CN209029918U - A kind of integration back-up protection lightning protection for power supply - Google Patents
A kind of integration back-up protection lightning protection for power supply Download PDFInfo
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- CN209029918U CN209029918U CN201821518014.2U CN201821518014U CN209029918U CN 209029918 U CN209029918 U CN 209029918U CN 201821518014 U CN201821518014 U CN 201821518014U CN 209029918 U CN209029918 U CN 209029918U
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Abstract
The utility model discloses a kind of integrated back-up protection lightning protection for power supply, one end that back-up protection power input is separately connected inductance vector module crosses one end of flow fuse with high short-circuit setting valve, the other end of inductance vector module connects one end that low short-circuit setting valve crosses flow fuse, the both ends that low short circuit setting valve crosses flow fuse are parallel with the high frequency capacitor with capacitive filtering function, the side that low short circuit setting valve crosses flow fuse is equipped with the remote signalling switch simultaneously acted on, the other end that high short circuit setting valve crosses flow fuse is connect with one end of discharge-type switching tube, the other end of the other end and discharge-type switching tube that low short circuit setting valve crosses flow fuse is separately connected one end of surge protector, the other end of surge protector is connect with ground terminal.The utility model overcomes the drawback of fuse surge strike resistance difference, integrates dual overcurrent protection setting valve and has the fuse target formula back-up protection technology modules of fusing instruction, realizes integrated SPD product.
Description
Technical field
The utility model relates to integrated back-up protection lightning protection for power supply, belong to thunder resisting equipment technical field.
Background technique
Lightning protection for power supply be it is a kind of apply in low-voltage distribution system of the voltage less than 1000 volts limit instantaneous overvoltage and
It releases the low-voltage electrical apparatus of surge current, also known as surge protector (SPD), is widely used in the confession of all trades and professions of national economy
In the power-supply device of distribution.By different designs need to be connected across power frequency supply it is alternate or over the ground between；And the wave among power grid
Come through voltage occur when, lightning surge electric current of releasing, make voltage protection level be limited to the resistance to voltage levels of insulation of electricity system with
Under, improve quality of power supply, protects the safe operation of electrical equipment.
It is easily serious in power grid due to the voltage-limiting surge protector that lightning protection for power supply is especially made of zinc oxide (MOV)
It splits under transient overvoltage TOV or in deterioration by surge impact moment and melts, perforates, make acute by the power frequency leakage current of SPD
Increase, so that SPD continues power frequency overcurrent and failure and generates heat, according to statistics and testing and verification: when SPD continues through 3 amperes of power currents
The several seconds is only needed, has been enough that SPD is caused to burn, initiation lightning protection device fires when serious, short circuit is tripped, and electrical equipment is burnt secondary
Accident.Cause serious economic loss.And the transient overvoltage TOV of power grid occurs and the deterioration process of SPD is random and can not
It predicts, necessarily has security risk in the operation that such lightning protection for power supply is applied in low-voltage distribution system, must prevent.
The generation of such accident in order to prevent is ensured in the safe and reliable fortune for implementing lightning protection In the distribution system of low voltage
Row.Recommend to apply overcurrent protection disconnector, (such as breaker and fusing in IEC 61643-12 and IEC60364-5-534 standard
Device) and SPD be used in series the standby overcurrent protective device as SPD, when short trouble occurs for SPD in time by it from distribution
It detaches to avoid accident in system.In " the 12nd part of low pressure surge protector: low pressure IEC 61643.12-2008
Surge protector-selection of distribution system and using priciple " in give base in annex P " reserve short-circuit protection and surge be resistant to "
In the suggestion of the i2t fuse calculated and SPD cooperation, present lightning protection for power supply target formula back-up protection New technical use also supplements solution
Determined dual diverging overcurrent protection index SPD back-up protection cooperation problem, with application target formula current monitoring shunt protect
Shield new technology, which realizes, improves reliable lightning protection for power supply back-up protection.The target formula overcurrent protection of the omnibearing protection function is prevented
Thunder device back-up protection technology has the drawback of fuse surge strike resistance difference.
Summary of the invention
Technical problem to be solved by the utility model is: solving the problems, such as that fuse surge strike resistance is poor.
In order to solve the above-mentioned technical problem, there is provided integrated back-up protection power supplys to prevent for the technical solution of the utility model
Thunder device, which is characterized in that its circuit structure includes back-up protection power input, and back-up protection power input is separately connected electricity
One end of flow fuse is crossed in one end and high short-circuit setting valve for feeling vector module, and the other end of inductance vector module connects low short circuit
Setting valve crosses one end of flow fuse, and the both ends that low short circuit setting valve crosses flow fuse are parallel with the height with capacitive filtering function
Frequency capacitor, the side that low short circuit setting valve crosses flow fuse are equipped with the remote signalling switch simultaneously acted on, high short circuit setting valve
The other end for crossing flow fuse is connect with one end of discharge-type switching tube, and low short circuit setting valve is crossed the other end of flow fuse and put
The other end of electric type switching tube is separately connected one end of surge protector, and the other end of surge protector is connect with ground terminal.
Preferably, the low short-circuit setting valve crosses the fuse that flow fuse is low adjusting ampere grade；High short circuit adjusting
It was worth the thunder and lightning flow fuse that flow fuse is high-set setting ampere grade.
Preferably, the end PI of the low short-circuit setting valve crosses flow fuse the other end and surge protector connects；Even
The end PI of one end and surge protector for connecing discharge-type switching tube connects；The end PII of surge protector is connect with ground terminal.
Preferably, ground terminal connection power supply N-terminal or the end safety ground PE.
Preferably, it includes fusible link tube body that the low short-circuit setting valve, which crosses flow fuse, is set at the top of fusible link tube body
There is conductive top cap, the bottom of fusible link tube body is equipped with conductive bottom cap, and the intracorporal middle position of cartridge fuse is fixed with an energy storage
Spring is equipped with the fusing instruction pogo stick that can move up and down above energy-stored spring, and fusing instruction pogo stick is set in cartridge fuse body,
The top of fusing instruction pogo stick is fixed in conductive top cap, and the bottom of fusing instruction pogo stick and one end of fuse connect, fuse
The other end passes through energy-stored spring and connect with conductive bottom cap.
Preferably, arc extinguishing quartz sand is inoculated in the cartridge fuse body, arc extinguishing quartz sand is set to below energy-stored spring.
Preferably, it includes sleeve that the short-circuit setting valve of the described height, which crosses flow fuse, the both ends of sleeve be respectively equipped with upper cover and
Lower cover, is connected by multiply section alloy fuse between upper cover and lower cover, and sleeve is sheathed on the outside of multiply section alloy fuse.
Preferably, arc extinguishing quartz sand is inoculated in the sleeve.
Integrated back-up protection lightning protection for power supply, which is characterized in that its hardware configuration includes back-up protection power input,
Back-up protection power input is connected to discharge-type switching tube through the first copper bar, then the height short circuit through the second copper bar and lower section is adjusted
It was worth flow fuse connection, then is connected to the end PI on surge protector by third copper bar；Back-up protection power input is another
Flow fuse is crossed with low short-circuit setting valve by line all the way to connect, and is then connect with inductance vector module, inductance vector module
It is in parallel with high frequency capacitor, then the end PI on surge protector is accessed by third copper bar；It is defeated by the end PII of surge protector again
Out, ground terminal is connected to through copper bar；The side that low short circuit setting valve crosses flow fuse is switched equipped with remote signalling, and remote signalling switch connection is distant
Letter control conversion line plate, remote signalling control conversion line plate and connect remote signalling output port.
The utility model overcomes the drawback of fuse surge strike resistance difference, integrate dual overcurrent protection setting valve and
Fuse target formula back-up protection technology modules with fusing instruction are combined into have with lightning protection surge protection and improve standby guarantor
The independent lightning protection component of shield, realizes integrated SPD product.
The utility model is not required to outside and is equipped with SPD reserve protection again, and efficiently solves the electricity of dual diverging
The SPD back-up protection of stream protection index cooperates problem, has reached IEC 61643-12, IEC6034-5-534 and GB-50057-
In 94 2000 editions etc. anti-thunder surge application standards, the requirement of basic function and back-up protection to surge protector (SPD)；
It realizes and is newly produced with up to standard, perfect, safety backup protection disconnector function the Full Featured power lightning protection surge device of anti-surge
Product.
The utility model retains the electrical structure mode of conventional lightning protection device application, applies target formula parameter control technology by having
The lightning protection device pedestal of fuse device group formed with full C grades of series MOV block combiner, facilitate plug change MOV module, can synthesize
From the integrated surge protector with fuse back-up protection of C10~C60 various specifications grade.
The utility model is compact-sized, simple installation, can directly replace various model SPDs of the original without reserve protection,
And the configuration of external back-up protection disconnector is omitted, and it is anti-to be advantageously integrated the C such as 1P, 3P, 4P, 3P+1P grades of surge on demand
Thunder protector group.It can succeed and be applied in the various lightning protection occasions of low-voltage power system.
Since the lightning protection device of the utility model is without external back-up protection disconnector, a large amount of alternate device interface is omitted
Cable connection has not only saved a large amount of installation space and installation cost, while brief easily line makes electrical resistance substantially
It reduces, so that residual voltage in surge heavy current impact is down to extremely low, significantly reduces voltage protection level, improve power supply
The safe operation index of system.
MOV deterioration failure alarm built in the utility model and the dual remote signalling switch of fuse blows alarm and field failure
There is fault remote to monitor remote signaling function for instruction.
The dismountable structure of the fuse module of the utility model, can after a failure, and in-situ processing is safer, replaces device
It is more convenient, it resumes operation more rapidly.
Detailed description of the invention
Fig. 1 is the circuit diagram of integrated back-up protection lightning protection for power supply；
Fig. 2 is the equivalent schematic of inductance vector module；
Fig. 3 a is the structural schematic diagram that low short-circuit setting valve crosses flow fuse；
Fig. 3 b is the reset condition figure that low short-circuit setting valve crosses flow fuse；
Fig. 3 c is the blown state figure that low short-circuit setting valve crosses flow fuse；
Fig. 4 a is the structural schematic diagram that high short-circuit setting valve crosses flow fuse；
Fig. 4 b is the schematic diagram of internal structure of Fig. 4 a；
Fig. 5 is the structural schematic diagram of integrated back-up protection lightning protection for power supply.
Specific embodiment
To be clearer and more comprehensible the utility model, hereby with preferred embodiment, and attached drawing is cooperated to be described in detail below.
The utility model is integrated back-up protection lightning protection for power supply, as shown in Figure 1, its circuit structure includes back-up protection
Power input 1, circuit structure include back-up protection power input 1, and back-up protection power input 1 is separately connected inductance arrow
One end of flow fuse 3 is crossed in one end and high short-circuit setting valve for measuring module 2, and the other end of inductance vector module 2 connects low short circuit
Setting valve crosses one end of flow fuse 4, and the both ends that low short circuit setting valve crosses flow fuse 4 are parallel with capacitive filtering function
High frequency capacitor 7, the side that low short circuit setting valve crosses flow fuse 4 are equipped with the remote signalling switch 5 simultaneously acted on, and high short circuit is whole
The other end that definite value crosses flow fuse 3 is connect with one end of discharge-type switching tube 6, and low short circuit setting valve crosses the another of flow fuse 4
The other end of one end and discharge-type switching tube 6 is separately connected one end of surge protector 8, the other end of surge protector 8 with connect
Ground terminal 9 connects.
Back-up protection power input 1 is divided into two-way according to input current: power current all the way, with inductance vector module
2 can stop surge current, pass through power current；It allows the low short-circuit setting valve of power current access to cross flow fuse 4, executes overcurrent and protect
Shield；Low short circuit setting valve, which crosses flow fuse 4 again, has fusing instruction pogo stick, acts on simultaneously with remote signalling switch 5, executes remote signalling report
It is alert；For prevent part shunt lightning surge cause to malfunction, and configure have capacitive filtering function high frequency capacitor 7 with it is low
It is in parallel that short-circuit setting valve crosses flow fuse 4；It is then connected to the end PI of surge protector 8, finally by the end PII of surge protector 8
Output.Another way surge current crosses flow fuse 3 via high short-circuit setting valve, concatenates, be then connected to discharge-type switching tube 6
The end PI of surge protector 8 is finally exported by the end PII of surge protector 8.Two-way back-up protection current channel converges output and connects
Connect ground terminal 9.The ground terminal 9 of lightning protection for power supply connects power supply N-terminal or the end safety ground PE by Specification Design.
When the utility model realization ensures normal lightning protection, the safe aerial drainage of lightning surge electric current passes through；Power frequency is occurring
It cuts off the power in time when high and low value short circuit current failure, prevents blast accident, after composition has integrated fuse target formula
Power lightning protection surge protector (SPD) product important document of standby protection.
As shown in Fig. 2, being the equivalent schematic of inductance vector module 2, its main feature is that being designed according to the characteristic of thunder-strike current
The high Q inductor of the low distributed capacitance parameter of configuration realizes that lightning current blocks.
It is the fuse indicated with dual fusing, specified 3A that the low short-circuit setting valve of the utility model, which crosses flow fuse 4,
The protection feature of blowout current；And have fusing instruction pogo stick and remote signalling switch shift lever 48, complete integrated fuse back-up protection
Lightning protection for power supply fusing scene and fault remote warning function.
As shown in Fig. 3 a- Fig. 3 c, the working principle that low short circuit setting valve crosses flow fuse 4 is as follows:
Low short circuit setting valve is crossed flow fuse 4 and is clamped in fixed clamping frame, and is placed in integrated lightning protection device shell
It is interior.Low short circuit setting valve is crossed flow fuse 4 and is referred to by fusible link tube body 41, fuse 44, conductive top cap 43, conductive bottom cap 42 and fusing
Show that pogo stick 47 forms；It includes fusible link tube body 41 that low short circuit setting valve, which crosses flow fuse 4, and the top of fusible link tube body 41, which is equipped with, leads
Electric top cap 43, the bottom of fusible link tube body 41 are equipped with conductive bottom cap 42, and the middle position in fusible link tube body 41 is fixed with one
Energy-stored spring 46, energy-stored spring 46 are equipped with the fusing instruction pogo stick 47 that can move up and down above, and fusing instruction pogo stick 47 is set to
In fusible link tube body 41, fusing instruction pogo stick 47 top be fixed in conductive top cap 43, fusing instruction pogo stick 47 bottom with
One end of fuse 44 connects, and the other end of fuse 44 passes through energy-stored spring 46 and connect with conductive bottom cap 42.In fusible link tube body 41
It is inoculated with arc extinguishing quartz sand 45, arc extinguishing quartz sand 45 is set to 46 lower section of energy-stored spring.
Low short circuit setting valve crosses flow fuse 4 normally when not being blown, after fusing instruction pogo stick 47 is drawn by fuse 44
It is pressed on energy-stored spring 46, fusing instruction pogo stick 47 is fixed in conductive top cap 43.When low short-circuit setting valve is crossing flow fuse 4 just
When Chang Wei is blown, fusing instruction pogo stick 47 is fixed on inside conductive top cap 43 by fuse 44, attonity, also, conducting top
Cap 43, fuse 44 and conductive bottom cap 42 form the galvanic circle that low short-circuit setting valve crosses flow fuse 4.It fuses when fuse 44 overloads
When, fusing instruction pogo stick 47 is released, and cuts off galvanic circle, and fusing instruction pogo stick 47 acts, stretches out outside lightning protection device shell W, be
Malfunction coefficient, while touching remote signalling switch and issuing failure remote signalling number.
As shown in Fig. 4 a, Fig. 4 b, it includes sleeve 32, sleeve that the short-circuit setting valve of height in the utility model, which crosses flow fuse 3,
32 both ends are respectively equipped with upper cover 31 and lower cover 33, are connected between upper cover 31 and lower cover 33 by multiply section alloy fuse 34,
Sleeve 32 is sheathed on the outside of multiply section alloy fuse 34.Arc extinguishing quartz sand is inoculated in sleeve 32.
High short circuit setting valve crosses flow fuse 3 and uses multiply section alloy fuse 34, is imitated using the collection skin of high frequency lightning current
It answers, can ensure that lightning surge dash current safety.
Low short circuit setting valve crosses the fuse that flow fuse 4 is low adjusting ampere grade；High short circuit setting valve crosses flow fuse 3
For the thunder and lightning flow fuse of high-set setting ampere grade.
The utility model application vector module selects to match by lightning protection device MOV power frequency failure leakage current for reserve protection
The target of protection is closed, the control of low value short circuit setting valve is carried out with the dedicated overcurrent fuse function module of small ampere grade；Another special type
Discharge switch is bypassed in lightning surge crosses the other class protection of the big short circuit current of flow fuse progress by high level short circuit setting valve.?
The back-up protection electric appliance internal applications autocracy vector diverter module of lightning protection for power supply, it would be possible to by lightning surge electric current and work
Frequency electric current is divided into two paths, monitors respectively, realizes that the power frequency overcurrent for SPD precisely, is quickly protected, and lightning protection is effectively prevent
The generation of device blast accident.
The utility model is and C grades complete by the fuse device Combination Design to lightning protection device pedestal of target formula parameter control technology
It is whole that serial MOV plug-in module is composed one.The sufficiently flow direction of the huge surge current and power frequency continued flow of tradeoff lightning stroke
The strict demand of the insulation distance of interference, safe discharging gap and high pressure, well-designed, reasonable imposition layout remedies a drawback,
Reach compact-sized, simple installation, safe and reliable integrated lightning protection device infrastructure product.
As shown in figure 5, back-up protection power input 1 of the invention is connected to discharge-type switching tube 6 through the first copper bar a,
The short-circuit setting valve of height again through the second copper bar b and lower section is crossed flow fuse 3 and is connected, then is connected to surge by third copper bar c and protects
Protect the end PI on device 8.1 another way of back-up protection power input is crossed flow fuse 4 with low short-circuit setting valve by line and is connect,
Then it is connect with inductance vector module 2, inductance vector module 2 is in parallel with high frequency capacitor 7, then passes through third copper bar c access electricity
The end PI on surge protector 8.It is exported again by the end PII of surge protector 8, is connected to ground terminal 9 (PE) through copper bar.Low short circuit is whole
The side that definite value crosses flow fuse 4 is equipped with remote signalling switch 5, and remote signalling switch 5 connects remote signalling and controls conversion line plate 10, remote signalling control
Conversion line plate 10 connects remote signalling output port 11, and remote signalling switch 5, remote signalling control conversion line plate 10, remote signalling output port 11
And fusing instruction pogo stick 47 collectively forms dual fusing instruction warning function device.
The utility model is integrated to be protected with the fuse standby screened through the amplitude-frequency difference function of lightning protection device leakage current
Protect disconnector.It is itself to have using power frequency fault current as the target of target, shielding lightning surge impacts pulse high current of releasing, fast
Hidden danger in fast reliable elimination SPD operation, ensures the safety of low-voltage power supply system, anti-lightning strike, Anti-surging prevents SPD itself from firing
Lightning protection device that comprehensive back-up protection technology is equiped with arms and that there is the dual finger failure of fusing deterioration to show.
The utility model flows through the leakage current of lightning protection for power supply using lightning stroke and power grid power frequency supply flows through lightning protection device
The difference characteristic of failure power frequency continued flow quantifies identification, and setting shunt module combines, and realizes the back-up protection electric appliance of lightning protection for power supply
The standard of the double standards testing conditions of current-release.It is internal to be integrated in lightning protection device itself, has to screen and be released by lightning protection device
The amplitude-frequency difference function of electric current, the method for separating lightning surge electric current and the afterflow of power frequency failure, accurate otherness overcurrent of implementing are protected
Protect modular technology.
To ensure that lightning protection for power supply is basic from Wear mechanism under power frequency fault current, having will protect the utility model
Disengagement failure electric current maximum power current is the response for being set as being set as when 3 amperes, maximum limit SPD back-up protection in three to five seconds
The lightning protection surge protection of the integrated modular of condition.
The utility model relates to voltages to protect application field less than 1000 coucher frequency power lightning protection devices, and in particular to a kind of whole
The MOV power frequency failure afterflow for closing lightning protection device is to protect the SPD back-up protection of target, and exploitation carries out back-up protection with fuse
Integrated power supply lightning protection device technology, the technology are whole by target formula overcurrent protection fuse composite module and power supply MOV lightning protector module
The lightning protection surge protection part being integrated realizes and itself has accurate perfect, reliable and secure SPD back-up protection function
Novel power supply lightning protection device product technology.
The utility model realizes the SPD back-up protection dress at one using double fuse as the special device of overcurrent protection
The function of the overcurrent protection to two kinds of magnitudes of current that differ greatly is realized in setting.Guarantee to similar excessively electric by power supply transien
Pressure, SPD deterioration etc. cause power frequency failure and continue the defencive function implemented fusing in time when small ampere grade overcurrent, be detached from power grid,
It can not be malfunctioned in the case where normality impacts big value kiloampere grade electric current by lightning stroke again, avoid that fusing separation occurs.
The utility model application vector module, which is pressed, carries out branch control by the different of lightning protection device MOV electric current.With low short circuit
Setting valve is crossed flow fuse 4 and is managed to the small ampere grade leakage current of power frequency failure；It is another to cross flow fuse 3 with high short-circuit setting valve
Carry out the other class protection of the big short circuit current of lightning surge.Breach the item of the greatest differences in thunder-strike current and power frequency failure afterflow
The problem of the accurate protective equipment of SPD standby is realized under part.
Claims (9)
1. integrated back-up protection lightning protection for power supply, which is characterized in that its circuit structure includes back-up protection power input
(1), back-up protection power input (1) is separately connected one end of inductance vector module (2) and high short-circuit setting valve overcurrent fuses
One end of device (3), the low short-circuit setting valve of the other end connection of inductance vector module (2) cross one end of flow fuse (4), low short circuit
The both ends that setting valve crosses flow fuse (4) are parallel with the high frequency capacitor (7) with capacitive filtering function, low short circuit setting valve mistake
The side of flow fuse (4) is equipped with the remote signalling switch (5) simultaneously acted on, and high short circuit setting valve crosses the another of flow fuse (3)
One end is connect with the one end of discharge-type switching tube (6), and low short circuit setting valve crosses the other end of flow fuse (4) and discharge-type switchs
The other end of pipe (6) is separately connected one end of surge protector (8), and the other end of surge protector (8) and ground terminal (9) are even
It connects.
2. integration back-up protection lightning protection for power supply as described in claim 1, which is characterized in that the low short-circuit setting valve
Cross the fuse that flow fuse (4) are low adjusting ampere grade；It is high-set setting ampere grade that high short circuit setting valve, which crosses flow fuse (3),
Thunder and lightning flow fuse.
3. integration back-up protection lightning protection for power supply as described in claim 1, which is characterized in that the low short-circuit setting valve
The other end for crossing flow fuse (4) is connect with the end PI of surge protector (8)；Connect one end and the electricity of discharge-type switching tube (6)
The end PI of surge protector (8) connects；The end PII of surge protector (8) is connect with ground terminal (9).
4. integration back-up protection lightning protection for power supply as claimed in claim 1 or 3, which is characterized in that the ground terminal (9)
Connect power supply N-terminal or the end safety ground PE.
5. integration back-up protection lightning protection for power supply as described in claim 1, which is characterized in that the low short-circuit setting valve
Crossing flow fuse (4) includes fusible link tube body (41), and the top of fusible link tube body (41) is equipped with conductive top cap (43), cartridge fuse
The bottom of body (41) is equipped with conductive bottom cap (42), and the middle position in fusible link tube body (41) is fixed with an energy-stored spring
(46), energy-stored spring (46) is equipped with fusing instruction pogo stick (47) that can move up and down above, and fusing instruction pogo stick (47) is set to
In fusible link tube body (41), the top of fusing instruction pogo stick (47) is fixed on conductive top cap (43), fusing instruction pogo stick (47)
Bottom connect with one end of fuse (44), the other end of fuse (44) passes through energy-stored spring (46) and conductive bottom cap (42) even
It connects.
6. integration back-up protection lightning protection for power supply as claimed in claim 5, which is characterized in that the fusible link tube body
(41) it is inoculated with arc extinguishing quartz sand (45) in, arc extinguishing quartz sand (45) is set to below energy-stored spring (46).
7. integration back-up protection lightning protection for power supply as described in claim 1, which is characterized in that the short-circuit setting valve of the height
Crossing flow fuse (3) includes sleeve (32), and the both ends of sleeve (32) are respectively equipped with upper cover (31) and lower cover (33), upper cover (31) and
It is connected between lower cover (33) by multiply section alloy fuse (34), sleeve (32) is sheathed on multiply section alloy fuse (34)
Outside.
8. integration back-up protection lightning protection for power supply as claimed in claim 7, which is characterized in that filled in the sleeve (32)
There is arc extinguishing quartz sand.
9. integration back-up protection lightning protection for power supply as described in claim 1, which is characterized in that hardware configuration includes that standby is protected
It protects power input (1), back-up protection power input (1) is connected to discharge-type switching tube (6) through the first copper bar (a), then passes through
Second copper bar (b) is crossed flow fuse (3) with the short-circuit setting valve of the height of lower section and is connect, then is connected to surge by third copper bar (c)
The end PI on protector (8)；Back-up protection power input (1) another way crosses flow fuse by line and low short-circuit setting valve
(4) it connects, then connect with inductance vector module (2), inductance vector module (2) is in parallel with high frequency capacitor (7), then passes through the
Three copper bars (c) access the end PI on surge protector (8)；It is exported by the end PII of surge protector (8), is connected to through copper bar again
Ground terminal (9)；The side that low short circuit setting valve crosses flow fuse (4) is equipped with remote signalling switch (5), and remote signalling switchs (5) and connects remote signalling
It controls conversion line plate (10), remote signalling controls conversion line plate (10) connection remote signalling output port (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821518014.2U CN209029918U (en) | 2018-09-17 | 2018-09-17 | A kind of integration back-up protection lightning protection for power supply |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821518014.2U CN209029918U (en) | 2018-09-17 | 2018-09-17 | A kind of integration back-up protection lightning protection for power supply |
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| Publication Number | Publication Date |
|---|---|
| CN209029918U true CN209029918U (en) | 2019-06-25 |
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ID=66877688
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109245077A (en) * | 2018-09-17 | 2019-01-18 | 上海电科臻和智能科技有限公司 | Integrated back-up protection lightning protection for power supply |
| CN114188918A (en) * | 2021-12-07 | 2022-03-15 | 长沙润迅通信设备有限公司 | SPD degradation intelligent monitoring protection device and method |
-
2018
- 2018-09-17 CN CN201821518014.2U patent/CN209029918U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109245077A (en) * | 2018-09-17 | 2019-01-18 | 上海电科臻和智能科技有限公司 | Integrated back-up protection lightning protection for power supply |
| CN114188918A (en) * | 2021-12-07 | 2022-03-15 | 长沙润迅通信设备有限公司 | SPD degradation intelligent monitoring protection device and method |
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