CN206711855U - Surge protector with pre- tripping function - Google Patents
Surge protector with pre- tripping function Download PDFInfo
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- CN206711855U CN206711855U CN201720462280.7U CN201720462280U CN206711855U CN 206711855 U CN206711855 U CN 206711855U CN 201720462280 U CN201720462280 U CN 201720462280U CN 206711855 U CN206711855 U CN 206711855U
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Abstract
Surge protector with pre- tripping function; including outer box and inner box; electrode slice one, electrode slice two, voltage protection component and dropout arc extinguishing component are housed in inner box; first pin high-temperature soldering of electrode slice one and voltage protection component; the second pin and the 3rd pin low-temperature welding with voltage protection component, and the welding temperature of the 3rd pin and electrode slice two is higher than second pin and the welding temperature of electrode slice two respectively of electrode slice two；When surge protector is close to overload, second pin is first threaded off with electrode slice two and separated, and dropout arc extinguishing component isolates second pin with the arc extinguishing of electrode slice two；When surge protector overloads, the 3rd pin is threaded off with electrode slice two separate again, and dropout arc extinguishing component isolates voltage protection component with two complete arc extinguishing of electrode slice.The utility model avoids surge protector from " cycle in time " of lightning protection occur, increases the use reliability of surge protector and the security of electrical equipment.
Description
Technical field
A kind of surge protector with pre- tripping function is the utility model is related to, belongs to protection technical field of electric appliances.
Background technology
Surge protector（SPD）It is a kind of conventional low-voltage variation device, under normal circumstances, it is in high impedance shape
State, and once circuit because thunderbolt or other reasons there is surge when, it can be turned within the extremely short time, by lightning current or excessively electric
Pressure introduces the earth, the equipment come with this on protection circuit by being grounded.When surge protector because a variety of causes causes to deteriorate, this
When surge protector in can swash acute heating so that in surge protector trip gear action, make surge protector and circuit
Depart from, prevent surge protector " short circuit ", cause line accident to magnify.
Existing surge protector, pass through voltage protection component in overvoltage（Such as piezo-resistance or discharge tube）When, its is low
Temperature sensitive contact can produce thermal tripping with the travelling electrode in surge protector and separate, and make voltage limiting type element and fault wire
The drawbacks of road system is separated, and which is primarily present is, when the travelling electrode separating distance in surge protector is not enough to allow
Caused arc extinction, it is on fire to may result in surge protector when electrode separates with voltage protection component.
Furthermore electrical apparatus release action separates with AC or DC circuit after surge protector deteriorates or overloads, and electrical apparatus release moves
Surge protector after work after many dropouts can not be changed at once for various reasons.Thus after surge protector dropout, more
It is alternatively preceding that electric equipment can be used to bring potential safety hazard to the electrical equipment on circuit in " cycle in time " is not protected.
The U of CN 205829158, disclose in a kind of thermal tripping formula little module surge protector, including outer box and setting outer box
Inner box, inner box and outer box snaps into position, be provided with voltage limiting type element in inner box, the right side of inner box is equipped with electrode slice one,
Left side is equipped with electrode slice two, the high temperature solder joint pin of voltage limiting type element and the solder side high-temperature soldering of electrode slice one, voltage
Limit the low temperature solder joint pin of element and the solder side low-temperature welding of electrode slice two, it is characterised in that be also equipped with taking off in described inner box
Isolating device is detained, is in voltage limiting type element after abnormal condition causes low temperature solder joint pin to be separated with solder side, it is described
Dropout isolating device move between low temperature solder joint pin and solder side, low temperature solder joint pin and solder side is completely separated.
Make low temperature solder joint pin and solder side completely separated by dropout isolating device in this patent, ensure the electric arc after thermal tripping de-
Detain and extinguish completely under the isolation of isolating device, but threaded off and isolated using single in this patent, if do not carried out surge at once after dropout
The replacing of protector, then the electrical equipment on circuit can be made to be in unprotect state.
The A of CN 102801136, disclose it is a kind of can secondary dropout surge protector, including support, chip varistor, work
Moving electrode copper sheet, once dropout indicator board, dropout elastic component and secondary dropout elastic component, chip varistor are fixed on support；It is living
Moving electrode copper sheet one end is fixedly connected on support, and the other end is welded on chip varistor, also, float electrode copper sheet also passes through
Secondary dropout elastic component elastic connection is on support；Dropout indicator board one end is pivotably attached on support, and the other end passes through once
Dropout elastic component elastic connection is on support, also, dropout indicator board is also fixed on support by float electrode copper sheet, works as electricity
When surge protector is by being struck by lightning, float electrode copper sheet disconnects with chip varistor, once dropout elastic component and secondary dropout elastic component
Respectively by elastic reaction to increase the distance between float electrode copper sheet and chip varistor.Surge protection disclosed in this scheme
The secondary dropout of device, it is to increase the distance in dropout, rather than before complete thread off, surge protector is threaded off in advance,
Also pre- protection of threading off can not be carried out to being set using the electricity consumption on circuit, avoids electrical equipment from being in unprotect state.
To sum up, due to surge protector of the prior art, separated after dropout with direct current and alternating current circuit, such as can not be right
Surge protector is changed at once, then the electrical equipment that can cause to be connected on surge protector circuit is in unshielded
State, increase the security risk of electrical equipment.
Utility model content
In order to avoid the electrical equipment on surge protector circuit is in unshielded " cycle in time " state, the utility model
A kind of surge protector with pre- tripping function is provided, before complete thread off, threaded off in advance, surge protector is pre- de-
Before being threaded off completely after button, still the electrical equipment on circuit is protected, facilitates user completely de- in surge protector
Before button, the surge protector that will be deteriorated or fail is changed, avoids surge protector from " cycle in time " of lightning protection occur, increased
The use reliability of surge protector and the security of electrical equipment.
It is to reach above-mentioned purpose the technical solution adopted in the utility model：
Surge protector with pre- tripping function, including outer box and snaps into position the inner box in outer box, filled in inner box
There are electrode slice one, electrode slice two, the voltage protection component for realizing button deprotection and the dropout isolated for arc extinguishing after dropout
Arc extinguishing component, the first pin high-temperature soldering of electrode slice one and voltage protection component, it is characterised in that described electrode slice two divides
Not with the second pin and the 3rd pin low-temperature welding of voltage protection component, and the welding temperature of the 3rd pin and electrode slice two is high
In second pin and the welding temperature of electrode slice two；
When surge protector is close to overload, second pin is first threaded off with electrode slice two and separated, and dropout arc extinguishing component is by second
Pin is isolated with the arc extinguishing of electrode slice two；When surge protector overloads, the 3rd pin is threaded off with electrode slice two separate again, dropout arc extinguishing
Component isolates voltage protection component with two complete arc extinguishing of electrode slice.
Preferably, described dropout arc extinguishing component is the Elastic Sliding component that can be slided in inner box, described electrode slice
There is holder on two, holder respectively with second pin and the 3rd pin low-temperature welding, by dropout arc extinguishing component clamping position,
Surge protector close to overload when, holder first with second pin thread off separates, dropout arc extinguishing component slippage make second pin and
Holder is isolated, and when surge protector overloads, holder is threaded off with the 3rd pin separate again, and dropout arc extinguishing component slides again makes electricity
Press protection element and holder completely isolated.
Preferably, instruction alarm window is set in described outer box, pasted on described dropout arc extinguishing component for referring to
Show the instruction alarm board of surge protector status, described instruction alarm board is arranged on below instruction alarm window, with de-
The slip of arc extinguishing component is detained, the color that instruction alarm board is right against instruction alarm window also changes therewith.
Preferably, described dropout arc extinguishing component includes coordinating with slide rail in inner box sliding block, it is fixed on sliding block and is used for
The arc extinguishing board of arc extinguishing isolation and the compression spring for promoting sliding block to slide, described arc extinguishing board are clamped in holder and voltage
Between protection element, the slip of sliding block is limited；
Thread off and separate with second pin when holder, compression spring promotes sliding block to slide, and drives arc extinguishing board to slide into clamping
Between part and second pin, holder is set to isolate with second pin；
Thread off and separate with the 3rd pin when holder, compression spring promotes sliding block to slide again, drives arc extinguishing board to slide into folder
Between gripping member and voltage protection component, holder is set to isolate with second pin and the 3rd pin.
Preferably, described arc extinguishing board is slid between holder and voltage protection component, makes holder and second pin
And the 3rd pin when isolating, the madial wall of sliding block and inner box against.
Preferably, described electrode slice two includes the electrode on the left of inner box and the clamping being arranged on the right side of electrode
Part, holder are made up of horizontally disposed short clamping limb and the long clamping limb parallel with short clamping limb, and the 3rd pin is arranged at
The lower right of two pins, free end and second pin low-temperature welding and the free end of long clamping limb and the 3rd pin of short clamping limb
Low-temperature welding is by dropout arc extinguishing component clamping position.
Preferably, the alarm interface coordinated with signal pedestal is set in described inner box bottom, before sliding block does not slide,
Alarm interface is closed by sliding block, and sliding block opens alarm interface after sliding, and closing or opening by alarm interface, makes letter
Number pedestal obtains different indication signals.
Preferably, the welding temperature and second pin and the welding temperature of electrode slice two of the 3rd described pin and electrode slice two
Degree difference is between 50 ~ 100 DEG C.
The beneficial effects of the utility model are：
1st, the voltage protection component of surge protector includes the first pin, second pin and the 3rd pin, second pin
Less than the welding temperature of the 3rd pin and electrode slice two, the first pin is used for high with electrode slice one welding temperature with electrode slice two
Temperature welding, second pin are used for the pre- dropout of surge protector, and the 3rd pin is used for the complete dropout of surge protector, in voltage
Two low-temperature welding pins that can be used for threading off are set in protection element, make surge protector that there is pre- tripping function, i.e., in electricity
When surge protector is close to overload, the dropout of second pin and electrode slice two is carried out, prompts user's surge protector just close to overload,
It need in time change, increase the use reliability of surge protector.
2nd, when surge protector is close to overload, second pin is threaded off first with electrode slice two, and dropout arc extinguishing component is by the
Two pins are isolated with electrode slice two, carry out arc extinguishing, but now the 3rd pin is protected with electrode slice two also in connection status, i.e. surge
Shield device does not locate the connection status do not threaded off completely also, still carries out lightning protection to the electrical equipment on circuit, and user can be the
After two pins are threaded off with electrode slice two, the surge protector that will be deteriorated or fail is changed, to avoid the occurrence of surge guarantor
The lightning protection cycle in time of device is protected, increases the security of electrical equipment.
, be used cooperatively with dropout arc extinguishing component and voltage protection component, in second pin and the 3rd pin and electrode slice two
After dropout, arc extinguishing is carried out with electrode slice two to pin in time and isolated, ensure that electric arc is complete after being threaded off after pre- thread off or completely
All off, the safe application performance of surge protector is higher.
The 4th, instruction alarm window is set in outer box, instruction alarm board is pasted on dropout arc extinguishing component, with dropout arc extinguishing
The slip of component, the color that instruction alarm board is right against instruction alarm window also change, indicate to accuse by indicating to alert in window therewith
The change of alert board color, can quickly judge surge protector status, prompt user complete after surge protector is threaded off in advance
Before full dropout, surge protector is changed in time, the use reliability of surge protector is higher.
The 5th, the alarm interface coordinated with signal pedestal is set in inner box bottom, the sliding block of dropout arc extinguishing component does not slide
Before, alarm interface is closed by sliding block, and sliding block opens alarm interface after sliding, closing or opening by alarm interface,
Signal pedestal is obtained different indication signals, with signal prompt user's surge protector status, further improve surge
The use reliability of protector.
Brief description of the drawings
Fig. 1 is to have the structural representation of the surge protector of pre- tripping function in normal state in embodiment
Figure.
Fig. 2 is the back side scheme of installation of inner box.
Fig. 3 is that the surge protector for having pre- tripping function in embodiment changes to complete dropout from normal condition
The process schematic of state, wherein A are the schematic diagram of surge protector normal condition, and B is the pre- trip status of surge protector
Schematic diagram, C are the schematic diagram under the complete trip status of surge protector.
Embodiment
1 ~ 3 pair of embodiment of the present utility model elaborates below in conjunction with the accompanying drawings.
Surge protector with pre- tripping function, including outer box 1 and snaps into position the inner box 2 in outer box 1, inner box 2
In isolate equipped with electrode slice 1, electrode slice 24, the voltage protection component 5 for realizing button deprotection and for arc extinguishing after dropout
Dropout arc extinguishing component 6, the high-temperature soldering of the first pin 51 of electrode slice 1 and voltage protection component 5, it is characterised in that described
The second pin 52 and the low-temperature welding of the 3rd pin 53 with voltage protection component 5, and the 3rd pin 53 and electricity respectively of electrode slice 24
The welding temperature of pole piece 24 is higher than second pin 52 and the welding temperature of electrode slice 24；
When surge protector is close to overload, second pin 52 is first threaded off with electrode slice 24 and separated, and dropout arc extinguishing component 6 will
Second pin 52 is isolated with the arc extinguishing of electrode slice 24；When surge protector overloads, the 3rd pin 53 is threaded off with electrode slice 24 again to be divided
From dropout arc extinguishing component 6 isolates voltage protection component 5 with 24 complete arc extinguishing of electrode slice.
In normal state, the pin 53 of second pin 52 and the 3rd is connected on electrode slice 24 surge protector, works as surge
Protector is deteriorated, and when the temperature of voltage protection component 5 raises, the dropout of surge protector is completed in two steps, and the first step is worked as
When surge protector is close to overload, voltage ensures that the temperature of element 5 reaches the welding temperature of second pin 52 and electrode slice 24
When, second pin 52 is threaded off with electrode slice 24 and separated, and dropout arc extinguishing component 6 isolates second pin 52 and the arc extinguishing of electrode slice 4,
Surge protector is in pre- trip status, and now the 3rd pin 53 also keeps connection with electrode slice 24, and surge protector is still located
In connection status, the electrical equipment on circuit can also be ensured, user, electricity are prompted by the pre- dropout of surge protector
Surge protector will overload failure, should change in time；As surge protector continues to deteriorate, the temperature of voltage protection component 5 continues
Rise, when having reached the welding temperature of the 3rd pin 53 and electrode slice 24, the 3rd pin 53 is threaded off with electrode slice 4 and separated, and is threaded off
Arc extinguishing component 6 isolates voltage protection component 5 and 24 complete arc extinguishing of electrode slice, i.e., the pin 53 of second pin 52 and the 3rd is equal
Isolate with the arc extinguishing of electrode slice 24, surge protector is in complete trip status, is disconnected with connection line, can not be again on circuit
Electrical equipment protected.The pre- dropout of surge protector is threaded off to complete, will pass through certain time interval, and user can be
This time is changed in interval to surge protector, avoids surge protector from " cycle in time " of lightning protection occur.
Wherein, described dropout arc extinguishing component 6 is the Elastic Sliding component that can be slided in inner box 2, described electrode slice
There is holder 41 on 24, holder 41 respectively with second pin 52 and the low-temperature welding of the 3rd pin 53, by dropout arc extinguishing component
6 clamping positions, when surge protector is close to overload, holder 41 is first threaded off with second pin 52 and separated, and dropout arc extinguishing component 6 is slided
Dynamic second pin 52 is isolated with holder 41, when surge protector overloads, holder 41 is threaded off with the 3rd pin 53 separate again,
Dropout arc extinguishing component 6 slides again makes voltage protection component 5 and holder 41 completely isolated.From figure 1 it appears that holder 41
Dropout arc extinguishing component 6 is clamped, the motion of limitation dropout arc extinguishing component 6, after second pin 52 and the dropout of electrode slice 24, folder
Gripping member 41 unclamps the part chucking power to dropout arc extinguishing component 6, and dropout arc extinguishing component 6 moves to second pin 52 and holder 41
Between, isolation arc extinguishing is carried out, after the 3rd pin 53 is threaded off with electrode slice 24, holder 41 is totally released to dropout arc extinguishing group
The chucking power of part 6, dropout arc extinguishing component 6 move, holder 41 and second pin and the 3rd pin are separated again, carry out every
From arc extinguishing.By holder 41 from the process for being clamped to release, ensure that dropout arc extinguishing component 6 slides in time, by pin and electrode
It is effectively spaced apart, extinguishes electric arc.
Wherein, instruction alarm window 11 is set in described outer box 1, pastes and is used on described dropout arc extinguishing component 6
The instruction alarm board 61 of surge protector status is indicated, described instruction alarm board 61 is arranged under instruction alarm window 11
Side, with the slip of dropout arc extinguishing component 6, the color that instruction alarm board 61 is right against instruction alarm window 11 also changes therewith, leads to
The change that instruction alarm piece 61 is right against the instruction alarm color of window 11 is crossed, the status of surge protector can be judged rapidly,
In actual use, instruction alarm board 61 can be divided into two kinds of greenish-yellow and yellow, when surge protector is in normal shape
Under state, the green area in instruction alarm board 61 is right against instruction alarm window 11, when surge protector is under pre- trip status,
The yellow area face instruction alarm window 11 in alarm board 61 is indicated, the color of the outer wall of inner box 2 is painted into red, works as surge protection
When device is in complete trip status, instruction alarm board 61 staggers with instruction alarm window 11, alerts in window 11 and can only see from instruction
Red, therefore the change of color in window 11 can be alerted by instruction, the status of surge protector is judged rapidly, in surge
When protector is in pre- trip status, yellow is shown by indicating to alert in window 11, to remind user, surge protector needs timely
Change.
Wherein, described dropout arc extinguishing component 6 include with inner box 2 slide rail coordinate sliding block 62, be fixed on sliding block 62
Arc extinguishing board 63 for arc extinguishing isolation and the compression spring 64 for promoting sliding block 62 to slide, described arc extinguishing board 63 are clamped in
Between holder 41 and voltage protection component 5, the slip of sliding block 62 is limited；Thread off and separate with second pin 52 when holder 41,
Compression spring 64 promotes sliding block 62 to slide, and drives arc extinguishing board 63 to slide between holder 41 and second pin 52, makes holder
41 isolate with second pin 52；To thread off and separate with the 3rd pin 53 when holder 41, compression spring 64 promotes sliding block 62 to slide again,
Drive arc extinguishing board 63 to slide between holder 41 and voltage protection component 5, holder 41 is drawn with second pin 52 and the 3rd
Pin 53 is isolated.From figure 3, it can be seen that limit sliding block with the welding of holder 41 and the pin 53 of second pin 52 and the 3rd
62 slip, sliding block 62 is promoted to slide by the recovery elastic force of compression spring 64 after dropout, so as to drive arc extinguishing board 63 to slide,
That is the attachment force of holder 41 and the pin 53 of second pin 52 or the 3rd is greater than the recovery elastic force of compression spring 64, ensures surge
In normal state, sliding block 62 is clamped the clamping position of part 41 to protector, and under pre- trip status, sliding block 62 is clamped after sliding
The clamping position again of part 41.
Specifically, described arc extinguishing board 63 is slid between holder 41 and voltage protection component 5, make holder 41 and
When two pins 52 and the 3rd pin 53 are isolated, the madial wall of sliding block 62 and inner box 2 against, after surge protector is threaded off completely,
Motion progress to sliding block 62 is spacing, and anti-limited slip block 62 continues slip and causes arc extinguishing board 63 to slip over arc position, ensures that second draws
Electric arc between the pin 53 of pin 52 and the 3rd and electrode slice 24 is completely isolated extinguishing.
Specifically, described electrode slice 24 includes the electrode 42 on the left of inner box 2 and is arranged on the right side of electrode 42
Holder 41, holder 41 is by horizontally disposed short clamping limb 41.1 and the long clamping limb 41.2 group parallel with short clamping limb 41.1
Into the 3rd pin 53 is arranged at the lower right of second pin 52, free end and the eutectic welding of second pin 52 of short clamping limb 41.1
Connect and the free end of long clamping limb 41.2 and the low-temperature welding of the 3rd pin 53 are by the clamping position of dropout arc extinguishing component 6, holder 41
Structure it is simple, it is simpler with the welding of electrode slice 24.
Wherein, the alarm interface 21 coordinated with signal pedestal is set in the described bottom of inner box 2, and sliding block 62 does not slide
Before, alarm interface 21 is closed by sliding block 62, and sliding block 62 opens alarm interface 21 after sliding, and passes through the envelope of alarm interface 21
Close or open, signal pedestal is obtained different indication signal, user can by the indication signal of monitoring signals base receptacle,
The rapid status for judging surge protector, after pre- thread off occurs for surge protector, changed in time.
Wherein, the 3rd described pin 53 and the welding temperature and second pin 52 of electrode slice 24 and the weldering of electrode slice 24
Jointing temp is differed between 50 ~ 100 DEG C, and in actual use, the welding temperature of second pin 52 and electrode slice 24 is 100 DEG C
Left and right, the welding temperature of the 3rd pin 53 and electrode slice 24 is 160 DEG C or so, 60 DEG C or so of temperature difference, makes surge protection
Device is threaded off from pre- thread off to complete, has certain interval duration, ensures that user has abundance before surge protector is changed
Circuit power-off time.
The pre- dropout guard method of the above-described surge protector with pre- tripping function, when surge protector approaches
During overload, second pin 52 is first threaded off with electrode slice 24 and separated, and dropout arc extinguishing component 6 goes out second pin 52 and electrode slice 24
Arc is isolated, and surge protector is in pre- trip status；
When surge protector overloads, the 3rd pin 53 is threaded off with electrode slice 24 separate again, and dropout arc extinguishing component 6 is by electricity
Pressure protection element 5 is isolated with 24 complete arc extinguishing of electrode slice, and surge protector is in complete trip status, and surge protector is from pre-
Thread off excessive to the state threaded off completely, realize pre- dropout protection of the surge protector to electrical equipment.
As shown in figure 3, when surge protector is in normal condition, as the pin 53 of second pin 52 and the 3rd is equal in A figures
Welded with electrode slice 24, dropout arc extinguishing component 6 does not slide, and the temperature of voltage protection component 5 is less than second pin 52 and electricity
The welding temperature of pole piece 24；When surge protector is in pre- trip status, the temperature of voltage protection component 5 is drawn higher than second
The welding temperature of pin 52 and electrode slice 24 but the welding temperature for being less than the 3rd pin 53 and electrode slice 24, as second draws in B figures
Pin 52 is threaded off with electrode slice 24 and separated, and dropout arc extinguishing component 6 is slid between second pin 52 and electrode slice 24, and the 3rd draws
Pin 53 is additionally attached to and on electrode slice 24, surge protector still connects in the line, and the electrical equipment in circuit can be carried out
Protection；When surge protector is in complete trip status, in C figures, the 3rd pin 53 is threaded off with electrode slice 4 and separated, and is threaded off
Arc extinguishing component 6 slides again, makes voltage protection component 5 and electrode slice 24 completely isolated, and surge protector disconnects with circuit, no
The electrical equipment in circuit can be protected again.Surge protector, excessively to complete trip status, has from pre- trip status
Certain duration interval, the preparation before user can carry out surge protector replacing with this section of duration interval, circuit disconnects,
So as to timely and surge protector is changed rapidly, the use reliability of surge protector and the security of electrical equipment are more
It is high.
Wherein, described second pin 52 and the welding temperature of electrode slice 24 and the weldering of the 3rd pin 53 and electrode slice 24
Jointing temp is according to the load range of surge protector and surge protector from pre- trip status excessively setting to complete trip status
Timing length determines, that is to say, that during practice, temperature, the generation dropout completely threaded off in advance occur for surge protector
Temperature, threaded off from pre- excessively to the time isolation threaded off completely, all according to the load range and surge protection of surge protector
Device excessively determines from pre- trip status to the setting duration of complete trip status, is meeting the premise of surge protector load requirements
Under, surge protector is threaded off from pre- excessively to during complete thread off, have and prepare the time that surge protector is changed, protect
The replacing of shield surge protector prepares ready before surge protector is threaded off completely.
The advantages of above-described surge protector and its guard method with pre- tripping function, is：
1st, surge protector has pre- tripping function, when surge protector is close to overload, carries out second pin and electrode
The dropout of piece two, user's surge protector is prompted close to overload, need to just to change in time, the use for increasing surge protector is reliable
Property.
2nd, after surge protector is in pre- dropout, lightning protection is still carried out to the electrical equipment on circuit, user can be right
The surge protector that will be deteriorated or fail is changed, to avoid the occurrence of the lightning protection cycle in time of surge protector, increase
The security of electrical equipment.
, be used cooperatively with dropout arc extinguishing component and voltage protection component, in second pin and the 3rd pin and electrode slice two
After dropout, arc extinguishing is carried out with electrode slice two to pin in time and isolated, ensure that electric arc is complete after being threaded off after pre- thread off or completely
All off, the safe application performance of surge protector is higher.
The 4th, instruction alarm window is set in outer box, instruction alarm board is pasted on dropout arc extinguishing component, with dropout arc extinguishing
The slip of component, the color that instruction alarm board is right against instruction alarm window also change, indicate to accuse by indicating to alert in window therewith
The change of alert board color, can quickly judge surge protector status, prompt user complete after surge protector is threaded off in advance
Before full dropout, surge protector is changed in time, the use reliability of surge protector is higher.
The 5th, the alarm interface coordinated with signal pedestal is set in inner box bottom, the sliding block of dropout arc extinguishing component does not slide
Before, alarm interface is closed by sliding block, and sliding block opens alarm interface after sliding, closing or opening by alarm interface,
Signal pedestal is obtained different indication signals, with signal prompt user's surge protector status, further improve surge
The use reliability of protector.
Completely description is carried out to the technical scheme of embodiment of the present utility model, it is necessary to which explanation is institute above in association with accompanying drawing
The embodiment of description is only part of the embodiment of the present utility model.It is general based on the embodiment in the utility model, this area
The every other embodiment that logical technical staff is obtained on the premise of creative work is not made, belongs to the utility model
The scope of protection.
Claims (8)
1. the surge protector with pre- tripping function, including outer box（1）With snaps into position in outer box（1）Interior inner box（2）, it is interior
Box（2）In electrode slice one is housed（3）, electrode slice two（4）, for realize button deprotection voltage protection component（5）With for taking off
The dropout arc extinguishing component that arc extinguishing is isolated after button（6）, electrode slice one（3）With voltage protection component（5）The first pin（51）High temperature
Welding, it is characterised in that described electrode slice two（4）Respectively with voltage protection component（5）Second pin（52）With the 3rd pin
（53）Low-temperature welding, and the 3rd pin（53）With electrode slice two（4）Welding temperature be higher than second pin（52）With electrode slice two
（4）Welding temperature；
When surge protector is close to overload, second pin（52）First and electrode slice two（4）Thread off and separate, dropout arc extinguishing component（6）
By second pin（52）With electrode slice two（4）Arc extinguishing is isolated；When surge protector overloads, the 3rd pin（53）Again with electrode slice two
（4）Thread off and separate, dropout arc extinguishing component（6）By voltage protection component（5）With electrode slice two（4）Complete arc extinguishing isolation.
2. the surge protector according to claim 1 with pre- tripping function, it is characterised in that described dropout arc extinguishing
Component（6）For can be in inner box（2）The Elastic Sliding component of middle slip, described electrode slice two（4）It is upper that there is holder（41）, folder
Gripping member（41）Respectively with second pin（52）With the 3rd pin（53）Low-temperature welding, by dropout arc extinguishing component（6）Clamping position, electricity
When surge protector is close to overload, holder（41）Elder generation and second pin（52）Thread off and separate, dropout arc extinguishing component（6）Slip makes
Two pins（52）With holder（41）Isolation, when surge protector overloads, holder（41）Again with the 3rd pin（53）Thread off and divide
From dropout arc extinguishing component（6）Sliding again makes voltage protection component（5）With holder（41）It is completely isolated.
3. the surge protector according to claim 2 with pre- tripping function, it is characterised in that in described outer box（1）
It is upper that instruction alarm window is set（11）, in described dropout arc extinguishing component（6）On paste for indicating surge protector status
Instruction alarm board（61）, described instruction alarm board（61）It is arranged on instruction alarm window（11）Lower section, with dropout arc extinguishing group
Part（6）Slip, instruction alarm board（61）It is right against instruction alarm window（11）Color also change therewith.
4. the surge protector according to claim 2 with pre- tripping function, it is characterised in that described dropout arc extinguishing
Component（6）Including with inner box（2）The sliding block that middle slide rail coordinates（62）, be fixed on sliding block（62）The upper arc extinguishing board for arc extinguishing isolation
（63）With for promoting sliding block（62）The compression spring of slip（64）, described arc extinguishing board（63）It is clamped in holder（41）With
Voltage protection component（5）Between, limit sliding block（62）Slip；
Work as holder（41）With second pin（52）Thread off and separate, compression spring（64）Promote sliding block（62）Slide, drive arc extinguishing
Plate（63）Slide into holder（41）With second pin（52）Between, make holder（41）With second pin（52）Isolation；
Work as holder（41）With the 3rd pin（53）Thread off and separate, compression spring（64）Sliding block is promoted again（62）Slide, drive is gone out
Arc plate（63）Slide into holder（41）With voltage protection component（5）Between, make holder（41）With second pin（52）And the
Three pins（53）Isolate.
5. the surge protector according to claim 4 with pre- tripping function, it is characterised in that described arc extinguishing board
（63）Slide into holder（41）With voltage protection component（5）Between, make holder（41）With second pin（52）And the 3rd draw
Pin（53）When isolating, sliding block（62）With inner box（2）Madial wall against.
6. the surge protector according to claim 2 with pre- tripping function, it is characterised in that described electrode slice two
（4）Including mounted in inner box（2）The electrode in left side（42）Be arranged on electrode（42）The holder on right side（41）, holder（41）By
Horizontally disposed short clamping limb（41.1）With with short clamping limb（41.1）Parallel long clamping limb（41.2）Composition, the 3rd pin
（53）It is arranged at second pin（52）Lower right, short clamping limb（41.1）Free end and second pin（52）Low-temperature welding and
Long clamping limb（41.2）Free end and the 3rd pin（53）Low-temperature welding is by dropout arc extinguishing component（6）Clamping position.
7. the surge protector according to claim 4 with pre- tripping function, it is characterised in that in described inner box（2）
Bottom sets the alarm interface coordinated with signal pedestal（21）, sliding block（62）Before not sliding, alarm interface（21）By sliding block
（62）Closing, sliding block（62）By alarm interface after sliding（21）Open, pass through alarm interface（21）Closing or opening, make
Signal pedestal obtains different indication signals.
8. the surge protector according to claim 1 with pre- tripping function, it is characterised in that the 3rd described pin
（53）With electrode slice two（4）Welding temperature and second pin（52）With electrode slice two（4）Welding temperature differ 50 ~ 100
Between DEG C.
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| CN201720462280.7U CN206711855U (en) | 2017-04-28 | 2017-04-28 | Surge protector with pre- tripping function |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106910663A (en) * | 2017-04-28 | 2017-06-30 | 湖南中普技术股份有限公司 | Surge protector and its guard method with pre- tripping function |
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2017
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106910663A (en) * | 2017-04-28 | 2017-06-30 | 湖南中普技术股份有限公司 | Surge protector and its guard method with pre- tripping function |
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