CN203545666U - Centralized electromagnetic pulse protection monitor - Google Patents
Centralized electromagnetic pulse protection monitor Download PDFInfo
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- CN203545666U CN203545666U CN201320753993.0U CN201320753993U CN203545666U CN 203545666 U CN203545666 U CN 203545666U CN 201320753993 U CN201320753993 U CN 201320753993U CN 203545666 U CN203545666 U CN 203545666U
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- 238000012544 monitoring process Methods 0.000 claims abstract description 18
- 230000001012 protector Effects 0.000 claims abstract description 10
- 230000001681 protective effect Effects 0.000 claims description 78
- 239000000446 fuel Substances 0.000 claims description 38
- 238000000926 separation method Methods 0.000 claims description 28
- 239000007788 liquid Substances 0.000 abstract 2
- 239000004973 liquid crystal related substance Substances 0.000 abstract 1
- 238000013461 design Methods 0.000 description 7
- APTZNLHMIGJTEW-UHFFFAOYSA-N pyraflufen-ethyl Chemical compound C1=C(Cl)C(OCC(=O)OCC)=CC(C=2C(=C(OC(F)F)N(C)N=2)Cl)=C1F APTZNLHMIGJTEW-UHFFFAOYSA-N 0.000 description 7
- 238000000034 method Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 239000012141 concentrate Substances 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 208000025274 Lightning injury Diseases 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000008054 signal transmission Effects 0.000 description 2
- 229910000926 A-3 tool steel Inorganic materials 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 230000001052 transient effect Effects 0.000 description 1
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Abstract
The utility model discloses a centralized electromagnetic pulse protection monitor. An oiling machine protector protects oiling machine signals, a liquid level instrument protector protects liquid level instrument signals, a network port protector protects network signals, a monitoring protector protects monitoring video signals, a power protector protects a filling station information system alternating current power source, the work states and the electromagnetic pulse generation conditions of the protectors are detected, and the signals are input into a signal processor and then monitored by a liquid crystal display screen after being processed by the signal processor. The centralized electromagnetic pulse protection monitor can protect the signals of a lot of devices effectively and meet the protection requirement of a filling station management system.
Description
Technical field
The utility model relates to petrol service station guard technology field, relates in particular a kind of concentrated Spark gap monitor.
Background technology
Along with the raising of the automatization level of filling station, the signal protection of each equipment of filling station is just seemed to extremely important.
Filling station management system is installed general Protection Product conventionally at present, and general Protection Product parameter can not meet the requirement of shelter of filling station management system, as, discharge capacity is excessive, and residual voltage is too high.Filling station management system belongs to distributed information system simultaneously; general Protection Product is only protected for the signal of some equipment; at aspects such as electromagnetic screening, electromagnetic compatibility, electromagnetic energy cooperations, do not carry out integral body and concentrate consideration, be difficult to play actv. protective action.
In sum, in prior art, not yet there is the protection special product of developing and developing for filling station management system.
Utility model content
In view of this, the utility model provides a kind of concentrated Spark gap monitor, so that it meets the protection requirements of filling station management system.
For achieving the above object, the utility model provides following technical scheme:
A concentrated Spark gap monitor, is applied to filling station management system, comprising:
Signal processor;
One end is connected with fuel charger signal input port, the fuel charger guard that the other end is connected with described signal processor and described filling station management system;
One end is connected with tank gage signal input port, the tank gage guard that the other end is connected with described signal processor and described filling station management system;
One end is connected with network signal input port, the network port guard that the other end is connected with described signal processor and described filling station management system;
One end is connected with monitor video signal input port, the monitoring guard that the other end is connected with described signal processor and described filling station management system;
One end is connected with power supply signal input port, the power supply device that the other end is connected with described signal processor and described filling station management system;
Be connected with described signal processor, for showing the LCDs of the mode of operation of described power supply device, described tank gage guard, described network port guard, described control monitor unit guard and described fuel charger guard.
Preferably, described concentrated Spark gap monitor, also comprises:
The air switch being connected with described power supply device.
Preferably, described concentrated Spark gap monitor, also comprises:
Carry the adapter plate of described power supply device and described air switch.
Preferably, described concentrated Spark gap monitor, also comprises:
Carry the supporting plate of described fuel charger signal input port, described tank gage signal input port, described network signal input port, described monitor video signal input port and described power supply signal input port.
Preferably, described concentrated Spark gap monitor, also comprises:
The casing of described signal processor, described fuel charger guard, described tank gage guard, described network port guard, described monitoring guard, described power supply device, described LCDs, described air switch, described adapter plate and described supporting plate is installed.
Preferably, described fuel charger guard comprises:
Input end connects described fuel charger signal output part, the first prime protective circuit of ground terminal ground connection;
Input end connects the mouth of described the first prime protective circuit, the first protective separation circuit of ground terminal ground connection;
Input end connects the mouth of described the first protective separation circuit, ground terminal ground connection, and mouth connects the first rear class protective circuit of described signal processor and described filling station management system.
Preferably, described tank gage guard comprises:
Input end connects described tank gage signal input port, the second prime protective circuit of ground terminal ground connection;
Input end connects the mouth of described the second prime protective circuit, the second protective separation circuit of ground terminal ground connection;
Input end connects the mouth of described the second protective separation circuit, ground terminal ground connection, and mouth connects the second rear class protective circuit of described signal processor and described filling station management system.
Preferably, described network port guard comprises:
Input end connects described network signal input port, the 3rd prime protective circuit of ground terminal ground connection;
Input end connects the mouth of described the 3rd prime protective circuit, the 3rd protective separation circuit of ground terminal ground connection;
Input end connects the mouth of described the 3rd protective separation circuit, ground terminal ground connection, and mouth connects the 3rd rear class protective circuit of described signal processor and described filling station management system.
Preferably, described monitoring guard comprises:
Input end connects described monitor video signal input port, the 4th prime protective circuit of ground terminal ground connection;
Input end connects the mouth of described the 4th prime protective circuit, the 4th protective separation circuit of ground terminal ground connection;
Input end connects the mouth of described the 4th protective separation circuit, ground terminal ground connection, and mouth connects the 4th rear class protective circuit of described signal processor and described filling station management system.
Preferably, described power supply device comprises:
Single phase poaer supply parallel connection type Surge Protector.
Known via above-mentioned technical scheme, compared with prior art, the utility model openly provides a kind of concentrated Spark gap monitor, by fuel charger guard, fuel charger signal is protected, tank gage guard protects tank gage signal, network port guard protects network signal, monitoring guard protects monitor video signal, power supply device protects source of AC, and by each guard mode of operation and electromagnetic pulse a situation arises input input signal processor, after signal processor processes, by LCDs, monitored.Above-mentioned concentrated Spark gap monitor can effectively protect the signal of a plurality of equipment, and detects each guard mode of operation, electromagnetic pulse generation intensity, time and statistics, meets the protection requirements of filling station management system.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is only embodiment of the present utility model, for those of ordinary skills, do not paying under the prerequisite of creative work, other accompanying drawing can also be provided according to the accompanying drawing providing.
Fig. 1 is the disclosed a kind of concentrated Spark gap monitor concrete structure schematic diagram of the utility model embodiment mono-;
Fig. 2 is that the disclosed another kind of the utility model embodiment bis-is concentrated Spark gap monitor concrete structure schematic diagram;
Fig. 3 is that the disclosed another kind of the utility model embodiment tri-is concentrated Spark gap monitor concrete structure schematic diagram.
The specific embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is only the utility model part embodiment, rather than whole embodiment.Embodiment based in the utility model, those of ordinary skills are not making the every other embodiment obtaining under creative work prerequisite, all belong to the scope of the utility model protection.
From background technology, in prior art, not yet there is the protection special product of developing and developing for filling station management system, filling station management system is installed the general Protection Product only with single signal protective action, can not play effective protective action to filling station management system.
The utility model embodiment discloses a kind of concentrated Spark gap monitor, by fuel charger guard to fuel charger signal protect, tank gage guard to tank gage signal protect, network port guard to network signal protect, monitor guard to monitor video signal protect, power supply device protects power supply signal, and by each signal input signal processor after protection, after signal processor processes, by LCDs, monitored.Above-mentioned concentrated Spark gap monitor can effectively protect the signal of a plurality of equipment, meets the protection requirements of filling station management system.
Concrete structure and function relevant for above-mentioned concentrated Spark gap monitor realize and will be elaborated by following examples.
Embodiment mono-
Referring to accompanying drawing 1, is the disclosed a kind of concentrated Spark gap monitor concrete structure schematic diagram of the utility model embodiment, and this concentrated Spark gap monitor is applied to filling station management system, and it comprises:
One end is connected with fuel charger signal input port A1, the fuel charger guard 11 that the other end is connected with described signal processor 10 and described filling station management system;
One end is connected with tank gage signal input port A2, the tank gage guard 12 that the other end is connected with described signal processor 10 and described filling station management system;
One end is connected with network signal input port A3, the network port guard 13 that the other end is connected with described signal processor 10 and described filling station management system;
One end is connected with monitor video signal input port A4, the monitoring guard 14 that the other end is connected with described signal processor 10 and described filling station management system;
One end is connected with power supply signal input port A5 and described filling station management system, the power supply device 15 that the other end is connected with described signal processor 10;
Be connected with described signal processor 10, for showing the LCDs 16 of the mode of operation of described power supply device 11, described tank gage guard 12, described network port guard 13, described control monitor unit guard 14 and described fuel charger guard 15.
The utility model embodiment mono-discloses a kind of concentrated Spark gap monitor, by fuel charger guard to fuel charger signal protect, tank gage guard to tank gage signal protect, network port guard to network signal protect, monitor guard to monitor video signal protect, power supply device protects power supply signal, and by each signal input signal processor after protection, after signal processor processes, by LCDs, monitored.Above-mentioned concentrated Spark gap monitor can effectively protect the signal of a plurality of equipment, meets the protection requirements of filling station management system.
Embodiment bis-
Refer to accompanying drawing 2, for the disclosed another kind of the utility model embodiment bis-, concentrate Spark gap monitor concrete structure schematic diagram, this concentrated Spark gap monitor is applied to filling station management system, and it comprises:
Input end connects described fuel charger signal output part A1, the first prime protective circuit 110 of ground terminal ground connection.
Input end connects the mouth of described prime protective circuit 11, the first protective separation circuit 111 of ground terminal ground connection.
Input end connects the mouth of described the first protective separation circuit 111, ground terminal ground connection, and mouth connects the first rear class protective circuit 112 of described signal processor 10 and described filling station management system.
It should be noted that; described the first prime protective circuit 110, described the first protective separation circuit 111 and described the first rear class protective circuit 112 have constituted fuel charger guard; it can divide multi-stage protection measure to design, and has the function of mode of operation fault alarm, common mode, differential mode protection.
Input end connects described tank gage signal input port A2, the second prime protective circuit 120 of ground terminal ground connection.
Input end connects the mouth of described the second prime protective circuit 120, the second protective separation circuit 121 of ground terminal ground connection.
Input end connects the mouth of described the second protective separation circuit 121, ground terminal ground connection, and mouth connects the second rear class protective circuit 122 of described signal processor 10 and described filling station management system.
It should be noted that; described the second prime protective circuit 120, described the second protective separation circuit 121 and described the second rear class protective circuit 122 have constituted tank gage guard; it can divide multi-stage protection measure to design, and has the function of mode of operation fault alarm, common mode, differential mode protection.
Input end connects described network signal input port A3, the 3rd prime protective circuit 130 of ground terminal ground connection.
Input end connects the mouth of described the 3rd prime protective circuit 130, the 3rd protective separation circuit 131 of ground terminal ground connection.
Input end connects the mouth of described the 3rd protective separation circuit 131, ground terminal ground connection, and mouth connects the 3rd rear class protective circuit 132 of described signal processor and described filling station management system.
It should be noted that; described the 3rd prime protective circuit 130, described the 3rd protective separation circuit 131 and described the 3rd rear class protective circuit 132 have constituted network port guard; it can divide multi-stage protection measure to design, and has the function of mode of operation fault alarm, common mode, differential mode protection.
Input end connects described monitor video signal input port A4, the 4th prime protective circuit 140 of ground terminal ground connection.
Input end connects the mouth of described the 4th prime protective circuit 140, the 4th protective separation circuit 141 of ground terminal ground connection.
Input end connects the mouth of described the 4th protective separation circuit 141, ground terminal ground connection, and mouth connects the 4th rear class protective circuit 142 of described signal processor and described filling station management system.
It should be noted that; described the 4th prime protective circuit 140, described the 4th protective separation circuit 141 and described the 4th rear class protective circuit 142 have constituted monitoring guard; it can divide multi-stage protection measure to design, and has the function of mode of operation fault alarm, common mode, differential mode protection.
Single phase poaer supply parallel connection type Surge Protector 150.
It should be noted that described single phase poaer supply parallel connection type Surge Protector 150 is power supply device, it has the functions such as deteriorated indication, sound and light alarm, communication output.
Be connected with described signal processor 10, for showing the LCDs of the mode of operation of described power supply device, described tank gage guard, described network port guard, described control monitor unit guard and described fuel charger guard.
It should be noted that, user can see the mode of operation situation of current all protective units on LCDs, if there is certain protective unit to lose efficacy, on LCDs, corresponding round dot can become redness from green, and " normally " becomes " inefficacy ".In addition, on the display interface of LCDs, can also show time, thunderbolt intensity that all number of lightning strokes and the last thunderbolt occur, while checking thunderbolt details, click " checking thunderbolt record " button and can enter query interface, which that user can select to check voluntarily time period or click " this month ", " current season " etc. the corresponding button, can check the thunderbolt record detail that the corresponding time period occurs, in thunderbolt, record the detailed page, if current page has not shown, can check by " nextpage " or " upper page ".
The utility model embodiment bis-discloses a kind of concentrated Spark gap monitor, by fuel charger guard to fuel charger signal protect, tank gage guard to tank gage signal protect, network port guard to network signal protect, monitor guard to monitor video signal protect, power supply device protects power supply signal, and by each signal input signal processor after protection, after signal processor processes, by LCDs, monitored.Above-mentioned concentrated Spark gap monitor can effectively protect the signal of a plurality of equipment, meets the protection requirements of filling station management system.
Above-described embodiment has been described emphatically the basic composition of the disclosed concentrated Spark gap monitor of the utility model, and corresponding function, on the basis of above-described embodiment, the invention also discloses a kind of complete structure that has, concentrated Spark gap monitor that can place in operation, will be elaborated by following examples below.
Embodiment tri-
Refer to accompanying drawing 3, for the disclosed another kind of the utility model embodiment tri-, concentrate Spark gap monitor, this concentrated Spark gap monitor is applied to filling station management system, and it specifically comprises:
Arrow 2 indications are shown this product LCD display section, Main Function: the real time operation state that shows current all signal transmission lines, and be recorded to the maximum surge amplitude that is recorded to so far, also can inquire about number of lightning strokes, amplitude by monthly, season, year.
Arrow 3 indications are shown this product B NC video monitoring and tank gage guard section; the monitoring camera that has 4 road BNC connectors; the tank gage signal line of 4 tunnel cradle head control and 8 tunnel 2 line systems; its Main Function: on protection video monitoring, cradle head control and tank gage signal transmission line because being struck by lightning or the interference to signal of surge voltage that other reasons produces; thereby reach the object of protection rear class equipment; shell is 1U standard PC case, is directly fixed on the housing main body of arrow 1 indication.
Arrow 4, arrow 5 indications are shown this product fuel charger guard section; by 8 fuel chargers, 16 nozzle signal linees; its Main Function: protection nozzle signal is because being struck by lightning or the interference to fuel charger fueling signal of surge voltage that other reasons produces; shell is 1U standard PC case, is directly fixed on the housing main body of arrow 1 indication.
Arrow 7 indications are shown this product RJ45 port fuel charger guard section; by 4 fuel chargers, 8 nozzle signal linees; its Main Function: protection nozzle signal is because being struck by lightning or the interference to fuel charger fueling signal of surge voltage that other reasons produces; shell is 1U standard PC case, is directly fixed on the housing main body of arrow 1 indication.
Arrow 8 indications are shown this product single phase poaer supply lightning protection device part, by the design of symmetrical 1+1 type, can be widely used in various electric occasions, at LPZ0, in the switching arrangement in LPZ1 district, use, and can prevent that electrical equipment is below subject to the damage of thunderbolt and transient overvoltage.
Arrow 9 indications are shown this product air switch part, and when late-class circuit generation overload, short circuit, energy automatic shutdown circuit, carries out failure-free protection.
It should be noted that, arrow 2 indications are shown this product LCD display section correspondence and the LCDs in embodiment mono-and embodiment bis-, arrow 3 indications are shown this product B NC video monitoring and tank gage guard section correspondence monitoring guard and the tank gage guard in embodiment mono-and embodiment bis-, arrow 4, arrow 5 indications are shown this product fuel charger guard section correspondence and the fuel charger guard in embodiment mono-and embodiment bis-, arrow 6 indications are shown this product RJ45 network port guard section correspondence and the network port guard in embodiment mono-and embodiment bis-, arrow 8 indications be shown this product single phase poaer supply lightning protection device part corresponding the power supply device in embodiment mono-and embodiment bis-.
In addition, arrow 9 indications are shown the partly air switch for being connected with described power supply device of this product air switch.Arrow 10 indications are shown this product adapter plate partly for carrying the adapter plate of described power supply device and described air switch.Arrow 12 indications are shown this product supporting plate partly for carrying the supporting plate of described fuel charger signal input port, described tank gage signal input port, described network signal input port, described monitor video signal input port and described power supply signal input port.It is the casing that described signal processor, described fuel charger guard, described tank gage guard, described network port guard, described monitoring guard, described power supply device, described LCDs, described air switch, described adapter plate and described supporting plate are installed that arrow 1 indication is shown this product casing base portion.
Further it should be noted that, about inner structure and the relevant connection relation of each guard in embodiment mono-and embodiment bis-, not shown in accompanying drawing 3, specifically refer to the relevant record of accompanying drawing 1 and accompanying drawing 2.
In sum, the utility model embodiment tri-discloses a kind of concentrated Spark gap monitor, can specifically be applied to filling station management system, this above-mentioned concentrated Spark gap monitor can effectively protect the signal of a plurality of equipment, meets the protection requirements of filling station management system.And can monitor the service condition of each guard, there is protective unit breakage alarming function.
In this specification sheets, each embodiment adopts the mode of going forward one by one to describe, and each embodiment stresses is the difference with other embodiment, between each embodiment identical similar part mutually referring to.For the disclosed device of embodiment, because it corresponds to the method disclosed in Example, so description is fairly simple, relevant part partly illustrates referring to method.
Above-mentioned explanation to the disclosed embodiments, makes professional and technical personnel in the field can realize or use the utility model.To the multiple modification of these embodiment, will be apparent for those skilled in the art, General Principle as defined herein can, in the situation that not departing from spirit or scope of the present utility model, realize in other embodiments.Therefore, the utility model will can not be restricted to these embodiment shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (10)
1. a concentrated Spark gap monitor, is characterized in that, is applied to filling station management system, comprising:
Signal processor;
One end is connected with fuel charger signal input port, the fuel charger guard that the other end is connected with described signal processor and described filling station management system;
One end is connected with tank gage signal input port, the tank gage guard that the other end is connected with described signal processor and described filling station management system;
One end is connected with network signal input port, the network port guard that the other end is connected with described signal processor and described filling station management system;
One end is connected with monitor video signal input port, the monitoring guard that the other end is connected with described signal processor and described filling station management system;
One end is connected with power supply signal input port and described filling station management system, the power supply device that the other end is connected with described signal processor;
Be connected with described signal processor, for showing the LCDs of the mode of operation of described power supply device, described tank gage guard, described network port guard, described control monitor unit guard and described fuel charger guard.
2. concentrated Spark gap monitor according to claim 1, is characterized in that, also comprises:
The air switch being connected with described power supply device.
3. concentrated Spark gap monitor according to claim 2, is characterized in that, also comprises:
Carry the adapter plate of described power supply device and described air switch.
4. concentrated Spark gap monitor according to claim 3, is characterized in that, also comprises:
Carry the supporting plate of described fuel charger signal input port, described tank gage signal input port, described network signal input port, described monitor video signal input port and described power supply signal input port.
5. concentrated Spark gap monitor according to claim 4, is characterized in that, also comprises:
The casing of described signal processor, described fuel charger guard, described tank gage guard, described network port guard, described monitoring guard, described power supply device, described LCDs, described air switch, described adapter plate and described supporting plate is installed.
6. according to the concentrated Spark gap monitor described in claim 1～5 any one, it is characterized in that, described fuel charger guard comprises:
Input end connects described fuel charger signal output part, the first prime protective circuit of ground terminal ground connection;
Input end connects the mouth of described the first prime protective circuit, the first protective separation circuit of ground terminal ground connection;
Input end connects the mouth of described the first protective separation circuit, ground terminal ground connection, and mouth connects the first rear class protective circuit of described signal processor and described filling station management system.
7. according to the concentrated Spark gap monitor described in claim 1～5 any one, it is characterized in that, described tank gage guard comprises:
Input end connects described tank gage signal input port, the second prime protective circuit of ground terminal ground connection;
Input end connects the mouth of described the second prime protective circuit, the second protective separation circuit of ground terminal ground connection;
Input end connects the mouth of described the second protective separation circuit, ground terminal ground connection, and mouth connects the second rear class protective circuit of described signal processor and described filling station management system.
8. according to the concentrated Spark gap monitor described in claim 1～5 any one, it is characterized in that, described network port guard comprises:
Input end connects described network signal input port, the 3rd prime protective circuit of ground terminal ground connection;
Input end connects the mouth of described the 3rd prime protective circuit, the 3rd protective separation circuit of ground terminal ground connection;
Input end connects the mouth of described the 3rd protective separation circuit, ground terminal ground connection, and mouth connects the 3rd rear class protective circuit of described signal processor and described filling station management system.
9. according to the concentrated Spark gap monitor described in claim 1～5 any one, it is characterized in that, described monitoring guard comprises:
Input end connects described monitor video signal input port, the 4th prime protective circuit of ground terminal ground connection;
Input end connects the mouth of described the 4th prime protective circuit, the 4th protective separation circuit of ground terminal ground connection;
Input end connects the mouth of described the 4th protective separation circuit, ground terminal ground connection, and mouth connects the 4th rear class protective circuit of described signal processor and described filling station management system.
10. according to the concentrated Spark gap monitor described in claim 1～5 any one, it is characterized in that, described power supply device comprises:
Single phase poaer supply parallel connection type Surge Protector.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320753993.0U CN203545666U (en) | 2013-11-25 | 2013-11-25 | Centralized electromagnetic pulse protection monitor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320753993.0U CN203545666U (en) | 2013-11-25 | 2013-11-25 | Centralized electromagnetic pulse protection monitor |
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| Publication Number | Publication Date |
|---|---|
| CN203545666U true CN203545666U (en) | 2014-04-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201320753993.0U Expired - Lifetime CN203545666U (en) | 2013-11-25 | 2013-11-25 | Centralized electromagnetic pulse protection monitor |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105071367A (en) * | 2015-08-31 | 2015-11-18 | 北京四达瑞康科技有限公司 | Electromagnetic pulse comprehensive protection apparatus at entry port of information system |
-
2013
- 2013-11-25 CN CN201320753993.0U patent/CN203545666U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105071367A (en) * | 2015-08-31 | 2015-11-18 | 北京四达瑞康科技有限公司 | Electromagnetic pulse comprehensive protection apparatus at entry port of information system |
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