CN209526517U - A kind of lightning protection electric leakage overvoltage protection wiring board - Google Patents
A kind of lightning protection electric leakage overvoltage protection wiring board Download PDFInfo
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- CN209526517U CN209526517U CN201920580925.6U CN201920580925U CN209526517U CN 209526517 U CN209526517 U CN 209526517U CN 201920580925 U CN201920580925 U CN 201920580925U CN 209526517 U CN209526517 U CN 209526517U
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- diode
- divider resistance
- wiring board
- lightning protection
- varistor
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Abstract
The utility model relates to wiring board technology fields, it is related to a kind of lightning protection electric leakage overvoltage protection wiring board, including wiring board, first varistor is installed on the wiring board, second varistor, third varistor, discharge tube, first dropping resistor, second dropping resistor, first LED light, second LED light, it is silicon-controlled, first electrolytic capacitor, second electrolytic capacitor, first diode, second diode, third diode, 4th diode, 5th diode, 6th diode, first divider resistance, second divider resistance, third divider resistance, 4th divider resistance, 5th divider resistance, 6th divider resistance and the 7th divider resistance；It is equipped with lightning protection circuit and electric leakage and overvoltage crowbar by assist side, so that it is collected lightning protection electric leakage three functional unification of overvoltage protection, is made of one piece of wiring board；Lightning protection electric leakage overvoltage protection brings Electrical Safety to user, improves the electrical service life of user；It is mountable on original shell, it is not required to change shell sizes.
Description
Technical field
The utility model relates to wiring board technology field, the overvoltage protection wiring board it particularly relates to which a kind of lightning protection is leaked electricity.
Background technique
Now current lightning protection leakage switch on the market presses defencive function without over-voltage Ge mistake, cannot protect electrical equipment completely,
There are Electrical Safety.Such as: the more plate separation combinations of wiring board, the excessively high assembly technology complicated production low efficiency of cost；Original outer
Shell is widened, and makes troubles to user, to select electronic box to install；It is formed using multiple simple function switch combinations, gives user
Bring installation inconvenient.
Therefore the prior art has the disadvantage in that (1) user in use, is increased not by power grid wrong line voltage
Electrical equipment can be protected.(2) it can power off when encountering lightning voltage, make troubles to users entirely.(3) switch encounters failure
Without instruction.
For the problems in the relevant technologies, currently no effective solution has been proposed.
Utility model content
For the problems in the relevant technologies, the purpose of this utility model is to propose a kind of lightning protection electric leakage overvoltage protection route
Plate, to overcome above-mentioned technical problem present in existing the relevant technologies.
The technical solution of the utility model is achieved in that
A kind of lightning protection electric leakage overvoltage protection wiring board, including wiring board, the wiring board are equipped with lightning protection circuit and electric leakage
And overvoltage crowbar；
The lightning protection circuit includes the first varistor, the second varistor, discharge tube, the first dropping resistor, the second drop
Piezoresistance, the first LED light and the second LED light；Input terminal is in series with the first dropping resistor and the first LED light,
First dropping resistor and the first LED light are connect with one end of the second varistor of the first varistor respectively, institute
The other end for stating the second varistor of the first varistor is connect with one end of discharge tube and the second LED light, described
The other end of discharge tube is connect with ground terminal；The other end of second LED light is in series with first diode, the second drop
Piezoresistance is simultaneously connect with ground terminal；
The electric leakage and overvoltage crowbar include silicon-controlled, the first electrolytic capacitor, the second electrolytic capacitor, the one or two pole
Pipe, the second diode, third diode, the 4th diode, the 5th diode, the 6th diode, the first divider resistance, second point
Piezoresistance, third divider resistance, the 4th divider resistance, the 5th divider resistance, the 6th divider resistance, the 7th divider resistance and third
Varistor；Signal lead-in wire terminal is connect with one end of the second divider resistance, and the other end of second divider resistance is respectively with
The cathode connection of the anode of two electrolytic capacitors, one end of the first divider resistance, silicon-controlled anode and the second diode, described the
The cathode of two electrolytic capacitors is in series with the 5th diode and the 6th diode, and the other end of first divider resistance is in series with
The cathode of three diodes, the 4th diode and third divider resistance, the 6th diode is connect with silicon-controlled cathode, described
Silicon-controlled control electrode respectively with the 4th divider resistance, the anode of third diode, the first divider resistance the other end and the 6th
One end of divider resistance connects, and the other end of the 4th divider resistance is in series with the cathode of the first electrolytic capacitor, and described second
The anode of diode, the anode of the first electrolytic capacitor, third divider resistance one end be in series with the 5th divider resistance and the 6th
Divider resistance is simultaneously connect with input terminal；Third varistor, test leading-out terminal connection are connected between L line entrance and the outlet of L line
There is the 7th divider resistance.
Further, first varistor and the second varistor are 821 varistors, the pressure-sensitive electricity of third
Resistance is 561 varistors.
Further, the discharge tube is LT-BG800L discharge tube.
Further, first LED light is green run indicator, and second LED light is red anti-
Thunder indicating fault.
Further, it is described it is silicon-controlled for 100-8 it is silicon-controlled.
Further, first electrolytic capacitor is 0.22UF/50V electrolytic capacitor, and second electrolytic capacitor is 1UF/
50V electrolytic capacitor.
Further, the first diode is DB3 switching diode, second diode, third diode, the 4th
Diode, the 5th diode and the 6th diode are 4007 diodes.
The utility model has the beneficial effects that
A kind of lightning protection described in the utility model is leaked electricity overvoltage protection wiring board, by assist side be equipped with lightning protection circuit and
Electric leakage and overvoltage crowbar, so that the wiring board has lightning protection electric leakage three functional unification of overvoltage protection, by one piece of route board group
It is closed at without more board groups；Lightning protection electric leakage overvoltage protection brings Electrical Safety to user, improves the electrical service life of user；Original
It is mountable on shell, it is not required to change shell sizes；Producers only need network iron brave good, improve production efficiency.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Needed in attached drawing be briefly described, it should be apparent that, the accompanying drawings in the following description is only the utility model
Some embodiments for those of ordinary skill in the art without creative efforts, can also be according to this
A little attached drawings obtain other attached drawings.
Fig. 1 is the structural schematic diagram of the utility model.
Fig. 2 is the line map of lightning protection circuit in the utility model.
Fig. 3 is the line map of electric leakage and overvoltage crowbar in the utility model.
In figure: 1 wiring board, 2 first varistors, 3 second varistors, 4 third varistors, 5 discharge tubes, 6 first
Dropping resistor, 7 second dropping resistors, 8 first LED lights, 9 second LED lights, 10 silicon-controlled, 11 first electrolysis electricity
Appearance, 12 second electrolytic capacitors, 13 first diodes, 14 second diodes, 15 third diodes, 16 the 4th diodes, 17 the 5th
Diode, 18 the 6th diodes, 19 first divider resistances, 20 second divider resistances, 21 third divider resistances, 22 the 4th partial pressure electricity
Resistance, 23 the 5th divider resistances, 24 the 6th divider resistances, 25 the 7th divider resistances.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art's every other embodiment obtained, all belongs to
In the range of the utility model protection.
As shown in Figure 1-Figure 3, a kind of lightning protection is leaked electricity overvoltage protection wiring board, the wiring board 1 be equipped with lightning protection circuit and
Electric leakage and overvoltage crowbar；
The lightning protection circuit includes the first varistor 2, the second varistor 3, discharge tube 5, the first dropping resistor 6, the
Two dropping resistors 7, the first LED light 8 and the second LED light 9；Input terminal is in series with the first dropping resistor 6 and the first LED
Indicator light 8, first dropping resistor 6 and the first LED light 8 respectively with the second varistor 3 of the first varistor 2
One end connection, the other end of the second varistor 3 of first varistor 2 with discharge tube 5 and the second LED light 9
One end connection, the other end of the discharge tube 5 connect with ground terminal；The other end of second LED light 9 is in series with
First diode 13, the second dropping resistor 7 are simultaneously connect with ground terminal；
The electric leakage and overvoltage crowbar include the silicon-controlled 10, first electrolytic capacitor 11, the second electrolytic capacitor 12, the
One diode 13, the second diode 14, third diode 15, the 4th diode 16, the 5th diode 17, the 6th diode 18,
First divider resistance 19, the second divider resistance 20, third divider resistance 21, the 4th divider resistance 22, the 5th divider resistance 23,
Six divider resistances 24, the 7th divider resistance 25 and third varistor 4；One end of signal lead-in wire terminal and the second divider resistance 20 connects
Connect, the other end of second divider resistance 20 respectively with the anode of the second electrolytic capacitor 12, the first divider resistance 19 one
End, silicon-controlled 10 anode and the cathode of the second diode 14 connect, and the cathode of second electrolytic capacitor 12 is in series with the 5th
Diode 17 and the 6th diode 18, the other end of first divider resistance 19 are in series with third diode 15, the four or two pole
The cathode of pipe 16 and third divider resistance 21, the 6th diode 18 is connect with silicon-controlled 10 cathode, and described silicon-controlled 10
Control electrode respectively with the 4th divider resistance 22, the anode of third diode 15, the first divider resistance 19 the other end and the 6th
One end of divider resistance 24 connects, and the other end of the 4th divider resistance 22 is in series with the cathode of the first electrolytic capacitor 11, institute
State the anode of the second diode 14, the anode of the first electrolytic capacitor 11, third divider resistance 21 one end be in series with the 5th point
Piezoresistance 23 and the 6th divider resistance 24 are simultaneously connect with input terminal；Third varistor is connected between L line entrance and the outlet of L line
4, test leading-out terminal is connected with the 7th divider resistance 25.
In the present embodiment, which integrates lightning protection, electric leakage, three function of over-voltage, is formed, is not necessarily to by one piece of wiring board
More plate separation bring Electrical Safety to user by lightning protection electric leakage overvoltage crowbar, improve the electrical service life of user.
Specifically, first varistor 2 and the second varistor 3 are 821 varistors, the pressure-sensitive electricity of third
Resistance 4 is 561 varistors.
Specifically, the discharge tube 5 is LT-BG800L discharge tube.
Specifically, first LED light 8 is green run indicator, second LED light 9 is red anti-
Thunder indicating fault.
Specifically, described silicon-controlled 10 is silicon-controlled for 100-8.
Specifically, first electrolytic capacitor 11 is 0.22UF/50V electrolytic capacitor, second electrolytic capacitor 12 is
1UF/50V electrolytic capacitor.
Specifically, the first diode 13 be DB3 switching diode, second diode 14, third diode 15,
4th diode 16, the 5th diode 17 and the 6th diode 18 are 4007 diodes.
The working principle of the present embodiment: after lightning protection electric leakage overvoltage protection switch is connected with the mains, green operation instruction on switch
Lamp lights, and protection is started to work, in use by Lightning disturbance when, red indicating light can moment flashing, while lightning protection
The breakdown of 821 varistor moment of part, discharge high pressure is connect by LT-BG800L discharge tube with ground terminal with ground, and discharge is high
Red refers to lamp OFF state after pressure, and overvoltage protection voltage parameter is that 275V-285V refers to when user's line inlet port in use
Misconnection circuit voltage increases switching moments jump in 220V/380V circuit when voltage is higher than overvoltage protection voltage, or in installation process
Lock power-off protects user is not standby not burnt out by overtension, and leak electricity setting parameter, and 30mA is not standby when the electricity consumption of user load end
When Leaked Current of Line to Ground action current is higher than setting current 30mA, or load end line is over the ground, and switch makees power-off protection, can after debugging
It closes a floodgate and uses again.
The overvoltage protection wiring board in conclusion the lightning protection is leaked electricity is equipped with lightning protection circuit and electric leakage and mistake by assist side
Voltage protection circuit is made of one piece of wiring board without more so that the wiring board has lightning protection electric leakage three functional unification of overvoltage protection
Board group is closed；Lightning protection electric leakage overvoltage protection brings Electrical Safety to user, improves the electrical service life of user；It can on original shell
Installation is not required to change shell sizes；Producers only need network iron brave good, improve production efficiency.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Within the spirit and principle of utility model, any modification, equivalent replacement, improvement and so on should be included in the utility model
Protection scope within.
Claims (7)
- The overvoltage protection wiring board 1. a kind of lightning protection is leaked electricity, including wiring board (1), which is characterized in that the wiring board (1) is equipped with Lightning protection circuit and electric leakage and overvoltage crowbar；The lightning protection circuit includes the first varistor (2), the second varistor (3), discharge tube (5), the first dropping resistor (6), the second dropping resistor (7), the first LED light (8) and the second LED light (9)；Input terminal is in series with the first decompression electricity Hinder (6) and the first LED light (8), first dropping resistor (6) and the first LED light (8) respectively with the first pressure-sensitive electricity Hinder one end connection of second varistor (3) of (2), the other end of the second varistor (3) of first varistor (2) It is connect with one end of discharge tube (5) and the second LED light (9), the other end of the discharge tube (5) is connect with ground terminal； The other end of second LED light (9) is in series with first diode (13), the second dropping resistor (7) and connects with ground terminal It connects；The electric leakage and overvoltage crowbar include silicon-controlled (10), the first electrolytic capacitor (11), the second electrolytic capacitor (12), the One diode (13), the second diode (14), third diode (15), the 4th diode (16), the 5th diode (17), the 6th Diode (18), the first divider resistance (19), the second divider resistance (20), third divider resistance (21), the 4th divider resistance (22), the 5th divider resistance (23), the 6th divider resistance (24), the 7th divider resistance (25) and third varistor (4)；Signal Lead-in wire terminal is connect with the one end of the second divider resistance (20), and the other end of second divider resistance (20) is electrolysed with second respectively The anode of capacitor (12), one end of the first divider resistance (19), the anode of silicon-controlled (10) and the cathode of the second diode (14) Connection, the cathode of second electrolytic capacitor (12) are in series with the 5th diode (17) and the 6th diode (18), and described first The other end of divider resistance (19) is in series with third diode (15), the 4th diode (16) and third divider resistance (21), institute The cathode for stating the 6th diode (18) is connect with the cathode of silicon-controlled (10), and the control electrode of silicon-controlled (10) is respectively with the 4th Divider resistance (22), the anode of third diode (15), the other end of the first divider resistance (19) and the 6th divider resistance (24) One end connection, the other end of the 4th divider resistance (22) is in series with the cathode of the first electrolytic capacitor (11), described second The anode of diode (14), the anode of the first electrolytic capacitor (11), third divider resistance (21) one end be in series with the 5th point Piezoresistance (23) and the 6th divider resistance (24) are simultaneously connect with input terminal；It is pressure-sensitive that third is connected between L line entrance and the outlet of L line Resistance (4), test leading-out terminal are connected with the 7th divider resistance (25).
- The overvoltage protection wiring board 2. a kind of lightning protection according to claim 1 is leaked electricity, which is characterized in that the first pressure-sensitive electricity It hinders (2) and the second varistor (3) is 821 varistors, the third varistor (4) is 561 varistors.
- The overvoltage protection wiring board 3. a kind of lightning protection according to claim 1 is leaked electricity, which is characterized in that the discharge tube (5) For LT-BG800L discharge tube.
- The overvoltage protection wiring board 4. a kind of lightning protection according to claim 1 is leaked electricity, which is characterized in that the first LED refers to Show lamp (8) for green run indicator, second LED light (9) is red lightning protection indicating fault.
- The overvoltage protection wiring board 5. a kind of lightning protection according to claim 1 is leaked electricity, which is characterized in that silicon-controlled (10) It is silicon-controlled for 100-8.
- The overvoltage protection wiring board 6. a kind of lightning protection according to claim 1 is leaked electricity, which is characterized in that the first electrolysis electricity Holding (11) is 0.22UF/50V electrolytic capacitor, and second electrolytic capacitor (12) is 1UF/50V electrolytic capacitor.
- The overvoltage protection wiring board 7. a kind of lightning protection according to claim 1 is leaked electricity, which is characterized in that the first diode It (13) is DB3 switching diode, second diode (14), third diode (15), the 4th diode (16), the five or two pole It manages (17) and the 6th diode (18) is 4007 diodes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920580925.6U CN209526517U (en) | 2019-04-25 | 2019-04-25 | A kind of lightning protection electric leakage overvoltage protection wiring board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920580925.6U CN209526517U (en) | 2019-04-25 | 2019-04-25 | A kind of lightning protection electric leakage overvoltage protection wiring board |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209526517U true CN209526517U (en) | 2019-10-22 |
Family
ID=68232792
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920580925.6U Active CN209526517U (en) | 2019-04-25 | 2019-04-25 | A kind of lightning protection electric leakage overvoltage protection wiring board |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209526517U (en) |
-
2019
- 2019-04-25 CN CN201920580925.6U patent/CN209526517U/en active Active
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