CN103580011A - Electronic system, electronic equipment and electromagnetic protection method - Google Patents

Abstract

The invention provides an electronic system, electronic equipment and an electromagnetic protection method. The electronic system comprises a system ground, at least one piece of electronic equipment, at least one transient disturbance suppression device and at least one suspension ground, wherein the at least one piece of electronic equipment is connected to the system ground, each piece of electronic equipment is connected to one suspension ground corresponding to the electronic equipment, each suspension ground is connected to the system ground through one transient disturbance suppression device corresponding to the suspension ground, and the transient disturbance suppression devices are used for releasing energy generated due to transient disturbance of the electronic equipment. According to the invention, because a single transient disturbance suppression device or multiple layers of transient disturbance suppression devices are connected between the system ground(s) and the suspension ground(s), static electricity accumulation is avoided, transient disturbance to each piece of electronic equipment is timely released, interference and damage to the electronic equipment is avoided, and normal operation of the electronic system is ensured.

Description

Electronic system, electronic equipment and electromagnetic protection method

Technical field

The present invention relates to electronic technology field, particularly a kind of electronic system, electronic equipment and electromagnetic protection method.

Background technology

Along with quantity and the kind of electronic equipment or system constantly increases, make in electronic equipment or system electromagnetic environment day by day complicated.In complicated electromagnetic environment, various electromagnetic interference can affect the normal operation of electronic equipment or system.For example, for medical treatment electronic equipment, after one's own heart electroence phalograph, patient monitor, diasonograph, acupuncture electric therapeutic instrument or acupuncture needle directly contact the instrument and equipment of human body etc., instrument and equipment of human body bioelectrical signals etc. particularly, these medical treatment electronic equipments are when diagnosis and treatment, because making medical treatment electronic equipment, the electromagnetic interference of systematically introducing provides the information such as data, waveform and image of distortion for doctor, make doctor can not make correct diagnosis, therefore effectively treatment of impact, when serious, entail dangers to is to patient's personal safety.In addition, miniaturization, high sensitivity and the intellectuality of medical treatment electronic equipment, also make medical treatment electronic equipment more be subject to the impact of electromagnetic interference at present.

In order to reduce the electromagnetic interference of systematically introducing, in electronic equipment, adopted and suspended ground.Conventionally, when signal level is large or approach, high level signal module is connected to systematically, when signal level is less or differ larger, low level signal module is connected to and suspends ground.But, due to the suspension of electronic equipment or system on electric, be not systematically connected, therefore suspend and systematically between easily cause accumulation of static electricity and produce static discharge.Harm electronic equipment or system being caused for fear of static discharge, conventionally suspend and systematically between the very large bleeder resistance (about 10M Ω) of resistance of cross-over connection, be beneficial to static and discharge, prevent accumulation of static electricity.Except static discharge, electronic equipment or system also may be struck by lightning or the impact of the transient state such as ringing pulse group harassing and wrecking, yet the bleeder resistance that resistance is very large cannot discharge the energy of transient state harassing and wrecking in time, thereby the impact that causes of the transient state harassing and wrecking that cannot protect thunderbolt or ringing pulse group and so on, can not guarantee the normal operation of equipment.

Summary of the invention

The invention provides a kind of electronic system, a kind of electronic equipment and a kind of electromagnetic protection method; in technical scheme provided by the invention; electronic equipment is connected to corresponding transient state harassing and wrecking suppression device by suspending; thereby when avoiding accumulation of static electricity; discharge in time the transient state harassing and wrecking that electronic equipment is subject to, the normal operation of protection electronic equipment.

For achieving the above object, the invention provides a kind of electronic system, comprising: systematically, at least one electronic equipment, at least one transient state harassing and wrecking suppression device and at least one ground that suspends; Described in described at least one electronic equipment is connected to systematically, and described at least one electronic equipment is connected to the suspension ground corresponding with electronic equipment, described in described at least one ground that suspends is connected to by the transient state harassing and wrecking suppression device with suspending corresponding, systematically, described transient state is harassed the energy that suppression device produces for discharging the transient state harassing and wrecking of described electronic equipment.

Preferably, comprise the ground that suspends, wherein, the described ground that suspends is with in system, all electronic equipment is corresponding.

Preferably, described electronic equipment equates with the described number that suspends ground, and described electronic equipment with described suspend corresponding one by one.

Preferably, when described electronic system comprises more than three electronic equipment, described electronic system comprises two above ground that suspend, and wherein, the ground that suspends of at least one in described two above suspension ground is corresponding with an electronic equipment; At least one suspension ground in described two above suspension ground is corresponding with two above electronic equipments.

Preferably, the corresponding one or more transient state harassing and wrecking suppression device that suspends.

Preferably, when suspending corresponding a plurality of transient state harassing and wrecking suppression device, each transient state harassing and wrecking suppression device is connected in parallel, and wherein each transient state is harassed a corresponding inductance of suppression device series connection.

Preferably, described transient state harassing and wrecking suppression device is one or more in transient voltage suppressor, Surge Protector, lightning-arrest pipe, gas discharge tube and piezo-resistance.

Preferably, described electronic equipment is medical treatment electronic equipment.

For achieving the above object, the present invention also provides a kind of electronic equipment, and this electronic equipment is connected to systematically, and this electronic equipment is connected to the ground that suspends, this electronic equipment comprises transient state harassing and wrecking suppression device, described in described suspension ground is connected to by described transient state harassing and wrecking suppression device systematically; Wherein, the energy that described transient state harassing and wrecking suppression device produces for discharging the transient state harassing and wrecking of described electronic equipment.

Preferably, described transient state harassing and wrecking suppression device is one or more in transient voltage suppressor, Surge Protector, lightning-arrest pipe, gas discharge tube and piezo-resistance.

For achieving the above object, the present invention also provides a kind of electromagnetic protection method, is applied in electronic system, and described electronic system comprises systematically, at least one electronic equipment, at least one transient state harassing and wrecking suppression device and at least one ground that suspends; Described in described at least one electronic equipment is connected to, systematically, and described at least one electronic equipment is connected to the suspension corresponding with electronic equipment ground, and described method comprises: by transient state harass suppression device be connected to described in systematically and between described suspension ground; Described transient state harassing and wrecking suppression device discharges the transient state harassing and wrecking institute produce power of described electronic equipment.

Preferably, described transient state harassing and wrecking suppression device is one or more in transient voltage suppressor, Surge Protector, lightning-arrest pipe, gas discharge tube and piezo-resistance.

Preferably, described electronic equipment is medical treatment electronic equipment.

The present invention has following beneficial effect:

In technical scheme provided by the invention, electronic equipment is connected to systematically, and joins with transient state harassing and wrecking suppression device by suspending, and the other end of this transient state harassing and wrecking suppression device is connected to systematically.When electronic equipment is not subject to transient state harassing and wrecking, transient state harassing and wrecking suppression device can be for release electrostatic; When electronic equipment is subject to transient state harassing and wrecking, transient state harassing and wrecking suppression device can discharge the energy that transient state harassing and wrecking produce.Therefore, by suspend and systematically between the single or multistage transient state harassing and wrecking suppression device that connects, when avoiding accumulation of static electricity, discharge in time the transient state harassing and wrecking that each electronic equipment is subject to, avoided the interference of electronic equipment and damage, guaranteed the normal operation of electronic system.

Accompanying drawing explanation

The structural representation of the electronic system 10 that Fig. 1 provides for the embodiment of the present invention one;

The structural representation of theelectronic system 20 that Fig. 2 provides for the embodiment of the present invention one;

The structural representation of theelectronic system 30 that Fig. 3 provides for the embodiment of the present invention one;

The structural representation of theelectronic system 40 that Fig. 4 provides for the embodiment of the present invention one.

Embodiment

For making those skilled in the art understand better technical scheme of the present invention, below in conjunction with accompanying drawing, electronic system provided by the invention, electronic equipment and electromagnetic protection method are described in detail.

A kind of electronic system that the embodiment of the present invention one provides, this electronic system comprises systematically, at least one electronic equipment, at least one transient state harassing and wrecking suppression device and at least one suspend ground.Wherein, at least one electronic equipment is connected to systematically, and at least one electronic equipment is connected to the suspension ground corresponding with electronic equipment, described in described at least one ground that suspends is connected to by the transient state harassing and wrecking suppression device with suspending corresponding, systematically, described transient state is harassed the energy that suppression device produces for discharging the transient state harassing and wrecking of described electronic equipment.

Wherein, the operating characteristic of transient state harassing and wrecking suppression device is, at the voltage at transient state harassing and wrecking suppression device two ends, during lower than its puncture voltage, transient state harassing and wrecking suppression device presents high impedance, can be equivalent to open circuit, or be equivalent to the bleeder resistance of high value; At the voltage at transient state harassing and wrecking suppression device two ends, during greater than or equal to its puncture voltage, transient state harassing and wrecking suppression device presents Low ESR, can be equivalent to path.Therefore, under electronic system normal operating conditions, transient state harassing and wrecking suppression device suspend and systematically between present high impedance status, can be equivalent to the bleeder resistance of high value, for static electricity discharge, avoid accumulation of static electricity.When electronic system is subject to transient state harassing and wrecking, the voltage at transient state harassing and wrecking suppression device two ends surpasses its puncture voltage, transient state harassing and wrecking suppression device presents Low ESR, and discharge as path the immediate current that transient state harassing and wrecking produce, the energy of most of transient state harassing and wrecking is transferred to systematically, and is converted to heat disappearance.After the loss of voltage that transient state harassing and wrecking produce, transient state harassing and wrecking suppression device returns to high impedance status.Transient state harassing and wrecking suppression device can be the devices such as Transient Voltage Suppressor (TVS), lightning-arrest pipe (Light tubes), Surge Protector (SPD), gas discharge tube (GDT), piezo-resistance (VSR).Therefore,, in the present embodiment, when electronic equipment is not subject to transient state harassing and wrecking, transient state harassing and wrecking suppression device can be for release electrostatic; When electronic equipment is subject to transient state harassing and wrecking, transient state harassing and wrecking suppression device can discharge the energy that transient state harassing and wrecking produce.

Transient state harassing and wrecking suppression device of the prior art is set in parallel with protected circuit or electronic equipment conventionally; to carry out amplitude limit to surpassing the overvoltage of the ability to bear of protected circuit or electronic equipment; and overcurrent is shunted, the energy of transient state harassing and wrecking is released.Thereby avoid transient state harassing and wrecking to the interference of electronic equipment or system or damage, yet because transient state harassing and wrecking suppression device is in parallel with protected circuit or electronic equipment, therefore do not possess the function of release electrostatic.And in the embodiment of the present invention, transient state is harassed to suppression device is connected to suspension and systematically between, when avoiding accumulation of static electricity, discharge in time the transient state harassing and wrecking that each electronic equipment is subject to, avoided the interference of electronic equipment and damage, guarantee the normal operation of electronic system.

When system comprises a plurality of electronic equipment, each electronic equipment is connected respectively to systematically, and a plurality of electronic equipment is connected respectively to the ground that suspends, wherein, all the one or more electronic equipments in electronic equipment can share the ground that suspends, and also can connect suspension ground separately.Electronic equipment in system can be the medical treatment electronic equipments such as electrocardiograph is outer, patient monitor, diasonograph, can be also other electronic equipments that may suffer transient state harassing and wrecking.

Below in conjunction with concrete application scenarios, the electronic system that the embodiment of the present invention one is provided describes.

The electronic system that the embodiment of the present invention one provides can comprise the ground that suspends, and wherein, this ground that suspends is with in system, all electronic equipment is corresponding.Wherein, conventionally the signal level of a plurality of electronic equipments all compared with hour, whole electronic equipments are connected to one and suspend ground.Refer to Fig. 1, the block diagram of the electronic system 10 providing for the embodiment of the present invention one.As shown in Figure 1, this electronic system 10 comprise systematically 101, theground 102 that suspends,electronic equipment 105,electronic equipment 106,electronic equipment 107 and transient state harassing and wrecking suppression device 108.Wherein,electronic equipment 105,electronic equipment 106, andelectronic equipment 107 is all connected to systematically 101, andelectronic equipment 105,electronic equipment 106, andelectronic equipment 107 is all connected to theground 102 that suspends, suspendground 102 with systematically between 101, be connected with single transient state and harass suppression device 108, whenelectronic equipment 105,electronic equipment 106, and/orelectronic equipment 107 is subject to transient state when harassing and wrecking, the energy that transient state harassing and wrecking suppression device 108 can produce for discharging transient state harassing and wrecking, thereby avoidelectronic equipment 105,electronic equipment 106, and the destruction ofelectronic equipment 107, guarantee the normal operation of electronic system 10.

The single transient state harassing and wrecking suppression device of take same suspension in above-described embodiment and connect is illustrated as example, yet, the same ground that suspends also can be connected to the multistage transient state harassing and wrecking suppression device being comprised of different a plurality of transient state harassing and wrecking inhibitor, for example, when the order of severity of transient state harassing and wrecking is uncertain or comparatively serious, one can be suspended and is connected to multistage transient state harassing and wrecking suppression device, for example, multistage transient state harassing and wrecking suppression device comprises N different transient state harassing and wrecking suppression device, N is greater than 2 integer, N transient state harassing and wrecking suppression device has respectively puncture voltage separately, can by the sequence of N transient state harassing and wrecking suppression device, be the [1 according to puncture voltage order from big to small, 2, ... i, i+1, ..., N] individual transient state harassing and wrecking suppression device, wherein i is greater than 0 and be less than the integer of N+1, give each transient state harassing and wrecking suppression device series connection a corresponding inductance, for convenience of description, setting with sequence is the [1, 2, ... i, i+1, ..., N] individual transient state harassing and wrecking suppression device is corresponding is respectively the [1, 2, ... i, i+1, ..., N] individual inductance.For i transient state harassing and wrecking suppression device and i+1 transient state harassing and wrecking suppression device adjacent in sequence, the puncture voltage of described i transient state harassing and wrecking suppression device can equal the puncture voltage of i+1 transient state harassing and wrecking suppression device and the voltage sum of the discharging current of transient state harassing and wrecking on i+1 inductance; Or, the puncture voltage of described i transient state harassing and wrecking suppression device can equal i+1 transient state harassing and wrecking suppression device puncture voltage, the discharging current that the voltage of the discharging current of transient state harassing and wrecking on i+1 inductance and transient state are harassed with i inductance on voltage sum.By one is suspended and is connected to multistage transient state harassing and wrecking suppression device, can be when the order of severity difference of transient state harassing and wrecking, by different transient state harassing and wrecking suppression devices, transient state is harassed and processed, the energy release of harassing for transient state provides a kind of more effectively implementation, guarantees the normal operation of electronic system.

The multistage transient state harassing and wrecking suppression device that 3 transient states harassing and wrecking suppression devices of take below form describes as example.Concrete, refer to Fig. 2, the block diagram of theelectronic system 20 providing for the embodiment of the present invention one, exemplary connected mode comprising multistage transient state harassing and wrecking suppression device, inelectronic system 20, each electronic equipment is all connected to theground 102 that suspends, the inductance L 1 ofground 102 by TVS and its series connection that suspend are connected to systematically 101, suspendground 102 also the inductance L 2 by VSR and its series connection be connected to systematically 101, and suspendground 102 also the inductance L 3 by GDT and its series connection be connected to systematically 101.Wherein, that response speed is the fastest is transient voltage suppressor TVS, is secondly respectively VSR and GDT.That puncture voltage is the highest is GDT, is secondly respectively VSR and TVS.When the voltage of the discharging current forming when transient state harassing and wrecking at TVS two ends reaches the puncture voltage of TVS, TVS starts working, and discharges discharging current; Suitably select inductance L 1, make the voltage of discharging current on L1 add that the voltage of TVS equals the puncture voltage of piezo-resistance VSR, now VSR starts working; In like manner, because the puncture voltage of GDT is higher, therefore except suitable selection inductance L 2, a L3 also will connect, make the voltage of discharging current on L2 and L3 add that the voltage of VSR equals the puncture voltage of gas discharge tube GDT, now GDT starts working, and discharges larger discharging current.

In the electronic system that the embodiment of the present invention one provides, when all there is larger difference in each electronic equipment signal level, can be for each electronic equipment arranges respectively corresponding suspension ground, electronic equipment equates with the number on the ground that suspends, and electronic equipment with suspend corresponding one by one.Refer to Fig. 3, the block diagram of theelectronic system 30 providing for the embodiment of the present invention one.As shown in Figure 1, thiselectronic system 30 comprise systematically 101, theground 202 that suspends, theground 203 that suspends, theground 204 that suspends,electronic equipment 105,electronic equipment 106,electronic equipment 107, transient state harassing andwrecking suppression device 208, transient state harassing andwrecking suppression device 209 and transient state harassing and wrecking suppression device 210.Wherein,electronic equipment 105,electronic equipment 106 andelectronic equipment 107 are all connected to systematically 101, andelectronic equipment 105 is connected to theground 202 that suspends, andelectronic equipment 106 is connected to theground 203 that suspends, andelectronic equipment 107 is connected to theground 204 that suspends.Systematically 101 and suspend and betweenground 202, to be connected with transient state harassing andwrecking suppression device 208, systematically 101 betweenground 203, be connected with transient state harassing andwrecking suppression device 209 with suspending, systematically 101 be connected with transient state between 204 andharass suppression device 210 with suspending.Whenelectronic equipment 105 is subject to transient state harassing and wrecking, transient state harassing andwrecking suppression device 208 can discharge the energy that transient state harassing and wrecking produce; Whenelectronic equipment 106 is subject to transient state harassing and wrecking, transient state harassing andwrecking suppression device 209 can discharge the energy that transient state harassing and wrecking produce; Whenelectronic equipment 107 is subject to transient state harassing and wrecking, transient state harassing andwrecking suppression device 210 can discharge the energy that transient state harassing and wrecking produce.Each electronic equipment is connected to respectively corresponding transient state harassing and wrecking suppression device by suspending, thereby when avoiding accumulation of static electricity, discharges in time the transient state harassing and wrecking that each electronic equipment is subject to, and guarantees the normal operation of electronic system.

In the electronic system that the embodiment of the present invention one provides, when comprising more than three electronic equipment, also can be set to comprise two above ground that suspend, wherein, the ground that suspends of at least one in described two above suspension ground is corresponding with an electronic equipment; At least one suspension ground in described two above suspension ground is corresponding with two above electronic equipments.Refer to Fig. 4, the block diagram of theelectronic system 40 providing for the embodiment of the present invention one.As shown in Figure 4, thiselectronic system 40 comprise systematically 101, theground 302 that suspends, theground 303 that suspends,electronic equipment 105,electronic equipment 106,electronic equipment 107, transient state harassing andwrecking suppression device 308, transient state harassing and wrecking suppression device 309.Wherein,electronic equipment 105,electronic equipment 106 andelectronic equipment 107 are all connected to systematically 101, andelectronic equipment 105 andelectronic equipment 106 be connected to theground 302 that suspends, andelectronic equipment 107 is connected to theground 303 that suspends.Systematically 101 and suspend and betweenground 302, to be connected with transient state harassing andwrecking suppression device 308, systematically 101 betweenground 303, be connected with transient state andharass suppression device 309 with suspending.Whenelectronic equipment 105 and/orelectronic equipment 106 are subject to transient state harassing and wrecking, transient state harassing andwrecking suppression device 308 can discharge the energy that transient state harassing and wrecking produce; Whenelectronic equipment 107 is subject to transient state harassing and wrecking, transient state harassing andwrecking suppression device 309 can discharge the energy that transient state harassing and wrecking produce.Wherein, the signal level ofelectronic equipment 105 andelectronic equipment 106 is all less, can share theground 302 that suspends, andelectronic equipment 107 differs larger with the signal level ofelectronic equipment 105 andelectronic equipment 106, andelectronic equipment 107 connects separately theground 303 that suspends.Electronic equipment 105 andelectronic equipment 106 share the transient state harassing and wreckingsuppression device 308 ofground 302 correspondences that suspend, thereby when avoiding accumulation of static electricity, the transient state being subject to by shared transient state harassing andwrecking suppression device 308 timely releaseelectronic equipments 105 andelectronic equipment 106 equipment is harassed,electronic equipment 107 connects separately theground 303 that suspends, and connects separately a transient state harassing andwrecking suppression device 309 by thisground 303 that suspends.Each electronic equipment is connected to respectively corresponding transient state harassing and wrecking suppression device by suspending, thereby when avoiding accumulation of static electricity, discharges in time the transient state harassing and wrecking that each electronic equipment is subject to, and guarantees the normal operation of electronic system.

A kind of electronic equipment that the embodiment of the present invention two provides, this electronic equipment is connected to systematically, and this electronic equipment is connected to the ground that suspends, this electronic equipment comprises transient state harassing and wrecking suppression device, and described suspension ground is connected to systematically by this transient state harassing and wrecking suppression device; Wherein, the energy that transient state harassing and wrecking suppression device produces for discharging the transient state harassing and wrecking of described electronic equipment.Transient state harassing and wrecking suppression device in the present embodiment is identical or similar with the transient state harassing and wrecking suppression device in embodiment mono-, can be single or multistage transient state harassing and wrecking suppression device, does not repeat them here.This transient state harassing and wrecking suppression device is one or more in transient voltage suppressor, Surge Protector, lightning-arrest pipe, gas discharge tube and piezo-resistance.This electronic equipment can be the medical treatment electronic equipments such as electrocardiograph is outer, patient monitor, diasonograph, can be also other electronic equipments that may suffer transient state harassing and wrecking.

Design based on same as the previously described embodiments or similar, the embodiment of the present invention three provides a kind of electromagnetic protection method, be applied in electronic system, it is characterized in that, described electronic system comprises systematically, at least one electronic equipment, at least one transient state harassing and wrecking suppression device and at least one ground that suspends; Described in described at least one electronic equipment is connected to, systematically, and described at least one electronic equipment is connected to the suspension corresponding with electronic equipment ground, and described method comprises:

By transient state harass suppression device be connected to described in systematically and between described suspension ground;

Described transient state harassing and wrecking suppression device discharges the transient state harassing and wrecking institute produce power of described electronic equipment.

Transient state harassing and wrecking suppression device in the present embodiment is identical or similar with the transient state harassing and wrecking suppression device in embodiment mono-, can be single or multistage transient state harassing and wrecking suppression device, does not repeat them here.This transient state harassing and wrecking suppression device can be transient voltage suppressor, Surge Protector, lightning-arrest pipe, gas discharge tube or piezo-resistance.This electronic equipment can be the medical treatment electronic equipments such as electrocardiograph is outer, patient monitor, diasonograph, can be also other electronic equipments that may suffer transient state harassing and wrecking.

The electromagnetic protection method providing by the present embodiment three; each electronic equipment in electronic system is connected to respectively corresponding transient state harassing and wrecking suppression device by suspending; thereby when avoiding accumulation of static electricity; discharge in time the transient state harassing and wrecking that each electronic equipment is subject to, guarantee the normal operation of system.

When the transient state harassing and wrecking suppression device in the embodiment of the present invention is not made particular determination, should be understood to can be single transient state harassing and wrecking suppression device, or multistage transient state harassing and wrecking suppression device.

Be understandable that, above execution mode is only used to principle of the present invention is described and the illustrative embodiments that adopts, yet the present invention is not limited thereto.For those skilled in the art, without departing from the spirit and substance in the present invention, can make various modification and improvement, these modification and improvement are also considered as protection scope of the present invention.

Claims (13)

1. an electronic system, is characterized in that, comprising: systematically, at least one electronic equipment, at least one transient state harassing and wrecking suppression device and at least one ground that suspends; Described in described at least one electronic equipment is connected to systematically, and described at least one electronic equipment is connected to the suspension ground corresponding with electronic equipment, described in described at least one ground that suspends is connected to by the transient state harassing and wrecking suppression device with suspending corresponding, systematically, described transient state is harassed the energy that suppression device produces for discharging the transient state harassing and wrecking of described electronic equipment.

2. system according to claim 1, is characterized in that, comprises the ground that suspends, and wherein, the described ground that suspends is with in system, all electronic equipment is corresponding.

3. system according to claim 1, is characterized in that, described electronic equipment equates with the described number that suspends ground, and described electronic equipment with described suspend corresponding one by one.

4. system according to claim 1, it is characterized in that, when described electronic system comprises more than three electronic equipment, described electronic system comprises two above ground that suspend, wherein, the suspension of at least one in described two above suspension ground ground is corresponding with an electronic equipment; At least one suspension ground in described two above suspension ground is corresponding with two above electronic equipments.

5. according to the system described in claim 1, it is characterized in that the corresponding one or more transient state harassing and wrecking suppression device that suspends.

6. according to the system described in claim 5, it is characterized in that, when suspending corresponding a plurality of transient state harassing and wrecking suppression device, each transient state harassing and wrecking suppression device is connected in parallel, and wherein each transient state is harassed a corresponding inductance of suppression device series connection.

7. according to the system described in any one in claim 1-6, it is characterized in that, described transient state harassing and wrecking suppression device is one or more in transient voltage suppressor, Surge Protector, lightning-arrest pipe, gas discharge tube and piezo-resistance.

8. according to the system described in any one in claim 1-6, it is characterized in that, described electronic equipment is medical treatment electronic equipment.

9. an electronic equipment, is characterized in that, this electronic equipment is connected to systematically, and this electronic equipment is connected to the ground that suspends, and this electronic equipment comprises transient state harassing and wrecking suppression device, described in described suspension ground is connected to by described transient state harassing and wrecking suppression device systematically; Wherein, the energy that described transient state harassing and wrecking suppression device produces for discharging the transient state harassing and wrecking of described electronic equipment.

10. equipment according to claim 9, is characterized in that, described transient state harassing and wrecking suppression device is one or more in transient voltage suppressor, Surge Protector, lightning-arrest pipe, gas discharge tube and piezo-resistance.

11. 1 kinds of electromagnetic protection methods, are applied to, in electronic system, it is characterized in that, described electronic system comprises systematically, at least one electronic equipment, at least one transient state harassing and wrecking suppression device and at least one ground that suspends; Described in described at least one electronic equipment is connected to, systematically, and described at least one electronic equipment is connected to the suspension corresponding with electronic equipment ground, and described method comprises:

By transient state harass suppression device be connected to described in systematically and between described suspension ground;

Described transient state harassing and wrecking suppression device discharges the transient state harassing and wrecking institute produce power of described electronic equipment.

12. methods according to claim 11, is characterized in that, described transient state harassing and wrecking suppression device is one or more in transient voltage suppressor, Surge Protector, lightning-arrest pipe, gas discharge tube and piezo-resistance.

13. methods according to claim 11, is characterized in that, described electronic equipment is medical treatment electronic equipment.

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