CN208157460U - Heat device, blanching shaping device and the molding equipment of battery case - Google Patents

Abstract

The utility model discloses a kind of device, blanching shaping device and molding equipment for heating battery case, the device for heating battery case includes：The first component and second component being oppositely arranged are provided with the first induction coil in the first component, the second induction coil are provided in the second component, the battery case is set between the first induction coil and the second induction coil.Thus, by being respectively arranged with induction coil inside the first component and second component, the stainless steel layer that can be evenly heated in steel plastic film, it can solve steel plastic film encapsulation stress release problem of non-uniform, so as to fundamentally solve steel plastic film encapsulation buckling problems, meanwhile the device of the heating battery case also has many advantages, such as to encapsulate high consistency, end socket service life long, safe and reliable, energy-efficient, accurate temperature control and good insulating.

Description

Heat device, blanching shaping device and the molding equipment of battery case

Technical field

The utility model relates to encapsulation technology field, in particular to a kind of device for heating battery case, blanching shaping are set Standby and molding equipment.

Background technique

With the technology maturation and commercialization of steel plastic film compound package material, steel plastic film starts to be applied to the soft of commercialization Packet lithium ion battery.Production with steel plastic film in soft bag lithium ionic cell is cut, since the rigidity of 60um thickness steel plastic film is 3 times of 67um thickness aluminum plastic film, ductility only have its 1/4, cause the encapsulation process window of steel plastic film very narrow.

In the related technology, the encapsulation of steel plastic film soft bag lithium ionic cell is done with existing plastic-aluminum film production process and equipment, most One of main problem is encapsulation fold, wherein the polypropylene in seal can be extruded to folding line two sides in seal fold position, The access that the seal extended transversely through and electrolyte can permeate is formed, seriously affects battery core package reliability and product excellent rate (about 30% excellent rate loss).

Wherein, the basic reason for generating encapsulation buckling problems is, when steel plastic film does High-temperature Packaging, heat-sealing head and steel plastic film The contact position of seal starting is asynchronous, and temperature distribution is non-uniform for resistance end socket, causes steel plastic film heated and discontinuity, To which encapsulation stress release is uneven, fold is formed.

Utility model content

The utility model aims to solve at least one of the technical problems existing in the prior art.For this purpose, the utility model mentions A kind of device heating battery case out, it is uneven that the device of the heating battery case can solve the release of steel plastic film encapsulation stress Problem, so as to fundamentally solve steel plastic film encapsulation buckling problems.

The utility model further proposes a kind of blanching shaping device.

The utility model further proposes a kind of molding equipment.

It is according to the present utility model heating battery case device include：The first component and second component being oppositely arranged, It is provided with the first induction coil in the first component, the second induction coil, the battery case are provided in the second component Body is set between the first induction coil and the second induction coil.

The device of heating battery case according to the present utility model, by being set respectively inside the first component and second component It is equipped with induction coil, it is uneven to can solve the release of steel plastic film encapsulation stress for the stainless steel layer that can be evenly heated in steel plastic film Problem, so as to fundamentally solve steel plastic film encapsulation buckling problems, meanwhile, the device of the heating battery case also has envelope The advantages that filling high consistency, end socket service life long, safe and reliable, energy-efficient, accurate temperature control and good insulating.

Optionally, the first component includes：First shell and first panel, the first panel are installed on described first Shell, first induction coil are set in the space between the first shell and the first panel；Described second Part includes：Second shell and second panel, the second panel are installed on the second shell, the second induction coil setting In space between the second shell and the second panel, the first panel and the second panel are oppositely arranged.

Further, the first shell and the second shell are configured to electromagnetic wave shielding shell.

Optionally, the first shell and the second shell are nonmetal parts.

Optionally, the device of the heating battery case further includes：Electromagnetic controller and inverter, the Electromagnetic Control Device is electrically connected with the inverter, and first induction coil and second induction coil are electrically connected with the inverter respectively It connects.

Further, the device of the heating battery case further includes：Control circuit, the control circuit are connected on institute It states between inverter and first induction coil, the control circuit includes two sub-circuits, two sub-circuit difference It is electrically connected with first induction coil and second induction coil.

Blanching shaping device according to the present utility model is used for battery case, including：The dress of above-mentioned heating battery case It sets.

Molding equipment according to the present utility model is used for battery case, including：Mold and above-mentioned heating battery case Device, the mold include the upper die and lower die being oppositely arranged；The upper mold is set to the first component, the lower die setting In the second component.

Optionally, induction coil is embedded in the upper mold and the lower die.

Further, the upper mold is embedded in the first component, and the flush with the first component；The lower die It is embedded in the second component, and the flush with the second component.

Detailed description of the invention

Fig. 1 is the schematic diagram according to the device of the heating battery case of the utility model embodiment；

Fig. 2 be according to the utility model embodiment heating battery case device end socket be triangle when signal Figure；

Fig. 3 be according to the utility model embodiment heating battery case device end socket be rectangle when schematic diagram；

Fig. 4 be according to the utility model embodiment heating battery case device end socket be pentagon when signal Figure；

Fig. 5 is the schematic diagram according to the blanching shaping device of the utility model embodiment；

The schematic diagram that Fig. 6 is according to the blanching shaping device of the utility model embodiment when being semicircle；

Fig. 7 be according to the blanching shaping device of the utility model embodiment be triangle when schematic diagram；

Fig. 8 be according to the blanching shaping device of the utility model embodiment be rectangle when schematic diagram；

Fig. 9 be according to the blanching shaping device of the utility model embodiment be it is trapezoidal when schematic diagram；

Figure 10 is the schematic diagram that induction coil is not provided with according to the upper mold of the molding equipment of the utility model embodiment；

Figure 11 is the schematic diagram that induction coil is provided with according to the upper mold of the molding equipment of the utility model embodiment.

Appended drawing reference：

Heat the device 10 of battery case；

The first component 1；

First shell 11；Electromagnetic wave shielding 111；

First panel 12；

Second component 13；Second shell 131；Second panel 132；

First induction coil 2；Second induction coil 21；

Electromagnetic controller 3；Inverter 4；

Control circuit 5；Sub-circuit 51；

Battery 20；Steel plastic film 201；

Blanching shaping device 30；

Molding equipment 40；Mold 401；Upper mold 4011；Lower die 4012.

Specific embodiment

The embodiments of the present invention are described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning Same or similar element or element with the same or similar functions are indicated to same or similar label eventually.Below by ginseng The embodiment for examining attached drawing description is exemplary, and is only used for explaining the utility model, and should not be understood as to the utility model Limitation.

In the description of the present invention, it should be understood that term " center ", " longitudinal direction ", " transverse direction ", " length ", " width Degree ", " thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom" "inner", "outside", " suitable The orientation or positional relationship of the instructions such as hour hands ", " counterclockwise ", " axial direction ", " radial direction ", " circumferential direction " is orientation based on the figure Or positional relationship, be merely for convenience of describing the present invention and simplifying the description, rather than the device of indication or suggestion meaning or Element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as the limit to the utility model System.In addition, defining " first ", the feature of " second " can explicitly or implicitly include one or more of the features. In the description of the present invention, unless otherwise indicated, the meaning of " plurality " is two or more.

In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally Connection；It can be mechanical connection, be also possible to be electrically connected；Can be directly connected, can also indirectly connected through an intermediary, It can be the connection inside two elements.For the ordinary skill in the art, above-mentioned art can be understood with concrete condition The concrete meaning of language in the present invention.

The device of the heating battery case according to the utility model embodiment is described in detail below with reference to Fig. 1-Fig. 4 10, battery case is used to protect the battery core of inside battery, and battery case can be steel plastic film 201, but not limited to this, below with steel It is described for plastic film 201.

As Figure 1-Figure 4, include according to the device 10 of the heating battery case of the utility model embodiment：It is oppositely arranged The first component 1 and second component 13, be provided with the first induction coil 2 in the first component 1, be provided with second in second component 13 Induction coil 21, battery case are set between the first induction coil 2 and the second induction coil 21.The first component 1 and second Part 13 can be spaced setting, for example, the first component 1 and about 13 relative spacing of second component are opened up and set, such setting can make Magnetic field space is formed between first induction coil 2 and the second induction coil 21.That is, the first induction coil 2 and the second sense Answer the setting of coil 21 that can to form magnetic field space between the first component 1 and second component 13.

Wherein, first apply certain pressure with the first component 1 and second component 13, at normal temperature seal region alignment pressure Tightly, due to heating not yet, steel plastic film 201 can be uniformly aligned, then the first induction coil 2 and the second induction coil 21 it Between the magnetic field that is formed, the stainless steel layer in steel plastic film 201 can be made to generate vortex, the rapid heat production of stainless steel layer fuses polypropylene layer, Reach packaging effect, this heat-sealing method can be evenly heated the stainless steel layer in steel plastic film 201, can solve 201 envelope of steel plastic film Stress release problem of non-uniform is filled, encapsulates buckling problems so as to fundamentally solve steel plastic film 201, also, can also mention The package reliability for rising battery 20, can also promote the product excellent rate of battery 20.

In addition, the encapsulation consistency of the device 10 of the heating battery case is high, the first component 1 and second component 13 are not produced Heat, long service life, heat utilization is abundant, and substantially without scattering and disappearing, heat is gathered in steel plastic film 201 inside stainless steel layer, end socket 1 Surface temperature is slightly above room temperature, can be not necessarily to high temperature protection, and 10 thermal starting of device for heating battery case is non-with safe touch Often fast, average preheating time specific resistance circle heating method shortens 60% or more, and the thermal efficiency is up to 90% or more, in same item Under part, specific resistance circle heating economize on electricity 30-70%, thermal resistance it is stagnant it is small, thermal inertia is low, temperature control in real time it is accurate, while first induction Coil 2 and the second induction coil 21 are wrapped up by the first component 1 and second component 13 respectively, good insulation preformance, no electric leakage, short circuit event Barrier, it is absolutely safe.

As a result, by being respectively arranged with induction coil inside the first component 1 and second component 13, steel can be evenly heated Stainless steel layer in plastic film 201 can solve 201 encapsulation stress of steel plastic film release problem of non-uniform, so as to fundamentally It solves steel plastic film 201 and encapsulates buckling problems, meanwhile, the device 10 of the heating battery case also has encapsulation consistency height, end socket 1 The advantages that service life long, safe and reliable, energy-efficient, accurate temperature control and good insulating.

Wherein, the device 10 of the heating battery case can quickly and easily be integrated into existing soft bag lithium ionic cell 20 Closedtop equipment, side sealing apparatus, fluid injection post package equipment and chemical conversion after be evacuated sealed in unit on, can reduce scrap build at This, so as to industrial applications easy to accomplish.

Optionally, as shown in Figure 1, the first component 1 may include：First shell 11 and first panel 12, first panel 12 It is installed on first shell 11, the first induction coil 2 is set in the space between first shell 11 and first panel 12, and second Part 13 may include：Second shell 131 and second panel 132, second panel 132 are installed on second shell 131, second line of induction Circle 21 is set in the space between second shell 131 and second panel 132, and first panel 12 and second panel 132 are set relatively It sets.It is to be understood that first panel 12 and about 132 second panel are oppositely arranged, such setting can guarantee in the first face Magnetic field space is formed between plate 12 and second panel 132, thereby may be ensured that the device 10 of heating battery case meets work and wants It asks.

Further, first shell 11 and second shell 131 can be structured as electromagnetic wave shielding shell, when electromagnetic wave is encountered It, can be the electromagnetic wave not contacted directly with first panel 12 and second panel 132 when first shell 11 and second shell 131 It is all reflected at first panel 12 and second panel 132, the output power of electromagnetic wave can be reinforced, so as to reach energy conservation With the purpose improved efficiency.

Specifically, as shown in Figure 1, electromagnetism wave screen has can be set in the inner surface of first shell 11 and second shell 131 Layer 111 is covered, electromagnetic wave shielding 111 has the function of shielding, reflection electromagnetic wave, when electromagnetic wave encounters first shell 11 and second When shell 131, electromagnetic wave shielding 111 can be prevented at reflection of electromagnetic wave to first panel 12 and second panel 132 Electromagnetic wave is emitted to outside first shell 11 and second shell 131 from first shell 11 and second shell 131, so as to be promoted Heat the working performance of the device 10 of battery case.

Optionally, the nonmetal parts that first shell 11 and second shell 131 all can be wear-resisting, in this way setting are able to ascend The working performance of first shell 11 and second shell 131.

Further, first shell 11 can be one of ceramics, black crystalline substance, crystallite, nylon and Teflon, second shell One of 131 or ceramics, black crystalline substance, crystallite, nylon and Teflon, ceramic, black crystalline substance, crystallite, nylon and Teflon are all It is insulating materials, good insulation preformance can further prevent the device 10 of heating battery case to leak electricity, can also further prevent Short trouble occurs for the device 10 for heating battery case, so as to further promote the use for the device 10 for heating battery case Safety.

Specifically, as Figure 1-Figure 4, the section of the first component 1 can be in partially circular, polygonal and half elliptic One kind, the section of second component 13 may be one of partially circular, polygonal and half elliptic, such as the first component 1 It is set as semicircle with the section of second component 13, such setting is able to ascend the first component 1 and the structure of second component 13 is strong Degree, it is ensured that the functional reliability of the first component 1 and second component 13, and first shell 11 and second shell can also be made 131 preferably reflection electromagnetic waves.But the utility model is without being limited thereto, and the section of the first component 1 and second component 13 can also be set Other shapes are set to, as long as serving the same role with partially circular, polygonal and half elliptic.

Optionally, as shown in Figure 1, the device 10 of heating battery case can also include：Electromagnetic controller 3 and inverter 4, Electromagnetic controller 3 is electrically connected with inverter 4, and the first induction coil 2 and the second induction coil 21 are electrically connected with inverter 4 respectively, Wherein, electromagnetic controller 3 can input the alternating current of 220V (50/60Hz) and 380V (50/60Hz) both of which, then through whole Stream, filtering, voltage regulator circuit become direct current electricity output to inverter 4, and then the direct current of input is passed through variety classes by inverter 4 Inverter 4 becomes to need the exchange electricity output of frequency to the first induction coil 2 and the second induction coil 21, can be the first induction Coil 2 and the second induction coil 21 provide electric energy, thereby may be ensured that the first induction coil 2 and the normal work of the second induction coil 21 Make.

The frequency range of output is exchanged between 100Hz~500kHz, is divided into low frequency (100Hz~150Hz), intermediate frequency (150Hz~10kHz), superaudio (10kHz~100kHz) and four kinds of modes of high frequency (100kHz~500kHz), such setting can So that the device 10 of heating battery case, which adapts to different steel plastic films 201, encapsulates power demand.

Wherein, inverter 4 exports the alternating current of different frequency, and the inverter 4 of corresponding commercialization is different, low frequency use effect Component, intermediate frequency thyristor component, superaudio semiconductor power device or silicon-controlled oscillator are answered, the sub- pipe of high frequency electric is high Frequency oscillator.

Further, as shown in Figure 1, the device 10 of heating battery case can also include：Control circuit 5, control circuit 5 It is connected between inverter 4 and the first induction coil 2, wherein the alternating current exported through inverter 4 can pass through control circuit 5 It is conveyed to the first induction coil 2, can preferably control the work of the first component 1.

Specifically, as shown in Figure 1, control circuit 5 may include two sub-circuits 51, two sub-circuits 51 are respectively with first Induction coil 2 and the electrical connection of the second induction coil 21, it should be noted that a sub-circuit 51 is connect with the first induction coil 2, Another sub-circuit 51 is connect with the second induction coil 21, that is to say, that and one sub-circuit 51 are powered to an induction coil, Such setting can be realized the independent adjustment first component 1 and 13 output power function of second component, and 1 He of the first component may be implemented The work that 13 magnetic field of second component flexibly controls.

In addition, electromagnetic controller 3 and inverter 4 have versatility, the product of commercialization can be selected, control circuit 5 Function is simple, it is easy to accomplish, and the design of end socket 1 is simple, material multiplicity, it is easy to accomplish commercialization.

It should be noted that the device 10 of the heating battery case of above-described embodiment can integrate in other equipment, this Sample can be realized simultaneously the function of the function of existing equipment and the device 10 of the heating battery case, so as to realize function It is compound, and process can be reduced, the whole flow process of production line can be shortened, below citing detailed description.

As shown in Fig. 5-Fig. 9, according to the blanching shaping device 30 of the utility model embodiment, it to be used for battery case, blanching Shaping device 30 includes：Fixture, fixture can be the device 10 of heating battery case.

As shown in Figure 5 and Figure 6, first embodiment according to the present utility model, the shape of fixture are semicircle, 20 side of battery After one folding of side, a folding is clamped by the blanching shaping device 30, clamping pressure 0.3MPa, then inputting frequency electromagnetic waves makes one It rolls over the generation of internal layer stainless steel to be vortexed, rapid heat production progress thermoplastic shape, the rebound opening stress of steel plastic film 201 of one folding of release, after 2s Heating temperature is adjusted by input frequency, after one folding blanching of electromagnetic wave molding, carries out the operation of 201 eighty percent discount of steel plastic film.

During carrying out the operation of 201 eighty percent discount of steel plastic film, eighty percent discount is compressed close to electricity with the blanching shaping device 30 first 20 main body of pond, compaction pressure 0.2MPa, then inputting frequency electromagnetic waves makes flanging internal layer stainless steel generate vortex, rapid heat production Thermoplastic shape is carried out, stress is opened in the rebound of steel plastic film 201 for discharging eighty percent discount, and electromagnetic induction input stops after 3s, makes 201 folding of steel plastic film The cooling moulding in side reaches best flanging molding effect.

As shown in fig. 7, second embodiment according to the present utility model, after 20 side of battery, one folding, the shape of fixture is three It is angular, a folding is clamped by the blanching shaping device 30, clamping pressure 0.4MPa, then inputting frequency electromagnetic waves makes in a folding Layer stainless steel generates vortex, and rapid heat production carries out thermoplastic shape to battery 20, and stress is opened in the rebound of steel plastic film 201 of one folding of release, Heating temperature is adjusted by input frequency after 1s, after folding blanching molding, carries out the operation of 201 eighty percent discount of steel plastic film.

During carrying out the operation of 201 eighty percent discount of steel plastic film, eighty percent discount is compressed close to electricity with the blanching shaping device 30 first 20 main body of pond, compaction pressure 0.15MPa, then inputting frequency electromagnetic waves makes flanging internal layer stainless steel generate vortex, produces rapidly Heat carries out thermoplastic shape, and stress is opened in the rebound of steel plastic film 201 for discharging eighty percent discount, and electromagnetic induction input stops after 4s, makes steel plastic film 201 The cooling moulding of flanging reaches best flanging molding effect.

As shown in figure 8,3rd embodiment according to the present utility model, the shape of fixture is rectangle, 20 side one of battery After folding, a folding is clamped by the blanching shaping device 30, clamping pressure 0.35MPa, then inputting frequency electromagnetic waves makes a folding Internal layer stainless steel generates vortex, and rapid heat production carries out thermoplastic shape to battery 20, and the rebound of steel plastic film 201 of one folding of release, which is opened, answers Power adjusts heating temperature by input frequency after 1.5s, after folding blanching molding, carries out the operation of 201 eighty percent discount of steel plastic film.

During carrying out the operation of 201 eighty percent discount of steel plastic film, eighty percent discount is compressed close to electricity with the blanching shaping device 30 first 20 main body of pond, compaction pressure 0.2MPa, then inputting frequency electromagnetic waves makes flanging internal layer stainless steel generate vortex, rapid heat production Thermoplastic shape is carried out, stress is opened in the rebound of steel plastic film 201 for discharging eighty percent discount, and electromagnetic induction input stops after 2s, makes 201 folding of steel plastic film The cooling moulding in side reaches best flanging molding effect.

As shown in figure 9, fourth embodiment according to the present utility model, the shape of fixture is trapezoidal, 20 side of battery, one folding Afterwards, a folding is clamped by the blanching shaping device 30, clamping pressure 0.5MPa, then inputting frequency electromagnetic waves makes a folding internal layer Stainless steel generates vortex, and rapid heat production carries out thermoplastic shape, and the rebound of steel plastic film 201 of one folding of release is opened stress, passed through after 0.5s It inputs frequency and adjusts heating temperature, after folding blanching molding, carry out the operation of 201 eighty percent discount of steel plastic film.

During carrying out the operation of 201 eighty percent discount of steel plastic film, eighty percent discount is compressed close to electricity with the blanching shaping device 30 first 20 main body of pond, compaction pressure 0.4MPa, then inputting frequency electromagnetic waves makes flanging internal layer stainless steel generate vortex, rapid heat production Thermoplastic shape is carried out, stress is opened in the rebound of steel plastic film 201 for discharging eighty percent discount, and electromagnetic induction input stops after 1s, makes 201 folding of steel plastic film The cooling moulding in side reaches best flanging molding effect.

Wherein, the disclosed blanching shaping device 30 with fixture of different shapes of the utility model embodiment, not only limits In the design of attached drawing 5- four kinds of fixtures shown in Fig. 9 and combination, also can be applied to 20 blanching of battery of single flanging steel plastic film 201 at Type.

As shown in Figure 10 and Figure 11, according to the molding equipment of the utility model embodiment 40, it is used for battery case, molding to be set Standby 40 include：The device 10 of mold 401 and heating battery case, mold 401 may include the upper mold 4011 being oppositely arranged up and down With lower die 4012, upper mold 4011 and lower die 4012 are integrated in respectively in the first component 1 and second component 13, wherein upper mold 4011 It is set in the first component 1, lower die 4012 is set in second component 13, and such setting can be in upper mold 4011 and lower die 4012 Between space formed magnetic field space, so as to so that molding equipment 40 meets job requirement.

Optionally, it is embedded with induction coil in upper mold 4011 and lower die 4012, when molding equipment 40 works, induction coil Magnetic field can be generated, it is ensured that magnetic field is formed in magnetic field space.

Further, upper mold 4011 is embedded in the first component 1, and the flush of upper mold 4011 and the first component 1, lower die 4012 insertion second components 13, and the flush of lower die 4012 and second component 13, wherein the lower surface of the first component 1 Concordant with the lower surface of upper mold 4011, the upper surface of second component 13 is concordant with the upper surface of lower die 4012, and such setting can So that the first component 1 and second component 13 is preferably assembled together with upper mold 4011 and lower die 4012, molding equipment 40 can be made Structure it is more reasonable.

As shown in Figure 10, the 5th embodiment according to the present utility model is not provided with induction coil in upper mold 4011, forms When equipment 40 works, when 201 coiled strip of steel plastic film is placed between upper mold 4011 and lower die 4012 by drawstring, the molding is first passed through Equipment 40 heats steel plastic film 201, heating temperature is adjusted by input frequency, when the internal layer stainless steel temperature of steel plastic film 201 When spending to 120 DEG C, the operation of punching hole is carried out, when the punching of upper mold 4011 hole stroke end, electromagnetic induction heating is synchronous to be stopped, and is arranged such The cooling moulding of 201 packaging bag of steel plastic film can be made to reach best punching hole effect.

As shown in figure 11, sixth embodiment according to the present utility model is provided with induction coil in upper mold 4011, and molding is set When standby 40 work, when 201 coiled strip of steel plastic film is placed between upper mold 4011 and lower die 4012 by drawstring, first passes through the molding and set Standby 40 pairs of steel plastic films 201 heat, and heating temperature are adjusted by input frequency, when the internal layer stainless steel temperature of steel plastic film 201 To 110 DEG C, the operation of punching hole is carried out, when stroke end is cheated in the punching of upper mold 4011, electromagnetic induction heating is synchronous to be stopped, and setting can also in this way So that the cooling moulding of 201 packaging bag of steel plastic film reaches best punching hole effect.

Wherein, which is not limited only to two kinds of molding equipments 40 shown in Figure 10 and Figure 11, as long as including this reality With the device 10 of novel heating battery case, can be applicable in, specific embodiment no longer repeats one by one.

In the description of this specification, reference term " one embodiment ", " some embodiments ", " illustrative examples ", The description of " example ", " specific example " or " some examples " etc. means specific features described in conjunction with this embodiment or example, knot Structure, material or feature are contained at least one embodiment or example of the utility model.In the present specification, to above-mentioned art The schematic representation of language may not refer to the same embodiment or example.Moreover, description specific features, structure, material or Person's feature can be combined in any suitable manner in any one or more of the embodiments or examples.

While there has been shown and described that the embodiments of the present invention, it will be understood by those skilled in the art that： These embodiments can be carried out with a variety of variations, modification, replacement in the case where not departing from the principles of the present invention and objective And modification, the scope of the utility model are defined by the claims and their equivalents.

Claims (10)

1. a kind of device for heating battery case, which is characterized in that including：The first component and second component being oppositely arranged, institute It states and is provided with the first induction coil in the first component, the second induction coil, the battery case are provided in the second component It is set between the first induction coil and the second induction coil.

2. the device of heating battery case according to claim 1, which is characterized in that the first component includes：First Shell and first panel, the first panel are installed on the first shell, and first induction coil is set to described first In space between shell and the first panel；

The second component includes：Second shell and second panel, the second panel are installed on the second shell, and described Two induction coils are set in the space between the second shell and the second panel, the first panel and described second Panel is oppositely arranged.

3. the device of heating battery case according to claim 2, which is characterized in that the first shell and described second Shell is configured to electromagnetic wave shielding shell.

4. the device of heating battery case according to claim 2, which is characterized in that the first shell and described second Shell is nonmetal parts.

5. the device of heating battery case according to claim 1, which is characterized in that further include：Electromagnetic controller and inverse Become device, the electromagnetic controller is electrically connected with the inverter, first induction coil and second induction coil difference It is electrically connected with the inverter.

6. the device of heating battery case according to claim 5, which is characterized in that further include：Control circuit, the control Circuit processed is connected between the inverter and first induction coil, the control circuit include two sub-circuits, two The sub-circuit is electrically connected with first induction coil and second induction coil respectively.

7. a kind of blanching shaping device is used for battery case, which is characterized in that including：It is of any of claims 1-6 Heat the device of battery case.

8. a kind of molding equipment is used for battery case, which is characterized in that including：

Mold, the mold include the upper die and lower die being oppositely arranged；

The device of heating battery case of any of claims 1-6, the upper mold are set to the first component, institute It states lower die and is set to the second component.

9. molding equipment according to claim 8, which is characterized in that be embedded with induction in the upper mold and the lower die Coil.

10. molding equipment according to claim 8, which is characterized in that the upper mold is embedded in the first component, and with institute State the flush of the first component；

The lower die is embedded in the second component, and the flush with the second component.