CN209374373U - A kind of fast current cutting cut-off device and equipment - Google Patents
A kind of fast current cutting cut-off device and equipment Download PDFInfo
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- CN209374373U CN209374373U CN201920122407.XU CN201920122407U CN209374373U CN 209374373 U CN209374373 U CN 209374373U CN 201920122407 U CN201920122407 U CN 201920122407U CN 209374373 U CN209374373 U CN 209374373U
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Abstract
The utility model provides a kind of fast current cutting cut-off device, and including gas generating unit, insulating body and across the copper-base of insulating body, two pins that copper-base is oppositely arranged are emerging in except insulating body, and copper-base includes the conductive sheet of opposite copper-base other parts weakness；There is the blind hole through the through-hole of insulating body one side wall and with the through-hole face in insulating body, through-hole and blind hole are placed in the opposite sides of conductive sheet, be equipped in through-hole can be connect with gas generating unit cut-off grid, cut-offfing grid includes the ontology that can be slided along through-hole wall, the insertion section that opposite end among ontology towards the cutting portion of conductive sheet direction extension and from ontology extends to blind hole direction, two insertion sites are in the opposite sides of cutting portion, before gas generating unit is triggered, cutting portion is with or without conductive sheet, gas generating unit can push after being triggered to be cut-off grid movement and cutting portion is made to cut off conductive sheet, insertion section is set to be inserted into blind hole.The utility model also provides a kind of fast current cut-off equipment.
Description
Technical field
The utility model relates to automobile equipment technical field more particularly to a kind of fast current cutting cut-off device and equipment.
Background technique
With the rapid development of electric vehicles, electric system in the process of running, encounters following bottleneck problem: just
Under normal operating condition, hundred meters of acceleration can be completed in 3s, or continuously upper abrupt slope, so that its boost phase or the electric current of climbing may be up to
It is more than 3 times of rated current, pulsewidth tens of seconds；Under fault condition, when lithium battery is in low capacity low temperature state, short circuit current
Peak value is most down to below 4 times of rated current.Therefore current difference minimum between both operating conditions, proposes short-circuit protection equipment
High selectivity requirement is gone out.With regard to the problem, the equal nothing of well-known conventional electric power system protection enterprise such as EAT ring N (B Μ SSMANN)
Preferable solution, be badly in need of it is a kind of with excellent resistance characteristics while also have both quick short circuit breaking characteristic, can be with
Properly settle the technical solution for the bottleneck problem that electric car protecting electrical power system encounters.
Utility model content
In view of this, the embodiments of the present invention provide a kind of fast current cutting cut-off device and equipment, both had
Also have both quick short circuit breaking characteristic while excellent resistance characteristics, electric car power train blanket insurance can also be properly settled
Protect the bottleneck problem encountered.
The embodiments of the present invention provide a kind of fast current cutting cut-off device, including gas generating unit, insulation are originally
Body and copper-base across the insulating body, two pins that the copper-base is oppositely arranged are emerging in except the insulating body, institute
State the conductive sheet that copper-base includes the relatively described copper-base other parts weakness；Have in the insulating body and runs through insulating body side
The through-hole of wall and blind hole with the through-hole face, the through-hole and the blind hole are placed in the opposite sides of the conductive sheet, institute
State the grid of cut-offfing for being equipped with and being connect in through-hole with the gas generating unit, it is described cut-off grid include can be along the through-hole
The ontology of inner wall sliding, the cutting portion extended among the ontology towards the conductive sheet direction and from the ontology
The insertion section that opposite end extends to blind hole direction, two insertion sites are described in the opposite sides of the cutting portion
Before gas generating unit is triggered, the cutting portion is touched with or without the conductive sheet, the gas generating unit
The grid of cut-offfing can be pushed to move and the cutting portion is made to cut off the conductive sheet, keep the insertion section insertion described blind after hair
Hole.
Further, the through-hole and the blind hole are setting up and down, and the bottom surface of the blind hole is recessed with downwards two insertion grooves,
The lower end of the insertion section is lower than the lower end of the cutting portion, after the gas generating unit is triggered, two insertion sections
Lower end is inserted into respectively in two insertion grooves, in blind hole described in the lower end in contact of the cutting portion between two insertion grooves
Bottom surface.
Further, intermediate several sealing rings and several liner plates with insertion seam are contained in the blind hole, it is described close
Seal and the liner plate intersect stacking in the up-down direction, after the gas generating unit is triggered, the cutting portion from up to
Under across all sealing rings and liner plate insertion stitch and finally contacted with the bottom surface of the blind hole.
Further, also there are two inserting holes, two inserting holes are placed in corresponding institute on the sealing ring and the liner plate
The opposite end of insertion seam is stated, after the gas generating unit is triggered, two insertion sections are each passed through corresponding inserting hole
And then it is inserted into the corresponding insertion groove, and the insertion section and the inserting hole and insertion groove close contact or nothing
Sew up touching.
Further, the making material of the sealing ring is more soft than the making material of the liner plate, and is located at the blind hole
Uppermost is the sealing ring, the following table face contact of the upper surface of the sealing ring and the copper-base；The sealing ring and liner plate
Insertion stitch length having the same and different width.
Further, the conductive sheet traverses the copper-base in the direction of the width, and the cutting portion is laminated structure, can be from
The conductive sheet is completely cut through in width direction, the lower end of the cutting portion is the edge of a knife of wedge structure.
Further, the copper-base has breaking joint in the insulating body and the copper-base is divided into the by the breaking joint
One copper-base and the second copper-base, the conductive sheet by between the breaking joint or cover the breaking joint make disconnect the first copper-base
It is connected with each other with the second copper-base.
Further, first copper-base be inserted into one end in the insulating body include the first insertion end, described second
One end that copper-base is inserted into the insulating body includes the second insertion end, and first insertion end and the second insertion end one the first from left are right
It is oppositely arranged, opens up jagged in first insertion end and the second insertion end, two notches are for increasing described first
Creepage distance between insertion end and the second insertion end.
Further, the insulating body includes upper casing and lower casing, has between the upper casing and lower casing and to be oppositely arranged
Two channels also have one to cut-off section between the upper casing and lower casing, the through-hole is set to the upper casing, and the blind hole is set to institute
Lower casing is stated, section, two channels, through-hole and the blind hole of cut-offfing is interconnected；First insertion end and the second insertion end difference
Across two channel and extend to it is described cut-off in section, two notches setting upward and symmetrically, each notch
In partial region be located at it is described cut-off in section, remaining region is located in the corresponding channel.
Further, described to cut-off grid and connect the gas generating unit by piston, the piston can be along described logical
Hole internal motion, the high pressure draught that the gas generating unit generates after being triggered push described open by pushing the piston
Disconnected grid cuts off the conductive sheet；The side wall of the piston is equipped with annular groove, has been equipped with airtight effect in the annular groove
Annular ring, annular ring are contacted with the inner wall of the through-hole, thus generated after preventing the gas generating unit to be triggered
Copper-base described in gas flow and the conductive sheet.
The embodiments of the present invention also provide a kind of fast current cut-off equipment, including cut-off device and fuse, described
Cut-off device includes gas generating unit, insulating body and the copper-base across the insulating body, the copper-base and the fuse
Parallel connection, the copper-base include weak conductive sheet；Have in the insulating body through insulating body one side wall through-hole and with
The blind hole of the through-hole face, the through-hole and the blind hole are placed in the opposite sides of the conductive sheet, installation in the through-hole
There is the grid of cut-offfing that can be connect with the gas generating unit, the grid of cut-offfing includes the sheet that can be slided along the through-hole wall
Body, the cutting portion extended among the ontology towards the conductive sheet direction and opposite end from the ontology are to blind
The insertion section that hole direction extends, two insertion sites are in the opposite sides of the cutting portion, the gas generating unit
Before being triggered, the cutting portion can push institute after being triggered with or without the conductive sheet, the gas generating unit
It states and cut-offs grid movement and the cutting portion is made to cut off the conductive sheet, the insertion section is made to be inserted into the blind hole.
The embodiments of the present invention also provide a kind of fast current cut-off equipment, including cut-off device and monitoring device, institute
Stating cut-off device includes gas generating unit, insulating body and the copper-base across the insulating body, and the copper-base includes weak
Conductive sheet；There is the blind hole through the through-hole of insulating body one side wall and with the through-hole face in the insulating body, it is described logical
Hole and the blind hole are placed in the opposite sides of the conductive sheet, are equipped with and can connect with the gas generating unit in the through-hole
What is connect cut-offs grid, it is described cut-off grid include can along the ontology that the through-hole wall slides, among the ontology towards institute
The insertion section that the cutting portion and opposite end from the ontology for stating the extension of conductive sheet direction extend to blind hole direction,
Two insertion sites are in the opposite sides of the cutting portion, before the gas generating unit is triggered, the cutting portion contact
Or the conductive sheet is not contacted, the monitoring device is for monitoring the electric current for flowing through the copper-base and filling with the gas
Setting connection can push described for triggering the gas generating unit, the gas generating unit in current anomaly after being triggered
It cut-offs grid movement and the cutting portion is made to cut off the conductive sheet, the insertion section is made to be inserted into the blind hole.
The embodiments of the present invention also provide a kind of fast current cut-off equipment, including cut-off device, fuse and monitoring
Device, the cut-off device include gas generating unit, insulating body and the copper-base across the insulating body, the copper-base and institute
Fuse parallel connection is stated, and the copper-base includes weak conductive sheet；Have in the insulating body and runs through insulating body one side wall
Through-hole and blind hole with the through-hole face, the through-hole and the blind hole be placed in the opposite sides of the conductive sheet, it is described
The grid of cut-offfing that can be connect with the gas generating unit is installed in through-hole, it is described cut-off grid include can be along the through-hole
The ontology of wall sliding, the cutting portion extended among the ontology towards the conductive sheet direction and from the phase of the ontology
To the insertion section that both ends extend to blind hole direction, two insertion sites are in the opposite sides of the cutting portion, the gas
Before body generating device is triggered, the cutting portion is with or without the conductive sheet, and the monitoring device is for monitoring stream
Electric current through the copper-base is simultaneously connect with the gas generating unit for triggering the gas generating unit in current anomaly,
The gas generating unit can push the grid of cut-offfing to move and the cutting portion is made to cut off the conductive sheet, make after being triggered
The blind hole is inserted into the insertion section.
The technical solution that the embodiments of the present invention provide has the benefit that described in the utility model quick
Failure of current cut-off device is triggered to cutting copper-base by gas generating unit to the circulation of turn-off current, is located at cutting portion
It is generated when the insertion section of two sides effectively can prevent high current to be disconnected and climbs electricity and facilitate fast arc extinction, can not only made
Cut-off device described in the utility model has excellent resistance characteristics, but also has and quickly divide in current anomaly or open circuit
Disconnected characteristic, so as to properly settle the bottleneck problem that electric car protecting electrical power system encounters.Meanwhile the utility model institute
The fast current cutting cut-off device and its system structure compact and reasonable stated.
Detailed description of the invention
Fig. 1 is that the fast current cutting cut-off device of the utility model is in the perspective view of dissengaged positions；
Fig. 2 is the cross-sectional view when fast current cutting cut-off device of the utility model is not cut off；
Fig. 3 is the schematic diagram for cut-offfing grid and sealing ring, liner plate of the fast current cutting cut-off device of the utility model；
Fig. 4 is the schematic diagram of the lower casing of the fast current cutting cut-off device of the utility model.
Specific embodiment
It is practical new to this below in conjunction with attached drawing to keep the purpose of this utility model, technical solution and advantage clearer
Type embodiment is further described.
Fig. 1 and Fig. 2 are please referred to, the embodiments of the present invention provide a kind of fast current cutting cut-off device, including gas
Body generating device 5, insulating body 1 and copper-base 2.
Fig. 1 to Fig. 3 is please referred to, the insulating body 1 includes upper casing 11 and lower casing 12, between the upper casing 11 and lower casing 12
Also have one to cut-off section with two channels 112 being oppositely arranged, between the upper casing 11 and lower casing 12, is set in the upper casing 11
There is the upper side wall for extending upward through the upper casing 11, downwards with the through-hole 111 for cut-offfing section and being connected to, is equipped in the lower casing 12
With the blind hole 121 cut-offfing section and being connected to, the blind hole 121 there is no running through the lower casing 12, two channel 112 also with
It is described to cut-off section connection.
In the present embodiment, with two pins 211 of the through-hole 111 and the blind hole 121 copper-base 2 setting up and down, described,
It is illustrated, but is not limited for 221 left and right settings, all or principles similar to the thinking of the utility model are similar
Design, belongs to the range covered of the utility model.
Fig. 1 to Fig. 3 is please referred to, the gas generating unit 5 is located in the through-hole 111, is equipped in the through-hole 111
Grid 3 is cut-off in the insulation that can be connect with the gas generating unit 5, and the grid 3 of cut-offfing is located at the gas generating unit 5
Lower section.It is described cut-off grid 3 include can along the ontology 31 that 111 inner wall of through-hole slides, among the ontology 31 downwards
The insertion section 34 that the cutting portion 32 of extension and opposite end from the ontology 31 extend to 121 direction of blind hole, described in two
Insertion section 34 is located at the opposite sides of the cutting portion 32.It is preferred that the opposite end of the cutting portion 32 be separately connected two it is described insert
Enter portion 34, the cutting portion 32 and two insertion sections 34 constitute substantially " I " fonts；Further, the wall of the insertion section 34
Thickness is greater than the thickness of the cutting portion 32, and the lower end of the insertion section 34 is lower than the lower end of the cutting portion 32.The insertion
The effect in portion 34 is to increase to climb electric difficulty, prevents from generating when high current disconnects suddenly and climbs electricity, and has the function of arc extinguishing.
Fig. 3 and Fig. 4 are please referred to, the blind hole 121 is generally cubic in construction, and bottom surface is recessed with downwards two insertion grooves
124, each insertion groove 124 is also generally cubic in construction, as long as can dock with the insertion section 34, the insertion groove
124 are not excluded for other shape and structures.If contained in the blind hole 121 intermediate several sealing rings 122 with insertion seam b and
Dry liner plate 123, the sealing ring 122 and the liner plate 123 intersect stacking in the up-down direction.The sealing ring 122 and described
Also there are two inserting hole c, two inserting hole c to be placed in the opposite end of the corresponding insertion seam b, thus accordingly on liner plate 123
Two inserting hole c and insertion seam b constitute " I " fonts, be preferably inserted into seam b and be arranged perpendicular to inserting hole c, and the insertion seam b
Length is greater than the length of the inserting hole c, and the width of the insertion seam b is less than the width of the inserting hole c.The gas occurs
After device 5 is triggered, two insertion sections 34 are each passed through corresponding inserting hole c and then are inserted into the corresponding insertion groove 124
In, and the insertion section 34 and the inserting hole c and the insertion groove 124 be in close contact or it is seamless contact, and described cut
Disconnected portion 32 passes through the insertion seam b of all sealing rings 122 and liner plate 123 from top to bottom and finally the bottom surface with the blind hole 12 connects
Touching.By above-mentioned close contact or seamless contact, electric arc is overflowed or is climbed out of when can prevent high current from disconnecting suddenly, to rise
It is acted on to arc extinguishing.
The making material of the sealing ring 122 is more soft than the making material of the liner plate 123, and the liner plate 123 is mainly used
In the corresponding sealing ring 122 of support, and the liner plate 123 also plays the role of increasing creepage distance, and can be disconnected in copper-base 2
Auxiliary extinction of arc when electric.And it is the sealing ring 122, the upper surface of the sealing ring 122 that it is uppermost, which to be located at the blind hole 121,
With the following table face contact of the copper-base 2.The insertion seam b length having the same of the sealing ring 122 and liner plate 123 and different
Width, thus make the insertion being stacked with seam b inside it is uneven, therefore can further sealing while increase climb electricity away from
From.The main function of the sealing ring 122 is sealing electric arc and arc extinguishing.
Fig. 1 and Fig. 2 are please referred to, the copper-base 2 passes through the insulating body 1, and two pins that the copper-base 2 is oppositely arranged
211, it 221 is emerging in except the insulating body 1, the copper-base 2 includes the conductive sheet of the relatively described copper-base other parts weakness
24, the through-hole 111 and the blind hole 121 are placed in the opposite sides of the conductive sheet 24.
In the present embodiment, the copper-base 2 can have a variety of structures feature: feature 1, and the copper-base 2 is integrally formed, described to lead
Electric piece 24 belongs to a part of the copper-base 2, at this point, the conductive sheet 24 is easily broken groove (such as v together on the copper-base 2
Shape slot, U-lag, rectangular channel etc.), the cutting portion 32 is directed at the groove, is realized described in cutting by cutting off the groove
Copper-base 2；Feature 2, the copper-base 2 is integrally formed, including two thickness portions and a bridge part, and the bridge part thickness portion is thin, institute
It states bridge part and connects two thickness portions, the bridge part can connect the upper surface in the two thickness portions, at this moment the lower section of the bridge part
Hollow out, the bridge part can connect the lower surface in the two thickness portions, at this moment the top hollow out of the bridge part, the bridge part
The centre in the two thickness portions can also be connected, at this moment equal hollow out above and below the bridge part, the cutting portion 32 is aligned
The bridge part realizes the cutting copper-base 2 by cutting off the bridge part；Feature 3, referring to FIG. 2, the copper-base 2 exists
There is breaking joint 23 in the insulating body 1 and divided the copper-base 2 for the first copper-base 21 and the second copper-base 22 by the breaking joint 23,
The conductive sheet 24 is metal block, is made of materials such as silver, copper, aluminium and its alloys, is stuck in or is clipped in or be fixed on institute
It states in breaking joint 23, first copper-base 21 and second copper-base 22 are made of materials such as copper, aluminium and its alloys, i.e., the described copper
Pole 2 consists of three parts: the first copper-base 21, the second copper-base 22 and conductive sheet 24, and the conductive sheet 24 is by being located at the breaking joint
To make the first copper-base 21 disconnected and the second copper-base 22 be connected with each other between 23；Feature 4, the difference between feature 4 and feature 3
For the conductive sheet 24 is sheet metal, covers the upper opening of the breaking joint 23 or the lower opening of the covering breaking joint
To make the first copper-base 21 disconnected and the second copper-base 22 be connected with each other.Conductive sheet 24 in preferred feature 3 and feature 4 with it is described
It is connect between first copper-base 21 and second copper-base 22 using welding, is welded using between the first copper-base 21 and the second copper-base 22
It connects the structure of laminar conductive sheet 24 and not only meets the through-flow temperature increase requirement of high current as through-flow circuit, but also reduce and interrupt
Energy needed for this conductive sheet 24.Other than feature in above-mentioned 4, it can also be other features, no longer go to live in the household of one's in-laws on getting married one by one herein
It states.
The conductive sheet 24 traverses the copper-base 2 in the direction of the width, and the cutting portion 32 is laminated structure, can be from width
Completely cut through the conductive sheet 24 on direction, the lower end of the cutting portion 32 is the edge of a knife 33 of wedge structure, using the edge of a knife 33 come
Described conductive 24 are cut off, energy needed for cutting conductive sheet 24 can be further decreased.
It includes the first insertion end, second copper-base 22 that first copper-base 21, which is inserted into one end in the insulating body 1,
The one end for being inserted into the insulating body 1 includes the second insertion end, the phase of first insertion end and one the first from left of the second insertion end right side
To setting.First copper-base 21 and second copper-base 22 are slab construction, in other embodiments, first insertion
End and second insertion end are slab construction, and other parts of first copper-base 21 in addition to first insertion end can be with
For the other shapes feature to meet the requirements, other parts of second copper-base 22 in addition to second insertion end can also be conjunction
Desired other shapes feature.
The opposite sides of first insertion end and second insertion end, which is recessed with, allows bit space 25, two insertion sections
34 pass through the corresponding bit space 25 that allows.
Jagged a is opened up in first insertion end and the second insertion end, the two notch a are for increasing described first
Creepage distance between insertion end and the second insertion end.Specifically, first insertion end and the second insertion end are each passed through institute
State two channels 112 and extend to it is described cut-off in section, the two notch a setting upward and symmetrically, in each notch a
Partial region be located at it is described cut-off in section, remaining region is located in the corresponding channel 112.
Described to cut-off grid 3 and connect the gas generating unit 5 by piston 4, the piston 4 can be along the through-hole 111
Internal motion, the high pressure draught that the gas generating unit 5 generates after being triggered push described open by pushing the piston 4
Disconnected grid 3 cuts off the conductive sheet 24.The gas generating unit 5 is priming system, and after being triggered, i.e., the described priming system is detonated
Afterwards, high pressure draught can be generated, high pressure draught has great thrust in the channel 111, moves the work by the way that the thrust is logical
4 moving downward sharply of plug, then cut-offs grid 3 described in the promotion of the piston 4 sharply and moves downward, to make the cutting
Portion 32 cuts off the conductive sheet 24, the insertion section 34 is made to be inserted into the blind hole 121.Since what is led on the copper-base 2 is big electricity
Stream, when copper-base 2 is cut off, if electric current is likely to cut-off grid 3 described in breakdown upwards, therefore necessary without the piston 4
Using the piston of insulation as transition, thus come ensure the cut-off device using safe, increase tolerance.
The gas that priming system explosion time generates can be conductive, connection can be made to disconnect if gas flow copper-base 2 after igniting
Copper-base 2 reconnects, therefore cannot allow the gas flow copper-base.For this purpose, the side wall of the piston 4 is equipped with annular groove 41, it is described
The annular ring 42 of airtight effect is equipped in annular groove 41, annular ring 42 is contacted with the inner wall of the through-hole 111, thus anti-
Copper-base 2 described in the gas flow that only gas generating unit generates after being triggered and the conductive sheet 24.
The upper side of the upper casing 11 is installed with gland 7, is ladder between the gland 7 and the upper side of the upper casing 11
Type contact mode can either increase contact area, reduce impact force when priming system is detonated, and can preferably make the pressure
Lid 7 and the upper casing 11 are fixed to each other.By the collective effect of the gland 7 and the through-hole 111, the priming system 51 is limited
It position and is fixed in the through-hole 111, the central area of the gland 7 offers perforation 71, the perforation 71 and the through-hole
111 connections.The bulk gas that priming system generates after being detonated flows away upwards from the through-hole 111, passes through 71 row of perforation
Out.
The utility model also provides a kind of fast current cut-off equipment, which is above-mentioned quick
Increase fuse on the basis of failure of current cut-off device, by the opposite end of the fuse respectively with the copper-base 2
Two pins 211,221 connect and realize that the fuse is in parallel with the copper-base, and the resistance of the fuse is much larger than described
The resistance of copper-base, when normal, electric current passes through from the copper-base 2, and the fuse is equivalent to open circuit, when electric current occurs abnormal,
The gas generating unit is triggered when the copper-base 2 being caused to be disconnected, and electric current is directed to the fuse and makes described molten
Disconnected device fusing realizes arc extinguishing so as to prevent high current from generating electric arc in 2 gap of copper-base with this.
The utility model also provides another fast current cut-off equipment, which is above-mentioned fast
Monitoring device is increased on the basis of fast failure of current cut-off device, the monitoring device is for monitoring the electric current for flowing through the copper-base
And connect with the gas generating unit for triggering the gas generating unit in current anomaly, the monitoring transposition includes
The Hall element that the electric current flowed through on the copper-base can be monitored by magnetic induction, the processing chip being connect with the Hall element
With with the firing circuit that connect of processing chip, the processing chip passes through judge electric current that the Hall element monitors is whether
For abnormal current to determine whether the firing circuit is excited to discharge, the firing circuit can ignite the gas by discharging
Generating device makes the gas generating unit be triggered, and when current anomaly, the processing chip excites the firing circuit
Ignite the gas generating unit.The Hall element and the copper-base non-contact inductive.
The utility model also provides another fast current cut-off equipment, which is above-mentioned fast
Monitoring device and fuse are increased on the basis of fast failure of current cut-off device, the fuse is in parallel with the copper-base 2, described
Monitoring device is for monitoring the electric current for flowing through the copper-base and connecting with the gas generating unit for the touching in current anomaly
Send out gas generating unit described.
Increase the fuse and/or monitoring device on the basis of the fast current cuts off cut-off device, facilitates
The integrated level and globality for increasing the fast current cut-off equipment can greatly facilitate the fast current cut-off equipment
As a whole in assembling and automobile.
Herein, the nouns of locality such as related front, rear, top, and bottom are to be located in figure with components in attached drawing and zero
Part mutual position defines, only for the purpose of expressing the technical solution clearly and conveniently.It should be appreciated that the noun of locality
Use should not limit the claimed range of the application.
In the absence of conflict, the feature in embodiment and embodiment herein-above set forth can be combined with each other.
The above is only the preferred embodiment of the present invention, is not intended to limit the utility model, all practical at this
Within novel spirit and principle, any modification, equivalent replacement, improvement and so on should be included in the guarantor of the utility model
Within the scope of shield.
Claims (13)
1. a kind of fast current cuts off cut-off device, it is characterised in that: including gas generating unit, insulating body and pass through described exhausted
The copper-base of edge ontology, two pins that the copper-base is oppositely arranged are emerging in except the insulating body, and the copper-base includes opposite
The conductive sheet of the copper-base other parts weakness；Have in the insulating body through insulating body one side wall through-hole and with this
The blind hole of through-hole face, the through-hole and the blind hole are placed in the opposite sides of the conductive sheet, are equipped in the through-hole
What can be connect with the gas generating unit cut-offs grid, and the grid of cut-offfing includes the sheet that can be slided along the through-hole wall
Body, the cutting portion extended among the ontology towards the conductive sheet direction and opposite end from the ontology are to blind
The insertion section that hole direction extends, two insertion sites are in the opposite sides of the cutting portion, the gas generating unit
Before being triggered, the cutting portion can push institute after being triggered with or without the conductive sheet, the gas generating unit
It states and cut-offs grid movement and the cutting portion is made to cut off the conductive sheet, the insertion section is made to be inserted into the blind hole.
2. fast current as described in claim 1 cuts off cut-off device, it is characterised in that: divided into the through-hole and the blind hole
It sets, the bottom surface of the blind hole is recessed with downwards two insertion grooves, and the lower end of the insertion section is lower than the lower end of the cutting portion, described
After gas generating unit is triggered, the lower end of two insertion sections is inserted into respectively in two insertion grooves, under the cutting portion
Bottom surface in blind hole described in end in contact between two insertion grooves.
3. fast current as claimed in claim 2 cuts off cut-off device, it is characterised in that: containing centre in the blind hole has
Several sealing rings and several liner plates of seam are inserted into, the sealing ring and the liner plate intersect stacking, the gas in the up-down direction
After body generating device is triggered, the cutting portion pass through from top to bottom the insertion seam of all sealing rings and liner plate and finally with it is described
The bottom surface of blind hole contacts.
4. fast current as claimed in claim 3 cuts off cut-off device, it is characterised in that: on the sealing ring and the liner plate also
With two inserting holes, two inserting holes are placed in the opposite end of the corresponding insertion seam, and the gas generating unit is triggered
Afterwards, two insertion sections, which are each passed through, corresponding inserting hole and then is inserted into the corresponding insertion groove, and the insertion section with
The inserting hole and insertion groove close contact or seamless contact.
5. fast current as claimed in claim 3 cuts off cut-off device, it is characterised in that: the making material of the sealing ring compares institute
The making material for stating liner plate is soft, and it is the sealing ring, the upper surface of the sealing ring and institute that it is uppermost, which to be located at the blind hole,
State the following table face contact of copper-base；Length having the same and different width are stitched in the insertion of the sealing ring and liner plate.
6. fast current as described in claim 1 cuts off cut-off device, it is characterised in that: the conductive sheet is horizontal in the direction of the width
The copper-base is passed through, the cutting portion is laminated structure, the conductive sheet can be completely cut through from the width direction, the cutting portion
Lower end is the edge of a knife of wedge structure.
7. fast current as described in claim 1 cuts off cut-off device, it is characterised in that: the copper-base is in the insulating body
The copper-base is divided into the first copper-base and the second copper-base with breaking joint and by the breaking joint, the conductive sheet is by being located at the breaking joint
Between or cover the breaking joint and make disconnect the first copper-base and the second copper-base be connected with each other.
8. fast current as claimed in claim 7 cuts off cut-off device, it is characterised in that: first copper-base is inserted into the insulation
Intrinsic one end includes the first insertion end, and one end that second copper-base is inserted into the insulating body includes the second insertion end,
First insertion end and the second insertion end one the first from left is right is oppositely arranged, is opened in first insertion end and the second insertion end
Equipped with notch, two notches are used to increase the creepage distance between first insertion end and the second insertion end.
9. fast current as claimed in claim 8 cuts off cut-off device, it is characterised in that: the insulating body includes upper casing under
Shell has two channels being oppositely arranged between the upper casing and lower casing, also have one to cut-off section between the upper casing and lower casing,
The through-hole is set to the upper casing, and the blind hole is set to the lower casing, and described to cut-off section, two channels, through-hole and blind hole mutual
Connection；First insertion end and the second insertion end be each passed through two channel and extend to it is described cut-off in section, two institutes
State notch setting upward and symmetrically, partial region in each notch be located at it is described cut-off in section, remaining region position
In in the corresponding channel.
10. fast current as described in claim 1 cuts off cut-off device, it is characterised in that: the grid of cut-offfing is connected by piston
The gas generating unit is connect, the piston can generate after being triggered along the through-hole internal motion, the gas generating unit
High pressure draught push the grid of cut-offfing to cut off the conductive sheet by pushing the piston；It is set on the side wall of the piston
There is annular groove, the annular ring of airtight effect has been equipped in the annular groove, annular ring is contacted with the inner wall of the through-hole, from
And copper-base described in the gas flow generated after preventing the gas generating unit to be triggered and the conductive sheet.
11. a kind of fast current cut-off equipment, it is characterised in that: including cut-off device and fuse, the cut-off device includes gas
Generating device, insulating body and the copper-base across the insulating body, the copper-base is in parallel with the fuse, the copper-base packet
Include weak conductive sheet；The insulating body is interior with the through-hole for running through insulating body one side wall and blind with the through-hole face
Hole, the through-hole and the blind hole are placed in the opposite sides of the conductive sheet, and being equipped in the through-hole can be with the gas
Grid is cut-off in generating device connection, it is described cut-off grid include can along the ontology that the through-hole wall slides, from the ontology
The cutting portion that centre extends towards the conductive sheet direction and the opposite end from the ontology prolong to blind hole direction
The insertion section stretched, two insertion sites are described before the gas generating unit is triggered in the opposite sides of the cutting portion
For cutting portion with or without the conductive sheet, the gas generating unit can push the grid of cut-offfing to move after being triggered
And the cutting portion is made to cut off the conductive sheet, the insertion section is made to be inserted into the blind hole.
12. a kind of fast current cut-off equipment, it is characterised in that: including cut-off device and monitoring device, the cut-off device includes gas
Body generating device, insulating body and the copper-base across the insulating body, the copper-base include weak conductive sheet；The insulation
There is the blind hole through the through-hole of insulating body one side wall and with the through-hole face, the through-hole and the blind hole are split in ontology
In be equipped in the opposite sides of the conductive sheet, the through-hole can be connect with the gas generating unit cut-off grid, institute
State cut-off grid include can along the ontology that the through-hole wall slides, among the ontology towards the conductive sheet direction
The insertion section that the cutting portion of extension and opposite end from the ontology extend to blind hole direction, two insertion sites in
The opposite sides of the cutting portion, before the gas generating unit is triggered, the cutting portion is led with or without described
Electric piece, the monitoring device is for monitoring the electric current for flowing through the copper-base and connecting with the gas generating unit in electric current
The gas generating unit is triggered when abnormal, the gas generating unit can push the grid of cut-offfing to move and make after being triggered
The cutting portion cuts off the conductive sheet, the insertion section is made to be inserted into the blind hole.
13. a kind of fast current cut-off equipment, it is characterised in that: including cut-off device, fuse and monitoring device, the cut-off device
Including gas generating unit, insulating body and copper-base across the insulating body, the copper-base is in parallel with the fuse, and
The copper-base includes weak conductive sheet；Have in the insulating body through insulating body one side wall through-hole and with the through-hole
The blind hole of face, the through-hole and the blind hole are placed in the opposite sides of the conductive sheet, and being equipped in the through-hole can be with
Grid is cut-off in gas generating unit connection, it is described cut-off grid include can along the ontology that the through-hole wall slides, from
Cutting portion among the ontology towards conductive sheet direction extension and the institute from the opposite end of the ontology to blind hole
In the insertion section that direction extends, two insertion sites are touched in the opposite sides of the cutting portion, the gas generating unit
Before hair, the cutting portion is with or without the conductive sheet, and the monitoring device is for monitoring the electricity for flowing through the copper-base
It flows and is connect with the gas generating unit for triggering the gas generating unit in current anomaly, the gas fills
Setting can push the grid of cut-offfing to move and the cutting portion is made to cut off the conductive sheet, be inserted into the insertion section after being triggered
The blind hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920122407.XU CN209374373U (en) | 2019-01-24 | 2019-01-24 | A kind of fast current cutting cut-off device and equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920122407.XU CN209374373U (en) | 2019-01-24 | 2019-01-24 | A kind of fast current cutting cut-off device and equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209374373U true CN209374373U (en) | 2019-09-10 |
Family
ID=67826833
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920122407.XU Active CN209374373U (en) | 2019-01-24 | 2019-01-24 | A kind of fast current cutting cut-off device and equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209374373U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109742001A (en) * | 2019-01-24 | 2019-05-10 | 武汉司德宝电气有限公司 | A kind of fast current cutting cut-off device and equipment |
| CN112635271A (en) * | 2020-12-24 | 2021-04-09 | 武汉精熔潮电气科技有限公司 | Double-blade straight plate type fuse |
-
2019
- 2019-01-24 CN CN201920122407.XU patent/CN209374373U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109742001A (en) * | 2019-01-24 | 2019-05-10 | 武汉司德宝电气有限公司 | A kind of fast current cutting cut-off device and equipment |
| CN109742001B (en) * | 2019-01-24 | 2024-05-03 | 武汉司德宝电气有限公司 | Quick current cut-off breaker and equipment |
| CN112635271A (en) * | 2020-12-24 | 2021-04-09 | 武汉精熔潮电气科技有限公司 | Double-blade straight plate type fuse |
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