CN201860100U - Surge protector for high definition monitoring camera - Google Patents
Surge protector for high definition monitoring camera Download PDFInfo
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- CN201860100U CN201860100U CN2010206055753U CN201020605575U CN201860100U CN 201860100 U CN201860100 U CN 201860100U CN 2010206055753 U CN2010206055753 U CN 2010206055753U CN 201020605575 U CN201020605575 U CN 201020605575U CN 201860100 U CN201860100 U CN 201860100U
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Abstract
The utility model relates to a surge protector for a high definition monitoring camera, comprising a power protection device and a signal protection device which are mutually connected, wherein the power supply protection device comprises a power discharge tube, a varistor and a diode; one end of the power discharge tube is connected with the varistor and the diode, and the other end of the varistor is connected with a first light-emitting diode and an electric fuse which are connected in series with each other; the other ends of the first light-emitting diode and the electric fuse are connected with a power protection resistor, and the other end of the power protection resistor is connected with a second light-emitting diode; and the other end of the second light-emitting diode is connected with on end of the power discharge tube through the diode.
Description
Technical field
The utility model relates to a kind of Surge Protector, relates in particular to a kind of Surge Protector that is used for the high definition monitoring camera, specifically is applicable to the normal use of monitoring camera under induction lightening stream, overvoltage and voltage big ups and downs situation.
Background technology
At present, common monitoring camera is to form by power supply, video and control signal three parts, in model change speed very fast today, novel monitoring camera, video and control integrate, by RJ45 wherein two passages realize original functions, power unit is constant, and is convenient when wiring is installed thus.But common monitoring camera only can be realized the purpose of normal monitoring, when in thundery sky or electric power system instability, the phenomenon that big electric current intrusion or voltage fluctuation will occur, thereby can damage power supply and video, and make video pictures fuzzy, have a strong impact on monitoring effect.
The Chinese patent Granted publication number is CN201413990Y, Granted publication day is that the utility model patent on February 24th, 2010 discloses a kind of multi-functional Surge Protector, comprise that a surge suppresses module, described surge suppresses module and introduces a control signal input module, and described surge suppresses module and draws a control signal output module; Described surge suppresses module and introduces a video signal input module, and described surge suppresses module and draws a vision signal output module; Described surge suppresses module and introduces a Power Entry Module, and described surge suppresses module and draws a power supply output module; Described surge suppresses module and draws a ground connection output module.Though this utility model can be protected monitoring camera to a certain extent by a Surge Protector, its structure is too complicated, and production cost is higher.
Summary of the invention
The purpose of this utility model be overcome exist in the prior art can not under induction lightening stream, overvoltage and voltage big ups and downs situation, protect monitoring camera; structure is too complicated; defective that production cost is higher and problem; provide a kind of and can under induction lightening stream, overvoltage and voltage big ups and downs situation, protect monitoring camera; the Surge Protector that is used for the high definition monitoring camera relatively simple for structure, that production cost is lower.
For realizing above purpose, technical solution of the present utility model is: a kind of Surge Protector that is used for the high definition monitoring camera, this Surge Protector comprise interconnective apparatus for protecting power supply and signal protection device; Described apparatus for protecting power supply comprises power supply discharge tube, piezo-resistance and diode; one end of power supply discharge tube is connected with piezo-resistance, diode; the other end of piezo-resistance is connected with light-emitting diode, an electric fuse parallel with one another; the other end of light-emitting diode, electric fuse is connected with power protection resistance; the other end of power protection resistance is connected with No. two light-emitting diodes, and the other end of No. two light-emitting diodes is connected with an end of power supply discharge tube by diode.
Described signal protection device comprises signal discharge tube, No. two signal discharge tubes and signal protection chip; one end of described signal protection chip is connected with an end of a signal discharge tube, is connected with the other end of a signal discharge tube, is connected with an end of No. two signal discharge tubes, is connected with the other end of No. two signal discharge tubes by No. four resistance by No. three resistance by No. two resistance by a resistance, and a signal discharge tube and No. two signal discharge tubes interconnect ground connection.
Compared with prior art, the beneficial effects of the utility model are:
1; because a kind of Surge Protector that is used for the high definition monitoring camera of the utility model comprises interconnective apparatus for protecting power supply and signal protection device; described apparatus for protecting power supply is by the power supply discharge tube; the common protection of power supply being carried out common mode and differential mode that cooperates of piezo-resistance and diode; thereby guarantee the normal use of Surge Protector power supply; simultaneously can carry out signal prompt by light-emitting diode; described signal protection device is by a signal discharge tube; the design of No. two signal discharge tubes and signal protection chip realizes the divided current to signalling; especially the control and the video section of camera are realized lightning protection; allomeric function is complete; can guarantee to flow at induction lightening; protect monitoring camera under the situation of overvoltage and voltage big ups and downs; and it is simple in structure; be convenient to buy and assembling, production cost is lower.Therefore the utility model not only can be protected monitoring camera under induction lightening stream, overvoltage and voltage big ups and downs situation, and relatively simple for structure, and production cost is lower.
Description of drawings
Fig. 1 is the structural representation of apparatus for protecting power supply in the utility model.
Fig. 2 is the structural representation of signal protection device in the utility model.
Among the figure: apparatus for protecting power supply 1, signal protection device 2, power supply discharge tube 3; piezo-resistance 4,5, numbers light-emitting diodes 6 of diode; electric fuse 7,8, No. two light-emitting diodes 9 of power protection resistance; 10, No. two signal discharge tubes 11 of a signal discharge tube, signal protection chip 12; a resistance 13; 15, No. four resistance 16 of 14, No. three resistance of No. two resistance.
Embodiment
Below in conjunction with description of drawings and embodiment the utility model is described in further detail
Referring to figure 1 – Fig. 2, a kind of Surge Protector that is used for the high definition monitoring camera, this Surge Protector comprise interconnective apparatus for protecting power supply 1 and signal protection device 2; The utility model optimization power supply protective device 1 comprises power supply discharge tube 3, piezo-resistance 4 and diode 5; one end of power supply discharge tube 3 is connected with piezo-resistance 4, diode 5; the other end of piezo-resistance 4 is connected with a light-emitting diode 6, electric fuse 7 parallel with one another; the other end of light-emitting diode 6, electric fuse 7 is connected with power protection resistance 8; the other end of power protection resistance 8 is connected with No. two light-emitting diodes 9, and the other end of No. two light-emitting diodes 9 is connected with an end of power supply discharge tube 3 by diode 5.This design not only can realize the common protection of common mode and differential mode to power supply under the situation of induction lightening stream, overvoltage and voltage big ups and downs, and can carry out the signal caution by two light-emitting diodes, and is multiple functional, simple in structure.
Preferred signals protective device 2 comprises signal discharge tube 10, No. two signal discharge tubes 11 and signal protection chip 12; one end of described signal protection chip 12 is connected with an end of a signal discharge tube 10, is connected with the other end of a signal discharge tube 10, is connected with an end of No. two signal discharge tubes 11, is connected with the other end of No. two signal discharge tubes 11 by No. four resistance 16 by No. three resistance 15 by No. two resistance 14 by a resistance 13, and a signal discharge tube 10 and No. two signal discharge tubes 11 interconnect ground connection.This design can realize the divided current to signalling, especially the control of camera and video section is realized lightning protection, and not only protectiveness is stronger, and simple in structure, production cost is lower.
Therefore the utility model not only can be protected monitoring camera under induction lightening stream, overvoltage and voltage big ups and downs situation, and relatively simple for structure, and production cost is lower.
The above only is a better embodiment of the present utility model; protection range of the present utility model does not exceed with above-mentioned execution mode; as long as the equivalence that those of ordinary skills do according to the utility model institute disclosure is modified or changed, all should include in the protection range of putting down in writing in claims.
Claims (2)
1. Surge Protector that is used for the high definition monitoring camera; this Surge Protector comprises interconnective apparatus for protecting power supply (1) and signal protection device (2); it is characterized in that: described apparatus for protecting power supply (1) comprises power supply discharge tube (3); piezo-resistance (4) and diode (5); one end of power supply discharge tube (3) and piezo-resistance (4); diode (5) is connected; the other end of piezo-resistance (4) and a light-emitting diode (6) parallel with one another; electric fuse (7) is connected; a light-emitting diode (6); the other end of electric fuse (7) is connected with power protection resistance (8); the other end of power protection resistance (8) is connected with No. two light-emitting diodes (9), and the other end of No. two light-emitting diodes (9) is connected by the end of diode (5) with power supply discharge tube (3).
2. a kind of Surge Protector that is used for the high definition monitoring camera according to claim 1; it is characterized in that: described signal protection device (2) comprises a signal discharge tube (10); No. two signal discharge tubes (11) and signal protection chip (12); one end of described signal protection chip (12) is connected by the end of a resistance (13) with a signal discharge tube (10); be connected by the other end of No. two resistance (14) with a signal discharge tube (10); be connected by the end of No. three resistance (15) with No. two signal discharge tubes (11); be connected by the other end of No. four resistance (16), and a signal discharge tube (10) interconnects ground connection with No. two signal discharge tubes (11) with No. two signal discharge tubes (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206055753U CN201860100U (en) | 2010-11-15 | 2010-11-15 | Surge protector for high definition monitoring camera |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206055753U CN201860100U (en) | 2010-11-15 | 2010-11-15 | Surge protector for high definition monitoring camera |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201860100U true CN201860100U (en) | 2011-06-08 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010206055753U Expired - Fee Related CN201860100U (en) | 2010-11-15 | 2010-11-15 | Surge protector for high definition monitoring camera |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201860100U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103795045A (en) * | 2012-10-31 | 2014-05-14 | 华为技术有限公司 | Protective device |
| CN106849046A (en) * | 2017-04-17 | 2017-06-13 | 四川中光防雷科技股份有限公司 | A kind of power source surge protector |
-
2010
- 2010-11-15 CN CN2010206055753U patent/CN201860100U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103795045A (en) * | 2012-10-31 | 2014-05-14 | 华为技术有限公司 | Protective device |
| CN103795045B (en) * | 2012-10-31 | 2017-08-18 | 华为技术有限公司 | Protection device |
| CN106849046A (en) * | 2017-04-17 | 2017-06-13 | 四川中光防雷科技股份有限公司 | A kind of power source surge protector |
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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: 20110608 Termination date: 20161115 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |