CN110450734A - Electric car Manual maintenance switch - Google Patents
Electric car Manual maintenance switch Download PDFInfo
- Publication number
- CN110450734A CN110450734A CN201910777989.XA CN201910777989A CN110450734A CN 110450734 A CN110450734 A CN 110450734A CN 201910777989 A CN201910777989 A CN 201910777989A CN 110450734 A CN110450734 A CN 110450734A
- Authority
- CN
- China
- Prior art keywords
- pedestal
- tip holder
- electrode tip
- electric car
- top cover
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R16/00—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for
- B60R16/005—Electro-mechanical devices, e.g. switched
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H3/00—Mechanisms for operating contacts
- H01H3/22—Power arrangements internal to the switch for operating the driving mechanism
- H01H3/24—Power arrangements internal to the switch for operating the driving mechanism using pneumatic or hydraulic actuator
Abstract
The invention discloses a kind of electric car Manual maintenance switchs, belong to electric car field.The electric car Manual maintenance switch includes: top cover；Pedestal in a tubular form has spacer ring on the inner wall of pedestal, and one end and the top cover of pedestal are detachably connected, and limits a cavity with the side in spacer ring, has between pedestal and top cover and is connected to cavity and extraneous exhaust passage；Electrode tip holder is located in pedestal, and in normal battery operation, the pressure in battery is lower, therefore the pressure of the first surface of electrode tip holder is lower, the inner hole of electrode tip holder sealing caulking ring.When pressure rise in battery, the pressure of first surface also increases, electrode tip holder moves under the promotion of pressure difference, to be separated with spacer ring, so that in the cavity for the other side that the gas in battery can enter spacer ring by the gap between electrode tip holder and spacer ring, due to having the exhaust passage for being connected to the cavity and the external world between pedestal and top cover, so as to which gas to be discharged, the pressure in battery is reduced.
Description
Technical field
The present invention relates to electric car field, in particular to a kind of electric car Manual maintenance switch.
Background technique
Electric car battery work high current, high voltage environment in, need to avoid the occurrence of short circuit situation.Manually
Service switch plays the role of protecting battery in electric car circuit, and emergency is occurring or needing to carry out battery dimension
When shield, disassembling, assembling and replacing, play the role of disconnecting battery in time.
Currently, Manual maintenance switch includes shell and pedestal, shell has been bolted a fuse, two electricity
Pole, there are two electroconductive elastic sheet and two sockets for pedestal setting, wherein one end of an electrode is fixed on fuse one end, Ling Yigen
One end of electrode is fixed on the fuse other end.After upper cover and pedestal are bolted to connection, other the one of two root cutting needles
End is connected with two electroconductive elastic sheets respectively, and two electroconductive elastic sheets are separately fixed in two sockets.By Manual maintenance switch
When being mounted on the shell of battery, fuse, electrode, electroconductive elastic sheet connect battery, form high tension loop.When high tension loop goes out
When existing short circuit, fuse overheat fusing is cut off high tension loop；When needing to disconnect high pressure manually, by the bolt of shell and pedestal
It unclamps, removes shell, separate electrode with electroconductive elastic sheet, high tension loop disconnects.
When electric current is excessive, the temperature in battery can not only continue to increase for high tension loop, but also pressure can also continue to increase,
If danger can be generated not in time by releasing stress.The pressure of inside battery can be discharged by needing to remove Manual maintenance switch just at present
Power, it is difficult to ensure the pressure in release battery in time.
Summary of the invention
The present invention provides a kind of electric car Manual maintenance switchs, can discharge the pressure in battery in time.The skill
Art scheme includes:
A kind of electric car Manual maintenance switch, comprising:
Top cover；
Pedestal in a tubular form has spacer ring on the inner wall of the pedestal, and one end of the pedestal and the top cover are detachable
Connection, a cavity is limited with the side in the spacer ring, between the pedestal and the top cover have be connected to the cavity and
Extraneous exhaust passage；
Electrode tip holder, be located at the pedestal in, the electrode tip holder have opposite first surface and second surface, described first
It is connected with the electrode of the battery for connecting electric car on surface, the axial direction along the pedestal is connected on the second surface
Extend and penetrate through the pull rod of the top cover, the electrode tip holder being capable of pressure, the pressure of the second surface in the first surface
The axial movement of pedestal described in power, the pulling force effect lower edge of the pull rod,
If the sum of pulling force of the pressure of the first surface and the pull rod and the pressure difference of the second surface are no more than
First threshold, the electrode tip holder seal the inner hole of the spacer ring；
If the pressure difference of the sum of pulling force of the pressure of the first surface and the pull rod and the second surface is more than institute
First threshold is stated, the electrode tip holder is separated with the spacer ring,
If the pressure difference of the sum of pulling force of the pressure of the first surface and the pull rod and the second surface is more than the
Two threshold values, the second threshold are greater than the first threshold, and the electrode tip holder separates with the spacer ring, and the top cover with it is described
Pedestal separation.
Optionally, the snap device includes hooking plate and elastic slice along axially extending the first of the pedestal, and described the
One hook plate is connect with the side wall of the top cover, and the elastic slice is connect with the side wall of the pedestal, and described first hooks plate positioned at described
Elastic slice has interference structure close to the side of the base axis and interferes convex close to the side of the base axis, the elastic slice
It rises, between the spacer ring and the interference structure, the elastic slice is configured as moving in the electrode tip holder interference bump
Moving to generation deformation when interfering with the interference bump separates the interference structure with the first hook plate.
Optionally, the interference structure includes the first convex block or hook slot.
Optionally, there is window, the elastic slice is located in the window, and is connected to the window on the side wall of the pedestal
The edge of mouth.
Optionally, the snap device includes the second hook plate and the hook hole on the side wall of the pedestal, and described second
Hooking plate includes the elastic plate body being connected with the top cover and the second convex block on the elastic plate body one side, the elasticity
Plate body is located at the outside of the pedestal, and the second hook plate is configured as being moved in the electrode tip holder dry with second convex block
Before relating to, second convex block be located in the hook hole and part position in the cavity, the electrode tip holder be moved to it is described
When second convex block is interfered, second convex block deviates from the hook hole.
Optionally, the exhaust passage comprises at least one of the following:
Fit-up gap between the top cover and the pedestal；
Gas vent on the top cover.
Optionally, the electrode tip holder is in a circular table shape, and the inner hole of the spacer ring is taper hole.
Optionally, diaphragm spring is connected between the pull rod and the top cover.
Optionally, electrode limited block is provided on the inner wall of the pedestal, the electrode limited block is located at the spacer ring
Side far from the cavity has electrode jack on the electrode limited block.
Optionally, the contact pin of the interlocking loop for connecting electric car is also connected on the first surface.
Technical solution bring beneficial effect provided in an embodiment of the present invention includes at least:
By setting pedestal and top cover, the inner wall of pedestal has spacer ring, when top cover to be connected on pedestal, pushes up lid and bottom
Seat limits a cavity in the side of spacer ring, by the way that electrode tip holder to be installed in pedestal, connects on the first surface of electrode tip holder
There is electrode, is connected with pull rod on second surface, pedestal is installed on the battery of electric car, electrode tip holder is installed in pedestal
When, battery can be connected by electrode and form high tension loop, work normally high tension loop.In normal battery operation, battery
Interior pressure is lower, therefore the pressure of the first surface of electrode tip holder is lower, the inner hole of electrode tip holder sealing caulking ring, the pressure of first surface
The sum of pulling force (due to not having pulling pull rod, pulling force 0 is directed toward electrode tip holder with pulling force and is positive) of power and pull rod and second surface
Pressure is no more than first threshold.When pressure rise in battery, the pressure of first surface is also increased, if the pressure of first surface
It is more than first threshold with the sum of the pulling force of pull rod (being at this time still 0) and the pressure difference of second surface, electrode tip holder is pushed away pressure difference
Dynamic lower movement, to be separated with spacer ring so that the gas in battery can be entered by the gap between electrode tip holder and spacer ring every
In the cavity of the other side of ring, due to having the exhaust passage for being connected to the cavity and the external world between pedestal and top cover, so as to
Gas is discharged, the pressure in battery is reduced.Since top cover and pedestal are detachably connected, if the pressure in battery sharply rises
Height, so that the sum of pulling force (being at this time still 0) of the pressure of first surface and pull rod and the pressure difference of second surface are more than the second threshold
Value, top cover can also separate with pedestal, allow gas to enough faster be discharged.It can also be by pulling pull rod to make electrode tip holder manually
It is separated with spacer ring, top cover with pedestal, it is convenient for disassembly and assembly.The electric car Manual maintenance switch does not need manual operation can be automatic
The gas in discharge battery reduces pressure in time, it is ensured that the safety of battery.
Detailed description of the invention
To describe the technical solutions in the embodiments of the present invention more clearly, make required in being described below to embodiment
Attached drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention, for
For those of ordinary skill in the art, without creative efforts, it can also be obtained according to these attached drawings other
Attached drawing.
Fig. 1 is a kind of structural schematic diagram of electric car Manual maintenance switch provided in an embodiment of the present invention；
Fig. 2 is a kind of structural schematic diagram of electrode tip holder provided in an embodiment of the present invention；
Fig. 3 is a kind of structural schematic diagram of pedestal provided in an embodiment of the present invention；
Fig. 4 is the partial structural diagram of Fig. 3；
Fig. 5 is the partial structural diagram of another pedestal provided in an embodiment of the present invention；
Fig. 6 is the partial structural diagram of another electric car Manual maintenance switch provided in an embodiment of the present invention；
Fig. 7 is a kind of partial structural diagram of electric car Manual maintenance switch provided in an embodiment of the present invention；
Fig. 8 is a kind of partial structural diagram of top cover provided in an embodiment of the present invention；
Fig. 9 is a kind of external structure schematic diagram of electric car Manual maintenance switch provided in an embodiment of the present invention.
Specific embodiment
To make the object, technical solutions and advantages of the present invention clearer, below in conjunction with attached drawing to embodiment party of the present invention
Formula is described in further detail.
Fig. 1 is a kind of structural schematic diagram of electric car Manual maintenance switch provided in an embodiment of the present invention.Such as Fig. 1 institute
Show, which includes top cover 10, pedestal 20 and electrode tip holder 30 in a tubular form.
There is spacer ring 21, one end and the top cover 10 of pedestal 20 are detachably connected, in spacer ring 21 on the inner wall of pedestal 20
Side limits a cavity A, has the exhaust passage for being connected to cavity A and the external world between pedestal 20 and top cover 10.
Electrode tip holder 30 is located in pedestal 20, and electrode tip holder 30 has opposite first surface 30a and second surface 30b.Fig. 2 is
A kind of structural schematic diagram of electrode tip holder provided in an embodiment of the present invention.It is connected with and is used on first surface 30a combined with Figure 1 and Figure 2,
The electrode 31 of the battery of electric car is connected, is connected on second surface 30b along the axially extending of pedestal 20 and perforation top cover 10
Pull rod 32.Electrode tip holder 30 can be under the pressure of first surface 30a, the pressure of second surface 30b, the pulling force effect of pull rod 32
Along the axial movement of pedestal 20.
If the sum of pulling force of the pressure of first surface 30a and pull rod 32 and the pressure difference of second surface 30b are no more than first
Threshold value, the inner hole of 30 sealing caulking ring 21 of electrode tip holder.
If the sum of pulling force of the pressure of first surface 30a and pull rod 32 and the pressure difference of second surface 30b are more than the first threshold
Value, electrode tip holder 30 are separated with spacer ring 21.
If the sum of pulling force of the pressure of first surface 30a and pull rod 32 and the pressure difference of second surface 30b are more than the second threshold
Value, second threshold are greater than first threshold, and electrode tip holder 30 is separated with spacer ring 21, and top cover 10 is separated with pedestal 20.
By setting pedestal and top cover, the inner wall of pedestal has spacer ring, when top cover to be connected on pedestal, pushes up lid and bottom
Seat limits a cavity in the side of spacer ring, by the way that electrode tip holder to be installed in pedestal, connects on the first surface of electrode tip holder
There is electrode, is connected with pull rod on second surface, pedestal is installed on the battery of electric car, electrode tip holder is installed in pedestal
When, battery can be connected by electrode and form high tension loop, work normally high tension loop.In normal battery operation, battery
Interior pressure is lower, therefore the pressure of the first surface of electrode tip holder is lower, the inner hole of electrode tip holder sealing caulking ring, the pressure of first surface
The sum of pulling force (due to not having pulling pull rod, pulling force 0 is directed toward electrode tip holder with pulling force and is positive) of power and pull rod and second surface
Pressure is no more than first threshold.When pressure rise in battery, the pressure of first surface is also increased, if the pressure of first surface
It is more than first threshold with the sum of the pulling force of pull rod (being at this time still 0) and the pressure difference of second surface, electrode tip holder is pushed away pressure difference
Dynamic lower movement, to be separated with spacer ring so that the gas in battery can be entered by the gap between electrode tip holder and spacer ring every
In the cavity of the other side of ring, due to having the exhaust passage for being connected to the cavity and the external world between pedestal and top cover, so as to
Gas is discharged, the pressure in battery is reduced.Since top cover and pedestal are detachably connected, if the pressure in battery sharply rises
Height, so that the sum of pulling force (being at this time still 0) of the pressure of first surface and pull rod and the pressure difference of second surface are more than the second threshold
Value, top cover can also separate with pedestal, allow gas to enough faster be discharged.It can also be by pulling pull rod to make electrode tip holder manually
It is separated with spacer ring, top cover with pedestal, it is convenient for disassembly and assembly.The electric car Manual maintenance switch does not need manual operation can be automatic
The gas in discharge battery reduces pressure in time, it is ensured that the safety of battery.
In addition, electrode 31 is separated with battery after electrode tip holder 30 moves a certain distance under the action of pressure difference, can disconnect
High-tension circuit, it is ensured that the safety of circuit.As shown in Figure 1, electrode 31 can have two.Insurance is also provided in electrode tip holder 30
Silk, for connecting two electrodes 31.When electric current is excessive in battery, if electrode 31 does not disconnect battery in a short time, protect
Dangerous silk can fuse, it is ensured that the safety of circuit.As shown in Fig. 2, can also be connected on first surface for connecting electric car
The contact pin 33 of interlocking loop.When pedestal 20 is installed on battery, contact pin 33 can connect the interlocking loop of electric car, thus
It can detecte out whether electrode 31 is installed in place.Illustratively, contact pin 33 can have two.Electrode tip holder 30 is mobile, makes contact pin 33
When disconnecting with battery, interlocking loop is disconnected, and can control the high tension loop of cutting battery, it is ensured that the safety of circuit.
Referring to Fig.1, electrode tip holder 30 can be in a circular table shape, and the inner hole of spacer ring 21 is taper hole.Electrode tip holder 30 can be more preferable in this way
Ground seals the inner hole of spacer ring 21.
Optionally, exhaust passage may include the fit-up gap between top cover 10 and pedestal 20.In top cover 10 and pedestal 20
Between simply by the presence of fit-up gap, after electrode tip holder 30 is separated with spacer ring 21, the gas in battery can pass through the assembly building
Gap discharge, to reduce the pressure in battery.
As shown in Figure 1, being also provided with gas vent 10a on top cover 10.It is logical that gas vent 10a can also be used as exhaust
Road can be discharged, energy by the way that gas vent 10a is arranged after the inner hole that the gas in battery passes through spacer ring 21 by gas vent 10a
Gas enough is discharged faster.
Gasket 201 has can be set in the end of pedestal 20, to improve when pedestal 20 is connect with the battery of electric car
Leakproofness.
Fig. 3 is a kind of structural schematic diagram of pedestal provided in an embodiment of the present invention.Fig. 4 is the partial structural diagram of Fig. 3.
In conjunction with Fig. 3 and Fig. 4, flange 24 can have on the outer wall of pedestal 20, in order to which pedestal 20 is connected to electronic vapour by bolt
On the battery of vehicle.
Electrode limited block 23 is also provided on the inner wall of pedestal 20, electrode limited block 23 is located at the separate empty of spacer ring 21
The side of chamber A has electrode jack 23a on electrode limited block 23.When installing electrode tip holder 30, electrode 31 is inserted into electrode
In jack 23a, it is electrically connected electrode 31 preferably with battery.
The length of electrode jack 23a can be greater than the length of electrode 31, when pedestal 20 to be installed on battery, on battery
Corresponding electrode is also inserted into electrode jack 23a, is electrically connected electrode 31 preferably with battery.
Pin holes 23b there are two can also having on electrode limited block 23, for accommodating contact pin 33.Two pin holes 23b can
To be located between two electrode jack 23a.
Pedestal 20 can be connect with top cover 10 by snap device.As shown in Figure 1, snap device may include along pedestal
20 axially extending first hooks plate 11 and elastic slice 22.First hook plate 11 is connect with the side wall of top cover 10, elastic slice 22 and pedestal 20
Side wall connection, first hook plate 11 is located at elastic slice 22 close to the side of 20 axis of pedestal.Elastic slice 22 close to 20 axis of pedestal one
Side has interference structure and interference bump 222, and interference bump 222 is between spacer ring 21 and interference structure.Elastic slice 22 is configured
Interference structure is separated with the first hook plate 11 to generate deformation when electrode tip holder 30 is moved to and interferes with interference bump 222.At this
In embodiment, interference structure may include the first convex block 221.
Referring to fig. 2, it can have convex block 301 on electrode tip holder 30, in order to which electrode tip holder 30 pushes interference bump 222.
When the pressure and the sum of the pulling force of pull rod 32 and the pressure difference of second surface of first surface are no more than first threshold,
As shown in fig. 1, there is no interference for electrode tip holder 30 and interference bump 222, since the first hook plate 11 and the first convex block 221 are mutual
Cooperation makes top cover 10 and pedestal 20 keep connecting.In the pressure of first surface and the sum of the pulling force of pull rod 32 and second surface
When pressure difference is more than first threshold, electrode tip holder 30 is moved along the direction of shown by arrow B, and electrode tip holder 30 is separated with spacer ring 21, electrode
Seat 30 may not contacted with interference bump 222, it is also possible to contacted with interference bump, but electrode tip holder 30 not with interference bump 222
It interferes, pressure difference is not enough to the movement of trigger shrapnel 22.In the pressure of first surface and the sum of the pulling force and second of pull rod 32
When the pressure difference on surface is more than second threshold, electrode tip holder 30 pushes interference bump 222 under the effect of biggish pressure difference, with interference
Protrusion 222 interferes, and making elastic slice 22, deformation occurs, and elastic slice 22 is pulled away from first to 20 outside deformation of pedestal, the first convex block 221
Plate 11 is hooked, the first hook plate 11 is made to lose constraint, top cover 10 is separated with pedestal 20, arranges the gas generated in battery quickly
Out.After first hook plate 11 is separated with the first convex block 221, top cover 10 can also pushed away from pedestal 20 under the influence of air pressure.
It can have an inclined-plane 11a on first hook plate 11, the first convex block 221 also has an inclined-plane 221a, connecting manually
When top cover 10 and pedestal 20, the inclined-plane 11a on the first hook plate 11 is contacted with the inclined-plane 221a on the first convex block 221, to push
Elastic slice 22 makes 22 deformation of elastic slice, connect convenient for top cover 10 with pedestal 20.
As shown in figure 3, can have window 20a on the side wall of pedestal 20, elastic slice 22 is located in window 20a, and is connected to
The edge of window 20a.Elastic slice 22 is arranged in window 20a, can use side wall and provide protection to elastic slice 22, avoid elastic slice 22
Fracture.Also, the gap (gap i.e. between the not connected side of elastic slice and window) between elastic slice 22 and window 20a can also be made
For a part of exhaust passage, after electrode tip holder 30 is separated with spacer ring 21, the gas in battery later can be from bullet by spacer ring 21
Gap discharge between piece 22 and window 20a.
Window 20a and elastic slice 22 can be in rectangle, elastic slice 22 on one side with window 20a while connect.Elastic slice 22
Far from spacer ring 21 on one side with the separate spacer ring 21 of window 20a while connect, only need lesser power to outside pedestal 20 in this way
Side pushes interference bump 222, and elastic slice 22 will deform.It certainly, can also be by elastic slice in other possible implementations
22 close spacer ring 21 on one side with the close spacer ring 21 of window 20a while connect, although biggish strength is needed to push away in this way
Dynamic interference bump 222, elastic slice 22 can just deform, but only that pushing lesser distance, so that it may so that on elastic slice 22
First convex block 221 is separated with the first hook plate 11.
Optionally, elastic slice 22 and pedestal 20 can be integrally formed component, be also possible to seperated component.The production of elastic slice 22
Material can be identical as pedestal 20, can also be different.
Fig. 5 is the partial structural diagram of another pedestal provided in an embodiment of the present invention.As shown in figure 5, elastic slice 22
It can connect in the end of pedestal 20.Since interference bump 222 is more convex than first at a distance from the junction of pedestal 20 to elastic slice 22
Block 221 is small at a distance from the junction of pedestal 20 to elastic slice 22, therefore only needs to push lesser distance, so that it may so that elastic slice 22
On the first convex block 221 with first hook plate 11 separate.
In other possible implementations of the invention, interference structure also may include hooking slot.First hook plate 11 passes through
Hook the lock in groove to realize snap device.
Fig. 6 is the partial structural diagram of another electric car Manual maintenance switch provided in an embodiment of the present invention.Such as
Shown in Fig. 6, in the electric car Manual maintenance switch, snap device may include the second hook plate 12 and positioned at the side of pedestal 20
Hook hole 20b on wall.
Second hook plate 12 include the elastic plate body 121 being connect with top cover 10 and on 121 one side of elastic plate body the
Two convex blocks 122, elastic plate body 121 are located at the outside of pedestal 20.
Second hook plate 12 is configured as being moved in electrode tip holder 30 with before the interference of the second convex block 122, and the second convex block 122 is located at
It hooks in the 20b of hole and part is located in cavity, when electrode tip holder 30 is moved to and interferes with the second convex block 122, the abjection of the second convex block 122
Hook hole 20b.
As shown in fig. 6, the second the second convex block 122 hooked on plate 12 is hooked from the outside of pedestal 20 in snap device lock
Enter to hook in the 20b of hole, and a part of the second convex block 122 is extend into cavity A, the second convex block 122 and electrode tip holder 30 with pedestal
Orthographic projection in the vertical plane of 20 axis has partial region overlapping, when so that electrode tip holder 30 moving under the action of pressure difference
It can be interfered with the part of the second convex block 122 extending into cavity A, to keep the second convex block 122 de- in the 20b of hole from hooking
Out, the tripping of snap device is realized.
It can have an inclined-plane 122a for interfering with electrode tip holder 30 on second convex block 122, it in this way can be in order to electrode
Seat 30 pushes the second convex block 122, while when top cover 10 to be connected on pedestal 20, and the side wall for being also convenient for pedestal 20 pushes second
Convex block 122 makes 121 deformation of elastic plate body.After 121 deformation of elastic plate body, the second convex block 122 can be along the lateral wall of pedestal 20
When the second convex block 122 is aligned and hooks hole 20b, the second convex block 122 snaps under the elastic force of elastic plate body 121 hooks hole for sliding
In 20b.
In electric car Manual maintenance switch shown in Fig. 1, first hook plate 11 and top cover 10 can for separate structure or
It is integral structure, in electric car Manual maintenance switch shown in Fig. 6, second hooks plate 12 and top cover 10 or seperated knot
Structure or integral structure.Separate structure can be two or more components obtained respectively and is assemblied together by way of assembling
Structure.Integral structure can be by being integrally formed obtained structure.
When first hooks plate 11 and top cover 10 is separate structure, as shown in Figure 1, the electric car Manual maintenance switch may be used also
To include hooking plate mounting cylinder 13, the first hook plate 11 is connected to the one end for hooking plate mounting cylinder 13, hooks plate mounting cylinder 13 and is mounted on top cover
In 10, hooking plate mounting cylinder 13 can be interference fitted with top cover 10, be connected as one so as to hook plate mounting cylinder 13 with top cover 10.
Fig. 7 is a kind of partial structural diagram of electric car Manual maintenance switch provided in an embodiment of the present invention.In Fig. 7
It shows and hooks plate mounting cylinder 13 and the first hook plate 11.As shown in fig. 7, first hook plate 11 may include annular plate 111 and be located at ring
The flange 112 of 111 outer wall of shape plate.Flange 112 is used to cooperate with interference structure.Due to only needing elastic slice 22, deformation occurs, and first
It hooks plate 11 and does not need that deformation occurs, therefore hook the setting of plate 11 circlewise for first, the first hook plate 11 can be made to have bigger strong
Degree.Also, the inner wall of annular plate 111 can be also used for the guiding of electrode tip holder 30.Specifically, referring to Fig. 1 and Fig. 2, electrode tip holder 30
Second surface 30b on can have annular boss 302, annular boss 302 can be plugged in annular plate 111, can make electricity
The movement of electrode seat 30 is more stable.
It also may include hooking plate mounting cylinder 13, second hooks plate 12 can for electric car Manual maintenance switch shown in fig. 6
It is hooked on plate mounting cylinder 13 with being connected to.121 deformation of elastic plate body for hooking plate 12 for the ease of second, the second hook plate 12 can be set
For plate or arc panel, the ring-type of plate 11 is hooked without being arranged to as shown in Figure 7 first.
Optionally, diaphragm spring 40 has been can connect between pull rod 32 and top cover 10.State shown in Fig. 1, diaphragm spring
Electrode tip holder 30 is directed toward along pull rod 32 in 40 elastic force direction, and what pull rod 32 was subject at this time is thrust, and the elastic force of diaphragm spring 40 can be with
Electrode tip holder 30 is pressed on spacer ring 21,30 sealing caulking ring 21 of electrode tip holder is made.
When the pressure of first surface and the pulling force of pull rod 32 are (since the power on pull rod at this time is directed toward electrode tip holder, pulling force
For negative value) the sum of with the pressure difference of second surface be more than first threshold, i.e. gas in battery is enough to overcome diaphragm spring 40
Elastic force pushes electrode tip holder 30.After electrode tip holder 30 is separated with spacer ring 21, gap row of the gas between electrode tip holder 30 and spacer ring 21
Out, after a period of time is discharged in gas, the decline of pressure in battery, after decline to a certain degree, insufficient pressure in battery with
The state for keeping electrode tip holder 30 isolated with the holding of spacer ring 21, electrode tip holder 30 is under the elastic force effect of diaphragm spring 40 again by spacer ring 21
Inner hole sealing.
When the pressure and the sum of the pulling force of pull rod 32 and the pressure difference of second surface of first surface are more than second threshold, here
Second threshold is greater than first threshold.Pressure difference illustrates that the pressure in battery is very high when being more than second threshold, electrode tip holder 30
It is pushed away from 21 larger distance of spacer ring, so that triggering first hooks plate 11 and interference structure is threaded off.Due to electrode tip holder 30 it is mobile away from
From larger, therefore diaphragm spring 40 can be flipped, and overturning caudacoria flat spring 40 is directed toward far from electrode the active force of pull rod 32
The direction of seat 30, diaphragm spring 40 can promote the active force of pull rod 32 movement of electrode tip holder 30 at this time, enable electrode tip holder 30
Enough smooth 22 deformation of trigger shrapnel, interference structure is separated with the first hook plate 11, so that top cover 10 is separated with pedestal 20.In weight
When new connection top cover 10 and pedestal 20, pull rod 32 can be pressed, to push electrode tip holder 30 mobile to spacer ring 21, diaphragm spring 40 is then
It is overturn again under pressing effect, diaphragm spring 40 reverts to the direction for being directed toward electrode tip holder 30 to the active force of pull rod 32.
Diaphragm spring 40 can be with coaxial sleeve on pull rod 32.As shown in Figure 1, having position limiting convex ring 321 and lock on pull rod 32
Tight ring 322, position limiting convex ring 321 and retaining ring 322 are spaced apart from each other to form an annular slot, and diaphragm spring 40 can be located at the annular
In card slot, it is detached from from pull rod 32 to avoid diaphragm spring 40.There can be at least one in position limiting convex ring 321 and retaining ring 322
It is to be detachably connected with pull rod 32, can be convenient the dismounting of diaphragm spring 40 in this way.
Fig. 8 is a kind of partial structural diagram of top cover provided in an embodiment of the present invention.As shown in figure 8, top cover 10 is interior
It can have positioning spigot 10b on wall, in conjunction with Fig. 1, diaphragm spring 40 can be supported on positioning spigot 10b.
Further, pressure ring 41 is also provided in top cover 10, diaphragm spring 40 is clipped in positioning spigot 10b and pressure ring 41
Between, to avoid the loosening of diaphragm spring 40.
For first threshold and second threshold, it is possible to understand that the size of ground, the size of first threshold and second threshold in addition to
Outside depending on the frictional force between each component that can produce relative movement, triggering snap device tripping institute is at least additionally depended on
The power needed, such as the power for making elastic slice 22 generate enough deformation, the power of 40 deformation of diaphragm spring.In actual production, relatively
For the first threshold and second threshold that suitable size advantageously is arranged by adjusting the elastic force of elastic slice 22 and diaphragm spring 40.
Fig. 9 is a kind of external structure schematic diagram of electric car Manual maintenance switch provided in an embodiment of the present invention.Such as Fig. 9
It is shown, it can have locating slot 10c on the side wall of top cover 10, can have location fin 25, top cover 10 on the outer wall of pedestal 20
When connecting in place, location fin 25 is located in locating slot 10c with pedestal 20.
The one end of pull rod 32 being located at outside top cover 10 can also be connected with pull ring 34, can draw in order to be pulled by pull ring 34
Bar.
The foregoing is merely alternative embodiments of the invention, are not intended to limit the invention, it is all in spirit of the invention and
Within principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of electric car Manual maintenance switch characterized by comprising
Top cover (10)；
Pedestal (20) in a tubular form has spacer ring (21), one end of the pedestal (20) and institute on the inner wall of the pedestal (20)
It states top cover (10) to be detachably connected, a cavity, the pedestal (20) and the top is limited with the side in the spacer ring (21)
It covers to have between (10) and is connected to the cavity and extraneous exhaust passage；
Electrode tip holder (30) is located in the pedestal (20), and the electrode tip holder (30) has opposite first surface and second surface,
It is connected with the electrode (31) of the battery for connecting electric car on the first surface, is connected on the second surface along institute
The pull rod (32) of the axially extending of pedestal (20) and the perforation top cover (10) is stated, the electrode tip holder (30) can be described first
The pressure on surface, the pressure of the second surface, the axial of pedestal (20) described in the pulling force effect lower edge of the pull rod (32) are moved
It is dynamic,
If the sum of pulling force of the pressure of the first surface and the pull rod (32) and the pressure difference of the second surface are no more than
First threshold, the electrode tip holder (30) seal the inner hole of the spacer ring (21)；
If the pressure difference of the sum of pulling force of the pressure of the first surface and the pull rod (32) and the second surface is more than institute
First threshold is stated, the electrode tip holder (30) separates with the spacer ring (21),
If the pressure difference of the sum of pulling force of the pressure of the first surface and the pull rod (32) and the second surface is more than the
Two threshold values, the second threshold are greater than the first threshold, and the electrode tip holder (30) separates with the spacer ring (21), and the top
Lid (10) is separated with the pedestal (20).
2. electric car Manual maintenance switch according to claim 1, which is characterized in that the pedestal (20) and the top
It covers (10) to connect by snap device, the snap device includes hooking plate along axially extending first of the pedestal (20)
(11) it is connect with elastic slice (22), first hook plate (11) with the side wall of the top cover (10), the elastic slice (22) and the bottom
The side wall connection of seat (20), described first hooks the side that plate (11) are located at the elastic slice (22) close to the pedestal (20) axis,
The elastic slice (22) has interference structure and interference bump (222) close to the side of the pedestal (20) axis, and the interference is convex
(222) are played between the spacer ring (21) and the interference structure, the elastic slice (22) is configured as in the electrode tip holder
(30) being moved to generation deformation when interfering with the interference bump (222) makes the interference structure and described first hook plate (11) point
From.
3. electric car Manual maintenance switch according to claim 2, which is characterized in that the interference structure includes first
Convex block (221) hooks slot.
4. electric car Manual maintenance switch according to claim 2, which is characterized in that on the side wall of the pedestal (20)
With window (20a), the elastic slice (22) is located in the window (20a), and is connected to the edge of the window (20a).
5. electric car Manual maintenance switch according to claim 1, which is characterized in that the pedestal (20) and the top
It covers (10) to connect by snap device, the snap device includes the second hook plate (12) and is located on the side wall of the pedestal (20)
Hook hole (20b), described second to hook plate (12) include the elastic plate body (121) connect with the top cover (10) and positioned at the bullet
The second convex block (122) on property plate body (121) one side, the elastic plate body (121) are located at the outside of the pedestal (20), institute
State the second hook plate (12) be configured as the electrode tip holder (30) be moved to before second convex block (122) interference, described the
Two convex blocks (122) be located in the hook hole (20b) and part position in the cavity, be moved to and institute in the electrode tip holder (30)
When stating the second convex block (122) interference, second convex block (122) deviates from the hook hole (20b).
6. described in any item electric car Manual maintenance switchs according to claim 1~5, which is characterized in that the exhaust is logical
Road comprises at least one of the following:
Fit-up gap between the top cover (10) and the pedestal (20)；
Gas vent (10a) on the top cover (10).
7. described in any item electric car Manual maintenance switchs according to claim 1~5, which is characterized in that the electrode tip holder
(30) in a circular table shape, the inner hole of the spacer ring (21) is taper hole.
8. described in any item electric car Manual maintenance switchs according to claim 1~5, which is characterized in that the pull rod
(32) it is connected between the top cover (10) diaphragm spring (40).
9. described in any item electric car Manual maintenance switchs according to claim 1~5, which is characterized in that the pedestal
(20) it is provided on inner wall electrode limited block (23), the electrode limited block (23) is located at the separate described of the spacer ring (21)
The side of cavity (A) has electrode jack (23a) on the electrode limited block (23).
10. described in any item electric car Manual maintenance switchs according to claim 1~5, which is characterized in that first table
The contact pin (33) of the interlocking loop for connecting electric car is also connected on face.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910777989.XA CN110450734B (en) | 2019-08-22 | 2019-08-22 | Manual maintenance switch of electric automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910777989.XA CN110450734B (en) | 2019-08-22 | 2019-08-22 | Manual maintenance switch of electric automobile |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110450734A true CN110450734A (en) | 2019-11-15 |
| CN110450734B CN110450734B (en) | 2022-04-12 |
Family
ID=68488433
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910777989.XA Active CN110450734B (en) | 2019-08-22 | 2019-08-22 | Manual maintenance switch of electric automobile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110450734B (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2086646A (en) * | 1980-09-25 | 1982-05-12 | Chloride Group Ltd | Vent valves for batteries |
| JPH1145701A (en) * | 1997-07-28 | 1999-02-16 | Toshiba Battery Co Ltd | Sealed nonaqueous electrolytic battery |
| CN1745495A (en) * | 2003-01-31 | 2006-03-08 | 株式会社汤浅 | Sealed alkaline storage battery, electrode structure thereof, charging method and charger for sealed alkaline storage battery |
| CN200993255Y (en) * | 2006-12-31 | 2007-12-19 | 春兰(集团)公司 | Gas tight casing pressure protection valve |
| JP2010050038A (en) * | 2008-08-25 | 2010-03-04 | Nissan Motor Co Ltd | Grommet |
| JP2011258561A (en) * | 2010-06-09 | 2011-12-22 | Sb Limotive Co Ltd | Secondary battery |
| CN108571610A (en) * | 2017-03-13 | 2018-09-25 | 保时捷股份公司 | The urgent attached getter assembly of shell is used in field of motor vehicles |
| CN108666459A (en) * | 2017-03-31 | 2018-10-16 | 比亚迪股份有限公司 | Battery cover board assembly, single battery, battery modules, power battery pack and electric vehicle |
| CN208368849U (en) * | 2018-05-22 | 2019-01-11 | 北京交通大学 | Rotated back formula Manual maintenance switch and connector for electric vehicle |
| CN209159392U (en) * | 2018-12-14 | 2019-07-26 | 蜂巢能源科技有限公司 | Battery pack and vehicle |
-
2019
- 2019-08-22 CN CN201910777989.XA patent/CN110450734B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2086646A (en) * | 1980-09-25 | 1982-05-12 | Chloride Group Ltd | Vent valves for batteries |
| JPH1145701A (en) * | 1997-07-28 | 1999-02-16 | Toshiba Battery Co Ltd | Sealed nonaqueous electrolytic battery |
| CN1745495A (en) * | 2003-01-31 | 2006-03-08 | 株式会社汤浅 | Sealed alkaline storage battery, electrode structure thereof, charging method and charger for sealed alkaline storage battery |
| CN200993255Y (en) * | 2006-12-31 | 2007-12-19 | 春兰(集团)公司 | Gas tight casing pressure protection valve |
| JP2010050038A (en) * | 2008-08-25 | 2010-03-04 | Nissan Motor Co Ltd | Grommet |
| JP2011258561A (en) * | 2010-06-09 | 2011-12-22 | Sb Limotive Co Ltd | Secondary battery |
| CN108571610A (en) * | 2017-03-13 | 2018-09-25 | 保时捷股份公司 | The urgent attached getter assembly of shell is used in field of motor vehicles |
| CN108666459A (en) * | 2017-03-31 | 2018-10-16 | 比亚迪股份有限公司 | Battery cover board assembly, single battery, battery modules, power battery pack and electric vehicle |
| CN208368849U (en) * | 2018-05-22 | 2019-01-11 | 北京交通大学 | Rotated back formula Manual maintenance switch and connector for electric vehicle |
| CN209159392U (en) * | 2018-12-14 | 2019-07-26 | 蜂巢能源科技有限公司 | Battery pack and vehicle |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110450734B (en) | 2022-04-12 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP3255699B1 (en) | Top cover of power battery and power battery | |
| CN110450734A (en) | Electric car Manual maintenance switch | |
| JPWO2012120758A1 (en) | Cylindrical battery | |
| CN209401591U (en) | A kind of fuse | |
| CN203573915U (en) | Installation structure of cover member of electromagnetic contactor and cover member of electromagnetic contractor | |
| JP4958428B2 (en) | Alkaline battery | |
| CN104916937A (en) | Multi-contact electrode jack | |
| CN211088167U (en) | Magnetic-sensing temperature controller | |
| CN108231472B (en) | Vacuum interrupter | |
| CN208781717U (en) | New type explosion proof patch type aluminium electrolutic capacitor | |
| CN107134753B (en) | A kind of single-phase self-recovering type overvoltage-undervoltage protector | |
| CN111933488A (en) | Movable contact structure and contactor | |
| WO2020107557A1 (en) | Connector male plug, connector, unmanned aerial vehicle and battery | |
| CN201449954U (en) | Overload protector | |
| CN214175960U (en) | Arc extinguishing system of circuit breaker | |
| CN215644738U (en) | Nickel-hydrogen battery for moisture-proof electric curtain | |
| CN213340199U (en) | Vacuum arc extinguish chamber structure | |
| CN111554866A (en) | Battery pack | |
| KR20160039804A (en) | CID Gasket And Cylinder Type Secondary Battery Having The Same | |
| CN213093130U (en) | Vacuum circuit breaker | |
| CN220291151U (en) | Terminal capable of preventing crown spring from falling off | |
| CN219571762U (en) | Explosion-proof warning lamp with protective structure | |
| KR101659863B1 (en) | Interlock apparatus of vacuum circuit breaker | |
| CN216131806U (en) | Explosion-proof LED lamp | |
| CN213420911U (en) | Rechargeable miner's lamp of magnetism |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |