CN204190379U - A kind of Railway Electric equipment lightning-protection system - Google Patents
A kind of Railway Electric equipment lightning-protection system Download PDFInfo
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- CN204190379U CN204190379U CN201420700802.9U CN201420700802U CN204190379U CN 204190379 U CN204190379 U CN 204190379U CN 201420700802 U CN201420700802 U CN 201420700802U CN 204190379 U CN204190379 U CN 204190379U
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Abstract
The utility model belongs to anti-thunder technical field, particularly relate to a kind of Railway Electric equipment lightning-protection system, comprise main lightning-protection module, one-level lightning-protection module, secondary lightning-protection module, described main lightning-protection module comprises protected equipment U1, inductance L 1, resistance R8, electric capacity C3, electric capacity C2, interface J4, interface J5, described one-level lightning-protection module comprises anti-thunder tube D1, anti-thunder tube D2, anti-thunder tube D3, anti-thunder tube D4, anti-thunder tube D5, electric capacity C1, resistance R1, light-emitting diode D8, described secondary lightning-protection module comprises discharge tube J3, interface J2, resistance R9, resistance R2, slide rheostat R3, electric capacity C4, light-emitting diode D7, light-emitting diode D10, diode D6, diode D9.
Description
Technical field
The utility model belongs to anti-thunder technical field, particularly relates to a kind of Railway Electric equipment lightning-protection system.
Background technology
Along with the fast development of China Express Railway, require also more and more higher to various electric equipment stability, the loss that Lightning Disaster causes also presents more and more serious trend.The particularly development of electronic technology, reliability, the security requirement of electronic product are more and more higher, and oneself is widely used preventing the lightning protection device in thunderbolt or surge for the security protection of electronic product, particularly electronic product.Prior art uses the non-linear elements such as piezo-resistance, gas discharge tube, gas gap, transient diode to form lightning protection circuit mostly; electronic equipment is protected; ordinary circumstance is; vertical cross-protection to be carried out to a pair power circuit or signal circuit, need multiple above-mentioned non-linear element to carry out the combination of vertical and horizontal.Due to characteristic and the residual voltage different sizes of various non-linear element; the electronic equipment of more corresponding sensitivities, needs to be combined into multistage protection circuit with the use of different non-linear element, just can play the protective effect to electronic equipment; the nonlinear device used is many, complex circuit, and lightning protection effect is bad.Particularly to railway track circuit protection, often there is track circuit equipment to be occurred by the situation of broken by lightning, harmful effect is caused to the normal operation of railway.
Summary of the invention
The utility model provides a kind of Railway Electric equipment lightning-protection system, and to solve, use nonlinear device current in above-mentioned background technology is many, complex circuit, the problems such as lightning protection effect is bad.
The technical problem that the utility model solves realizes by the following technical solutions: the utility model provides a kind of Railway Electric equipment lightning-protection system, it is characterized in that: comprise main lightning-protection module, one-level lightning-protection module, secondary lightning-protection module, described main lightning-protection module comprises protected equipment U1, inductance L 1, resistance R8, electric capacity C3, electric capacity C2, interface J4, interface J5, the pin 1 of described protected equipment U1 connects one end of inductance L 2, the pin 1 of its pin 3 connection interface J4, the pin 1 of its pin 4 connection interface J5, its pin 7 connects one end of inductance L 1, the other end ground connection of the other end connection interface J5 of described interface J4, one end of the other end connecting resistance R8 of described inductance L 1, one end of electric capacity C3, the other end of another termination capacitor C3 of described resistance R8, one end of another termination capacitor C2 of described inductance L 2, described one-level lightning-protection module comprises anti-thunder tube D1, anti-thunder tube D2, anti-thunder tube D3, anti-thunder tube D4, anti-thunder tube D5, electric capacity C1, resistance R1, the anode of light-emitting diode D8, described anti-thunder tube D1 takes over control the negative electrode of detonator D2, the negative electrode of anti-thunder tube D5, one end of electric capacity C1, its negative electrode takes over control the negative electrode of detonator D3, the negative electrode of anti-thunder tube D4, the anode of light-emitting diode D8, the anode of described anti-thunder tube D2 takes over control the anode of detonator D5, the anode of anti-thunder tube D3, the anode of anti-thunder tube D4, one end of resistance R1, the pin 6 of chip U1 and all ground connection, the other end economize on electricity of described resistance R1 holds the other end of C1 and the other end of all connecting resistance C3, the other end of resistance R8, the negative electrode of described light-emitting diode D8 connects the other end of electric capacity C2, and described secondary lightning-protection module comprises discharge tube J3, interface J2, resistance R9, resistance R2, slide rheostat R3, electric capacity C4, light-emitting diode D7, light-emitting diode D10, diode D6, the pin 1 of diode D9, described interface J2 connects the anode of diode D6, the negative electrode of light-emitting diode D7, one end of its pin 2 connecting resistance R9, the pin 1 of another termination discharge tube J3 of described resistance R9, the pin 2 of described discharge tube J3 connects one end of fuse F1, the pin 1 of slide rheostat R3 and pin 3, one end of the pin 2 connecting resistance R2 of described slide rheostat R3, the anode of light-emitting diode D10, the negative electrode of the other end joint diode D6 of described resistance R2, the anode of light-emitting diode D7, the negative electrode of described light-emitting diode D10 connects the anode of diode D9, one end of electric capacity C4, the negative electrode of another terminating diode D9 of described electric capacity C4, the other end of fuse F1 and all connect the pin 5 of chip U1.
Described anti-thunder tube D3 is identical with the model of anti-thunder tube D5, all selects TED485 anti-thunder tube.
Described anti-thunder tube D1 is identical with the model of anti-thunder tube D2, anti-thunder tube D4, all selects TVS anti-thunder tube.
The beneficial effects of the utility model are:
Lightning-protection module only need be connected on the interface of protected equipment U1 by 1 this patent; do not affect centralized automatic meter-reading terminal called and load-carrying ability; effectively improve the ability of the anti-induction thunder of terminal, its lightning protection effect is good, ensures that terminal is at thunderstorm season safe and stable operation.
2 this patents carry out lightning-protection system lightning protection to railway track circuit equipment, simplifies lightning protection circuit, is more conducive to lightning protection centralized management.
Multiple anti-thunder tubes of 3 this patents use same earth point to be connected to the ground and connect, and have positive effect on the usage quantity and ground wire reducing ground wire to aspects such as the impacts of other line electricity magnetic disturbance.
The nonlinear device that 4 this patents use is few, circuit is fairly simple, easy installing/dismounting, and lightning protection effect is good, can use on a large scale.
The design of the fuse of 5 this patents, when generation thunderstorm hour, in lightning-protection module, electric current is comparatively large, and fuse then allows big current process, but when temperature reaches certain predetermined value, fuse disconnects, thus avoids catching fire.
Accompanying drawing explanation
Fig. 1 is the circuit theory diagrams of main lightning-protection module of the present utility model;
Fig. 2 is the circuit theory diagrams of one-level lightning-protection module of the present utility model;
Fig. 3 is the circuit theory diagrams of secondary lightning-protection module of the present utility model.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described further:
Embodiment:
The present embodiment comprises: main lightning-protection module (Fig. 1), one-level lightning-protection module (Fig. 2), one-level lightning-protection module (Fig. 3).
In Fig. 1; main lightning-protection module comprises protected equipment U1, inductance L 1, resistance R8, electric capacity C3, electric capacity C2, interface J4, interface J5; the pin 1 of protected equipment U1 connects one end of inductance L 2; the pin 1 of its pin 3 connection interface J4; the pin 1 of its pin 4 connection interface J5; its pin 7 connects one end of inductance L 1; the other end ground connection of the other end connection interface J5 of interface J4; one end of other end connecting resistance R8 of inductance L 1, one end of electric capacity C3; the other end of another termination capacitor C3 of resistance R8, one end of another termination capacitor C2 of inductance L 2.
In Fig. 2, one-level lightning-protection module comprises anti-thunder tube D1, anti-thunder tube D2, anti-thunder tube D3, anti-thunder tube D4, anti-thunder tube D5, electric capacity C1, resistance R1, light-emitting diode D8, the anode of anti-thunder tube D1 takes over control the negative electrode of detonator D2, the negative electrode of anti-thunder tube D5, one end of electric capacity C1, its negative electrode takes over control the negative electrode of detonator D3, the negative electrode of anti-thunder tube D4, the anode of light-emitting diode D8, the anode of anti-thunder tube D2 takes over control the anode of detonator D5, the anode of anti-thunder tube D3, the anode of anti-thunder tube D4, one end of resistance R1, the pin 6 of chip U1 and all ground connection, the other end economize on electricity of resistance R1 holds the other end of C1 and the other end of all connecting resistance C3, the other end of resistance R8, the negative electrode of light-emitting diode D8 connects the other end of electric capacity C2.
In Fig. 3, secondary lightning-protection module comprises discharge tube J3, interface J2, resistance R9, resistance R2, slide rheostat R3, electric capacity C4, light-emitting diode D7, light-emitting diode D10, diode D6, diode D9, the pin 1 of interface J2 connects the anode of diode D6, the negative electrode of light-emitting diode D7, one end of its pin 2 connecting resistance R9, the pin 1 of another termination discharge tube J3 of resistance R9, the pin 2 of discharge tube J3 connects one end of fuse F1, the pin 1 of slide rheostat R3 and pin 3, one end of the pin 2 connecting resistance R2 of slide rheostat R3, the anode of light-emitting diode D10, the negative electrode of the other end joint diode D6 of resistance R2, the anode of light-emitting diode D7, the negative electrode of light-emitting diode D10 connects the anode of diode D9, one end of electric capacity C4, the negative electrode of another terminating diode D9 of electric capacity C4, the other end of fuse F1 and all connect the pin 5 of chip U1.
Utilize the technical solution of the utility model, or those skilled in the art being under the inspiration of technical solutions of the utility model, designing similar technical scheme, and reach above-mentioned technique effect, is all fall into protection range of the present utility model.
Claims (3)
1. a Railway Electric equipment lightning-protection system, is characterized in that: comprise main lightning-protection module, one-level lightning-protection module, secondary lightning-protection module, described main lightning-protection module comprises protected equipment U1, inductance L 1, resistance R8, electric capacity C3, electric capacity C2, interface J4, interface J5, the pin 1 of described protected equipment U1 connects one end of inductance L 2, the pin 1 of its pin 3 connection interface J4, the pin 1 of its pin 4 connection interface J5, its pin 7 connects one end of inductance L 1, the other end ground connection of the other end connection interface J5 of described interface J4, one end of the other end connecting resistance R8 of described inductance L 1, one end of electric capacity C3, the other end of another termination capacitor C3 of described resistance R8, one end of another termination capacitor C2 of described inductance L 2, described one-level lightning-protection module comprises anti-thunder tube D1, anti-thunder tube D2, anti-thunder tube D3, anti-thunder tube D4, anti-thunder tube D5, electric capacity C1, resistance R1, the anode of light-emitting diode D8, described anti-thunder tube D1 takes over control the negative electrode of detonator D2, the negative electrode of anti-thunder tube D5, one end of electric capacity C1, its negative electrode takes over control the negative electrode of detonator D3, the negative electrode of anti-thunder tube D4, the anode of light-emitting diode D8, the anode of described anti-thunder tube D2 takes over control the anode of detonator D5, the anode of anti-thunder tube D3, the anode of anti-thunder tube D4, one end of resistance R1, the pin 6 of chip U1 and all ground connection, the other end economize on electricity of described resistance R1 holds the other end of C1 and the other end of all connecting resistance C3, the other end of resistance R8, the negative electrode of described light-emitting diode D8 connects the other end of electric capacity C2, and described secondary lightning-protection module comprises discharge tube J3, interface J2, resistance R9, resistance R2, slide rheostat R3, electric capacity C4, light-emitting diode D7, light-emitting diode D10, diode D6, the pin 1 of diode D9, described interface J2 connects the anode of diode D6, the negative electrode of light-emitting diode D7, one end of its pin 2 connecting resistance R9, the pin 1 of another termination discharge tube J3 of described resistance R9, the pin 2 of described discharge tube J3 connects one end of fuse F1, the pin 1 of slide rheostat R3 and pin 3, one end of the pin 2 connecting resistance R2 of described slide rheostat R3, the anode of light-emitting diode D10, the negative electrode of the other end joint diode D6 of described resistance R2, the anode of light-emitting diode D7, the negative electrode of described light-emitting diode D10 connects the anode of diode D9, one end of electric capacity C4, the negative electrode of another terminating diode D9 of described electric capacity C4, the other end of fuse F1 and all connect the pin 5 of chip U1.
2. a kind of Railway Electric equipment lightning-protection system according to claim 1, is characterized in that: described anti-thunder tube D3 is identical with the model of anti-thunder tube D5, all selects TED485 anti-thunder tube.
3. a kind of Railway Electric equipment lightning-protection system according to claim 1, is characterized in that: described anti-thunder tube D1 is identical with the model of anti-thunder tube D2, anti-thunder tube D4, all selects TVS anti-thunder tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420700802.9U CN204190379U (en) | 2014-11-20 | 2014-11-20 | A kind of Railway Electric equipment lightning-protection system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420700802.9U CN204190379U (en) | 2014-11-20 | 2014-11-20 | A kind of Railway Electric equipment lightning-protection system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204190379U true CN204190379U (en) | 2015-03-04 |
Family
ID=52622350
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420700802.9U Expired - Fee Related CN204190379U (en) | 2014-11-20 | 2014-11-20 | A kind of Railway Electric equipment lightning-protection system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204190379U (en) |
-
2014
- 2014-11-20 CN CN201420700802.9U patent/CN204190379U/en not_active Expired - Fee Related
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150304 Termination date: 20211120 |