CN107546714A - A kind of Surge Protector and its application - Google Patents
A kind of Surge Protector and its application Download PDFInfo
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- CN107546714A CN107546714A CN201710842078.1A CN201710842078A CN107546714A CN 107546714 A CN107546714 A CN 107546714A CN 201710842078 A CN201710842078 A CN 201710842078A CN 107546714 A CN107546714 A CN 107546714A
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Abstract
The invention discloses a kind of Surge Protector and its application, including housing, flexible member, preventing arc component, voltage-sensitive component, responding to switch component and temperature-sensitive element.Voltage-sensitive component has close thermal coupling with responding to switch component, when the factors such as the transient surges overvoltage on circuit make voltage-sensitive component hinder the heating of short circuit current persistent fever for some reason, responding to switch component makes the action ejection separation of preventing arc component because of the thermal coupling response of temperature-sensitive element, effectively prevent electric arc caused by switch separation from forming the short circuit overload that electrical breakdown triggers simultaneously, fire and hidden peril of explosion are efficiently avoid, prevents electronic equipment from causing secondary destruction.
Description
Technical field
The present invention relates to a kind of circuit protection device, more particularly to a kind of Surge Protector and its application.
Background technology
Surge protector or surgesuppressor, are also surge protection device, are a kind of electronics for various sensitivities or costliness
Equipment, as the electronic component on computer and communication relevant device provides the protection device of overvoltage security protection.Existing surge
Protection device be typically aim under medium or general condition surge overvoltage protection design, so surge overvoltage energy compared with
When the small or time is shorter, surge protection device now is unable to the response protection of rapid sensitive, so we would generally be voltage
Sensitive protection element such as piezo-resistance are directly applied to realize the purpose of protection electronic circuit on electronic circuit.Conventional pressure-sensitive electricity
Resistance is the electronic device for including being made up of Zinc oxide particles and complicated transgranular granular materials, and it is a non-linear to voltage device
Part, unique voltage-current characteristic are the preferable protection devices of sensitive electronic circuit, but it material composition determine from
Catching fire is easily damaged during overvoltage short circuit overload, catastrophic destruction is produced to neighbouring sensitive electronic circuit and element.
So, it would be desirable to a kind of safer more sensitive surge protection device, absorption can be turned within moment, power down of releasing comes through electricity
Pressure plays protection electronic equipment effect, and can quick separating surge protection dress when short circuit overload causes surge device to damage
Put, avoid causing fire to form catastrophic failure to electronic equipment.
The content of the invention
It is an object of the invention to overcome existing surge protection device lacking when overvoltage causes device short circuit overload
Fall into and insufficient, there is provided a kind of Surge Protector and its application, it can effectively prevent electric arc generation and the energy when short circuit is overloaded
Quick separating, it can fundamentally prevent disaster hidden-trouble so as to ensure the safety of electronic equipment.
What the present invention was realized in：
A kind of Surge Protector, including housing, flexible member, preventing arc component, voltage-sensitive component, responding to switch component and
Temperature-sensitive element；Described housing includes inner casing and enclosing cover；Described inner casing is closed-in construction, and inner casing is provided with electrode hole, electricity
Pole pin slot and two chutes；When inner casing is engaged with enclosing cover by way of lock, the first chamber can be formed in the front of inner casing
Body, the second cavity can be formed at the back side of inner casing；Wherein electrode foot slot and two chutes is located in the first cavity；Described is anti-
Arc component includes preventing arc ejection plate and flexible member；Described flexible member is socketed in chute, and with the two of preventing arc ejection plate
Lateral deviation is put；Described voltage-sensitive component includes at least one voltage sensitive element；Described responding to switch component includes temperature-sensitive
Element, front electrode, tripping electrode and connection electrode；Described tripping electrode by tripping electrode leading foot, cut-off position and electrode
Welding ends forms circuit connection；Described preventing arc component and responding to switch component is arranged in the first cavity, and described voltage is quick
Sensing unit is arranged in the second cavity；Described electrode lead-out pins include tripping electrode leading foot and second electrode leading foot.
Described voltage sensitive element tow sides are provided with metal electrode film, and described front electrode is located at one of gold
Belong on electrode slice, described front electrode is reached in the first cavity by electrode hole by the second cavity, another metal electrode
Piece is provided with backplate, and described backplate is placed in the second cavity.
Described tripping electrode leading foot enters the first cavity by electrode foot slot；Inner casing in the second described cavity
It is provided with neck；Described second electrode leading foot enters the second cavity by neck；Described backplate is closed by metal
The mode of gold solder soldering is connected with the inner circuit that forms of second electrode leading foot；Tripping electrode leading foot and second electrode are drawn
Pin outer end, which is stretched out outside inner casing, turns into external pin.
Described front electrode is provided with slotted eye；After slotted eye is stretched out in described connection electrode wherein one end, closed by metal
The mode of gold solder soldering or spot welding is connected with front electrode；Described connection electrode, preventing arc ejection plate and tripping electrode, puts
In in the first cavity, and it is sequentially placed from top to bottom；Described electrode welding end is another by temperature-sensitive element and positive connection electrode
The soldering of end face face forms circuit connection.
Described Surge Protector also includes the instruction device and remote signalling alarm device for indicating the surge protection device state；
Described outer cover is additionally provided with indication window and remote signalling breach；Described preventing arc ejection plate is additionally provided with telecommunication equipment push rod and instruction
Device.
As the further explanation of the present invention, described temperature-sensitive element is meltable metal alloy solder or conducting polymer
Thing.
As the further explanation of the present invention, described voltage sensitive element is piezoresistor type sensing element or put
Electric conduit-type sensing element or discharging gap formula sensing element.
As the further explanation of the present invention, described cut-offs the metal alloy material that position is instant vaporization after a kind of fusing
Material.
As the further explanation of the present invention, the metal alloy compositions that position is instant vaporization after a kind of fusing are cut-off, when logical
When crossing the transient surges overvoltage for cut-offfing position, overcurrent or short-circuit overload current and exceeding preset threshold value, cut-offfing position can fuse vapour
Change, so as to promote tripping electrode leading foot and electrode welding end to separate, that is, realize that surge protection device possesses in short circuit overload electricity
Flow down the function of quick disjunction.
As the further explanation of the present invention, temperature-sensitive element is a kind of meltable metal alloy solder, can its preset fusing
Temperature threshold, when reaching preset temperature threshold, temperature-sensitive element can melt rapidly.
As the further explanation of the present invention, described instruction device is electric instruction device, such as light emitting diode；Or
It is mechanical indication means.
A kind of application of Surge Protector is as follows：
Two described external pins are connected in the phase line and the neutral conductor or ground wire of circuit；In the power supply system
When being worked using surge protection device, responding to switch component connects to form normally closed working condition with voltage-sensitive component, elasticity member
Part is in compressive state, and the switch of remote signalling alarm device is not oppressed by external carbuncle, as surge protection device normal work shape
State.
If voltage sensitive element electricity caused by leakage current caused by short-circuit overload current or its shelf-life aging on circuit
Pressure-sensitive sensing unit temperature rise, this temperature are delivered on front electrode, the temperature-sensitive element for promoting thereon reach preset temperature threshold value and
Fusing, preventing arc ejection plate are launched to the direction away from front electrode under the elastic stress effect of flexible member, produced in electric arc
It is preceding to be rapidly separated at electrode welding end with connection electrode, and play buffer action；Promote between electrode welding end and connection electrode
Form sufficient dielectric strength, the electrical connection thoroughly completely cut off between electrode welding end and connection electrode；
Now the working condition of responding to switch component by it is normally closed be changed into it is normally opened, during instruction on surge protection device
Device is moved displacement, and its change different from normal operating conditions, while remote signalling alarm dress can be observed from indication window
The switch put is acted on by external carbuncle, promotes its on off state to change, and is protected so as to send out electric signal instruction surge protection device
Shield failure.
If exceed preset threshold value by the transient surges overvoltage, overcurrent or short-circuit overload current of tripping electrode,
A moment fusing vaporization of cut-offfing thereon causes tripping electrode leading foot and electrode welding end to separate, while preventing arc ejection plate is by bullet
Property element elastic stress act on to away from front electrode direction launch；Tripping electrode leading foot and electrode welding end are completely cut off
Between electrical connection；Thoroughly prevent electric arc caused by electrode disjunction from forming electrical breakdown；
Now the working condition of responding to switch component by it is normally closed be changed into it is normally opened, during instruction on surge protection device
Device is moved displacement, and its change different from normal operating conditions, while remote signalling alarm dress can be observed from indication window
The switch put is acted on by external carbuncle, promotes its on off state to change, and is protected so as to send out electric signal instruction surge protection device
Shield failure.
The beneficial effect that the present invention possesses：
1st, there is Surge Protector of the invention heated temperature rise moment ejection to depart from, the leakage as caused by by its shelf-life aging
The defencive function that electric current and overvoltage short circuit overload moment ejection depart from.
2nd, responding to switch component of the present invention is launched in heated temperature rise moment and departed from, or is departed from short circuit overload moment ejection,
Though which kind of disengaging situation, the protection device can moment disjunction, when electric arc does not produce also just have been formed with effect insulation
Intensity, thoroughly prevent electric arc from producing, this is not available for current surge protection device.
Brief description of the drawings
Fig. 1 is the structural representation of preventing arc ejection plate of the present invention；
Fig. 2 is the structure schematic diagram of inner casing of the present invention；
Fig. 3 is the structural representation of enclosing cover of the present invention；
Fig. 4 is the structural representation of voltage sensitive element of the present invention；
Fig. 5 is the structural representation of second electrode leading foot of the present invention；
Fig. 6 is the structural representation of tripping electrode of the present invention；
Fig. 7 is the structural representation of connection electrode of the present invention；
Fig. 8 is the positive structure schematic of inner casing of the present invention；
Fig. 9 is the combining structure schematic diagram of inner body of the present invention；
Figure 10 is the diagrammatic cross-section of surge protection device normal operating conditions of the present invention；
Figure 11 is the diagrammatic cross-section after surge protection device failure thermal tripping of the present invention；
Figure 12 is the diagrammatic cross-section after surge protection device fault current of the present invention cut-offs.
Marked in figure：1st, inner casing, 1a, the first cavity, 1b, the second cavity, 11, electrode hole, 12, chute, 13, electrode foot inserts
Groove, 14, neck, 2, enclosing cover, 2a, indication window, 2b, remote signalling breach, 3, voltage sensitive element, 31, front electrode, 31a, groove
Hole, 32, backplate, 4, second electrode leading foot, 4a, second electrode leading foot outer end, 4b, second electrode leading foot are inner,
5th, tripping electrode, 5a, tripping electrode leading foot, 5b, position is cut-off, 5c, electrode welding end, 6, connection electrode, 7, preventing arc ejection plate,
7a, instruction device, 7b, telecommunication equipment push rod, 8, flexible member, 9, temperature-sensitive element, 10, remote signalling alarm device.
Embodiment
The present invention is described in more detail with reference to the accompanying drawings and detailed description, but protection scope of the present invention
Following preferred embodiment is not limited solely to, it is every to hide tripping electrode by being launched in the present invention to strengthen current interruption
The technical scheme of insulation effect, all within the scope of the present invention.
Embodiment 1：
A kind of Surge Protector, including housing, flexible member 8, preventing arc component, voltage-sensitive component, responding to switch component
With temperature-sensitive element 9；Described housing includes inner casing 1 and enclosing cover 2；Described inner casing 1 is closed-in construction, and inner casing 1 is provided with electricity
Pole hole 11, electrode foot slot 13 and two chutes 12；When inner casing 1 is engaged with enclosing cover 2 by way of lock, in inner casing 1
Front can form the first cavity 1a, and the second cavity 1b can be formed at the back side of inner casing 1；Wherein electrode foot slot 13 and two chutes
12 in the first cavity 1a；Described preventing arc component includes preventing arc ejection plate 7 and flexible member 8；8 sets of described flexible member
It is connected in chute 12, and is biased with the both sides of preventing arc ejection plate 7；Described voltage-sensitive component includes at least one voltage-sensitive
Element 3；Described responding to switch component includes temperature-sensitive element 9, front electrode 31, tripping electrode 5 and connection electrode 6；Described
Tripping electrode 5 by tripping electrode leading foot 5a, cut-off a 5b and form circuit with electrode welding end 5c and connect；Described preventing arc component
It is arranged on responding to switch component in the first cavity 1a, described voltage sensitive element 3 is arranged in the second cavity 1b；Described
Electrode lead-out pins include tripping electrode leading foot 5a and second electrode leading foot 4.
The described tow sides of voltage sensitive element 3 are provided with metal electrode film, and described front electrode 31 is located at wherein one
On individual metal electrode film, described front electrode 31 is reached in the first cavity 1a by electrode hole 11 by the second cavity 1b, separately
One metal electrode film is provided with backplate 32, and described backplate 32 is placed in the second cavity 1b.
Described tripping electrode leading foot 5a enters the first cavity 1a by electrode foot slot 13；The second described cavity 1b
Interior inner casing 1 is provided with neck 14；Described second electrode leading foot 4 enters the second cavity 1b by neck 14；The described back of the body
Face electrode 32 forms circuit with second electrode leading foot the inner 4b by way of metal alloy solder soldering and is connected；Tripping electrode
Leading foot 5a and second electrode leading foot outer end 4a, which is stretched out outside inner casing 1, turns into external pin.
Described front electrode 31 is provided with slotted eye 31a；After slotted eye 31a is stretched out in described connection electrode 6 wherein one end, lead to
The mode for crossing metal alloy solder soldering is connected with front electrode 31；Described connection electrode 6, preventing arc ejection plate 7 and electricity of threading off
Pole 5, it is placed in the first cavity 1a, and is sequentially placed from top to bottom；Described electrode welding end 5c is by temperature-sensitive element 9 and just
The other end face soldering of connection electrode 6 forms circuit connection.
Described Surge Protector also includes the instruction device 7a for indicating the surge protection device state and remote signalling alarm dress
Put 10；Indication window 2a and remote signalling breach 2b are additionally provided with described enclosing cover 2；Described preventing arc ejection plate 7 is additionally provided with remote signalling dress
Top set bar 7b and instruction device 7a.
Described temperature-sensitive element 9 is meltable metal alloy solder.
Described voltage sensitive element 3 is piezoresistor type sensing element.
Described cut-offs the metal alloy compositions that a 5b is instant vaporization after a kind of fusing.
The metal alloy compositions that a 5b is instant vaporization after a kind of fusing are cut-off, when the transient surges mistake by cut-offfing a 5b
When voltage, overcurrent or short-circuit overload current exceed preset threshold value, cut-offfing a 5b can fuse vaporization, so as to promote tripping electrode
Leading foot 5a and electrode welding end 5c separation, that is, realize that surge protection device possesses the work(of the quick disjunction under short-circuit overload current
Energy.
Temperature-sensitive element 9 is a kind of meltable metal alloy solder, can it is preset its fusing temperature threshold, it is preset reaching
Temperature-sensitive element 9 can melt rapidly during temperature threshold.
Described instruction device 7a is mechanical indication means 7a.
Two described external pins are connected to the phase line and the neutral conductor of circuit；Surge is used in the power supply system
When protection device works, responding to switch component connects to form normally closed working condition with voltage-sensitive component, and flexible member 8 is in pressure
Contracting state, the switch of remote signalling alarm device 10 are not oppressed by external carbuncle, as surge protection device normal operating conditions.
Embodiment 2：
A kind of another embodiment of Surge Protector of the present invention.The embodiment has and most of group in embodiment
Part similar structure and usage, the main distinction are：
It is by way of metal alloy solder spot welding and positive after slotted eye 31a is stretched out in described connection electrode 6 wherein one end
Electrode 31 connects；Described temperature-sensitive element 9 is meltable conducting polymer；Described voltage sensitive element 3 is quick for electric discharge tubular type
Sensing unit；Described instruction device 7a is light emitting diode；Two described external pins be connected to circuit phase line and
On ground wire；The working condition of Surge Protector changes.
When voltage sensitive element 3 caused by leakage current caused by short-circuit overload current or its shelf-life aging on circuit electricity
The pressure-sensitive temperature rise of sensing unit 3, this temperature are delivered on front electrode 31, promote temperature-sensitive element 9 thereon to reach preset temperature threshold
It is worth and melts, preventing arc ejection plate 7 is launched under the elastic stress effect of flexible member 8 to the direction away from front electrode 31,
Electrode welding end 5c and connection electrode 6 are rapidly separated by electric arc before producing, and play buffer action；Promote electrode welding end 5c with
The dielectric strength of abundance, the electrical connection thoroughly completely cut off between electrode welding end 5c and connection electrode 6 are formed between connection electrode 6.
Now the working condition of responding to switch component by it is normally closed be changed into it is normally opened, during instruction on surge protection device
Device 7a is moved displacement, its change different from normal operating conditions can be observed from indication window 2a, while remote signalling is accused
The switch of alarm device 10 is acted on by external carbuncle, promotes its on off state to change, so as to send out electric signal instruction surge protection
Unit protection is failed.
Embodiment 3：
A kind of another embodiment of Surge Protector of the present invention.The embodiment has and most of group in embodiment
Part similar structure and usage, the main distinction are：
The working condition of described Surge Protector changes；Described voltage sensitive element 3 is that discharging gap formula is quick
Sensing unit.
When exceeding preset threshold value by the transient surges overvoltage, overcurrent or short-circuit overload current of tripping electrode 5,
The 5b moment vaporization that fuses of cut-offfing thereon causes tripping electrode leading foot 5a and electrode welding end 5c to separate, while preventing arc launches
Plate 7 is acted on to the direction away from front electrode 31 by the elastic stress of flexible member 8 and launched；Tripping electrode leading foot 5a is completely cut off
Electrical connection between the 5c of electrode welding end；Thoroughly prevent electric arc caused by electrode disjunction from forming electrical breakdown.
Now the working condition of responding to switch component by it is normally closed be changed into it is normally opened, during instruction on surge protection device
Device 7a is moved displacement, its change different from normal operating conditions can be observed from indication window 2a, while remote signalling is accused
The switch of alarm device 10 is acted on by external carbuncle, promotes its on off state to change, so as to send out electric signal instruction surge protection
Unit protection is failed.
Claims (9)
1. a kind of Surge Protector, including housing, flexible member (8), preventing arc component, voltage-sensitive component, responding to switch component
With temperature-sensitive element (9)；It is characterized in that：Described housing includes inner casing (1) and enclosing cover (2)；Described inner casing (1) is frame knot
Structure, and inner casing (1) is provided with electrode hole (11), electrode foot slot (13) and two chutes (12)；When inner casing (1) and enclosing cover (2)
When being engaged by way of lock, the first cavity (1a) can be formed in the front of inner casing (1), can be formed at the back side of inner casing (1)
Second cavity (1b)；Wherein electrode foot slot (13) and two chutes (12) are located in the first cavity (1a)；Described preventing arc group
Part includes preventing arc ejection plate (7) and flexible member (8)；Described flexible member (8) is socketed in chute (12), and with preventing arc bullet
Penetrate the both sides biasing of plate (7)；Described voltage-sensitive component includes at least one voltage sensitive element (3)；Described response is opened
Closing component includes temperature-sensitive element (9), front electrode (31), tripping electrode (5) and connection electrode (6)；Described tripping electrode (5)
By tripping electrode leading foot (5a), cut-off position (5b) and form circuit with electrode welding end (5c) and connect；Described preventing arc component and
Responding to switch component is arranged in the first cavity (1a), and described voltage sensitive element (3) is arranged in the second cavity (1b)；Institute
The electrode lead-out pins stated include tripping electrode leading foot (5a) and second electrode leading foot (4).
A kind of 2. Surge Protector according to claim 1, it is characterised in that：Described voltage sensitive element (3) is positive and negative
Two sides is provided with metal electrode film, and described front electrode (31) is located on one of metal electrode film, described front electrode
(31) reached by electrode hole (11) by the second cavity (1b) in the first cavity (1a), another metal electrode film is provided with the back of the body
Face electrode (32), described backplate (32) are placed in the second cavity (1b).
A kind of 3. Surge Protector according to claim 1, it is characterised in that：Described tripping electrode leading foot (5a) is logical
Cross electrode foot slot (13) and enter the first cavity (1a)；Inner casing (1) in described the second cavity (1b) is provided with neck (14)；
Described second electrode leading foot (4) enters the second cavity (1b) by neck (14)；Described backplate (32) passes through gold
The mode for belonging to solder soldering is connected with second electrode leading foot inner (4b) composition circuit；Tripping electrode leading foot (5a) and
Inner casing (1) is stretched out in second electrode leading foot outer end (4a) turns into external pin outside.
A kind of 4. Surge Protector according to claim 2, it is characterised in that：Described front electrode (31) is provided with groove
Hole (31a)；After slotted eye (31a) is stretched out in described connection electrode (6) wherein one end, pass through metal alloy solder soldering or spot welding
Mode is connected with front electrode (31)；Described connection electrode (6), preventing arc ejection plate (7) and tripping electrode (5), it is placed in
In one cavity (1a), and it is sequentially placed from top to bottom；Described electrode welding end (5c) is by temperature-sensitive element (9) with being just connected electricity
The soldering of pole (6) other end face forms circuit connection.
A kind of 5. Surge Protector according to claim 1, it is characterised in that：Described Surge Protector also includes instruction
The instruction device (7a) and remote signalling alarm device (10) of the surge protection device state；Instruction is additionally provided with described enclosing cover (2)
Window (2a) and remote signalling breach (2b)；Described preventing arc ejection plate (7) is additionally provided with telecommunication equipment push rod (7b) and instruction device
(7a)。
A kind of 6. Surge Protector according to claim 1, it is characterised in that：Described temperature-sensitive element (9) is meltable
Metal alloy solder or conducting polymer；Described voltage sensitive element (3) is piezoresistor type sensing element or discharge tube
Formula sensing element or discharging gap formula sensing element；Described cut-offs the metal that position (5b) is instant vaporization after a kind of fusing
Alloy material.
A kind of 7. application of Surge Protector according to any one of claims 1 to 6, it is characterised in that：By described two
External pin is connected in the phase line and the neutral conductor or ground wire of circuit；Worked in the power supply system using surge protection device
When, responding to switch component connects to form normally closed working condition with voltage-sensitive component, and flexible member (8) is in compressive state, distant
The switch of letter alarm device (10) is not oppressed by external carbuncle, as surge protection device normal operating conditions.
A kind of 8. application of Surge Protector according to claim 7, it is characterised in that：If voltage sensitive element (3) because
Leakage current caused by short-circuit overload current or its shelf-life aging on circuit causes voltage sensitive element (3) temperature rise, this temperature
Degree is delivered on front electrode (31), promotes temperature-sensitive element (9) thereon to reach preset temperature threshold value and melt, preventing arc ejection plate
(7) launched under the elastic stress effect of flexible member (8) to the direction away from front electrode (31), by electricity before electric arc produces
Pole welding ends (5c) is rapidly separated with connection electrode (6), and plays buffer action；Promote electrode welding end (5c) and connection electrode
(6) dielectric strength of abundance, the electrical connection thoroughly completely cut off between electrode welding end (5c) and connection electrode (6) are formed between；
Now the working condition of responding to switch component by it is normally closed be changed into it is normally opened, during instruction device on surge protection device
(7a) is moved displacement, its change different from normal operating conditions can be observed from indication window (2a), while remote signalling is accused
The switch of alarm device (10) is acted on by external carbuncle, promotes its on off state to change, and is protected so as to send out electric signal instruction surge
Protection unit shielding failure.
A kind of 9. application of Surge Protector according to claim 7, it is characterised in that：If pass through tripping electrode (5)
When transient surges overvoltage, overcurrent or short-circuit overload current exceed preset threshold value, position (5b) moment of cut-offfing thereon fuses
Vaporization causes tripping electrode leading foot (5a) and electrode welding end (5c) to separate, while preventing arc ejection plate (7) is by flexible member (8)
Elastic stress act on to away from front electrode (31) direction launch；Tripping electrode leading foot (5a) and electrode welding are completely cut off
Hold the electrical connection between (5c)；Thoroughly prevent electric arc caused by electrode disjunction from forming electrical breakdown；
Now the working condition of responding to switch component by it is normally closed be changed into it is normally opened, during instruction device on surge protection device
(7a) is moved displacement, its change different from normal operating conditions can be observed from indication window (2a), while remote signalling is accused
The switch of alarm device (10) is acted on by external carbuncle, promotes its on off state to change, and is protected so as to send out electric signal instruction surge
Protection unit shielding failure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710842078.1A CN107546714A (en) | 2017-09-18 | 2017-09-18 | A kind of Surge Protector and its application |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710842078.1A CN107546714A (en) | 2017-09-18 | 2017-09-18 | A kind of Surge Protector and its application |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107546714A true CN107546714A (en) | 2018-01-05 |
Family
ID=60964296
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710842078.1A Pending CN107546714A (en) | 2017-09-18 | 2017-09-18 | A kind of Surge Protector and its application |
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| Country | Link |
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| CN (1) | CN107546714A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111786360A (en) * | 2020-06-29 | 2020-10-16 | 神华包神铁路集团有限责任公司 | Adapter circuit |
-
2017
- 2017-09-18 CN CN201710842078.1A patent/CN107546714A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111786360A (en) * | 2020-06-29 | 2020-10-16 | 神华包神铁路集团有限责任公司 | Adapter circuit |
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| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20180105 |
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| WD01 | Invention patent application deemed withdrawn after publication |