)
1. a kind of Surge Protector, it is characterised in that: including shell and be set to the intracorporal first assembly of shell and the second component, institute
State first assembly include the first frame, the first varistor and the first thermal release device, second component include the second frame,
Second varistor, the second thermal release device and discharge tube group；
First frame and the second frame are compressed structure, and the first varistor and the first thermal release device are divided into the first frame
The two sides of frame, the second varistor and the second thermal release device are divided into the two sides of the second frame, and discharge tube group and the second heat are de-
The ipsilateral setting of buckle device；The positive electrode of first varistor draws the first pin electrode, the second pressure by the first thermal release device
The positive electrode of quick resistance draws second pin electrode by the second thermal release device；
First frame and the second frame are stacked, and first varistor and the second varistor is arranged back-to-back,
The electrical connection of the back electrode of the back electrode of first varistor and the second varistor, and third pin electricity is drawn by discharge tube group
Pole.
2. Surge Protector as described in claim 1, it is characterised in that: first frame is accommodated equipped with the first varistor
Slot, the first varistor accommodation groove is for being arranged first varistor, described in the setting of the back side of varistor accommodation groove
The positive electrode of first thermal release device, first varistor passes through the first varistor accommodation groove and the first thermal release device
Between partition and the first thermal release device connection；
Second frame is equipped with the second pressure-sensitive accommodation groove, and the second varistor accommodation groove is for being arranged the second varistor, institute
The back side for stating the second varistor accommodation groove is equipped with discharge tube accommodation groove and the second thermal release device；Second varistor
Positive electrode passes through partition and the connection of the second thermal release device between the second varistor accommodation groove and the second thermal release device；
Second frame is equipped with multiple discharge tube accommodation grooves, and each discharge tube accommodation groove is described for placing a discharge tube
The discharge tube of discharge tube group be it is horizontal positioned, the discharge tube group include a discharge tube or multiple concatenated discharge tubes.
3. Surge Protector as described in claim 1, it is characterised in that: first frame and second frame are equipped with
Guide rail, first thermal release device and second thermal release device include reed electrode, sliding block and pressure spring；The reed
Electrode is connected with the positive electrode of varistor by fusible alloy, and the reed electrode withstands sliding block, and pressure spring is made to keep compression
State；In failure state, fusible alloy fusing, the sliding block is slided under the action of pressure spring along the guide rail.
4. Surge Protector as described in claim 1, it is characterised in that: first frame and the second frame are provided with distant
Believe switching device, the remote signalling switching device and thermal release device linkage.
5. Surge Protector as described in claim 1, it is characterised in that: be provided with slot between adjacent discharge tube accommodation groove
Mouthful, the notch is for being arranged discharge tube first electrode to connect connected discharge tube.
6. Surge Protector as described in claim 1, it is characterised in that: the back electrode of first varistor is from the first frame
The side wall of frame is drawn, and the back electrode of second varistor is drawn from the side wall of the second frame, and the discharge tube group extraction is put
Fulgurite second electrode, the discharge tube second electrode in the side wall of the first frame and the second frame respectively with the first varistor
The back electrode welding of back electrode, the second varistor.
7. Surge Protector as described in claim 1, it is characterised in that: the Surge Protector is welding plate formula surge protection
Device, the ipsilateral extraction of the first pin electrode, second pin electrode and third pin electrode from shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920757264.XU CN209675934U (en) | 2019-05-24 | 2019-05-24 | A kind of Surge Protector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920757264.XU CN209675934U (en) | 2019-05-24 | 2019-05-24 | A kind of Surge Protector |
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| Publication Number | Publication Date |
|---|---|
| CN209675934U true CN209675934U (en) | 2019-11-22 |
Family
ID=68575314
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920757264.XU Active CN209675934U (en) | 2019-05-24 | 2019-05-24 | A kind of Surge Protector |
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| CN (1) | CN209675934U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021129540A1 (en) * | 2019-12-26 | 2021-07-01 | 厦门赛尔特电子有限公司 | Modular surge protector |
| CN113067323A (en) * | 2021-06-01 | 2021-07-02 | 菲尼克斯亚太电气（南京）有限公司 | Surge protector |
| CN113130223A (en) * | 2021-03-01 | 2021-07-16 | 重庆先进光电显示技术研究院 | Mechanical switching equipment and anti-surge circuit |
-
2019
- 2019-05-24 CN CN201920757264.XU patent/CN209675934U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021129540A1 (en) * | 2019-12-26 | 2021-07-01 | 厦门赛尔特电子有限公司 | Modular surge protector |
| EP4020733A4 (en) * | 2019-12-26 | 2022-11-02 | Xiamen Set Electronics Co., Ltd | Modular surge protector |
| CN113130223A (en) * | 2021-03-01 | 2021-07-16 | 重庆先进光电显示技术研究院 | Mechanical switching equipment and anti-surge circuit |
| CN113130223B (en) * | 2021-03-01 | 2022-11-25 | 重庆先进光电显示技术研究院 | Mechanical switching equipment and anti-surge circuit |
| CN113067323A (en) * | 2021-06-01 | 2021-07-02 | 菲尼克斯亚太电气（南京）有限公司 | Surge protector |
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