CN102055182B - Lightening protector without ground wire - Google Patents
Lightening protector without ground wire Download PDFInfo
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- CN102055182B CN102055182B CN 201010576340 CN201010576340A CN102055182B CN 102055182 B CN102055182 B CN 102055182B CN 201010576340 CN201010576340 CN 201010576340 CN 201010576340 A CN201010576340 A CN 201010576340A CN 102055182 B CN102055182 B CN 102055182B
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Abstract
The invention discloses a lightening protector without a ground wire, wherein a discharge tube is placed at the input end of the lightening protector without the ground wire; a voltage dependent resistor or a voltage regulator tube is placed at the output end of the lightening protector without the ground wire; the discharge tube and the voltage dependent resistor or the voltage regulator tube are isolated through a resistor or a capacitor; and a technical scheme comprising the multi-stage discharge tube protection in parallel connection and the multi-stage voltage dependent resistor protection in parallel connection is adopted. When the lightning surge enters into the lightening protector without the ground wire through a wire connecting terminal, most energy of the lightning surge is consumed by a lightning surge discharging circuit which is composed of the discharge tube, the voltage dependent resistor or the voltage regulator tube, the resistor and the capacitor, so an equipment port connected to the output end of the lightening protector without the ground wire is prevented from being damaged. The lightening protector without the ground wire has the advantages of large lightening-resisting flow, long service life, excellent surge-resisting capability, simple structure, small volume and low cost.
Description
Technical field
The present invention relates to electronic technology field, relate in particular to a kind of no ground wire lightning protection device.
Background technology
Existing shocking preventing technology all adopts discharge tube, piezo-resistance to use or mix directly and connect the mode of use respectively separately, its defective is: 1, if use discharge tube to carry out lightning protection separately, then to have a response time slow because of discharge tube, also can produce inherent characteristics such as the stream that continues, state turnover, short circuit reflection, transient electromagnetic field, lightning protection effect is not good.2, if use separately piezo-resistance to carry out lightning protection, then because piezo-resistance exists the response time fast, resist powerful thunder and lightning ability a little less than, useful life is limited etc., lightning protection effect is not good.3, if directly with discharge tube and piezo-resistance and repeatedly kick into capable lightning protection, because of the discharge tube response time slow, so circuit mainly embodies piezo-resistance to the characteristic of the electricity that is struck by lightning, its result must be the through-current capacity deficiency, causes circuit low useful life.
Chinese patent publication number CN1753129A discloses a kind of " special equipment for no ground electrode lightening proof " on March 29th, 2006 and has solved the problems referred to above.But this patent exists complex structure, problem that volume is bigger.Complex structure makes its production cost higher, and big its usage space of volume is restricted.Marketing is difficulty comparatively, and economic benefit is not good.
Summary of the invention
The lightning-arrest through-current capacity of a kind of lightning protection that the objective of the invention is to overcome above-mentioned shortcoming and provide is big, the no ground wire lightning protection device that ability is good, simple in structure, volume is little, cost is low of long service life, anti-surge.
Purpose of the present invention and solve its technical problem underlying and realize by the following technical solutions:
No ground wire lightning protection device of the present invention, it is characterized in that: binding post M is connected with 1 end of trip gear G, and binding post B is connected with 2 ends of resistance R 7, and binding post N is connected with 1 end of capacitor C 1, binding post E is connected with 2 ends of resistance R 6, and binding post W is connected with 2 ends of resistance R 5.Indicator light T1 is connected between 1 end of 1 end of trip gear G and resistance R 7,2 ends of trip gear G are connected with the 1 stator end of change over switch K1, indicator light T2 is connected between 1 end of 2 ends of trip gear G and resistance R 8,2 ends of resistance R 8 are connected with binding post B, 1 end of capacitor C 1 is connected with 1 end of discharge tube L1,2 ends of discharge tube L1 are connected with 2 ends of resistance R 7,2 ends of capacitor C 1 are connected with 1 end of capacitor C 2,1 end of capacitor C 2 is connected with 1 end of discharge tube L2,2 ends of discharge tube L2 are connected with 2 ends of resistance R 7,2 ends of capacitor C 2 are connected with 1 end of capacitor C 3,1 end of capacitor C 3 is connected with 1 end of discharge tube L3,2 ends of discharge tube L3 are connected with 2 ends of resistance R 7,2 ends of capacitor C 3 are connected with the 2 stator ends of change over switch K1,2 ends of capacitor C 3 are connected with the moving plate end of lapping switch K3, the moving plate end of change over switch K1 is connected with 1 end of resistance R 1,1 end of resistance R 1 is connected with 1 end of discharge tube L4,2 ends of discharge tube L4 are connected with 2 ends of resistance R 7,1 end of resistance R 1 is connected with 1 end of discharge tube L5,2 ends of discharge tube L5 are connected with 2 ends of resistance R 7,2 ends of resistance R 1 are connected with 1 end of discharge tube L6,2 ends of discharge tube L6 are connected with 2 ends of resistance R 7,2 ends of resistance R 1 are connected with 1 end of discharge tube L7,2 ends of discharge tube L7 are connected with 2 ends of resistance R 7,2 ends of resistance R 1 are connected with 1 end of resistance R 2,2 ends of resistance R 2 are connected with 1 end of discharge tube L8,2 ends of discharge tube L8 are connected with 2 ends of resistance R 7,2 ends of resistance R 2 are connected with 1 end of discharge tube L9,2 ends of discharge tube L9 are connected with 2 ends of resistance R 7,2 ends of resistance R 2 are connected with 1 end of discharge tube L10,2 ends of discharge tube L10 are connected with 2 ends of resistance R 7,2 ends of resistance R 2 are connected with the moving plate end of change over switch K2, the 1 stator end of change over switch K2 is connected with 1 end of resistance R 3, the 2 stator ends of change over switch K2 are connected with 1 end of resistance R 6, the 2 stator ends of change over switch K2 are connected with the stator end of lapping switch K3,2 ends of resistance R 6 are connected with the negative pole of voltage-stabiliser tube D1, the positive pole of voltage-stabiliser tube D1 is connected with 2 ends of resistance R 7,2 ends of resistance R 6 are connected with the negative pole of voltage-stabiliser tube D2, the positive pole of voltage-stabiliser tube D2 is connected with 2 ends of resistance R 7,2 ends of resistance R 3 are connected with 1 end of piezo-resistance S1,2 ends of piezo-resistance S1 are connected with 2 ends of resistance R 7,2 ends of resistance R 3 are connected with 1 end of piezo-resistance S2,2 ends of piezo-resistance S2 are connected with 2 ends of resistance R 7,2 ends of resistance R 3 are connected with 1 end of resistance R 4,2 ends of resistance R 4 are connected with 1 end of piezo-resistance S3,2 ends of piezo-resistance S3 are connected with 2 ends of resistance R 7,2 ends of resistance R 4 are connected with 1 end of piezo-resistance S4,2 ends of piezo-resistance S4 are connected with 2 ends of resistance R 7,2 ends of resistance R 4 are connected with 1 end of resistance R 5,2 ends of resistance R 5 are connected with 1 end of piezo-resistance S5,2 ends of piezo-resistance S5 are connected with 2 ends of resistance R 7,2 ends of resistance R 5 are connected with 1 end of piezo-resistance S6,2 ends of piezo-resistance S6 are connected with 2 ends of resistance R 7,2 ends of resistance R 5 are connected with 1 end of piezo-resistance S7, and 2 ends of piezo-resistance S7 are connected with 2 ends of resistance R 7.
Above-mentioned no ground wire lightning protection device, circuit is that binding post N is connected with 1 end of resistance R 11 between its middle connecting terminal N and the binding post B, 1 end of resistance R 11 is connected with 1 end of discharge tube L11, binding post B is connected with 2 ends of discharge tube L11,2 ends of discharge tube L11 are connected with 1 end of resistance R 10,2 ends of resistance R 11 are connected with 1 end of discharge tube L12,2 ends of discharge tube L12 are connected with 2 ends of resistance R 10,2 ends of resistance R 11 are connected with 1 end of discharge tube L13,2 ends of discharge tube L13 are connected with 2 ends of resistance R 10,2 ends of resistance R 11 are connected with 1 end of capacitor C 4,2 ends of capacitor C 4 are connected with 1 end of capacitor C 5,2 ends of capacitor C 4 are connected with 1 end of discharge tube L14,2 ends of R10 are connected with 1 end of C6,2 ends of discharge tube L14 are connected with 2 ends of capacitor C 6,2 ends of capacitor C 5 are connected with 1 end of resistance R 9,2 ends of resistance R 9 are connected with 1 end of piezo-resistance S8,2 ends of piezo-resistance S8 are connected with 2 ends of capacitor C 6,1 end of piezo-resistance S8 is connected with binding post E1, and 2 ends of piezo-resistance S8 are connected with binding post E2.
Above-mentioned no ground wire lightning protection device, circuit is that binding post M is connected with 1 end of discharge tube L15 between its middle connecting terminal M and the binding post B, 1 end of discharge tube L15 is connected with 1 end of discharge tube L16, binding post B is connected with 2 ends of discharge tube L15,2 ends of discharge tube L15 are connected with 2 ends of discharge tube L16,1 end of discharge tube L15 is connected with 1 end of resistance R 12,2 ends of discharge tube L15 are connected with 1 end of resistance R 13,2 ends of resistance R 12 are connected with the negative pole of voltage-stabiliser tube D3,2 ends of resistance R 12 are connected with the negative pole of voltage-stabiliser tube D4,2 ends of resistance R 13 are connected with the positive pole of voltage-stabiliser tube D3,2 ends of resistance R 13 are connected with the positive pole of voltage-stabiliser tube D4, binding post W1 is connected with the negative pole of voltage-stabiliser tube D3, and binding post W2 is connected with the positive pole of voltage-stabiliser tube D3.
Above-mentioned no ground wire lightning protection device, circuit is that binding post N is connected with 1 end of capacitor C 7 between its middle connecting terminal N and the binding post B, 1 end of capacitor C 7 is connected with 1 end of discharge tube L17, binding post B is connected with 2 ends of discharge tube L17,2 ends of discharge tube L17 are connected with 1 end of capacitor C 8,1 end of resistance R 14 is connected with 2 ends of discharge tube L18,2 ends of discharge tube L18 are connected with 2 ends of capacitor C 8,1 end of discharge tube L18 is connected with 2 ends of capacitor C 7,1 end of resistance R 15 is connected with 1 end of discharge tube L18,2 ends of resistance R 15 are connected with the negative pole of voltage-stabiliser tube D6 with voltage-stabiliser tube D5,2 ends of resistance R 14 are connected with the positive pole of voltage-stabiliser tube D6 with voltage-stabiliser tube D5, binding post E1 is connected with the negative pole of voltage-stabiliser tube D5, and binding post E2 is connected with the positive pole of voltage-stabiliser tube D5.
Above-mentioned no ground wire lightning protection device, wherein be that binding post M is connected with 1 end of resistance R 16,1 end of resistance R 16 is connected with 1 end of discharge tube L19, binding post B is connected with 2 ends of discharge tube L19,2 ends of discharge tube L19 are connected with 1 end of resistance R 19,2 ends of resistance R 16 are connected with 1 end of discharge tube L20,2 ends of resistance R 16 are connected with 1 end of discharge tube L21,2 ends of discharge tube L20 are connected with 2 ends of resistance R 19,2 ends of discharge tube L21 are connected with 2 ends of resistance R 19,1 end of resistance R 17 is connected with 1 end of discharge tube L21,1 end of resistance R 20 is connected with 2 ends of discharge tube L21,2 ends of resistance R 17 are connected with 1 end of piezo-resistance S9,2 ends of resistance R 17 are connected with 1 end of piezo-resistance S10,2 ends of resistance R 20 are connected with 2 ends of piezo-resistance S9,2 ends of resistance R 20 are connected with 2 ends of piezo-resistance S10,1 end of resistance R 18 is connected with 1 end of piezo-resistance S10,1 end of resistance R 21 is connected with 2 ends of piezo-resistance S10,2 ends of resistance R 18 are connected with the negative pole of voltage-stabiliser tube D7,2 ends of resistance R 18 are connected with the negative pole of voltage-stabiliser tube D8,2 ends of resistance R 21 are connected with the positive pole of voltage-stabiliser tube D7,2 ends of resistance R 21 are connected with the positive pole of voltage-stabiliser tube D8, binding post W1 is connected with the negative pole of voltage-stabiliser tube D8, and binding post W2 is connected with the positive pole of voltage-stabiliser tube D8.
The present invention compared with prior art, has tangible beneficial effect, as can be known from the above technical solutions: the lightning-arrest through-current capacity of lightning protection of the present invention is big, the ability of long service life, anti-surge is good, and can not damage original current/voltage and various signal frequency, carrier, stable, safe, practical, simple in structure, volume is little, cost is low, have the no ground wire lightning protection device of market popularization value.
The specific embodiment of the present invention further specifies beneficial effect of the present invention.
Description of drawings
Fig. 1 is circuit theory diagrams of the present invention;
Fig. 2 is the circuit theory diagrams of embodiments of the invention 2;
Fig. 3 is the circuit theory diagrams of embodiments of the invention 3;
Fig. 4 is the circuit theory diagrams of embodiments of the invention 4;
Fig. 5 is the circuit theory diagrams of embodiments of the invention 5.
Mark among the figure:
G is trip gear,
K1 is change over switch, and K2 is change over switch, and K3 is lapping switch,
R1 is resistance, and R2 is resistance, and R3 is resistance, and R4 is resistance, R5 is resistance, and R6 is resistance, and R7 is resistance, and R8 is resistance, R9 is resistance, and R10 is resistance, and R11 is resistance, and R12 is resistance, R13 is resistance, and R14 is resistance, and R15 is resistance, and R16 is resistance, R17 is resistance, and R18 is resistance, and R19 is resistance, R20 is resistance, and R21 is resistance
C1 is electric capacity, and C2 is electric capacity, and C3 is electric capacity, and C4 is electric capacity, and C5 is electric capacity, and C6 is electric capacity,
C7 is electric capacity, and C8 is electric capacity,
D1 is voltage-stabiliser tube, and D2 is voltage-stabiliser tube, and D3 is voltage-stabiliser tube, and D4 is voltage-stabiliser tube, and D5 is voltage-stabiliser tube,
D6 is voltage-stabiliser tube, and D7 is voltage-stabiliser tube, and D8 is voltage-stabiliser tube,
T1 is indicator light, and T2 is indicator light,
L1 is discharge tube, and L2 is discharge tube, and L3 is discharge tube, and L4 is discharge tube, L5 is discharge tube, and L6 is discharge tube, and L7 is discharge tube, and L8 is discharge tube, L9 is discharge tube, and L10 is discharge tube, and L11 is discharge tube, and L12 is discharge tube, L13 is discharge tube, and L14 is discharge tube, and L15 is discharge tube, and L16 is discharge tube, L17 is discharge tube, and L18 is discharge tube, and L19 is discharge tube, L20 is discharge tube, and L21 is discharge tube
S1 is piezo-resistance, and S2 is piezo-resistance, and S3 is piezo-resistance, and S4 is piezo-resistance, and S5 is piezo-resistance, and S6 is piezo-resistance, and S7 is piezo-resistance, and S7 is piezo-resistance, and S8 is piezo-resistance, and S9 is piezo-resistance, and S10 is piezo-resistance,
M is binding post, and N is binding post, and B is binding post, and W is binding post, and W1 is binding post, and W2 is binding post, and E1 is binding post, and E2 is binding post, and E is binding post.
Embodiment
Below in conjunction with accompanying drawing and preferred embodiment, embodiment, structure, feature and the effect thereof of the no ground wire lightning protection device that foundation the present invention is proposed are described in detail as follows:
As shown in Figure 1, no ground wire lightning protection device, wherein: binding post M is connected with 1 end of trip gear G, binding post B is connected with 2 ends of resistance R 7, binding post N is connected with 1 end of capacitor C 1, and binding post E is connected with 2 ends of resistance R 6, and binding post W is connected with 2 ends of resistance R 5.Indicator light T1 is connected between 1 end of 1 end of trip gear G and resistance R 7,2 ends of trip gear G are connected with the 1 stator end of change over switch K1, indicator light T2 is connected between 1 end of 2 ends of trip gear G and resistance R 8,2 ends of resistance R 8 are connected with binding post B, 1 end of capacitor C 1 is connected with 1 end of discharge tube L1,2 ends of discharge tube L1 are connected with 2 ends of resistance R 7,2 ends of capacitor C 1 are connected with 1 end of capacitor C 2,1 end of capacitor C 2 is connected with 1 end of discharge tube L2,2 ends of discharge tube L2 are connected with 2 ends of resistance R 7,2 ends of capacitor C 2 are connected with 1 end of capacitor C 3,1 end of capacitor C 3 is connected with 1 end of discharge tube L3,2 ends of discharge tube L3 are connected with 2 ends of resistance R 7,2 ends of capacitor C 3 are connected with the 2 stator ends of change over switch K1,2 ends of capacitor C 3 are connected with the moving plate end of lapping switch K3, the moving plate end of change over switch K1 is connected with 1 end of resistance R 1,1 end of resistance R 1 is connected with 1 end of discharge tube L4,2 ends of discharge tube L4 are connected with 2 ends of resistance R 7,1 end of resistance R 1 is connected with 1 end of discharge tube L5,2 ends of discharge tube L5 are connected with 2 ends of resistance R 7,2 ends of resistance R 1 are connected with 1 end of discharge tube L6,2 ends of discharge tube L6 are connected with 2 ends of resistance R 7,2 ends of resistance R 1 are connected with 1 end of discharge tube L7,2 ends of discharge tube L7 are connected with 2 ends of resistance R 7,2 ends of resistance R 1 are connected with 1 end of resistance R 2,2 ends of resistance R 2 are connected with 1 end of discharge tube L8,2 ends of discharge tube L8 are connected with 2 ends of resistance R 7,2 ends of resistance R 2 are connected with 1 end of discharge tube L9,2 ends of discharge tube L9 are connected with 2 ends of resistance R 7,2 ends of resistance R 2 are connected with 1 end of discharge tube L10,2 ends of discharge tube L10 are connected with 2 ends of resistance R 7,2 ends of resistance R 2 are connected with the moving plate end of change over switch K2, the 1 stator end of change over switch K2 is connected with 1 end of resistance R 3, the 2 stator ends of change over switch K2 are connected with 1 end of resistance R 6, the 2 stator ends of change over switch K2 are connected with the stator end of lapping switch K3,2 ends of resistance R 6 are connected with the negative pole of voltage-stabiliser tube D1, the positive pole of voltage-stabiliser tube D1 is connected with 2 ends of resistance R 7,2 ends of resistance R 6 are connected with the negative pole of voltage-stabiliser tube D2, the positive pole of voltage-stabiliser tube D2 is connected with 2 ends of resistance R 7,2 ends of resistance R 3 are connected with 1 end of piezo-resistance S1,2 ends of piezo-resistance S1 are connected with 2 ends of resistance R 7,2 ends of resistance R 3 are connected with 1 end of piezo-resistance S2,2 ends of piezo-resistance S2 are connected with 2 ends of resistance R 7,2 ends of resistance R 3 are connected with 1 end of resistance R 4,2 ends of resistance R 4 are connected with 1 end of piezo-resistance S3,2 ends of piezo-resistance S3 are connected with 2 ends of resistance R 7,2 ends of resistance R 4 are connected with 1 end of piezo-resistance S4,2 ends of piezo-resistance S4 are connected with 2 ends of resistance R 7,2 ends of resistance R 4 are connected with 1 end of resistance R 5,2 ends of resistance R 5 are connected with 1 end of piezo-resistance S5,2 ends of piezo-resistance S5 are connected with 2 ends of resistance R 7,2 ends of resistance R 5 are connected with 1 end of piezo-resistance S6,2 ends of piezo-resistance S6 are connected with 2 ends of resistance R 7,2 ends of resistance R 5 are connected with 1 end of piezo-resistance S7, and 2 ends of piezo-resistance S7 are connected with 2 ends of resistance R 7.
Wherein: discharge tube L8, discharge tube L9, the withstand voltage of discharge tube L10 must be selected the peak-peak greater than the 220V low voltage electric network, namely in use guarantees can not damage the normal current/voltage of 220V low voltage electric network; Discharge tube L6, the withstand voltage of discharge tube L7 should select much larger than discharge tube L8, discharge tube L9, the withstand voltage of discharge tube L10, discharge tube L4, discharge tube L5 withstand voltage is again much larger than discharge tube L6, the withstand voltage of discharge tube L7, namely there is the withstand voltage ladder in three groups of discharge tubes.
Piezo-resistance S5, piezo-resistance S6, the withstand voltage of piezo-resistance S7 must in use must be guaranteed the safety of 220V low voltage electric network and use circuit equally greater than the crest voltage of 220V low voltage electric network equally; Piezo-resistance S3, the withstand voltage of piezo-resistance S4 equally will be much larger than piezo-resistance S5, piezo-resistance S6, the withstand voltage of piezo-resistance S7, piezo-resistance S1, piezo-resistance S2 withstand voltage equally will be much larger than piezo-resistance S3, the withstand voltage of piezo-resistance S4, and there is proof voltage value ladder in these three groups of piezo-resistances.
Produce overheating if in the use equipment, break down; then when temperature surpasses 120 degrees centigrade; trip gear G namely disconnects the disengaging power supply; to avoid occurring danger; also can avoid the harm to electrical network or circuit simultaneously; under the situation of output mode in parallel, just can accomplish to make original protected equipment to continue normal operation work.
In the normal use of circuit, indicator light T1 and indicator light T2 are normally luminous.When trip gear G dropout deenergization, indicator light T2 goes out, and shows that fault prompting has taken place informed and take the necessary measures the related personnel.
Voltage-stabiliser tube D1, voltage-stabiliser tube D2 are a kind of more powerful voltage-stabiliser tubes, and it can guarantee on the harmless basis of data and multiple signal and positive voltage carrier, the superpotential remaining composition of eliminating danger property.
K3 is that lapping switch, K1 and K2 are change over switch, as change over switch K1, when change over switch K2, lapping switch K3 are in different break-make positions, can change the structure of no ground wire lightning protection device, namely changes performance and the purposes of circuit.
Operation principle is as follows: when the 1 stator end closure of moving plate end and the change over switch K1 of change over switch K1, when the 1 stator end of the moving plate end of change over switch K2 and change over switch K2 was also closed, the thunderbolt electricity entered no ground wire lightning protection device by binding post M.The thunderbolt electricity reaches 1 end of discharge tube L4 and 1 end of discharge tube L5 behind trip gear G and change over switch K1, trigger discharge tube L4 and discharge tube L5, the thunderbolt electricity carries out the discharge consumption first time by 2 ends of discharge tube L4 and 2 ends of discharge tube L5 at binding post B, after isolating by the current limliting of resistance R 1 then, the thunderbolt electricity reaches 1 end of discharge tube L6 and 1 end of discharge tube L7, trigger discharge tube L6 and discharge tube L7, the thunderbolt electricity carries out the discharge consumption second time by 2 ends of discharge tube L6 and 2 ends of discharge tube L7 at binding post B, after then isolating by the current limliting of resistance R 2, the thunderbolt electricity reaches 1 end of discharge tube L8,1 end of discharge tube L9 and 1 end of discharge tube L10, trigger discharge tube L8, discharge tube L9 and discharge tube L10, thunderbolt electricity is by 2 ends of discharge tube L8, and 2 ends of discharge tube L9 and 2 ends of discharge tube L10 are in the binding post B consumption of discharging for the third time.Consume through these three times discharges, most of energy of thunderbolt electricity is consumed.After remaining thunderbolt electricity is isolated by resistance R 3 current limlitings again, reach 1 end of piezo-resistance S1 and 1 end of piezo-resistance S2, trigger piezo-resistance S1 and piezo-resistance S2, the thunderbolt electricity carries out the 4th discharge consumption by 2 ends of piezo-resistance S1 and 2 ends of piezo-resistance S2 at binding post B, and then the current limliting of passing through resistance R 4 is isolated, the thunderbolt electricity reaches 1 end of piezo-resistance S3 and 1 end of piezo-resistance S4, trigger piezo-resistance S3 and piezo-resistance S4, the thunderbolt electricity carries out the 5th discharge consumption by 2 ends of piezo-resistance S3 and 2 ends of piezo-resistance S4 at binding post B, after then isolating by the current limliting of resistance R 5, the thunderbolt electricity reaches 1 end of piezo-resistance S5,1 end of piezo-resistance S6 and 1 end of piezo-resistance S7, trigger piezo-resistance S5, piezo-resistance S6 and piezo-resistance S7, the thunderbolt electricity is by 2 ends of piezo-resistance S5,2 ends of piezo-resistance S6 and 2 ends of piezo-resistance S7 carry out the 6th discharge at binding post B and consume, consume through six discharges, the thunderbolt electric flux is consumed basically, no longer the device port that is connected with binding post W is caused damage.Simultaneously, because having passed through three discharge consumption and having isolated by resistance R 3 current limlitings, make piezo-resistance S1, piezo-resistance S2, piezo-resistance S3, piezo-resistance S4, piezo-resistance S5, the thunderbolt electric flux that piezo-resistance S6, piezo-resistance S7 bear is less relatively, make piezo-resistance S1, piezo-resistance S2, piezo-resistance S3, piezo-resistance S4, piezo-resistance S5, piezo-resistance S6, the impaired probability of piezo-resistance S7 reduces, and solved piezo-resistance in the defective of anti-thunderbolt aspect electric.For reaching the electric effect of better anti-thunderbolt, when carrying out the material selection, discharge tube L4 and discharge tube L5 select the highest material of withstand voltage for use, and discharge tube L6 and discharge tube L7 select material high in the withstand voltage for use, discharge tube L8, discharge tube L9 and discharge tube L10 select for use withstand voltage to hang down high material.Piezo-resistance S1 and piezo-resistance S2 select the highest material of withstand voltage for use, and piezo-resistance S3 and piezo-resistance S4 select material high in the withstand voltage for use, and piezo-resistance S5, piezo-resistance S6 and piezo-resistance S7 select for use withstand voltage to hang down high material.The Selection and Design of the withstand voltage material of this notch cuttype can make binding post M, and the series connection output mode at binding post B two ends and output mode in parallel all can obtain anti-thunderbolt electric protection preferably.
When the 1 stator end closure of moving plate end and the change over switch K1 of change over switch K1, when the 1 stator end of the moving plate end of change over switch K2 and change over switch K2 was also closed, the thunderbolt electricity entered no ground wire lightning protection device by binding post M.If with discharge tube L4 in the circuit, discharge tube L5, discharge tube L6; discharge tube L7, discharge tube L8, discharge tube L9; discharge tube L10, piezo-resistance S1, piezo-resistance S2; piezo-resistance S3; piezo-resistance S4, piezo-resistance S5, piezo-resistance S6; the withstand voltage of piezo-resistance S7 is set, and then circuit can be used for again DC power supply and signal source are carried out anti-thunderbolt electric protection.
When the 1 stator end closure of moving plate end and the change over switch K1 of change over switch K1, when the 2 stator ends of the moving plate end of change over switch K2 and change over switch K2 were also closed, the thunderbolt electricity entered no ground wire lightning protection device by binding post M.The thunderbolt electricity passes through by resistance R 1 resistance R 2, discharge tube L4 earlier behind trip gear G and change over switch K1, discharge tube L5, discharge tube L6, discharge tube L7, discharge tube L8, discharge tube L9, the thunderbolt discharge of electricity that discharge tube L10 forms consumes circuit, and most of energy of thunderbolt electricity is consumed.After remaining thunderbolt electricity is isolated by resistance R 6 current limlitings again; again by voltage-stabiliser tube D1 and voltage-stabiliser tube D2 voltage stabilizing; the thunderbolt electric flux is consumed basically; no longer the device port that is connected with binding post E is caused damage, this moment, circuit can be used for the anti-thunderbolt electric protection to the positive charge carrier high-frequency end of difference mouth.
When the 2 stator ends of the moving plate end of change over switch K1 and change over switch K1 were closed, the thunderbolt electricity entered no ground wire lightning protection device by binding post N.The thunderbolt electricity arrives 1 end of discharge tube L1, trigger discharge tube L1, the thunderbolt electricity carries out the discharge consumption first time by 2 ends of discharge tube L1 at binding post B, after isolating by the current limliting of capacitor C 1 then, the thunderbolt electricity reaches 1 end of discharge tube L2, trigger discharge tube L2, the thunderbolt electricity carries out the discharge consumption second time by 2 ends of discharge tube L2 at binding post B, after then isolating by the current limliting of capacitor C 2, the thunderbolt electricity reaches 1 end of discharge tube L3, trigger discharge tube L3,2 ends of thunderbolt electricity by discharge tube L3 are in the binding post B consumption of discharging for the third time.Consume through these three times discharges, most of energy of thunderbolt electricity is consumed.This moment, circuit can provide anti-thunderbolt electric protection to the high-frequency signal port.
When the stator end of the moving plate end of lapping switch K3 and lapping switch K3 was closed, the thunderbolt electricity entered no ground wire lightning protection device by binding post N.The thunderbolt electricity arrives 1 end of discharge tube L1, trigger discharge tube L1, the thunderbolt electricity carries out the discharge consumption first time by 2 ends of discharge tube L1 at binding post B, after isolating by the current limliting of capacitor C 1 then, the thunderbolt electricity reaches 1 end of discharge tube L2, trigger discharge tube L2, the thunderbolt electricity carries out the discharge consumption second time by 2 ends of discharge tube L2 at binding post B, after then isolating by the current limliting of capacitor C 2, the thunderbolt electricity reaches 1 end of discharge tube L 3, trigger discharge tube L3,2 ends of thunderbolt electricity by discharge tube L3 are in the binding post B consumption of discharging for the third time.Consume through these three times discharges, most of energy of thunderbolt electricity is consumed.After remaining thunderbolt electricity is isolated by resistance R 6 current limlitings again; again by voltage-stabiliser tube D1 and voltage-stabiliser tube D2 voltage stabilizing; the thunderbolt electric flux is consumed basically, no longer the device port that is connected with binding post E is caused damage, this moment, circuit can provide anti-thunderbolt electric protection to the ultra-high frequency signal port.
As shown in Figure 2, no ground wire lightning protection device, wherein: circuit is that binding post N is connected with 1 end of resistance R 11 between binding post N and the binding post B, 1 end of resistance R 11 is connected with 1 end of discharge tube L11, binding post B is connected with 2 ends of discharge tube L11,2 ends of discharge tube L11 are connected with 1 end of resistance R 10,2 ends of resistance R 11 are connected with 1 end of discharge tube L12,2 ends of discharge tube L12 are connected with 2 ends of resistance R 10,2 ends of resistance R 11 are connected with 1 end of discharge tube L13,2 ends of discharge tube L13 are connected with 2 ends of resistance R 10,2 ends of resistance R 11 are connected with 1 end of capacitor C 4,2 ends of capacitor C 4 are connected with 1 end of capacitor C 5,2 ends of capacitor C 4 are connected with 1 end of discharge tube L14,2 ends of R10 are connected with 1 end of C6,2 ends of discharge tube L14 are connected with 2 ends of capacitor C 6,2 ends of capacitor C 5 are connected with 1 end of resistance R 9,2 ends of resistance R 9 are connected with 1 end of piezo-resistance S8,2 ends of piezo-resistance S8 are connected with 2 ends of capacitor C 6,1 end of piezo-resistance S8 is connected with binding post E1, and 2 ends of piezo-resistance S8 are connected with binding post E2.All the other are with embodiment 1.
Operation principle is as follows: when thunderbolt electricity is entered no ground wire lightning protection device by binding post N, the thunderbolt electricity arrives 1 end of discharge tube L11, trigger discharge tube L11, the thunderbolt electricity carries out the discharge consumption first time by 2 ends of discharge tube L11 at binding post B, after isolating by the current limliting of resistance R 11 then, the thunderbolt electricity reaches 1 end of discharge tube L12 and L13, trigger discharge tube L12 and L13, the thunderbolt electricity carries out the discharge consumption second time by 2 ends and the resistance R 10 of discharge tube L12 and L13 at binding post B, after then isolating by the current limliting of capacitor C 4, the thunderbolt electricity reaches 1 end of discharge tube L14, trigger discharge tube L14,2 ends of thunderbolt electricity by discharge tube L14 by capacitor C 6 and resistance R 10 in the binding post B consumption of discharging for the third time.And then isolate by the current limliting of capacitor C 5 and resistance R 9, the thunderbolt electricity reaches 1 end of piezo-resistance S8, triggers piezo-resistance S8, and 2 ends and capacitor C 6 and the resistance R 10 of thunderbolt electricity by piezo-resistance S8 carried out the 4th discharge at binding post B and consumed.Consume through these four times discharges, most of energy of thunderbolt electricity is consumed.No longer to causing damage with the device port that binding post E2 is connected with binding post E1.。All the other are with embodiment 1.
Embodiment 3
As shown in Figure 3, no ground wire lightning protection device, wherein: circuit is that binding post M is connected with 1 end of discharge tube L15 between binding post M and the binding post B, 1 end of discharge tube L15 is connected with 1 end of discharge tube L16, binding post B is connected with 2 ends of discharge tube L15,2 ends of discharge tube L15 are connected with 2 ends of discharge tube L16,1 end of discharge tube L15 is connected with 1 end of resistance R 12,2 ends of discharge tube L15 are connected with 1 end of resistance R 13,2 ends of resistance R 12 are connected with the negative pole of voltage-stabiliser tube D3,2 ends of resistance R 12 are connected with the negative pole of voltage-stabiliser tube D4,2 ends of resistance R 13 are connected with the positive pole of voltage-stabiliser tube D3,2 ends of resistance R 13 are connected with the positive pole of voltage-stabiliser tube D4, and binding post W1 is connected with the negative pole of voltage-stabiliser tube D3, and binding post W2 is connected with the positive pole of voltage-stabiliser tube D3.。All the other are with embodiment 1.
Operation principle is as follows: when thunderbolt electricity is entered no ground wire lightning protection device by binding post M, the thunderbolt electricity arrives 1 end of discharge tube L15 and discharge tube L16, trigger discharge tube L15 and discharge tube L16, thunderbolt electricity by discharge tube L15 2 ends and 2 ends of discharge tube L16 in the binding post B consumption of discharging, after then isolating by the current limliting of resistance R 12, the thunderbolt electricity reaches voltage-stabiliser tube D3 and voltage-stabiliser tube D4, thunderbolt electric flux through voltage-stabiliser tube D3 and the remnants of voltage-stabiliser tube D4 consumes, and most of energy of thunderbolt electricity is consumed.No longer to causing damage with the device port that binding post W2 is connected with binding post W1.All the other are with embodiment 1.
Embodiment 4
As shown in Figure 4, no ground wire lightning protection device, wherein: circuit is that binding post N is connected with 1 end of capacitor C 7 between binding post N and the binding post B, 1 end of capacitor C 7 is connected with 1 end of discharge tube L17, binding post B is connected with 2 ends of discharge tube L17,2 ends of discharge tube L17 are connected with 1 end of capacitor C 8,1 end of resistance R 14 is connected with 2 ends of discharge tube L18,2 ends of discharge tube L18 are connected with 2 ends of capacitor C 8,1 end of discharge tube L18 is connected with 2 ends of capacitor C 7,1 end of resistance R 15 is connected with 1 end of discharge tube L18,2 ends of resistance R 15 are connected with the negative pole of voltage-stabiliser tube D6 with voltage-stabiliser tube D5,2 ends of resistance R 14 are connected with the positive pole of voltage-stabiliser tube D6 with voltage-stabiliser tube D5, and binding post E1 is connected with the negative pole of voltage-stabiliser tube D5, and binding post E2 is connected with the positive pole of voltage-stabiliser tube D5.All the other are with embodiment 1.
Operation principle is as follows: when thunderbolt electricity is entered no ground wire lightning protection device by binding post N, the thunderbolt electricity arrives 1 end of discharge tube L17, trigger discharge tube L17, the thunderbolt electricity carries out the discharge consumption first time by 2 ends of discharge tube L17 at binding post B, after isolating by the current limliting of capacitor C 7 then, the thunderbolt electricity reaches 1 end of discharge tube L18, trigger discharge tube L18, the thunderbolt electricity carries out the discharge consumption second time by 2 ends and the capacitor C 8 of discharge tube L18 at binding post B, after then isolating by resistance R 15 current limlitings, the thunderbolt electricity reaches the negative pole of voltage-stabiliser tube D5 and voltage-stabiliser tube D6, thunderbolt electric flux through voltage-stabiliser tube D5 and the remnants of voltage-stabiliser tube D6 consumes, and most of energy of thunderbolt electricity is consumed.No longer to causing damage with the device port that binding post E2 is connected with binding post E1.All the other are with embodiment 1.
Embodiment 5
As shown in Figure 5, no ground wire lightning protection device, wherein: circuit is that binding post M is connected with 1 end of resistance R 16 between binding post M and the binding post B, 1 end of resistance R 16 is connected with 1 end of discharge tube L19, binding post B is connected with 2 ends of discharge tube L19,2 ends of discharge tube L19 are connected with 1 end of resistance R 19,2 ends of resistance R 16 are connected with 1 end of discharge tube L20,2 ends of resistance R 16 are connected with 1 end of discharge tube L21,2 ends of discharge tube L20 are connected with 2 ends of resistance R 19,2 ends of discharge tube L21 are connected with 2 ends of resistance R 19,1 end of resistance R 17 is connected with 1 end of discharge tube L21,1 end of resistance R 20 is connected with 2 ends of discharge tube L21,2 ends of resistance R 17 are connected with 1 end of piezo-resistance S9,2 ends of resistance R 17 are connected with 1 end of piezo-resistance S10,2 ends of resistance R 20 are connected with 2 ends of piezo-resistance S9,2 ends of resistance R 20 are connected with 2 ends of piezo-resistance S10,1 end of resistance R 18 is connected with 1 end of piezo-resistance S10,1 end of resistance R 21 is connected with 2 ends of piezo-resistance S10,2 ends of resistance R 18 are connected with the negative pole of voltage-stabiliser tube D7,2 ends of resistance R 18 are connected with the negative pole of voltage-stabiliser tube D8,2 ends of resistance R 21 are connected with the positive pole of voltage-stabiliser tube D7,2 ends of resistance R 21 are connected with the positive pole of voltage-stabiliser tube D8, binding post W1 is connected with the negative pole of voltage-stabiliser tube D8, and binding post W2 is connected with the positive pole of voltage-stabiliser tube D8.All the other are with embodiment 1.
Operation principle is as follows: when thunderbolt electricity is entered no ground wire lightning protection device by binding post M, the thunderbolt electricity arrives 1 end of discharge tube L19, trigger discharge tube L19, the thunderbolt electricity carries out the discharge consumption first time by 2 ends of discharge tube L19 at binding post B, after isolating by the current limliting of resistance R 16 then, the thunderbolt electricity reaches 1 end of discharge tube L20 and L21, trigger discharge tube L20 and L21, the thunderbolt electricity carries out the discharge consumption second time by 2 ends and the resistance R 19 of discharge tube L20 and L21 at binding post B, after then isolating by the current limliting of resistance R 17, the thunderbolt electricity reaches 1 end of piezo-resistance S9 and piezo-resistance S10, trigger piezo-resistance S9 and piezo-resistance S10, thunderbolt electricity is by 2 ends of piezo-resistance S9 and 2 ends and the resistance R 19 of piezo-resistance S10, and resistance R 20 is in the binding post B consumption of discharging for the third time.After then passing through the current limliting isolation of resistance R 18, the thunderbolt electricity arrives the negative pole of voltage-stabiliser tube D7 and voltage-stabiliser tube D8, and the thunderbolt electric flux of process voltage-stabiliser tube D7 and the remnants of voltage-stabiliser tube D8 consumes, and most of energy of the electricity that is struck by lightning is consumed.No longer to causing damage with the device port that binding post W2 is connected with binding post W1.All the other are with embodiment 1.
Of the present inventionly be not limited to the embodiment described in the embodiment, those skilled in the art's technical scheme according to the present invention draws other execution mode, belongs to technological innovation scope of the present invention equally.Obviously, those skilled in the art can carry out various changes and modification to the present invention and not break away from the spirit and scope of the present invention.Like this, if of the present invention these are revised and modification belongs within the scope of claim of the present invention and equivalent technologies thereof, then the present invention also is intended to comprise these changes and modification interior.
Claims (5)
1. no ground wire lightning protection device, it is characterized in that: binding post M is connected with 1 end of trip gear G, and binding post B is connected with 2 ends of resistance R 7, and binding post N is connected with 1 end of capacitor C 1, binding post E is connected with 2 ends of resistance R 6, and binding post W is connected with 2 ends of resistance R 5; Indicator light T1 is connected between 1 end of 1 end of trip gear G and resistance R 7,2 ends of trip gear G are connected with the 1 stator end of change over switch K1, indicator light T2 is connected between 1 end of 2 ends of trip gear G and resistance R 8,2 ends of resistance R 8 are connected with binding post B, 1 end of capacitor C 1 is connected with 1 end of discharge tube L1,2 ends of discharge tube L1 are connected with 2 ends of resistance R 7,2 ends of capacitor C 1 are connected with 1 end of capacitor C 2,1 end of capacitor C 2 is connected with 1 end of discharge tube L2,2 ends of discharge tube L2 are connected with 2 ends of resistance R 7,2 ends of capacitor C 2 are connected with 1 end of capacitor C 3,1 end of capacitor C 3 is connected with 1 end of discharge tube L3,2 ends of discharge tube L3 are connected with 2 ends of resistance R 7,2 ends of capacitor C 3 are connected with the 2 stator ends of change over switch K1,2 ends of capacitor C 3 are connected with the moving plate end of lapping switch K3, the moving plate end of change over switch K1 is connected with 1 end of resistance R 1,1 end of resistance R 1 is connected with 1 end of discharge tube L4,2 ends of discharge tube L4 are connected with 2 ends of resistance R 7,1 end of resistance R 1 is connected with 1 end of discharge tube L5,2 ends of discharge tube L5 are connected with 2 ends of resistance R 7,2 ends of resistance R 1 are connected with 1 end of discharge tube L6,2 ends of discharge tube L6 are connected with 2 ends of resistance R 7,2 ends of resistance R 1 are connected with 1 end of discharge tube L7,2 ends of discharge tube L7 are connected with 2 ends of resistance R 7,2 ends of resistance R 1 are connected with 1 end of resistance R 2,2 ends of resistance R 2 are connected with 1 end of discharge tube L8,2 ends of discharge tube L8 are connected with 2 ends of resistance R 7,2 ends of resistance R 2 are connected with 1 end of discharge tube L9,2 ends of discharge tube L9 are connected with 2 ends of resistance R 7,2 ends of resistance R 2 are connected with 1 end of discharge tube L10,2 ends of discharge tube L10 are connected with 2 ends of resistance R 7,2 ends of resistance R 2 are connected with the moving plate end of change over switch K2, the 1 stator end of change over switch K2 is connected with 1 end of resistance R 3, the 2 stator ends of change over switch K2 are connected with 1 end of resistance R 6, the 2 stator ends of change over switch K2 are connected with the stator end of lapping switch K3,2 ends of resistance R 6 are connected with the negative pole of voltage-stabiliser tube D1, the positive pole of voltage-stabiliser tube D1 is connected with 2 ends of resistance R 7,2 ends of resistance R 6 are connected with the negative pole of voltage-stabiliser tube D2, the positive pole of voltage-stabiliser tube D2 is connected with 2 ends of resistance R 7,2 ends of resistance R 3 are connected with 1 end of piezo-resistance S1,2 ends of piezo-resistance S1 are connected with 2 ends of resistance R 7,2 ends of resistance R 3 are connected with 1 end of piezo-resistance S2,2 ends of piezo-resistance S2 are connected with 2 ends of resistance R 7,2 ends of resistance R 3 are connected with 1 end of resistance R 4,2 ends of resistance R 4 are connected with 1 end of piezo-resistance S3,2 ends of piezo-resistance S3 are connected with 2 ends of resistance R 7,2 ends of resistance R 4 are connected with 1 end of piezo-resistance S4,2 ends of piezo-resistance S4 are connected with 2 ends of resistance R 7,2 ends of resistance R 4 are connected with 1 end of resistance R 5,2 ends of resistance R 5 are connected with 1 end of piezo-resistance S5,2 ends of piezo-resistance S5 are connected with 2 ends of resistance R 7,2 ends of resistance R 5 are connected with 1 end of piezo-resistance S6,2 ends of piezo-resistance S6 are connected with 2 ends of resistance R 7,2 ends of resistance R 5 are connected with 1 end of piezo-resistance S7, and 2 ends of piezo-resistance S7 are connected with 2 ends of resistance R 7.
2. no ground wire lightning protection device as claimed in claim 1, it is characterized in that: circuit is that binding post N is connected with 1 end of resistance R 11 between binding post N and the binding post B, 1 end of resistance R 11 is connected with 1 end of discharge tube L11, binding post B is connected with 2 ends of discharge tube L11,2 ends of discharge tube L11 are connected with 1 end of resistance R 10,2 ends of resistance R 11 are connected with 1 end of discharge tube L12,2 ends of discharge tube L12 are connected with 2 ends of resistance R 10,2 ends of resistance R 11 are connected with 1 end of discharge tube L13,2 ends of discharge tube L13 are connected with 2 ends of resistance R 10,2 ends of resistance R 11 are connected with 1 end of capacitor C 4,2 ends of capacitor C 4 are connected with 1 end of capacitor C 5,2 ends of capacitor C 4 are connected with 1 end of discharge tube L14,2 ends of resistance R 10 are connected with 1 end of capacitor C 6,2 ends of discharge tube L14 are connected with 2 ends of capacitor C 6,2 ends of capacitor C 5 are connected with 1 end of resistance R 9,2 ends of resistance R 9 are connected with 1 end of piezo-resistance S8,2 ends of piezo-resistance S8 are connected with 2 ends of capacitor C 6,1 end of piezo-resistance S8 is connected with binding post E1, and 2 ends of piezo-resistance S8 are connected with binding post E2.
3. no ground wire lightning protection device as claimed in claim 1, it is characterized in that: circuit is that binding post M is connected with 1 end of discharge tube L15 between binding post M and the binding post B, 1 end of discharge tube L15 is connected with 1 end of discharge tube L16, binding post B is connected with 2 ends of discharge tube L15,2 ends of discharge tube L15 are connected with 2 ends of discharge tube L16,1 end of discharge tube L15 is connected with 1 end of resistance R 12,2 ends of discharge tube L15 are connected with 1 end of resistance R 13,2 ends of resistance R 12 are connected with the negative pole of voltage-stabiliser tube D3,2 ends of resistance R 12 are connected with the negative pole of voltage-stabiliser tube D4,2 ends of resistance R 13 are connected with the positive pole of voltage-stabiliser tube D3,2 ends of resistance R 13 are connected with the positive pole of voltage-stabiliser tube D4, binding post W1 is connected with the negative pole of voltage-stabiliser tube D3, and binding post W2 is connected with the positive pole of voltage-stabiliser tube D3.
4. no ground wire lightning protection device as claimed in claim 1, it is characterized in that: circuit is that binding post N is connected with 1 end of capacitor C 7 between binding post N and the binding post B, 1 end of capacitor C 7 is connected with 1 end of discharge tube L17, binding post B is connected with 2 ends of discharge tube L17,2 ends of discharge tube L17 are connected with 1 end of capacitor C 8,1 end of resistance R 14 is connected with 2 ends of discharge tube L18,2 ends of discharge tube L18 are connected with 2 ends of capacitor C 8,1 end of discharge tube L18 is connected with 2 ends of capacitor C 7,1 end of resistance R 15 is connected with 1 end of discharge tube L18,2 ends of resistance R 15 are connected with the negative pole of voltage-stabiliser tube D6 with voltage-stabiliser tube D5,2 ends of resistance R 14 are connected with the positive pole of voltage-stabiliser tube D6 with voltage-stabiliser tube D5, binding post E1 is connected with the negative pole of voltage-stabiliser tube D5, and binding post E2 is connected with the positive pole of voltage-stabiliser tube D5.
5. no ground wire lightning protection device as claimed in claim 1, it is characterized in that: binding post M is connected with 1 end of resistance R 16,1 end of resistance R 16 is connected with 1 end of discharge tube L19, binding post B is connected with 2 ends of discharge tube L19,2 ends of discharge tube L19 are connected with 1 end of resistance R 19,2 ends of resistance R 16 are connected with 1 end of discharge tube L20,2 ends of resistance R 16 are connected with 1 end of discharge tube L21,2 ends of discharge tube L20 are connected with 2 ends of resistance R 19,2 ends of discharge tube L21 are connected with 2 ends of resistance R 19,1 end of resistance R 17 is connected with 1 end of discharge tube L21,1 end of resistance R 20 is connected with 2 ends of discharge tube L21,2 ends of resistance R 17 are connected with 1 end of piezo-resistance S9,2 ends of resistance R 17 are connected with 1 end of piezo-resistance S10,2 ends of resistance R 20 are connected with 2 ends of piezo-resistance S9,2 ends of resistance R 20 are connected with 2 ends of piezo-resistance S10,1 end of resistance R 18 is connected with 1 end of piezo-resistance S10,1 end of resistance R 21 is connected with 2 ends of piezo-resistance S10,2 ends of resistance R 18 are connected with the negative pole of voltage-stabiliser tube D7,2 ends of resistance R 18 are connected with the negative pole of voltage-stabiliser tube D8,2 ends of resistance R 21 are connected with the positive pole of voltage-stabiliser tube D7,2 ends of resistance R 21 are connected with the positive pole of voltage-stabiliser tube D8, binding post W1 is connected with the negative pole of voltage-stabiliser tube D8, and binding post W2 is connected with the positive pole of voltage-stabiliser tube D8.
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| CN 201010576340 CN102055182B (en) | 2010-12-07 | 2010-12-07 | Lightening protector without ground wire |
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| CN105896502A (en) * | 2014-11-05 | 2016-08-24 | 天津市吉涛电子科技有限公司 | Surge protector used for twisted pair |
| CN115275958B (en) * | 2022-09-28 | 2023-03-17 | 深圳市高斯宝电气技术有限公司 | Lightning protection circuit of power down circuit of communication power supply |
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| JP4837414B2 (en) * | 2006-03-24 | 2011-12-14 | 東京計器株式会社 | Surge protection circuit |
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