CN106067670A - A kind of Novel electric surge protector - Google Patents
A kind of Novel electric surge protector Download PDFInfo
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- CN106067670A CN106067670A CN201410660036.2A CN201410660036A CN106067670A CN 106067670 A CN106067670 A CN 106067670A CN 201410660036 A CN201410660036 A CN 201410660036A CN 106067670 A CN106067670 A CN 106067670A
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- surge protector
- novel electric
- overcurrent protective
- protective device
- lightning protection
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Abstract
The present invention relates to a kind of Novel electric surge protector, including lightning protection component, overcurrent protective device, thermel protection device and shell, described lightning protection component and overcurrent protective device series connection, constitute surge and release path, described thermel protection device is positioned on lightning protection component electrode；This Novel electric surge protector also includes current sensor, current limiter, buffer displacement shell fragment, inertial device, electromagnetism actuating mechanism, link gear, normally opened contact, signal sensor, signal transmssion line, overcurrent protective device detector, data cell, connecting line, connection terminal.This Novel electric surge protector solves existing thermel protection device and the action blind area of overcurrent protective device and unknowable the brought security hidden trouble of working condition of overcurrent protective device, the action situation of thermel protection device and lightning protection component at all.
Description
Technical field
The invention belongs to the surge protection technical field of electronic electric equipment.
Background technology
Thunder and lightning is a kind of special weather phenomenon caused of aloft being discharged by charged cloud.Thunder and lightning causes electronic equipment to damage
Major reason, it threatens the safety of the every field electronic informations such as building, railway, civil aviaton, communication, industry control, military affairs surely
Fixed operation.Installing surge protector on the metallic circuits such as the power line being connected with electronic equipment, holding wire and control line is thunder
One of important measures of electricity protection.Surge protector has been widely used in various field, has important effect in lightning protection.
The quality of its state then directly affects its lightning protection effect, thus the safety of protected equipment is brought hidden danger.
Present stage SPD is generally of Thermal protection and two kinds of protection devices of overcurrent protection (internal or external), Thermal protection in use
Device is used for protecting lightning protection component deterioration heating, and overcurrent protective device is used for the lightning protection device preventing transient over-current or overvoltage from causing
Part puncture short, overcurrent protection simultaneously is as a kind of back-up protection mode of Thermal protection, so can act as in most of occasions
Effective protective action.
But owing to conduction of heat is a relatively slow process, the sensitivity of thermel protection device is low, still may be used for slow temperature-rise period
Play effective protection, but for low (in) in pressure system anxious according to ramp case, heat due to cause under sustained over voltage condition
Protection trip gear can not this process of perception in time and there is not action, cause lightning protection component breakdown, power current entrance SPD
Circuit, when this power frequency electric flow valuve is not reaching to the initiation value of overcurrent protective device, overcurrent protective device also will not occur action,
Thus cause SPD on fire；If selecting little by the initiation value of overcurrent protective device, though can start, but it is difficult to resist the impact of lightning current,
SPD is caused cannot normally to release lightning current.And, the thermel protection device of existing surge protector and the action of overcurrent protective device
State can not be grasped in time by user, and the use state of surge protector internal lighting protection element can not be known by user simultaneously,
Thus result in and can not safeguard surge protector timely or change inner member or device, cause thunderbolt or other accidents.
In sum, there is serious action blind area in the overcurrent protective device of existing SPD and thermel protection device, and SPD is by this
During the electric current in region, the SPD that thermel protection device and overcurrent protective device all can not damage departs from main circuit, thus occurs tight
The potential safety hazard of weight；The working condition of the action situation of overcurrent protective device and thermel protection device and lightning protection component can not be by simultaneously
User is learnt in time, brings serious potential safety hazard equally.
Summary of the invention
In order to effectively solve problem above of the prior art, the present invention propose a kind of easy for installation and dependable performance for power supply
The Novel electric surge protector of system, the existing thermel protection device of basic solution fills with action blind area and the overcurrent protection of overcurrent protective device
Put, the working condition of the action situation of thermel protection device and lightning protection component unknowable, the security hidden trouble that brought.
The present invention is by the following technical solutions: the present invention is the surge protector in power electronic circuits system, and this surge is protected
Protect device and include lightning protection component, overcurrent protective device, thermel protection device and shell, described lightning protection component and overcurrent protective device series connection,
Constituting surge to release path, described thermel protection device is positioned on lightning protection component electrode, it is characterised in that: this Novel electric surge protector
Also include current sensor, current limiter, buffer displacement shell fragment, inertial device, electromagnetism actuating mechanism, link gear, normally opened touch
Point, signal sensor, signal transmssion line, overcurrent protective device detector, data cell, connecting line, connection terminal；Described
Current sensor is sleeved on surge and releases on path, and is connected with electromagnetism actuating mechanism；Described electromagnetism action mechanism controls buffering position
Shifting shell fragment moves；Described buffer displacement shell fragment is connected with inertial device；Described inertial device controls normally opened contact through link gear
Action；Described normally opened contact and current limiter are composed in series bypass, and bypass is connected in parallel on lightning protection component two ends；Described signal sensor is pacified
Be loaded on lightning protection component electrode surface or near, or be installed on surge and release near path, by signal transmssion line and data sheet Rhizoma Coptidis
Connect；Described overcurrent protective device detector is parallel to overcurrent protective device two ends, is connected with data cell through signal transmssion line；
Described data cell is connected with being connected terminal by connecting line.
After described normally opened contact Guan Bi, will not open before overcurrent protective device disconnects, described normally opened contact also has reset and opens again
Close.Described lightning protection component, including one or a combination set of varistor, discharge tube, TVS；Described overcurrent protective device can be
Fuse or chopper；Described current limiter can be one of electronic devices such as resistance, inductance, electric capacity or by the electricity of a combination thereof
Road, has the effect limiting electric current；Described inertial device is flying wheel or weight or damping gear or air cock or delay circuit,
Just can move when receiving lasting power.
Described current sensor can sense the electric current that surge is released on path, so that the electromagnetism action mechanism action being attached thereto.
Different according to parameters such as lightning surge and the size of power current, direction, rate of change, persistent period, current sensor output
Also corresponding different to the electric current of electromagnetism actuating mechanism, thus the persistent period of electromagnetism actuating mechanism generation action is the most different.Only when
Power frequency short circuit current flow continuously through surge release path time, current sensor could give the input faradism that electromagnetism actuating mechanism is lasting
Stream, thus the push rod of electromagnetism actuating mechanism persistently promotes inertia displacement shell fragment, causes inertial device to move；Lightning surge is owing to sending out
The raw time is exceedingly fast, and push rod the moment of electromagnetism actuating mechanism ejects and sets back again, and inertial device has can not be by its effect of inertia
Drive.
Described signal sensor can be installed on lightning protection component electrode surface or near, the detection temperature of lightning protection component, magnetic field, red
Outer signal such as grade；Can also be installed on surge and release near path, detection surge is released the temperature of path, magnetic field, infrared, electronic
The signals such as power；Signal sensor can also detect the action situation of thermel protection device.Described overcurrent protective device detector can be visited
Survey the state of overcurrent protective device, and export to data cell through signal transmssion line.Described data cell built-in power, or logical
Cross connecting line and obtain power supply from connecting terminal outer.
The working method of this Novel electric surge protector:
When lightning current flows through lightning protection component, the time is the shortest, and electric current is released rapidly, and electromagnetism actuating mechanism push rod ejects rapidly and extensive
Multiple, inertial device remains stationary as state due to effect of inertia, will not drive link gear Guan Bi bypass normally opened contact, so that it is guaranteed that
Lightning current is released smoothly；Now signal sensor be able to detect that lightning protection component itself or surge release temperature on path, magnetic field,
The change of the signals such as infrared, electric power, thus analyze the information such as lightning current size, waveform, record the thunderbolt time, this type of is believed
Breath is sent to data cell through data line, and data cell is connected with external equipment by connecting line, connection terminal, described
External equipment can be data acquisition equipment, the network switching equipment, monitoring device etc..
When lightning protection component deterioration power frequency leakage current reaches certain value, lightning protection component shell temperature also rises to certain altitude, due to work
Frequently the intensification that leakage current causes is the process of a slow gradual change, and thermel protection device will start, and disconnect at lightning protection component electrode；This
Time signal sensor be able to detect that thermel protection device action, this signal can be sent to data cell through data line, number
Being connected with external equipment by connecting line, connection terminal according to unit, described external equipment can be data acquisition equipment, network friendship
Exchange device, monitoring device etc..
When the power current that power system failure or other reasons cause flows through lightning protection component, electromagnetism actuating mechanism is in electromagnetic force
Making push rod persistently eject under effect, push rod promotes buffer displacement shell fragment, and inertial device can not be along buffer displacement bullet due to effect of inertia
Sheet force direction rotates, but now short circuit current does not disappears, and electromagnetism actuating mechanism push rod still heads on buffer displacement shell fragment, waits
After time delay Millisecond Δ t, inertial device rotates counterclockwise rapidly, drives link gear Guan Bi bypass normally opened contact, now in parallel
Bypass at lightning protection component two ends is switched on, and power frequency short circuit current will not pass through lightning protection component, directly arrived stream guarantor by bypass
Protection unit, and have time enough to disconnect by overcurrent protective device, thus the lightning protection component that will damage is departed from from main circuit；
Now overcurrent protective device detector will detect that overcurrent protective device disconnects, can be sent to through data line by this signal
Data cell, data cell connects terminal outer equipment transmission signal by connecting alignment.Described external equipment can be data acquisition
Collection equipment, the network switching equipment, monitoring device etc..
During three above, signal sensor all the lightning protection component detected or surge can be released temperature on path, magnetic field,
The signals such as infrared, electric power are sent to data cell through data line, and data cell sets by connecting alignment connection terminal outer
The preparation number of delivering letters, to learn the use state of lightning protection component, life-span, event record.Described external equipment can be several
According to collecting device, the network switching equipment, monitoring device etc..
It is a feature of the present invention that:
1. this Novel electric surge protector is connected in parallel on the bypass at lightning protection component two ends by increase, solves thermel protection device and crosses stream guarantor
The action blind zone problem of protection unit.Bypass is composed in series by normally opened contact and flow plug, and normally opened contact is through link gear, inertia
Device, buffer displacement shell fragment control, and buffer displacement shell fragment is depended on by electromagnetism action mechanism controls, the action of electromagnetism actuating mechanism
It is sleeved on the current sensor that surge is released on path.
2. the lightning protection component of this Novel electric surge protector and current sensor, overcurrent protective device, thermel protection device, current limiter,
Buffer displacement shell fragment, inertial device, electromagnetism actuating mechanism, link gear, normally opened contact, signal sensor, signal transmssion line,
Overcurrent protective device detector, data cell, connecting line, connection terminal can be integrated in one, and are loaded on housing, meet electricity consumption
Equipment, to surge protector discharge capacity, response time and the requirement of three indexs of voltage protection level, enhances the reliable of equipment
Property, it is also possible to be installed on different housings or be encapsulated in different modules and combine, it is simple to install and use.
3. this Novel electric surge protector can not have overcurrent protective device.
4. the connection terminal of this Novel electric surge protector can be connected with external equipment, is visited with overcurrent protective device by signal sensor
The signal that survey device detects sends to external equipment, makes monitoring personnel grasp the various states of surge protector.Described external equipment
Can be data acquisition equipment, the network switching equipment, monitoring device etc..Described data acquisition equipment can gather multiple surge and protect
Protecting the information of device, the described network switching equipment can connect multiple data acquisition equipment.
Accompanying drawing explanation
Fig. 1 is first embodiment of the present invention structural representation.
Fig. 2 is first embodiment of the present invention principle schematic.
Fig. 3 is second embodiment of the present invention principle schematic.
Fig. 4 is third embodiment of the present invention principle schematic.
Fig. 5 is protected effect schematic diagram of the present invention.
Fig. 6 is group network system first embodiment schematic diagram of the present invention.
Fig. 7 is group network system of the present invention second embodiment schematic diagram
Specific embodiments
The present invention is further described with embodiment below in conjunction with the accompanying drawings:
As it can be seen, 0 is push rod, 1 is the first terminals, and 2 is normally opened contact, and 3 is bypass, and 4 is flow plug, and 5 is second
Terminals, 6 is overcurrent protective device, and 7 is lightning protection component, and 8 is buffer displacement shell fragment, and 9 is inertial device, and 10 is Thermal protection
Device, 11 is current sensor, and 12 is electromagnetism actuating mechanism, and 13 is that surge is released path, and 14 is shell, and 15 is gear
Structure, 16 is signal sensor, and 17 is signal transmssion line 1, and 18 is overcurrent protective device detector, and 19 is signal transmssion line 2,20
Being data cell, 21 is connecting line, and 22 is to connect terminal, and 23 is this Novel electric surge protector, and 24 is data acquisition equipment, 25
Being monitoring device, 26 is connecting line 1, and 27 is data wire, and 28 is the network switching equipment, and 29 is reset switch.
Fig. 1 is first embodiment of the present invention structural representation, and solid black lines is that surge is released path (13), by lightning protection component (7)
It is composed in series with overcurrent protective device (6)；Streak line is bypass (3), by normally opened contact (2) and flow plug (4) series connection group
Becoming, described bypass (3) is connected in parallel on lightning protection component (7) two ends；Described thermel protection device (10) is positioned at lightning protection component (7) electricity
Extremely go up.Described current sensor (11) is sleeved on surge and releases on path (13), and is connected with electromagnetism actuating mechanism (12)；
The push rod (0) of described electromagnetism actuating mechanism (12) can promote buffer displacement shell fragment (8)；Described buffer displacement shell fragment (8)
It is connected with inertial device (9)；Described inertial device (9) controls normally opened contact (2) through link gear (15) after rotating and moves
Make.Originally be inertial device in embodiment (9) be flying wheel.Flying wheel only just can be rotated by lasting power, i.e. lightning surge
Push rod (0) the instantaneous ejection caused is regained and flying wheel will not be promoted to rotate, and continues push rod (0) the persistently bullet that power current causes
Go out and flying wheel just can be promoted to rotate, thus drive link gear (15) Guan Bi normally opened contact (2).Described normally opened contact has multiple
Bit switch (29) (being not drawn in this schematic diagram).In figure, black color dots setting-out is respectively signal transmssion line 1 (17) and signal transmission
Line 2 (19), described signal sensor (16) is installed on lightning protection component (7) surface, the temperature of detection lightning protection component (7),
Magnetic field, the signal such as infrared, signal sensor (16) the most also detects the action situation of thermel protection device (10), and through letter
Number transmission line 1 (17) exports to data cell (20)；Described overcurrent protective device detector (18) is connected in parallel on overcurrent protection dress
Put (6) two ends, the state of detection overcurrent protective device (6), and export to data cell through signal transmssion line 2 (19)
(20)；Described data cell (20) built-in power, it is also possible to terminal (22) is outside to be obtained from connecting by connecting line (21)
Power supply.
Fig. 2 is the principle schematic that Fig. 1 first embodiment is corresponding, and wherein inertia displacement shell fragment (8) and link gear (15) are used
Dotted line represents, reset switch (29) can control inertial device (9) makes normally opened contact (2) recover normally open.
Fig. 3 is this Novel electric surge protector the second embodiment principle schematic, does not has stream to protect in the surge protector of this embodiment
Protection unit (6), only include surge release path (13), bypass (3) and thermel protection device (10), current sensor (11),
Electromagnetism actuating mechanism (12), elastic displacement shell fragment (8), inertial device (9), link gear (15), reset switch (29), letter
Number detector (16), signal transmssion line (including signal transmssion line 1 (17) and signal transmssion line 2 (19)), overcurrent protective device
Detector (18), data cell (20), connecting line (21), connection terminal (22), wherein inertia displacement shell fragment (8) and gear
Structure (15) is represented by dashed line, and reset switch (29) can control inertial device (9) makes normally opened contact (2) recover normally opened shape
State.Because surge protector is in use, if inside does not has built-in overcurrent protective device, then rear end must concatenate stream and protect
Protection unit, the Novel electric surge protector that therefore the present embodiment describes can allow its external overcurrent protection when there being power current to pass through
The timely action of device, thus surge protector is departed from main circuit.
Fig. 4 is this Novel electric surge protector the 3rd embodiment principle schematic, and in this embodiment, current sensor (11), excessively stream are protected
Protection unit detector (18) and overcurrent protective device (6) are positioned at another one housing, wherein inertia displacement shell fragment (8) and connection
Motivation structure (15) is represented by dashed line, and reset switch (29) can control inertial device (9) makes normally opened contact (2) often recover
Open state.
Fig. 1, Fig. 2 be lightning protection component with current sensor (11), overcurrent protective device (6), thermel protection device (10), current limiter (4),
Buffer displacement shell fragment (8), inertial device (9), electromagnetism actuating mechanism (12), link gear (15), normally opened contact (2),
Reset switch (29), signal sensor (16), signal transmssion line (include signal transmssion line 1 (17) and signal transmssion line 2
(19)), overcurrent protective device detector (18), data cell (20), connecting line (21), connection terminal (22) are integrated in
The embodiment of one；Fig. 3, Fig. 4 be lightning protection component with current sensor (11), overcurrent protective device (6), thermel protection device (10),
Current limiter (4), buffer displacement shell fragment (8), inertial device (9), electromagnetism actuating mechanism (12), link gear (15), often
Open contact (2), reset switch (29), signal sensor (16), signal transmssion line (include signal transmssion line 1 (17) and
Signal transmssion line 2 (19)), overcurrent protective device detector (18), data cell (20), connecting line (21), connect terminal
(22) different housings can also be installed on or be encapsulated in different modules the embodiment combined.
Fig. 5 is protected effect schematic diagram of the present invention, power frequency short circuit current is divided into three parts: little power current refers to Thermal protection
The current range that device can start；Big power frequency short circuit current refers to the current range that overcurrent protective device can start；And between
Between the two be then the power frequency short circuit current action blind area of existing surge protector protection device, abbreviation action blind area.
Fig. 6 is group network system first embodiment schematic diagram of the present invention, and in figure, several novel surges are protected by connecting line 1 (26)
Protecting after device (23) links together and be connected with data acquisition equipment (24), data acquisition equipment (24) passes through data wire (27)
It is connected with monitoring device (25).Described connecting line 1 (26) accesses the connection terminal (22) of this Novel electric surge protector (23),
Described data acquisition equipment (24) internally data cell (20) can provide power supply.Described connecting line 1 (26) can be 485
Bus or CAN or other line styles.Described data wire (27) can be netting twine, optical fiber or other line styles.
Fig. 7 is group network system of the present invention second embodiment schematic diagram, and in figure, the network switching equipment (28) can gather multiple data acquisition
The data of collection equipment (24), are transferred to monitoring device (25) simultaneously, constitute the intelligent monitoring network of surge protector (23).
Utilize technical scheme, reach corresponding technique effect, or under the design philosophy without departing from the present invention
Technical scheme equivalents, all within protection scope of the present invention.
Claims (11)
1. a Novel electric surge protector, including lightning protection component, overcurrent protective device, thermel protection device and shell, described anti-
Thunder element and overcurrent protective device series connection, constitute surge and release path, and described thermel protection device is positioned on lightning protection component electrode,
It is characterized in that: this Novel electric surge protector also include current sensor, current limiter, buffer displacement shell fragment, inertial device,
Electromagnetism actuating mechanism, link gear, normally opened contact, signal sensor, signal transmssion line, overcurrent protective device detector,
Data cell, connecting line, connection terminal；Described current sensor is sleeved on surge and releases on path, and with electromagnetism action machine
Structure connects；Described electromagnetism action mechanism controls buffer displacement shell fragment moves；Described buffer displacement shell fragment is connected with inertial device；
Described inertial device controls normally opened contact action through link gear；Described normally opened contact and current limiter are composed in series bypass, other
Road is connected in parallel on lightning protection component two ends；Described signal sensor is connected with data cell by signal transmssion line；Described overcurrent protection
Device detector is parallel to overcurrent protective device two ends, is connected with data cell through signal transmssion line；Described data cell is led to
Cross connecting line and be connected terminal connection.
A kind of Novel electric surge protector the most according to claim 1, it is characterised in that: this Novel electric surge protector is permissible
There is no overcurrent protective device.
A kind of Novel electric surge protector the most according to claim 1 and 2, it is characterised in that: described normally opened contact closes
After, will not open again before overcurrent protective device disconnects.
A kind of Novel electric surge protector the most according to claim 1 and 2, it is characterised in that: described normally opened contact has
Reset switch.
A kind of Novel electric surge protector the most according to claim 1 and 2, it is characterised in that: described inertial device is inertia
Wheel or weight or damping gear or air cock or delay circuit.
A kind of Novel electric surge protector the most according to claim 1 and 2, it is characterised in that: described lightning protection component and electric current
Sensor, overcurrent protective device, thermel protection device, current limiter, buffer displacement shell fragment, inertial device, electromagnetism actuating mechanism,
Link gear, normally opened contact, signal sensor, signal transmssion line, overcurrent protective device detector, data cell, connection
Line, connect terminal and may be located at same housing, it is also possible to be installed on different housings or be encapsulated in different modules and combine one
Rise.
A kind of Novel electric surge protector the most according to claim 1 and 2, it is characterised in that: described current limiter can be
One of electronic devices such as resistance, inductance, electric capacity or by the circuit of a combination thereof.
A kind of Novel electric surge protector the most according to claim 1 and 2, it is characterised in that: described overcurrent protective device
Can be fuse or chopper.
A kind of Novel electric surge protector the most according to claim 1 and 2, it is characterised in that: described lightning protection component is permissible
It is one or a combination set of electronic devices such as varistor, discharge tube, TVS.
A kind of Novel electric surge protector the most according to claim 1 and 2, it is characterised in that: described signal sensor
Be installed on lightning protection component electrode surface or near, or be installed on surge and release near path.
11. a kind of Novel electric surge protectors according to claim 1 and 2, it is characterised in that: described data cell is led to
Cross connecting line, connect terminal be connected with external equipment, described external equipment can be data acquisition equipment, the network switching equipment,
Monitoring device etc..
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410660036.2A CN106067670A (en) | 2014-11-08 | 2014-11-08 | A kind of Novel electric surge protector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410660036.2A CN106067670A (en) | 2014-11-08 | 2014-11-08 | A kind of Novel electric surge protector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106067670A true CN106067670A (en) | 2016-11-02 |
Family
ID=57419589
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410660036.2A Pending CN106067670A (en) | 2014-11-08 | 2014-11-08 | A kind of Novel electric surge protector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106067670A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0860927A1 (en) * | 1997-02-12 | 1998-08-26 | Felten & Guilleaume Austria AG | Protection circuit arrangement for surge arrester |
| CN102545185A (en) * | 2010-12-29 | 2012-07-04 | 孙巍巍 | Surge protector with spare protection module |
| CN203086125U (en) * | 2012-12-05 | 2013-07-24 | 孙巍巍 | Novel surge protection device |
| CN204391702U (en) * | 2014-11-08 | 2015-06-10 | 孙麓轩 | A kind of Novel electric surge protector |
-
2014
- 2014-11-08 CN CN201410660036.2A patent/CN106067670A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0860927A1 (en) * | 1997-02-12 | 1998-08-26 | Felten & Guilleaume Austria AG | Protection circuit arrangement for surge arrester |
| CN102545185A (en) * | 2010-12-29 | 2012-07-04 | 孙巍巍 | Surge protector with spare protection module |
| CN203086125U (en) * | 2012-12-05 | 2013-07-24 | 孙巍巍 | Novel surge protection device |
| CN204391702U (en) * | 2014-11-08 | 2015-06-10 | 孙麓轩 | A kind of Novel electric surge protector |
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Application publication date: 20161102 |
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