A kind of battery overheat protecting device
Technical field:
This utility model relates to the technical field of communication apparatus, is specifically related to the battery overheat protecting of a kind of communication apparatus
Device.
Background technology:
Communication apparatus is generally divided into wire communication equipment and wireless telecommunications system two class, wire communication equipment and wireless telecommunications
Equipment all be unable to do without power supply facilities.Mobile communication equipment is a kind of typical wireless telecommunications system, and its power supply facilities generally may be used
The accumulator of movement, the accumulator of existing mobile communication equipment is generally lithium battery, and lithium battery there is a disadvantage that, it is simply that
Overheated meeting causes the generation of blast, thus needs the device arranging overtemperature protection to avoid the generation of explosion danger.
Utility model content:
The purpose of this utility model aims to solve the problem that the problem that prior art exists, it is provided that a kind of battery can be from dynamic circuit breaker time overheated
Open connection circuit, open heat dissipation channel simultaneously, cool down battery core body, prevent the battery overheat protecting device of battery explosion.
This utility model relates to a kind of battery overheat protecting device, including shell, upper cover and the battery core body of rectangle, described
Battery core body is plugged in described shell and upwards forms two cylindrical electrode tip holders, and described electrode tip holder exposes the upper of upper cover
End face;The upper end of shell is fixedly connected with case, forms two sockets, two ends and form two in the middle part of the upper surface of described case
Individual louvre, described socket and louvre are positioned on same level line;
Being plugged with conductive pole in socket, the upper end of described conductive pole is plugged in socket, lower end is plugged on battery core body
In electrode tip holder, the upper end of conductive pole is exposed socket and is fixedly connected with the first cross bar, and the two ends of described first cross bar are fixed respectively
On two conductive poles, lower end, middle part be fixedly connected with stage clip, the lower end of described stage clip is fixedly connected on case;
Sealing lid it is plugged with in louvre, the interior connecting rod extended of the oriented case of lower end molding of described sealing lid, described
Being fixedly connected with the second cross bar in connecting rod, the two ends of described second cross bar are separately fixed on connecting rod and conductive pole, connect
The lower end of bar connects overtemperature protection bar, and described overtemperature protection bar can move horizontally relative to connecting rod in connecting rod, overheated
The lower end of guard bar forms laterally protruding clamping block, and described clamping block is connected on overtemperature protection seat, described overtemperature protection
Seat is fixed on and covers, and is provided with an expanding block in overtemperature protection seat, and the lower end of described expanding block contacts with upper cover, card is close in side
Connecing block, when expanding block expanded by heating, expanding block can back down clamping block and make clamping block depart from overtemperature protection seat.
By technique scheme, this utility model is additionally arranged a cover on the basis of the battery of existing communication apparatus
Shell, is mounted with an overtemperature protection system in case, during work, when battery core body is overheated cause upper cover overheated time, overheated guarantor
The clamping block of overtemperature protection bar is also outwards pushed up by expanding block expanded by heating in guard housing, when expanding block is expanded to a certain degree, and card
Connecing block and depart from overtemperature protection seat, overtemperature protection bar drives connecting rod and sealing lid to pop up, and causes sealing lid ejection to open cover
Louvre on shell, meanwhile, connecting rod pops up drive the second cross bar and pulls up shifting on two conductive poles, makes conduction
The lower end of post departs from the electrode tip holder on battery core body, thus realizes open circuit, in the process, stage clip bounce-back drive the first cross bar to
On upspring, the first cross bar pulls two conductive poles to leave electrode tip holder more rapidly, it is achieved quick break.
By such scheme, battery of the present utility model Thermal protection mechanism can automatically disconnect electricity when battery is overheated
Road, opens heat dissipation channel simultaneously, cools down battery core body, prevents battery explosion, it is ensured that production safety.
Preferred as one of the present utility model, described connecting rod lower end forms the inserting groove of level, overtemperature protection bar
Upper end form the cutting coordinated with described inserting groove, the end of described cutting forms a pair limited block up and down, cutting and
Its limited block is plugged in described inserting groove, and the connecting rod outer wall of the upper and lower both sides of inserting groove forms a pair and described limited block
The positive stop strip coordinated.By such scheme, expanding block during backing down clamping block, the cutting of overtemperature protection bar upper end and cutting
On limited block be displaced outwardly in the inserting groove of connecting rod, mobile to grafting notch time, the positive stop strip in connecting rod is by spacing
Block stops, thus carries out spacing to overtemperature protection bar, so that overtemperature protection bar is without departing from connecting rod.
Preferred as one of the present utility model, it is connected by spring between described connecting rod with overtemperature protection bar, described
The two ends up and down of spring are separately fixed at lower end and the upper end of overtemperature protection bar of connecting rod.By such scheme, expanding block is on top
During opening clamping block, the upper end of overtemperature protection bar pulls spring, spring to deform upon, and treats that clamping block departs from overtemperature protection seat
Time, spring recovers again under elastic force effect.
Preferred as one of the present utility model, clamping block, opposite side and overtemperature protection are close in the side of described expanding block
Seat interval is arranged.By such scheme, expanding block is in expansion process, and clamping block is backed down in the side of expanding block, opposite side with its
The gap of overtemperature protection seat expands.
Preferred as one of the present utility model, the described lid that seals, in inverted convex shape, seals and covers the straight of end outer wall
Footpath is less than the diameter of louvre more than the diameter of the diameter of louvre, lower end connecting rod.
Preferred as one of the present utility model, described second cross bar is positioned at case, and the first cross bar and the second cross bar are equal
It is made up of insulant;Described overtemperature protection seat is made up of exotic material, overtemperature protection seat, shell, upper cover, case and expansion
Block is made by insulant;Socket on described case is cylinder.
Described above is only the general introduction of technical solutions of the utility model, in order to better understand skill of the present utility model
Art means, and can being practiced according to the content of description, below with preferred embodiment of the present utility model and coordinate accompanying drawing detailed
Describe in detail bright as after.
Accompanying drawing illustrates:
The following drawings is only intended to, in schematically illustrating this utility model and explaining, not limit model of the present utility model
Enclose.Wherein:
Fig. 1 is the structural representation of this utility model housing;
Fig. 2 is the profile of embodiment one in this utility model;
Fig. 3 is the partial structurtes schematic diagram of Fig. 2;
Fig. 4 is the enlarged diagram in Fig. 3 at A;
Fig. 5 is the profile of embodiment two in this utility model;
Fig. 6 is the local structural scheme of mechanism of Fig. 5;
Fig. 7 is that this utility model is without top view during case.
Detailed description of the invention:
Below in conjunction with the accompanying drawings and embodiment, detailed description of the invention of the present utility model is described in further detail.Below
Embodiment is used for illustrating this utility model, but is not limited to scope of the present utility model.
Seeing Fig. 1, Fig. 3, Fig. 6, a kind of battery overheat protecting device described in the utility model, including the shell of rectangle
10, upper cover 20 and battery core body 30, in described battery core body 30 is plugged on described shell 10 and upwards form two cylinders
Electrode tip holder 31, described electrode tip holder 31 exposes the upper surface of upper cover 20, and the upper end of shell 10 is fixedly connected with case 40, described cover
Form two cylindrical sockets 41 in the middle part of the upper surface of shell, two ends form two louvres 42, and described socket 41 is with scattered
Hot hole 42 is positioned on same level line.
Seeing Fig. 3, Fig. 6, Fig. 7, be plugged with conductive pole 50 in socket 41, the upper end of described conductive pole is plugged on socket 41
Interior, lower end is plugged in the electrode tip holder 31 of battery core body 30, and the upper end of conductive pole 50 is exposed socket 41 and is fixedly connected with first
Cross bar 61, the two ends of described first cross bar are separately fixed on two conductive poles 50, lower end, middle part is fixedly connected with stage clip 70, institute
The lower end stating stage clip is fixedly connected on case 40.
See Fig. 3, Fig. 6, be plugged with sealing lid 80 in louvre 42, prolong in the described oriented case of lower end molding sealing lid
The connecting rod 81 stretched, seals lid 80 in inverted convex shape, seal lid 80 upper end outer walls the diameter diameter more than louvre 42,
The diameter of lower end connecting rod 81, less than the diameter of louvre 42, described connecting rod 81 is fixedly connected with the second cross bar 62, described
Second cross bar is positioned at case 40, and the two ends of the second cross bar 62 are separately fixed on connecting rod 81 and conductive pole 50, connecting rod 81
Lower end connect have overtemperature protection bar 90, described overtemperature protection bar can move horizontally relative to connecting rod 81 in connecting rod 81,
The lower end of overtemperature protection bar 90 forms laterally protruding clamping block 91, and described clamping block is connected on overtemperature protection seat 100, institute
State overtemperature protection seat to be fixed on upper cover 20, in overtemperature protection seat 100, be provided with an expanding block 200, the lower end of described expanding block with
Upper cover 20 contacts, clamping block 91 is close in side, and clamping block 91, opposite side and overtemperature protection seat 100 are close in the side of expanding block 200
Interval is arranged, and when expanding block 200 expanded by heating, expanding block can back down clamping block 91 and make clamping block depart from overtemperature protection seat
100。
In this utility model, the first cross bar 61 and the second cross bar 62 are made by insulant, described overtemperature protection seat 100
Being made up of exotic material, overtemperature protection seat 100, shell 10, upper cover 20, case 40 and expanding block 200 are by insulant system
Become.
Embodiment one
Seeing Fig. 2 to Fig. 4, described connecting rod 81 lower end forms the inserting groove 82 of level, the upper end of overtemperature protection bar 90
Forming the cutting 92 coordinated with described inserting groove, the end of described cutting forms a pair limited block 93 up and down, cutting 92 and
Its limited block 93 is plugged in described inserting groove 82, and connecting rod 81 outer wall of inserting groove about 82 both sides forms a pair and institute
State the positive stop strip 83 that limited block 93 coordinates.By such scheme, expanding block 200 during backing down clamping block 91, overtemperature protection
Limited block 93 in the cutting 92 of bar 90 upper end and cutting is displaced outwardly in the inserting groove 82 of connecting rod 81, mobile to inserting groove
When 82 mouthfuls, limited block 93 is stopped by the positive stop strip 83 in connecting rod 81, thus carries out spacing to overtemperature protection bar 90, so that mistake
Thermal protection bar 90 is without departing from connecting rod 81.
Embodiment two
See Fig. 5, Fig. 6, be connected by spring 300 between described connecting rod 81 and overtemperature protection bar 90, described spring
Two ends are separately fixed at lower end and the upper end of overtemperature protection bar 90 of connecting rod 81 up and down.By such scheme, expanding block 300 is on top
During opening clamping block 91, the upper end of overtemperature protection bar 90 pulls spring 300, and spring deforms upon, and treats that clamping block 91 departs from
During overtemperature protection seat 100, spring 300 recovers again under elastic force effect.
This utility model is additionally arranged a case 40 on the basis of the battery of existing communication apparatus, installs in case
One overtemperature protection system, during work, when battery core body 30 is overheated cause the upper cover 20 overheated time, in overtemperature protection seat 100
The clamping block 91 of overtemperature protection bar 90 is also outwards pushed up by expanding block 200 expanded by heating, when expanding block 200 is expanded to a certain degree,
Clamping block 91 departs from overtemperature protection seat 100, and overtemperature protection bar 90 drives connecting rod 81 and sealing lid 80 to pop up, and causes sealing
The louvre 42 on case 40 is opened in lid 80 ejection, and meanwhile, connecting rod 81 pops up drive the second cross bar 62 and pulls up
Move on dynamic two conductive poles 50, make the lower end of conductive pole 50 depart from the electrode tip holder 31 on battery core body 30, thus realize open circuit,
During this, stage clip 70 bounce-back drives the first cross bar 61 to pop up, and the first cross bar 61 pulls two conductive poles 50 quicker
Leave electrode tip holder 31, it is achieved quick break.
In sum, battery of the present utility model Thermal protection mechanism can disconnect circuit automatically when battery is overheated, with
Time open heat dissipation channel, cool down battery core body, prevent battery explosion, it is ensured that production safety.
Battery overheat protecting device provided by the utility model, detailed description of the invention the most of the present utility model, but this
The protection domain of utility model is not limited thereto, and any those familiar with the art discloses at this utility model
In technical scope, change can be readily occurred in or replace, all should contain within this utility model protection domain.Therefore, this practicality
Novel protection domain should be as the criterion with described scope of the claims.