CN106711985A - Circuit board used for preventing surge of signals - Google Patents
Circuit board used for preventing surge of signals Download PDFInfo
- Publication number
- CN106711985A CN106711985A CN201611210415.7A CN201611210415A CN106711985A CN 106711985 A CN106711985 A CN 106711985A CN 201611210415 A CN201611210415 A CN 201611210415A CN 106711985 A CN106711985 A CN 106711985A
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- CN
- China
- Prior art keywords
- signal
- circuit
- surge
- pin
- 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.)
- Pending
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Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H9/00—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection
- H02H9/04—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection responsive to excess voltage
- H02H9/06—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection responsive to excess voltage using spark-gap arresters
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H9/00—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection
- H02H9/04—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection responsive to excess voltage
- H02H9/045—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection responsive to excess voltage adapted to a particular application and not provided for elsewhere
- H02H9/047—Free-wheeling circuits
Landscapes
- Emergency Protection Circuit Devices (AREA)
Abstract
The invention relates to a circuit board used for preventing surge of signals, and belongs to the technical field of surge protection. The technical scheme is that the circuit board used for preventing surge of signals comprises an anti-surge circuit for differential pair signals and an anti-surge circuit for common signals, and both the anti-surge circuit for differential pair signals and the anti-surge circuit for common signals are composed of an input connector, a gas discharge tube, a bidirectional TVS, a grounding hole and an output connector. The beneficial effects are that the circuit board used for preventing surge of signals can discharge internal facility shunt current caused by lightning strokes and other surges and induced surge current to the ground, so that the safety of back-stage equipment is protected; and the cost is low.
Description
Technical field
The present invention relates to surge protection technique field, more particularly to a kind of circuit board for signal Anti-surging.
Background technology
Lightning Disaster is one of natural calamity of most serious, whole world casualties, wealth every year caused by Lightning Disaster
Produce loss countless.With electronics, the extensive application of the integrated equipment of microelectronics, lightning surge and LEMP institute
The damage of the system and equipment that cause is more and more.Therefore, building and electronic information the Lightning Protection are solved as early as possible
Problem seems particularly significant.Surge and instantaneous overvoltage, the mistake released on circuit on surge protective device limiting circuitry is installed
Electric current turns into one of important step of Modern Lightning Protection Technology.
Basic skills is to use equipotential bonding, including is directly connected to and is indirectly connected with by SPD, makes metallic object, equipment
Circuit and greatly one conditional equipotential body of formation, will be because of the inner facility shunting and sensing be struck by lightning and other surges cause
Lightning current or surge current release into the earth so that the safety of protection equipment.
The content of the invention
In order to the surge current for realizing the inner facility shunting and sensing that will cause by thunderbolt and other surges is released into big
Ground, so as to protect the safety of rear class equipment, the present invention provides a kind of circuit board for signal Anti-surging, and technical scheme is as follows：
A kind of circuit board for signal Anti-surging, including differential pair signal anti-surge circuit and the wave resistance of normal signal
Circuit is gushed, is made up of input connector, gas-discharge tube, two-way TVS, ground hole and out connector respectively.
Further, the anti-surge circuit of the differential pair signal is 4 tunnels.
Further, the anti-surge circuit of differential pair signal includes described in every road：Two pins difference of input connector
Connect the two lines road of the differential pair signal；Three pole gas-discharge tubes be serially connected in the differential pair signal two lines road it
Between, the 3rd pole ground connection；Two-way TVS is serially connected in one of the differential pair signal between circuit and ground；Two of out connector
Pin is connected on the two lines road of the differential pair signal.
Further, the anti-surge circuit of the normal signal is 4 tunnels.
Further, the anti-surge circuit of normal signal includes described in every road：One pin of input connector is connected to
On the circuit of the normal signal；The two poles of the earth gas-discharge tube is serially connected between the circuit of the normal signal and ground；Two-way TVS strings
It is connected between the circuit of the normal signal and ground；One pin of out connector is connected to the circuit of the normal signal
On.
Further, the ground hole is metallic ground hole, has 4.
Further, signal realizes the connection with the earth by metallic ground hole.
The beneficial effects of the invention are as follows：
Circuit board for signal Anti-surging of the present invention will can set because of the inside that thunderbolt and other surges cause
The surge current for applying shunting and sensing is released into the earth, protects the safety of rear class equipment；And it is with low cost.
Brief description of the drawings
Fig. 1 is the anti-surge circuit figure of differential pair signal in the present invention；
Fig. 2 is the anti-surge circuit figure of normal signal in the present invention；
Fig. 3 is metallic ground hole schematic diagram in the present invention；
Fig. 4 is the anti-surge circuit figure of 1 tunnel differential pair signal in the present invention；
Fig. 5 is the anti-surge circuit figure of 1 road normal signal in the present invention.
Specific embodiment
1-3 is described in further detail to specific embodiment of the invention below in conjunction with the accompanying drawings.Following examples are used for
The present invention is illustrated, but is not limited to the scope of the present invention.
Accompanying drawing 1 is the anti-surge circuit of differential pair signal.By input connector, three pole gas-discharge tubes, two-way TVS, connect
Ground hole and out connector composition.
1 pin of described input connector J1,1 pin of the pole gas-discharge tube W1 of connection three, connects the 1 of two-way TVS D1
Pin, 8 pin of connection out connector J2；2 pin of described input connector J1,3 pin of the pole gas-discharge tube W1 of connection three, even
Connect 1 pin of two-way TVS D2,7 pin of connection out connector J2；The 2 pin connection the earth of the three pole gas-discharge tube W1；Institute
State the 2 pin connection the earth of two-way TVS D1 and D2.3 pin of described input connector J1, the 1 of the pole gas-discharge tube W2 of connection three
Pin, connects 1 pin of two-way TVS D3,6 pin of connection out connector J2；4 pin of described input connector J1, connect three poles
3 pin of gas-discharge tube W2, connect 1 pin of two-way TVS D4,5 pin of connection out connector J2；Three pole gas discharge
The 2 pin connection the earth of pipe W2；The 2 pin connection the earth of the two-way TVS D3 and D4.5 pin of described input connector J1, even
1 pin of three pole gas-discharge tube W3 is connect, 1 pin of two-way TVS D5,4 pin of connection out connector J2 is connected；Described input
6 pin of connector J1,3 pin of the pole gas-discharge tube W3 of connection three connect 1 pin of two-way TVS D6, connection out connector J2
3 pin；The 2 pin connection the earth of the three pole gas-discharge tube W3；The 2 pin connection the earth of the two-way TVS D5 and D6.It is described
Input connector J1 7 pin, 1 pin of the pole gas-discharge tube W4 of connection three connects 1 pin of two-way TVS D7, and connection output connects
Connect 2 pin of device J2；8 pin of described input connector J1,3 pin of the pole gas-discharge tube W4 of connection three, connect two-way TVS D8
1 pin, 1 pin of connection out connector J2；The 2 pin connection the earth of the three pole gas-discharge tube W4；The two-way TVS D7
2 pin with D8 connect the earth.
Accompanying drawing 2 is the anti-surge circuit of normal signal.By input connector, the two poles of the earth gas-discharge tube, two-way TVS, ground connection
Hole and out connector are constituted.
1 pin of described input connector J3,1 pin of connection the two poles of the earth gas-discharge tube W5, connects the 1 of two-way TVS D9
Pin, 4 pin of connection out connector J4；The 2 pin connection the earth of the two poles of the earth gas-discharge tube W5；The 2 of the two-way TVS D9
Pin connection the earth.2 pin of described input connector J3,1 pin of connection the two poles of the earth gas-discharge tube W6, connect two-way TVS D10
1 pin, 3 pin of connection out connector J4；The 2 pin connection the earth of the two poles of the earth gas-discharge tube W6；The two-way TVS D10
2 pin connection the earth.3 pin of described input connector J3,1 pin of connection the two poles of the earth gas-discharge tube W7, connect two-way TVS
1 pin of D11,2 pin of connection out connector J4；The 2 pin connection the earth of the two poles of the earth gas-discharge tube W7；The two-way TVS
The 2 pin connection the earth of D11.4 pin of described input connector J3,1 pin of connection the two poles of the earth gas-discharge tube W8, connect two-way
1 pin of TVS D12,1 pin of connection out connector J4；The 2 pin connection the earth of the two poles of the earth gas-discharge tube W8；It is described two-way
The 2 pin connection the earth of TVS D12.
Accompanying drawing 3 is the ground hole, and it is metallic ground hole that ground connection is empty, has 4, respectively M4-1, M4-2, M4-3, M4-
4, signal realizes the connection with the earth by metallic ground hole.
The above, the only present invention preferably specific embodiment, but protection scope of the present invention is not limited thereto,
Any one skilled in the art in the technical scope of present disclosure, technology according to the present invention scheme and its
Inventive concept is subject to equivalent or change, should all be included within the scope of the present invention.
Claims (7)
1. a kind of circuit board for signal Anti-surging, it is characterised in that anti-surge circuit including differential pair signal and common
The anti-surge circuit of signal, is made up of input connector, gas-discharge tube, two-way TVS, ground hole and out connector respectively.
2. the circuit board of signal Anti-surging is used for as claimed in claim 1, it is characterised in that the wave resistance of the differential pair signal
Circuit is gushed for 4 tunnels.
3. the circuit board of signal Anti-surging is used for as claimed in claim 1 or 2, it is characterised in that differential pair letter described in per road
Number anti-surge circuit include：Two pins of input connector connect the two lines road of the differential pair signal respectively；Three poles
Gas-discharge tube is serially connected between the two lines road of the differential pair signal, the 3rd pole ground connection；Two-way TVS is serially connected in the difference
To one of signal between circuit and ground；Two pins of out connector are connected to the two lines of the differential pair signal
Lu Shang.
4. the circuit board of signal Anti-surging is used for as claimed in claim 1, it is characterised in that the Anti-surging of the normal signal
Circuit is 4 tunnels.
5. the circuit board for signal Anti-surging as described in claim 1 or 4, it is characterised in that normal signal described in per road
Anti-surge circuit include：One pin of input connector is connected on the circuit of the normal signal；The two poles of the earth gas discharge
Pipe is serially connected between the circuit of the normal signal and ground；Two-way TVS is serially connected between the circuit of the normal signal and ground；It is defeated
A pin for going out connector is connected on the circuit of the normal signal.
6. the circuit board of signal Anti-surging is used for as claimed in claim 1, it is characterised in that the ground hole is metallic ground
Hole, has 4.
7. the circuit board of signal Anti-surging is used for as claimed in claim 1, it is characterised in that signal passes through metallic ground hole reality
Now with the connection of the earth.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611210415.7A CN106711985A (en) | 2016-12-24 | 2016-12-24 | Circuit board used for preventing surge of signals |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611210415.7A CN106711985A (en) | 2016-12-24 | 2016-12-24 | Circuit board used for preventing surge of signals |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106711985A true CN106711985A (en) | 2017-05-24 |
Family
ID=58903170
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611210415.7A Pending CN106711985A (en) | 2016-12-24 | 2016-12-24 | Circuit board used for preventing surge of signals |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106711985A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111030069A (en) * | 2019-12-06 | 2020-04-17 | 北京京航计算通讯研究所 | Radio frequency front end electromagnetic pulse protection method |
| CN111049120A (en) * | 2019-12-06 | 2020-04-21 | 北京京航计算通讯研究所 | Radio frequency front end electromagnetic pulse protection module |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202121317U (en) * | 2011-06-20 | 2012-01-18 | 深圳市安信技术有限公司 | Lightning protection device having overvoltage and overcurrent protection functions |
| CN203645317U (en) * | 2013-12-18 | 2014-06-11 | 重庆微标科技有限公司 | Anti-thunder module and anti-thunder box |
| CN203707768U (en) * | 2013-12-19 | 2014-07-09 | 北京天源科创风电技术有限责任公司 | Incremental signal protection circuit, and rotary encoder, inverter and fan to which circuit is applied |
| CN204441882U (en) * | 2015-03-31 | 2015-07-01 | 天津市兆瑞测控技术有限公司 | A kind of control circuit of dimension measuring instrument |
| CN105119260A (en) * | 2015-07-31 | 2015-12-02 | 杜建国 | Two-wire system channel lightning protection apparatus circuit structure |
| CN205565722U (en) * | 2016-04-19 | 2016-09-07 | 四川莱思特电子技术有限公司 | Ethernet express network surge protector and surge protection device |
| CN106229961A (en) * | 2016-08-16 | 2016-12-14 | 凌云光技术集团有限责任公司 | Network surge protection circuit |
-
2016
- 2016-12-24 CN CN201611210415.7A patent/CN106711985A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202121317U (en) * | 2011-06-20 | 2012-01-18 | 深圳市安信技术有限公司 | Lightning protection device having overvoltage and overcurrent protection functions |
| CN203645317U (en) * | 2013-12-18 | 2014-06-11 | 重庆微标科技有限公司 | Anti-thunder module and anti-thunder box |
| CN203707768U (en) * | 2013-12-19 | 2014-07-09 | 北京天源科创风电技术有限责任公司 | Incremental signal protection circuit, and rotary encoder, inverter and fan to which circuit is applied |
| CN204441882U (en) * | 2015-03-31 | 2015-07-01 | 天津市兆瑞测控技术有限公司 | A kind of control circuit of dimension measuring instrument |
| CN105119260A (en) * | 2015-07-31 | 2015-12-02 | 杜建国 | Two-wire system channel lightning protection apparatus circuit structure |
| CN205565722U (en) * | 2016-04-19 | 2016-09-07 | 四川莱思特电子技术有限公司 | Ethernet express network surge protector and surge protection device |
| CN106229961A (en) * | 2016-08-16 | 2016-12-14 | 凌云光技术集团有限责任公司 | Network surge protection circuit |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111030069A (en) * | 2019-12-06 | 2020-04-17 | 北京京航计算通讯研究所 | Radio frequency front end electromagnetic pulse protection method |
| CN111049120A (en) * | 2019-12-06 | 2020-04-21 | 北京京航计算通讯研究所 | Radio frequency front end electromagnetic pulse protection module |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170524 |
|
| RJ01 | Rejection of invention patent application after publication |