CN201466707U - Signal surge protector - Google Patents
Signal surge protector Download PDFInfo
- Publication number
- CN201466707U CN201466707U CN2009200756691U CN200920075669U CN201466707U CN 201466707 U CN201466707 U CN 201466707U CN 2009200756691 U CN2009200756691 U CN 2009200756691U CN 200920075669 U CN200920075669 U CN 200920075669U CN 201466707 U CN201466707 U CN 201466707U
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- CN
- China
- Prior art keywords
- mobile indicator
- indicator board
- installing rack
- board
- circuit board
- Prior art date
- 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.)
- Expired - Fee Related
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Abstract
The utility model relates to a signal surge protector, in particular to a signal surge protector with an ageing indicating and thermal tripping device. The signal surge protector comprises a circuit board with a discharging circuit, an outer casing, a circuit board mounting frame and a plug pin. In addition, a thermal tripping indicating mechanism is in series connection with the discharging circuit; a transient voltage suppression diode T serves as one part of the thermal tripping indicating mechanism; one lead pin is welded on the circuit board with the discharging circuit; another lead pin is connected onto the circuit board with the discharging circuit sequentially through a metal outer sleeve, a movable indicating board and a flexible conducting wire; and the movable indicating board is placed at different positions before tripping and after tripping under the action of a spring. As the colors of the movable indicating board and an indicating board mounting frame are different, changes of the colors can be seen from a viewing port so as to achieve the purpose of indicating tripping. The signal surge protector has the advantages of simple structure, convenient process and capability of effectively ageing tripping and indicating tripping.
Description
Technical field
The utility model relates to a kind of signal Surge Protector, especially relates to a kind of signal Surge Protector with aging indication and thermal release device, belongs to the device of emergency protective circuit.
Background technology
The effect of signal Surge Protector is: the big electric current of sudden change of signal transmission line is imported the earth, as: grid line, telephone wire, various signal transmssion lines or the like meet with thunderstorm hour, the safety of protection subsequent conditioning circuit.But the signal Surge Protector can be aging gradually along with the increase of service time, the performance degradation of its anti-current break.In the prior art, there is the ZL01258381.2 utility model patent to disclose a kind of siganl thunder-proof device.This patent provides a kind of temperature jump characteristic of lightning protection electric device of can effectively utilizing to indicate the lightning protection device operating state exactly, that is to say: the patented product has the aging effect of index signal lightning protection device.But this utility model patent only has the aging effect of indication, and the effect that does not have heat to thread off, and promptly after this siganl thunder-proof device was aging, aging discharge circuit wherein can work on, thereby the safety of the follow-up entire circuit that this lightning protection device is protected hides some dangers for.
The utility model content
The technical problems to be solved in the utility model is: a kind of signal Surge Protector is provided, and the sort signal Surge Protector also has the effect that heat is threaded off except having aging indicative function.
For solving the problems of the technologies described above; the technical solution adopted in the utility model is: a kind of signal Surge Protector; constitute by the circuit board with discharge circuit, shell, circuit board installing rack and pin; the circuit board that wherein has discharge circuit is installed on the circuit board installing rack; described shell is enclosed within outside the described circuit board installing rack; described pin is welded on the circuit board with discharge circuit, is welded with divider resistance R on the circuit board of discharge circuit having
1, R
2, gas discharge tube G, Transient Suppression Diode T, switching diode D
1, D
2, D
3, D
4With some leads, they constitute a signal surge discharge circuit together, it is characterized in that: described Transient Suppression Diode T is as parts of Re Tuo indicating mechanism 5, an one pin directly is welded on the circuit board with discharge circuit, another pin is connected on the circuit board with discharge circuit by the miscellaneous part of heat dropout indicating mechanism, described hot dropout indicating mechanism is by Transient Suppression Diode T, mobile indicator board installing rack, metal-coating, mobile indicator board, extension spring and flexible conductor are formed, wherein metal-coating is wrapped in the outer surface of described Transient Suppression Diode T, and after another pin welding of Transient Suppression Diode T, insert in the mobile indicator board installing rack, a projection is arranged on metal-coating; Described mobile indicator board is movably arranged on the upper surface of cavity, has the hole of a thin-and-long in the central authorities of mobile indicator board along long side direction, is provided with metal level on the surface of mobile indicator board one end; Described projection stretches in the thin-and-long hole on the mobile indicator board, and welds with low melting point metal material with metal level on the mobile indicator board; Described extension spring is fixed between mobile indicator board and the mobile indicator board installing rack with being in extended state, and the one end is fixed on the mobile indicator board, and the other end is fixed on the mobile indicator board installing rack; Described flexible conductor one end is welded on the metal level of mobile indicator board, and the other end is welded on the circuit board with discharge circuit; The color of described mobile indicator board installing rack and mobile indicator board is inequality; The top of described shell has an observation panel, and the position of this observation panel need be satisfied before dropout can observe mobile indicator board from this observation panel, can observe mobile indicator board installing rack from this observation panel after dropout.
Described mobile indicator board installing rack is installed on the described circuit board installing rack, be positioned at the top of the circuit board with discharge circuit, and on the upper surface of mobile indicator board installing rack, be provided with the twice groove, described mobile indicator board can be inserted in the groove, and can slide along it.
The material of described mobile indicator board is a pcb board.
Described low melting point metal material is a low temperature scolding tin.
The material of described shell, circuit board installing rack and mobile indicator board installing rack is a high-temperature flame-retardant plastic.
The beneficial effects of the utility model are: simple and compact for structure, cheap for manufacturing cost, processing comparatively convenient; The indication of effectively threading off; in addition; the utility model also has the effect that heat is threaded off; promptly after Transient Suppression Diode T melts low melting point metal material owing to aging temperature raises; extension spring is action at once just, and metal-coating and mobile indicator board are broken away from, thereby cuts off aging discharge circuit; make this signal Surge Protector keep out-of-work pass-through state, can not influence the operate as normal of shielded subsequent conditioning circuit.
Description of drawings
Fig. 1 is the electric principle schematic of discharge circuit of the present utility model.
Fig. 2 is an overall structure schematic diagram of the present utility model.
Fig. 3 is the vertical view of view among Fig. 2.
Fig. 4 is the upward view of view among Fig. 2.
Fig. 5 is the front view of Transient Suppression Diode and metal-coating in the utility model.
Fig. 6 is the right view of view among Fig. 3.
Fig. 7 is the stereogram before aging dropout of hot dropout indicating mechanism in the utility model.
Fig. 8 is the stereogram after aging dropout of hot dropout indicating mechanism in the utility model.
Embodiment
Below in conjunction with accompanying drawing preferred embodiment of the present utility model is explained in detail:
As shown in Figure 2, the utility model is a kind of signal Surge Protector, and it is made of the circuit board 1 with discharge circuit, shell 2, circuit board installing rack 3 and pin 4.The circuit board 1 that wherein has discharge circuit is installed on the circuit board installing rack 3, shell 2 is enclosed within outside the circuit board installing rack 3, be provided with an observation panel 21 at the top of shell 2, before this signal Surge Protector is threaded off, can observe the color of mobile indicator board 53 from this observation panel; After dropout, can observe the color of mobile indicator board installing rack 51 from this observation panel.Shell 2 and circuit board installing rack are all made with high-temperature flame-retardant plastic, and pin 4 is welded on the circuit board 1 with discharge circuit, is welded with divider resistance R on the circuit board 1 with discharge circuit
1, R
2, gas discharge tube G, Transient Suppression Diode T, switching diode D
1, D
2, D
3, D
4With some leads, they constitute a signal surge discharge circuit together, the electric principle schematic of this signal surge discharge circuit is as shown in Figure 1. wherein, Transient Suppression Diode T is as parts of Re Tuo indicating mechanism 5, an one pin T1 directly is welded on the circuit board 1 with discharge circuit, another pin T2 is connected on the circuit board 1 with discharge circuit by the miscellaneous part of heat dropout indicating mechanism 5. and described hot dropout indicating mechanism 5 is by Transient Suppression Diode T, mobile indicator board installing rack 51, metal-coating 52, mobile indicator board 53, extension spring 54 and flexible conductor 55 are formed, wherein mobile indicator board installing rack 51 usefulness high-temperature flame-retardant plastics are made, it is installed on the circuit board installing rack 3, be positioned at the top of circuit board 1 with discharge circuit, and on the upper surface of mobile indicator board installing rack 51, be provided with the outer surface that twice groove 511. metal-coatings 52 are wrapped in Transient Suppression Diode T, and after another pin T2 welding of Transient Suppression Diode T, insert in the cavity 51, having a projection 521. to move indicator board 53 usefulness pcb boards on metal-coating 52 makes, it is movably arranged in the groove 511 on the upper surface of mobile indicator board installing rack 51, and can slide at the effect lower edge of extension spring 54 groove 511. have the hole 531 of a thin-and-long in the central authorities of mobile indicator board 53 along long side direction, be provided with metal level 532 on the surface of mobile indicator board 53 1 ends; In the described protruding 521 thin-and-long holes of stretching on the mobile indicator board 53 531, and and mobile indicator board 53 on metal level 532 usefulness eutectic welding solderings connect. extension spring 54 is fixed between mobile indicator board 53 and the mobile indicator board installing rack 51 with being in extended state, the one end is fixed on the mobile indicator board 53, the other end is fixed on the mobile indicator board installing rack 51. and flexible conductor 55 1 ends are welded on the metal level 532 of mobile indicator board 53, and the other end is welded on the circuit board 1 with discharge circuit; The color of mobile indicator board installing rack 51 and mobile indicator board 53 is inequality, and wherein, mobile indicator board installing rack 51 is red, and mobile indicator board 53 is green.
The principle of hot dropout of the present utility model indicating mechanism is: as shown in Figure 2; when signal Surge Protector operate as normal; metal level 532 on a pin T1, the Transient Suppression Diode T of bottom electronic circuit by Transient Suppression Diode 7, metal-coating 52, the mobile indicator board 53 and flexible conductor 55 constitute a loop and carry out operate as normal, and be green mobile indicator board 53 from what the observation panel 21 on the product casing 2 was seen this moment.
After the signal Surge Protector is aging; the surface temperature of Transient Suppression Diode T will raise; because the heat transfer effect of metal-coating 52; the low temperature scolding tin temperature of the metal level 532 of the projection 521 of weld metal overcoat 52 and mobile indicator board 53 is also raise; after reaching uniform temperature; to cause the low temperature melts soldering tin; under the tension of extension spring 54; mobile indicator board 53 is pulled; projection 521 on the metal-coating 52 is broken away from mobile indicator board 53; thereby cut off aging circuit, made the signal Surge Protector be in the pass-through state of not working, guaranteed the work of original signal line.Because mobile indicator board 53 is different with the color of mobile indicator board installing rack 51; and mobile indicator board installing rack 51 does not block owing to having had mobile indicator board 53 after threading off; so the color for mobile indicator board installing rack 51 that the observation panel 21 on shell 2 is seen is promptly red; show the aging dropout of this signal Surge Protector thus, thereby reach aging indicative function.
Claims (5)
1. signal Surge Protector; constitute by the circuit board with discharge circuit (1), shell (2), circuit board installing rack (3) and pin (4); the circuit board (1) that wherein has discharge circuit is installed on the circuit board installing rack (3); described shell (2) is enclosed within outside the described circuit board installing rack (3); described pin (4) is welded on the circuit board (1) with discharge circuit, is welded with divider resistance R having on the circuit board of discharge circuit (1)
1, R
2, gas discharge tube G, Transient Suppression Diode T, switching diode D
1, D
2, D
3, D
4And some leads, they constitute a signal surge discharge circuit together, it is characterized in that: described Transient Suppression Diode T is as parts of Re Tuo indicating mechanism (5), an one pin (T1) directly is welded on the circuit board (1) with discharge circuit, another pin (T2) is connected on the circuit board (1) with discharge circuit by the miscellaneous part of hot dropout indicating mechanism (5), described hot dropout indicating mechanism (5) is by Transient Suppression Diode T, mobile indicator board installing rack (51), metal-coating (52), mobile indicator board (53), extension spring (54) and flexible conductor (55) are formed, wherein metal-coating (52) is wrapped in the outer surface of described Transient Suppression Diode T, and after another pin (T2) welding of Transient Suppression Diode T, insert in the mobile indicator board installing rack (51), a projection (521) is arranged on metal-coating (52); Described mobile indicator board (53) is movably arranged on the upper surface of cavity (51), has the hole (531) of a thin-and-long in the central authorities of mobile indicator board (53) along long side direction, is provided with metal level (532) on the surface of mobile indicator board (53) one ends; Described projection (521) stretches in the thin-and-long hole (531) on the mobile indicator board (53), and welds with low melting point metal material with metal level (532) on the mobile indicator board (53); Described extension spring (54) is fixed between mobile indicator board (53) and the mobile indicator board installing rack (51) with being in extended state, and the one end is fixed on the mobile indicator board (53), and the other end is fixed on the mobile indicator board installing rack (51); Described flexible conductor (55) one ends are welded on the metal level (532) of mobile indicator board (53), and the other end is welded on the circuit board (1) with discharge circuit; The color of described mobile indicator board installing rack (51) and mobile indicator board (53) is inequality; The top of described shell (2) has an observation panel (21), and the position of this observation panel (21) need be satisfied before dropout can observe mobile indicator board (53) from this observation panel, can observe mobile indicator board installing rack (51) from this observation panel after dropout.
2. according to the described a kind of signal Surge Protector of claim 1; it is characterized in that: described mobile indicator board installing rack (51) is installed in the top that described circuit board installing rack (3) is gone up, is positioned at the circuit board (1) with discharge circuit; and on the upper surface of mobile indicator board installing rack (51), be provided with twice groove (511); described mobile indicator board (53) can be inserted in the groove (511), and can slide along it.
3. according to claim 1 or 2 described a kind of signal Surge Protectors, it is characterized in that: the material of described mobile indicator board (53) is a pcb board.
4. according to the described a kind of signal Surge Protector of claim 1, it is characterized in that: described low melting point metal material is a low temperature scolding tin.
5. according to a kind of signal Surge Protector under claim 1 or 2, it is characterized in that: the material of described shell (2), circuit board installing rack (3) and mobile indicator board installing rack (51) is a high-temperature flame-retardant plastic.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200756691U CN201466707U (en) | 2009-07-31 | 2009-07-31 | Signal surge protector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200756691U CN201466707U (en) | 2009-07-31 | 2009-07-31 | Signal surge protector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201466707U true CN201466707U (en) | 2010-05-12 |
Family
ID=42394054
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009200756691U Expired - Fee Related CN201466707U (en) | 2009-07-31 | 2009-07-31 | Signal surge protector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201466707U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101989741A (en) * | 2009-07-31 | 2011-03-23 | 上海联电实业有限公司 | Signal surge protective device |
| CN110112722A (en) * | 2019-06-04 | 2019-08-09 | 安徽华东光电技术研究所有限公司 | Surge suppression modules and preparation method thereof |
-
2009
- 2009-07-31 CN CN2009200756691U patent/CN201466707U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101989741A (en) * | 2009-07-31 | 2011-03-23 | 上海联电实业有限公司 | Signal surge protective device |
| CN101989741B (en) * | 2009-07-31 | 2013-08-21 | 上海联电实业有限公司 | Signal surge protective device |
| CN110112722A (en) * | 2019-06-04 | 2019-08-09 | 安徽华东光电技术研究所有限公司 | Surge suppression modules and preparation method thereof |
| CN110112722B (en) * | 2019-06-04 | 2021-07-27 | 安徽华东光电技术研究所有限公司 | Surge suppression module and manufacturing method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100512 Termination date: 20150731 |
|
| EXPY | Termination of patent right or utility model |