CN105932637B - A kind of lightning protection of equipment room earthed system - Google Patents
A kind of lightning protection of equipment room earthed system Download PDFInfo
- Publication number
- CN105932637B CN105932637B CN201610446198.5A CN201610446198A CN105932637B CN 105932637 B CN105932637 B CN 105932637B CN 201610446198 A CN201610446198 A CN 201610446198A CN 105932637 B CN105932637 B CN 105932637B
- Authority
- CN
- China
- Prior art keywords
- earth leakage
- leakage protective
- protective air
- air switch
- lightning protection
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H3/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
- H02H3/26—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to difference between voltages or between currents; responsive to phase angle between voltages or between currents
- H02H3/32—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to difference between voltages or between currents; responsive to phase angle between voltages or between currents involving comparison of the voltage or current values at corresponding points in different conductors of a single system, e.g. of currents in go and return conductors
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H1/00—Details of emergency protective circuit arrangements
- H02H1/06—Arrangements for supplying operative power
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H3/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
- H02H3/14—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to occurrence of voltage on parts normally at earth potential
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H9/00—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection
- H02H9/04—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection responsive to excess voltage
- H02H9/06—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection responsive to excess voltage using spark-gap arresters
Abstract
The invention discloses a kind of lightning protection of equipment room earthed systems, and including earthed system and lightning-protection system, the earthed system includes varistor and lightning rod, and one end of the varistor is grounded, and the other end of the varistor connects the lightning rod;Lightning-protection system includes A grades of lightning protection devices, the first earth leakage protective air switch, B grades of lightning protection devices, the second earth leakage protective air switch, the 3rd earth leakage protective air switch, the 4th earth leakage protective air switch, the first C grades of lightning protection devices, the 2nd C grades of lightning protection devices, the 3rd C grades of lightning protection devices and multiple leakage circuit breakers; one end of A grades of lightning protection devices is connected with lightning rod; the other end of A grades of lightning protection devices is connected with one end of the first earth leakage protective air switch, and the other end of the first earth leakage protective air switch is grounded by B grades of lightning protection devices.Implement the lightning protection of equipment room earthed system of the present invention, have the advantages that:Lightning protection effect can be enhanced, improve computer room safety.
Description
Technical field
The present invention relates to computer room field, more particularly to a kind of lightning protection of equipment room earthed system.
Background technology
For lightning protection of equipment room and ground connection, it is contemplated that the interference of thunder and lightning or other telecommunication apparatus, computer floor should not be set
The top layer in Zhi buildings or by exterior wall side, special circumstances limitation, shielded layer should be set to prevent thunder and lightning from disturbing.For especially important
Computer system, be considered as setting independent shielding computer room.Building interior equipment and pipeline ground connection (including computer room)
Installation should be performed according to related specifications, carry out equipotential bonding.
Prevent thunder disaster from also answering anti-lightning strike caused electromagnetic pulse, the distribution box of computer floor should set SPD (anti-electromagnetism
Surge) protective device, prevent computer room power supply from causing to power off due to lightning strike electromagnetic pulse.In addition, for important system
Host, communication cable should also set SPD protective devices, since communication cable quantity generally compares more, the guarantor of connection
Shield sets and should rationally be set according to specific actual conditions;Computer room ground connection is generally divided into alternate current operation ground connection, DC operation ground connection, peace
Full working earthing and thunder proof protection ground.Existing lightning protection of equipment room earthed system all cannot good lightning protection, security is relatively low.
The content of the invention
The technical problem to be solved in the present invention is, for the prior art it is above-mentioned cannot well lightning protection, security compared with
The defects of low, provides a kind of lightning protection of equipment room earthed system that can enhance lightning protection effect, improve computer room safety.
The technical solution adopted by the present invention to solve the technical problems is:A kind of lightning protection of equipment room earthed system is constructed, including
Earthed system and lightning-protection system, the earthed system include varistor and lightning rod, and one end of the varistor is grounded, institute
The other end for stating varistor connects the lightning rod;The lightning-protection system includes A grades of lightning protection devices, the first earth leakage protective air is opened
Pass, B grades of lightning protection devices, the second earth leakage protective air switch, the 3rd earth leakage protective air switch, the 4th earth leakage protective air switch,
First C grades of lightning protection devices, the 2nd C grades of lightning protection devices, the 3rd C grades of lightning protection devices and multiple leakage circuit breakers, one end of the A grades of lightning protection device
It is connected with the lightning rod, the other end of the A grades of lightning protection device is connected with one end of the first earth leakage protective air switch, institute
The other end for stating the first earth leakage protective air switch is grounded by the B grades of lightning protection device, the first earth leakage protective air switch
The other end also with one end of the second earth leakage protective air switch, one end of the 3rd earth leakage protective air switch and the 4th leakage
One end connection of electric protection air switch, the other end, the 3rd earth leakage protective air of the second earth leakage protective air switch are opened
The other end of the other end of pass and the 4th earth leakage protective air switch is all connected with multiple leakage circuit breakers, second earth leakage protective
The other end of air switch is also grounded by the described first C grades of lightning protection devices, the other end of the 3rd earth leakage protective air switch
It is also grounded by the described 2nd C grades of lightning protection devices, the other end of the 4th earth leakage protective air switch is also by the described 3rd C grades
Lightning protection device is grounded.
In lightning protection of equipment room earthed system of the present invention, the other end of the second earth leakage protective air switch,
The leakage, breaking that the other end of three earth leakage protective air switches and the other end of the 4th earth leakage protective air switch are connected
The number of device is four.
In lightning protection of equipment room earthed system of the present invention, fire fighting monitoring device distribution box, the lightning-protection system are further included
Further include the 5th earth leakage protective air switch and the 4th C grades of lightning protection devices, one end of the 5th earth leakage protective air switch and institute
State the other end connection of the first earth leakage protective air switch, the other end of the 5th earth leakage protective air switch respectively with it is described
4th C grades of lightning protection devices are connected with fire fighting monitoring room distribution box.
In lightning protection of equipment room earthed system of the present invention, UPS (Uninterruptible Power are further included
System, uninterruptible power supply), distribution output counter and equipment light current well, the lightning-protection system further include the 6th earth leakage protective air
Switch and the 5th C grades of lightning protection devices, one end and the first earth leakage protective air switch of the 6th earth leakage protective air switch
Other end connection, the other end of the 6th earth leakage protective air switch respectively with the UPS and the 5th C grade lightning protection devices companies
It connects, the UPS is also connected by the distribution output counter with the equipment light current well.
In lightning protection of equipment room earthed system of the present invention, the model of the first earth leakage protective air switch use
CDM1-100L/3300-63A。
In lightning protection of equipment room earthed system of the present invention, the second earth leakage protective air switch, the 3rd electric leakage are protected
Protect air switch, the 4th earth leakage protective air switch, the 5th earth leakage protective air switch and the 6th earth leakage protective air switch institute
The model DZ47-63-C42 of use.
In lightning protection of equipment room earthed system of the present invention, be connected with the second earth leakage protective air switch described in
The model DZ47LE-C20 of leakage circuit breakers.
In lightning protection of equipment room earthed system of the present invention, leak electricity with the 3rd earth leakage protective air switch and the 4th
Protect the model DZ47LE-C16 of the leakage circuit breakers of air switch connection.
Implement the lightning protection of equipment room earthed system of the present invention, have the advantages that:Due to being provided with earthed system and preventing
Thunder system, lightning-protection system include A grades of lightning protection devices, the first earth leakage protective air switch, B grades of lightning protection devices, the second earth leakage protective air
Switch, the 3rd earth leakage protective air switch, the 4th earth leakage protective air switch, the first C grades of lightning protection devices, the 2nd C grades of lightning protection devices,
Three C grades of lightning protection device and multiple leakage circuit breakers, the first earth leakage protective air switch, the second earth leakage protective air switch, three leakages
Electric protection air switch and the 4th earth leakage protective air switch are to play protective effect compared with the electric current of big circuit, are predominantly detected
Short circuit in circuit and the overweight electric current of carrying, leakage circuit breakers is to generate protective effect compared with small circuit, is predominantly detected
The safety of line facility, protection human-body safety and equipment, A grades of lightning protection devices, B grades of lightning protection devices, the first C grades of lightning protection devices, the 2nd C grades
Lightning protection device and the 3rd C grades of lightning protection devices can prevent the damage of the equipment in being struck by lightning, so it can enhance lightning protection effect, improve computer room
Security.
Description of the drawings
It in order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is attached drawing needed in technology description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention, for those of ordinary skill in the art, without having to pay creative labor, may be used also
To obtain other attached drawings according to these attached drawings.
Fig. 1 is the structure diagram in lightning protection of equipment room earthed system one embodiment of the present invention.
Specific embodiment
Below in conjunction with the attached drawing in the embodiment of the present invention, the technical solution in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other without making creative work
Embodiment belongs to the scope of protection of the invention.
In lightning protection of equipment room earthed system embodiment of the present invention, structure diagram such as Fig. 1 of the lightning protection of equipment room earthed system
It is shown.In Fig. 1, the lightning protection of equipment room earthed system include earthed system and lightning-protection system, earthed system include varistor R1 and
Lightning rod B1, varistor R1 are mainly used for carrying out voltage clamping when circuit bears overvoltage, absorb extra electric current to protect
Sensitive Apparatus, one end ground connection of varistor R1, the other end connection lightning rod B1 of varistor R1.
In the present embodiment, lightning-protection system includes S1, B grades of A grades of lightning protection device F1, the first earth leakage protective air switch lightning protection devices
F2, the second earth leakage protective air switch S2, the 3rd earth leakage protective air switch S3, the 4th earth leakage protective air switch S4, the first C
Grade lightning protection device F3, the 2nd C grades of lightning protection device F4, the 3rd C grades of lightning protection device F5 and multiple leakage circuit breakers, wherein, A grades of lightning protection device F1's
One end is connected with lightning rod B1, and the other end of A grades of lightning protection device F1 is connected with one end of the first earth leakage protective air switch S1, and first
The other end of earth leakage protective air switch S1 is grounded by B grades of lightning protection device F2, the other end of the first earth leakage protective air switch S1
It is also empty with one end of the second earth leakage protective air switch S2, one end of the 3rd earth leakage protective air switch S3 and the 4th earth leakage protective
One end connection of air cock S4, the other end of the second earth leakage protective air switch S2, the 3rd earth leakage protective air switch S3 it is another
The other end of one end and the 4th earth leakage protective air switch S4 are all connected with multiple leakage circuit breakers, the second earth leakage protective air switch
For the other end of S2 also by the first C grades of lightning protection device F3 ground connection, the other end of the 3rd earth leakage protective air switch S3 also passes through the 2nd C
Grade lightning protection device F4 ground connection, the other end of the 4th earth leakage protective air switch S4 also pass through the 3rd C grades of lightning protection device F5 ground connection.
In the present embodiment, the first earth leakage protective air switch S1, the second earth leakage protective air switch S2, the 3rd earth leakage protective
Air switch S3 and the 4th earth leakage protective air switch S4 is to play protective effect compared with the electric current of big circuit, predominantly detects line
Short circuit in road and the overweight electric current of carrying, leakage circuit breakers is to generate protective effect compared with small circuit, predominantly detects line
The safety of pipeline equipment, protection human-body safety and equipment, in terms of tripping, the first earth leakage protective air switch S1, the second electric leakage
It is by firewire and zero to protect air switch S2, the 3rd earth leakage protective air switch S3 and the 4th earth leakage protective air switch S4
Line, may result in tripping if line-to-line electric current is too big, and leak electricity short-circuit device is for no other reason than that firewire, and human contact's firewire will be with
Ground forms a circuit, will feel automatically so as to cause the device of the inside, achieve the purpose that tripping, play the work of protection
With.F1, B grades of lightning protection device F2 of A grades of lightning protection devices, the first C grades of lightning protection device F3, the 2nd C grades of lightning protection device F4 and the 3rd C grades of lightning protection device F5 can
The damage of the equipment in being struck by lightning is prevented, so it can enhance lightning protection effect, improve computer room safety.
It is noted that in the present embodiment, the model CDM1-100L/ of the first earth leakage protective air switch S1 uses
3300-63A.Certainly, under some cases of the present embodiment, the first earth leakage protective air switch S1 can also use its alloytype
Number.
In the present embodiment, the other end of the second earth leakage protective air switch S2, the 3rd earth leakage protective air switch S3 it is another
The number for the leakage circuit breakers that the other end of one end and the 4th earth leakage protective air switch S4 are connected is four.The present embodiment
In, the model DZ47LE-C20 with the second earth leakage protective air switch S2 leakage circuit breakers being connected.With the 3rd earth leakage protective
The model DZ47LE-C16 of air switch S3 and the leakage circuit breakers of the 4th earth leakage protective air switch S4 connections.
In the present embodiment, which further includes fire fighting monitoring device distribution box, and lightning-protection system further includes
Five earth leakage protective air switch S5 and the 4th C grades of lightning protection device F6, one end of the 5th earth leakage protective air switch S5 and the first electric leakage
Protect the other end connection of air switch S1, the other end of the 5th earth leakage protective air switch S5 respectively with the 4th C grades of lightning protection devices
F6 is connected with fire fighting monitoring room distribution box.
In the present embodiment, which further includes UPS, distribution output counter and equipment light current well, and UPS, which is used, to be worked as
Exterior power supply can provide power supply after having a power failure for follow-up electrical equipment, can provide stable, continual supply of electric power, usually right
Overtension or brownout can provide protection.Lightning-protection system further includes the 6th earth leakage protective air switch S6 and the 5th C grades
Lightning protection device F7, one end of the 6th earth leakage protective air switch S6 are connected with the other end of the first earth leakage protective air switch S1, the
The other end of six earth leakage protective air switch S6 is connected respectively with UPS and the 5th C grades of lightning protection device F7, and UPS is also by matching somebody with somebody electricity output
Cabinet is connected with equipment light current well.
It is noted that in the present embodiment, the second earth leakage protective air switch S2, the 3rd earth leakage protective air switch
S3, the 4th earth leakage protective air switch S4, the 5th earth leakage protective air switch S5 and the 6th earth leakage protective air switch S6 are adopted
Model DZ47-63-C42.
In short, in the present embodiment, which has been compatible with earthed system and lightning-protection system, while also simultaneous
UPS electric power systems are held, have used the lightning protection device of three kinds of grades, lightning protection effect is more preferable, also increases the security of computer room.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
With within principle, any modifications, equivalent replacements and improvements are made should all be included in the protection scope of the present invention god.
Claims (8)
1. a kind of lightning protection of equipment room earthed system, which is characterized in that including earthed system and lightning-protection system, the earthed system includes
Varistor and lightning rod, one end ground connection of the varistor, the other end of the varistor connect the lightning rod;Institute
State lightning-protection system include A grades of lightning protection devices, the first earth leakage protective air switch, B grades of lightning protection devices, the second earth leakage protective air switch,
3rd earth leakage protective air switch, the 4th earth leakage protective air switch, the first C grades of lightning protection devices, the 2nd C grades of lightning protection devices, the 3rd C grades
Lightning protection device and multiple leakage circuit breakers, one end of the A grades of lightning protection device are connected with the lightning rod, the A grades of lightning protection device it is another
One end is connected with one end of the first earth leakage protective air switch, and the other end of the first earth leakage protective air switch passes through
The B grades of lightning protection device ground connection, the other end of the first earth leakage protective air switch are also opened with the second earth leakage protective air
One end of pass, one end of the 3rd earth leakage protective air switch are connected with one end of the 4th earth leakage protective air switch, and described second
The other end of earth leakage protective air switch, the other end of the 3rd earth leakage protective air switch and the 4th earth leakage protective air switch
The other end is all connected with multiple leakage circuit breakers, and the other end of the second earth leakage protective air switch is also by the described first C grades
Lightning protection device is grounded, and the other end of the 3rd earth leakage protective air switch is also by the described 2nd C grade lightning protection devices ground connection, and described the
The other end of four earth leakage protective air switches is also grounded by the described 3rd C grades of lightning protection devices.
2. lightning protection of equipment room earthed system according to claim 1, which is characterized in that the second earth leakage protective air switch
The institute that is connected of the other end, the other end of the 3rd earth leakage protective air switch and the other end of the 4th earth leakage protective air switch
The number for stating leakage circuit breakers is four.
3. lightning protection of equipment room earthed system according to claim 2, which is characterized in that fire fighting monitoring device distribution box is further included,
The lightning-protection system further includes the 5th earth leakage protective air switch and the 4th C grades of lightning protection devices, and the 5th earth leakage protective air is opened
One end of pass is connected with the other end of the first earth leakage protective air switch, the 5th earth leakage protective air switch it is another
End is connected respectively with the described 4th C grades of lightning protection devices and fire fighting monitoring room distribution box.
4. lightning protection of equipment room earthed system according to claim 3, which is characterized in that further include UPS, distribution output counter and set
Standby light current well, the lightning-protection system further include the 6th earth leakage protective air switch and the 5th C grades of lightning protection devices, and the 6th electric leakage is protected
One end of shield air switch is connected with the other end of the first earth leakage protective air switch, and the 6th earth leakage protective air is opened
The other end of pass is connected respectively with the UPS and the 5th C grades of lightning protection devices, the UPS also by the distribution output counter with it is described
Equipment light current well connects.
5. lightning protection of equipment room earthed system according to claim 1, which is characterized in that the first earth leakage protective air switch
The model CDM1-100L/3300-63A of use.
6. lightning protection of equipment room earthed system according to claim 4, which is characterized in that the second earth leakage protective air is opened
Pass, the 3rd earth leakage protective air switch, the 4th earth leakage protective air switch, the 5th earth leakage protective air switch and the 6th electric leakage are protected
Model DZ47-63-C42 used by shield air switch.
7. lightning protection of equipment room earthed system according to claim 1, which is characterized in that opened with the second earth leakage protective air
Correlate the model DZ47LE-C20 of the leakage circuit breakers connect.
8. lightning protection of equipment room earthed system according to claim 1, which is characterized in that opened with the 3rd earth leakage protective air
Close the model DZ47LE-C16 of the leakage circuit breakers connected with the 4th earth leakage protective air switch.
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CN201610446198.5A CN105932637B (en) | 2016-06-20 | 2016-06-20 | A kind of lightning protection of equipment room earthed system |
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CN105932637B true CN105932637B (en) | 2018-05-25 |
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CN202749809U (en) * | 2012-07-12 | 2013-02-20 | 上海中铁通信信号国际工程有限公司 | Lightning protection system of communication base station |
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CN204597473U (en) * | 2015-04-05 | 2015-08-26 | 胡清桂 | The indoor 7 grades of lightning-protection systems of a kind of network center machine room |
CN105024342A (en) * | 2014-04-27 | 2015-11-04 | 章五明 | Lightning protection single-phase leakage protector |
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JP5399856B2 (en) * | 2009-10-21 | 2014-01-29 | パナソニック株式会社 | Lightning arrestor |
CN105591376B (en) * | 2016-01-26 | 2018-03-06 | 成都标定科技有限责任公司 | B+C type surge protective device of three-phase power supply |
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JP3420702B2 (en) * | 1998-06-18 | 2003-06-30 | 日本電信電話株式会社 | Lightning protection circuit for communication equipment |
CN202026086U (en) * | 2011-03-17 | 2011-11-02 | 广州市汇源通信建设监理有限公司 | Lightningproof base station earthing device |
CN202749809U (en) * | 2012-07-12 | 2013-02-20 | 上海中铁通信信号国际工程有限公司 | Lightning protection system of communication base station |
CN105024342A (en) * | 2014-04-27 | 2015-11-04 | 章五明 | Lightning protection single-phase leakage protector |
CN204156523U (en) * | 2014-11-18 | 2015-02-11 | 合肥中能电力科技有限公司 | A kind of lightning protection system about machine room |
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