CN108781480A - Controller for heating vessel - Google Patents

Abstract

The present invention relates to a kind of controllers for heating vessel.Particularly, controller (2) includes molded plastics unit (4) and is attached to the metal mounting plate (6) of molded plastics unit (4), the molded plastics unit (4) accommodates for controlling at least one switch to the power supply of heating vessel, wherein metal mounting plate (6) includes one or more metals protruding portion (22), is set as that mounting plate (6) is attached to molded plastics unit (4) with the set-up mode for being tensioned locking.

Description

Controller for heating vessel

The present invention relates to the controller for heating vessel, further relate to include the controller for being fastened to its pedestal liquid Body heats container.

Typically, the controller for the heating vessel of such as kettle includes molded plastics unit and is attached to the mould The metal mounting plate of plastic unit processed, molded plastics unit, which accommodates, is used to control the power supply for arriving heating vessel at least One switch.In general, metal mounting plate includes one or more holes, allow metal mounting plate such as passing through quilt stud It is fastened to the pedestal of heating vessel, to install the controller thermally contacted with pedestal.In the controller, mounting plate can pass through Multiple metal lugs (tab) or lug (lugs) are attached to molded plastics unit, and protruding portion or lug bend to mounting plate Except plane, with across the corresponding opening being arranged in molded plastics unit, the end of protruding portion or lug bend again with Mounting plate and moulding unit are fixed together.It can see the example of this controller in WO 95/34187, and by applying trie The U18 Series Controllers of Ke Si Co., Ltds sale are implemented.

Recently, there is the demand of the intensity of the controller to improving kettle.For example, domestic kettle can be subjected to " drop test ", to ensure that they can resist the power being subjected in transportational process, which may promote master control molded article to be detached from Mounting plate.In order to solve the problems, such as this, the control for heating vessel can be strengthened by increasing one or more screws Device, screw pass through mounting plate and moulded parts to hold them in together.However, in component costs and required add-on assemble Two aspects, this all to manufacture controller costly.

The present invention is intended to provide a kind of controller for heating vessel, is moulded with metal mounting plate to main mould system The improvement attachment structure of material unit.

According to the present invention, a kind of controller for heating vessel is provided, wherein the controller includes that molding is moulded Material unit and the substantially flat metal mounting plate for being attached to molded plastics unit, molded plastics unit is accommodated arrives liquid for controlling At least one switch of the power supply of container is heated, wherein metal mounting plate includes allowing metal mounting plate to be fastened to liquid to add One or more holes of the pedestal of heat container, wherein metal mounting plate further comprise being set as mounting plate being attached to molding modeling The metal lug of material unit, the metal lug are included in the column bent at its pedestal except the plane of mounting plate, and should Column includes the arm that mounting plate extension is basically parallel in plane identical with column, and wherein molded plastics unit includes positioning to connect The support sector of the arm of metal lug is received, and wherein mounting plate is plastically deformed at metal lug, in the base of column It is formed at seat and reinforces shape, which generates the tension acted on along column so that arm is drawn down to branch in the plane of column It holds in portion, therefore metal lug keeps tensioning mounting plate is attached to molded plastics unit.

Controller according to the present invention by mounting plate by metal lug by being attached to molded plastics unit come strong as a result, Change, which is set as applying the tension acted on along column and thereby except the plane of mounting plate, using with application The similar mode of screw that tension keeps together two parts, but without any this additional component.This can be with It is referred to as " tensioning locking (tension locking) " set-up mode.Metal lug has with existing controller (such as such as WO Seen in 95/34187) used in the different structures of metal lugs that mounting plate is fixed to moulded parts, which is because, Metal lug includes bending to the column except the plane of mounting plate and being basically parallel to installation in plane identical with column The arm that plate extends, rather than bend again.It means that when arm is drawn down to support sector in the plane of column by molded plastics unit When upper, support sector is compressed by the tension that is acted on along column, and firm metal column must can be from molded plastics list in mounting plate Self-deformation before member is unclamped.This is enhanced by the reinforcement shape of generation tension.On the other hand, in existing controller, two The metal lugs of secondary bending are easy to unclamp, and reason is the folded end of protruding portion not identical with the support sector of protruding portion In plane, and it is only provided to the friction grip on moulded parts and non-tensioned holding.

At least some embodiments according to the present invention, column include being basically parallel to mounting plate in plane identical with column to prolong Two arms stretched, it is T-shaped with shape.Metal lug with this T shapes is structurally different to be used in existing controller Mounting plate is fixed to the metal lugs of the bending of moulded parts.T shapes have an advantage that metal lug includes two arms, column One arm is all set per side, and two of which arm, which pulls down, to be generated so that being applied in a manner of being balanced to molded plastics unit along column Tension.Molded plastics unit preferably includes the corresponding support sector of a pair for the every side for being located in column, to receive the arm of T shapes. Then, each metal lug can be advantageous to keep in tensioning state, which has two limited by support sector A different contact zone domain plays the role of mounting plate being attached to molded plastics unit.This tension distribution increases attachment knot The intensity of structure.

At least some embodiments according to the present invention, metal mounting plate include that multiple metals as described above protrude Portion is each set to mounting plate being attached to molded plastics unit.For example, metal mounting plate includes at least two such as institutes above The metal lug of description.

The one or more support sectors being formed on molded plastics unit can only provide one of each metal lug Or multiple arms can pull down the surface against it.However, at least some embodiments according to the present invention, by molded plastics unit One or more support sectors of offer can each include groove, make the arm for being dimensioned to receive metal lug of groove. The groove of this adaptation helps to form closely tensioning " locking " between metal lug and molded plastics unit.

Controller may include one or more other feature, play auxiliary and form metal being installed to molded plastics list The effect of the fixation attachment structure of member.Particularly, applicants have recognized that, for can quickly and accurately organize cartridge controller with And it realizes and is important for firm attachment.

At least some embodiments according to the present invention, molded plastics unit include being set as positioning convex in the opening Platform, the opening bend to except the plane of mounting plate in the column of metal lug and are formed in metal mounting plate.Each opening Can have and the corresponding T shapes of the T shapes of associated metal lug.Include multiple metal lugs in metal mounting plate In the case of, molded plastics unit may include for positioning convex platform in each of metal lug.Molded plastics unit is arranged The advantage of this positioning convex platform is that they can make mounting plate can be accurate relative to moulding unit in the plane of controller Ground positions.This can contribute to accelerate accurately to assemble.One or more positioning convex platforms also can be to the plane strength of enhancing structure It is helpful.

At least some embodiments according to the present invention, molded plastics unit include molded hooks comprising are projected into molding modeling Base part and bending except the plane of material unit is to be basically parallel to the hook portion of molded plastics unit extension.Hook portion can To be spaced apart a height with main mould plastic unit, this is highly enough to contain metal mounting plate.Metal mounting plate preferably wraps Aperture is included, aperture is made to be sized to receive molded hooks.Aperture can be formed in mounting plate with mounting plate plane angulation In the part of degree, to assist the insertion of hook portion through hole mouth.In assembling process, by pushing hook portion can be with by aperture Metal mounting plate is set to be slided in molded hooks.Then, base part is combined with aperture, and mounting plate, which is maintained at, to be laterally restricted Position in.In assembling process, in mounting plate of the bending close to one or more metal lugs, molded hooks advantageously make peace Loading board is held against molded plastics unit so that the arm of metal lug is downwardly against in corresponding support sector, realizes tensioning lock It is fixed.

Further preferred feature according to the present invention, the aperture in metal mounting plate include the edge of shape of shaping, setting To match with the corresponding protrusion faced on surface or recess of molded hooks.This can assist molded hooks to be clamped to metal installation On plate, so that the attachment intensity to controller is helpful.Preferably, hook portion includes the song that should be on surface in molded hooks Line protrusion or recess.The edge of the setting shape may include corresponding curvilinear indentations or protrusion, for matching purpose.These curves Additional attachment point of the matching characteristic to being provided by molded hooks reinforcement geometry it is helpful.

At least some embodiments according to the present invention, controller are included between metal mounting plate and molded plastics unit Three main attachment points.These three attachment points may include two metal lugs as described above and as described above One molded hooks.Three attachment points can be separated from each other, to form the angle of the triangle of the mid portion of overlay controller.This Sample has the advantage that three attachment points can realize the strong ties between mounting plate and moulding unit, without any attached The screw or other fasteners added.

Applicants have appreciated that there is the built-in attachment point between metal mounting plate and molded plastics unit by providing Controller, the compact set-up mode of three attachment points especially as described above, mounting plate can have than existing control Small region in device.For example, mounting plate need not provide the space for additional bolts hole.

At least some embodiments according to the present invention, mounting plate include the maximum gauge no more than 75mm, preferably less In 70mm, still more preferably less than 70mm.Most preferably, mounting plate includes the maximum gauge of about 67mm.This can with It is compared in the maximum gauge of the 76mm of the U18 Series Controllers of applicant.As a result, reducing the base in heating vessel The required space of mounting plate is accommodated on seat.It means that the pedestal own dimensions heated can reduce.Add for identical For thermal power, smaller heating vessel can be manufactured in this way, reduced manufacturing cost, also reduced transportation cost.

According to the present invention, it is further provided a kind of heating vessel comprising the base contacted when in use with liquid Seat and the heating element installed with thermally contacting with pedestal and controller as described above, wherein the metal peace of controller Loading board is fastened to pedestal in by the external region of heating element.It will be seen that can reduce by the external region of heating element, To be adapted to the maximum gauge of mounting plate.May include as a result, the maximum gauge less than 70mm, example by the external region of heating element Such as it is 67mm.It means that pedestal can be made to smaller, and heating element being capable of efficiently heating pedestal.Therefore, base Seat can be made to thinner than usual.

The pedestal of at least some embodiments according to the present invention, heating vessel includes heat-radiator plate, heating element peace It is attached to heat-radiator plate, heat-radiator plate preferably has the thickness less than 2mm.For example, the thickness of heat-radiator plate can be reduced to greatly About 1.5mm, to be combined with the more compact mounting plate of controller described above.

At least some embodiments according to the present invention, the pedestal of heating vessel are substantially flat.Controller Metal mounting plate can be fastened to flat pedestal.The flat pedestal of heating vessel may include one or more double Hook bolt passes through one or more holes of metal mounting plate so that controller can fasten in place.

Heating vessel described herein is preferably the wireless liquid for the type for including 360 ° of wireless electric connectors Heat container.This 360 ° of cordless vessels may be coupled to electric power pedestal, but regardless of their relative angle orientation how, or Substantially regardless of their relative angle orientation.For example, 360 ° of wireless electric connectors can allow in opposite angle model It is connected to electric power pedestal in enclosing, which is preferably at least 300 °, 320 ° or 340 °, substantially can reach 360°。

The molded plastics unit of at least some embodiments according to the present invention as a result, controller includes that 360 ° of receiving is wireless The cylindrical wall of electric connector.Preferably, which includes being concentrically disposed at least around middle part pin One becket.Preferably, which is electrically connected at least one switch, holds for controlling to liquid heating The power supply of device.360 ° of wireless electric connectors can be three pole connectors of type disclosed in such as WO95/08204 or Five pole connectors of type disclosed in person such as WO01/28294.

Some currently preferred embodiments of the present invention will be described in reference to the drawings only by example now, in the accompanying drawings：

Fig. 1 provides the top perspective view of the controller of the embodiment of the present invention；

Fig. 2 provides the face upwarding stereogram of the controller of the embodiment of the present invention；

Fig. 3 a show the upside for the metal mounting plate for being installed to Fig. 1 and controller seen in fig. 2；

Fig. 3 b show the downside for the metal mounting plate for being installed to Fig. 1 and controller seen in fig. 2；

Fig. 4 a and 4b each provide controller seen in fig. 2 in an assembling process with the close shot figure after assembling；

Fig. 5 provides the close shot figure of the controller of the prior art, for compared with Fig. 4 b；

Fig. 6 a show the plan view of the metal mounting plate for the pedestal for being fastened to heating vessel；And

Fig. 6 b show the side cross-sectional view of the metal mounting plate for the pedestal for being fastened to heating vessel.

The visible controller 2 for including the heating vessel of the type of molded plastics unit 4 in Fig. 1 and Fig. 2, substantially Flat metal mounting plate 6 is attached to the molded plastics unit 4.Molded plastics unit 4 includes 360 ° of wireless electric connectors 8 (in Fig. 2 It can be seen that), which makes power supply be connectable to controller 2.Although invisible in figure, mould Plastic unit 4 processed accommodates at least one switch, which can be disconnected to cut off power supply.Including at least one The power supply circuit of a switch is terminated by a pair of of electric terminal 10a, 10b, and a pair of electric terminal 10a, 10b enable power supply Other electrical components being connected in heating element or heating vessel.

Visible controller with the U18 Series Controller similar modes of applicant to work in Fig. 1 and Fig. 2, Ke Yican Examine operating principle disclosed in WO 95/34187.Although will not describe substantially to have obtained from the prior art herein in further detail The feature for the controller 2 known, but it will be seen that controller 2 includes the interruption pole (trip lever) 12 of spring installation, this is disconnected Road bar 12 provides the manual operation at least one of power supply circuit switch.And it can be observed from fig. 2 that steam is quick The bimetallic actuator 14 of sense is mounted on an end of molded plastics unit 4, and is set as detecting liquid heating appearance Interruption pole 12 is operated when boiling in device.

As seen in Figure 1, the first bimetallic actuator 15a and second pair are located on the upper surface of metal mounting plate 6 Metal actuator 15b.Two bimetallic actuators 15a, 15b provide overheating protection function to controller 2.It can be seen that gold It includes three holes 16a, 16b, 16c to belong to mounting plate 6, such as allows to pacify using from the downside of pedestal mounting stud outstanding Loading board 6, into but controller 2 is fastened to the pedestal of heating vessel.When the pedestal of controller 2 against heating vessel is tight Gu when, the first bimetallic actuator 15a and the second bimetallic actuator 15b keep the pedestal with heating to thermally contact, so as to it Temperature is sensitive.First bimetallic actuator 15a is set as operating when reaching first, lower temperature, therefore provides primary mistake Thermal protection.Second bimetallic actuator 15b is set as operating when reaching second, higher temperature, therefore provides secondary overheat Protection.This overheating protection is necessary in the case of also being supplied electric power to it when for example even heating vessel is empty. In this controller, the first bimetallic actuator 15a is typically provided as operation and is contained in opening for 4 inside of molded plastics unit It closes, which disconnects the neutral side of power supply.The neutral side of power supply can be carried by the ring 18 of wireless electric connector 8 For.Second bimetallic actuator 15b is typically provided as the switch that operation disconnects the hot side of power supply, can be by wireless The pin 20 of electric connector 8 provides.These visible features in Fig. 2.

From Fig. 1 it can be seen that the first bimetallic actuator 15a has substantial circular shape, and the second bimetallic actuator 15b has rectangular shape.Both first bimetallic actuator 15a and the second bimetallic actuator 15b is the fast of concave surface Dynamic actuator.The substantial circular shape of first bimetallic actuator 15a provides the pedestal heated with heating vessel The circular edge of contact, it means that bimetallic actuator 15a can quickly respond overheating conditions.On the other hand, second pair The rectangular shape of metal actuator 15b means that bimetallic actuator 15b has four with the base into contact heated Difference, therefore the possible less efficient of heat transfer is a little.However, when bimetallic actuator 15b executes secondary overheating protection, provide Quickly response is not crucial.First bimetallic actuator 15a operations are that the neutral side of power supply is disconnected before hot side Advantage be, avoid electric arc make switch contact to ground connection metal parts (such as metal mounting plate) risk.In neutral side Switch on the side opposite with voltage source of electrical load, therefore herein switch ground wire between be not present potential difference.This The possibility of electric short circuit over the ground is eliminated when disconnecting the contact of zero curve switch.If power supply circuit is alternatively by disconnection Switch in hot side and cut off, then can have the trend of shorted to earth, lead to the rapid electric discharge of electric energy, i.e., it is so-called " launch aing surprise attack over the ground (flash to earth) ".Interruption pole 12 is also configured as Operation switch, which preferentially disconnects power supply Neutral side so that power supply circuit always first neutral side cut off.

A kind of novel means will now be described, wherein metal mounting plate 6 is with firmer than the controller of the prior art Mode is attached to molded plastics unit 4.

From fig. 2 it can be seen that metal mounting plate 6 includes a pair of of metal lug 22, the plane of mounting plate 6 is bent to Except, so that the upper surface of carrying bimetallic actuator 15a, 15b relative to mounting plate 6 extend downwardly.In Fig. 3 a and Fig. 3 b In be seen in detail in metal mounting plate 6.Particularly, it can be clearly seen from Fig. 3 b, each of metal lug 22 includes Right cylinder 23 and a pair of of arm 24a, 24b, the right cylinder 23 are bent at its pedestal except the plane of mounting plate 6, a pair Arm 24a, 24b are basically parallel to mounting plate 6 but extend in plane identical with column 23.Therefore, metal lug 22 has The T shapes formed in generallyperpendicular plane with the plane of mounting plate 6.

With reference to Fig. 2, it can be seen that each of metal lug 22, which is engaged against, to be formed in molded plastics unit 4 A pair of of support sector 26a, 26b.Metal lug 22 mounting plate 6 is fixedly attached to molded plastics unit 4, which is because, Mounting plate 6 is plastically deformed at each metal lug 22 in assembling process, is reinforced with being formed at the pedestal of column 23 Shape so that arm 24a, 24b are drawn down on corresponding support sector 26a, 26b, therefore along the column of each metal lug 22 23 generate tension.

Fig. 4 a show the controller 2 under packaging technology process two-shot.In order to tense in mounting plate 6 and molded plastics list Attachment structure between member 4, in further assembling steps, mounting plate 6 is close to the modeling of each of metal lug 22 place Property deform, to apply the tension that is acted on along column 23.Fig. 4 b show that mounting plate 6 is attached to mould after group cartridge controller 2 Plastic unit 4 processed.It can be seen that being acted on close to one or more of each metal lug 22 bending section 29 in mounting plate 6 Reinforce shape to be formed at the pedestal of column 23, generates the tension acted on along column 23 so that arm 24a, 24b are drawn down to phase It is downwardly against on support sector 26a, 26b in the groove (such as groove 28b) answered and in the plane of column 23.As a result, due to The tension and reinforcement shape, metal mounting plate 6 and molded plastics unit 4 acted in the plane of each upright metal lug 22 Between tensioning locking attachment structure it is very secured.

Fig. 5 provides the close-up view of the same section of prior art controller for comparison purposes.It can be seen that existing Have in technology, metal mounting plate 106 is attached to molded plastics unit 104 by a pair of of lug 122, a pair of lug 122 bending It bends except to the plane of mounting plate 106 and then again, to be clamped on molded plastics unit 104.However it will be appreciated that There are inherent shortcomings in the attachment structure of this form, because each of lug 122 is only capable of applying weak tension, which exists It may be overcome in different planes and easily by acting on external force on the controller during such as drop test.Lug 122 can be bent opening easily so that they are no longer clamped on molded plastics unit 104.

With reference to Fig. 3 a and Fig. 3 b, it can be seen that opening 30 bends to the plane of mounting plate 6 in the column 23 of metal lug 22 Except be formed in metal mounting plate 6.These openings 30 have corresponding T shapes.Referring specifically to Fig. 1 and Fig. 3 a, it can be seen that In controller 2 after assembling, the positioning convex platform 32 provided by molded plastics unit 4 extends through each of opening 30.This A little positioning convex platforms 32 make metal mounting plate 6 be positioned accurately in its plane relative to molded plastics unit 4.Positioning convex platform 32 is also Provide the plane strength of enhancing structure.

Two metal hooks 22 described above provide two mainly between metal mounting plate 6 and molded plastics unit 4 Attachment point.In addition, molded plastics hook 34 provides further attachment point, as seen in Figure 1.Molded hooks 34 include base part With hook portion 34a, which is projected into except the plane of molded plastics unit 4, and hook portion 34a bendings in metal to pacify The extension of molded plastics unit 4 is basically parallel on the top of loading board 6.It is appreciated that metal mounting plate 6 wraps with reference to Fig. 3 a and Fig. 3 b Include aperture 36, make the aperture 36 be dimensioned to this molded hooks 34 is received in the assembling process of controller 2.Aperture 36 is formed in Mounting plate 6 with the plane of mounting plate 6 at for example about in the part of 45° angle.In an assembling process, metal mounting plate 6 is in mould It is slided in its plane on the top of plastic unit 4 processed so that molded hooks 34 are bonded in aperture 36.Molded hooks 34 and metal peace Engagement between loading board 6 can contribute to accelerate assembling.Once molded hooks 34 are engaged with the aperture 36 in mounting plate 6, can Attachment structure is locked to use metal lug 22 to form tensioning as already described above.As seen in Fig. 3 a and Fig. 3 b, aperture 36 include the edge 38 of setting shape, and the purpose is to the corresponding protrusions and/or recess phase with molded hooks 34 on surface Match.Since this faces surface on the downside of molded hooks 34, it cannot see that in Fig. 1.Edge 38 shape shape be with Two curve sections, in order to provide the geometric figure of reinforcement.

Referring to Fig.1, it can be seen that molded hooks 34 provide three between metal mounting plate 6 and molded plastics unit 4 One in attachment point.Corresponding metal lug of other two attachment points by positioning convex platform 32 and setting for being tensioned locking 22 provide.It can be seen that these three attachment points are separated from each other, to form the triangle of the mid portion of overlay controller 2 Angle.Particularly, this triangle of attachment point be located in the first bimetallic actuator 15a and the second bimetallic actuator 15b it Between.This set-up mode can help ensure that molded plastics unit 4 will not be fastened to liquid in controller 2 in use and add It is loosened from metal mounting plate 6 in the region of the pedestal of heat container.

As mentioned above, metal mounting plate 6 includes three holes 16a, 16b, 16c, can be received from heating vessel Pedestal fastening stud outstanding so that controller can fasten in place.In stud height and installation plate hole Intrinsic manufacturing tolerance on 16a, 16b, 16c can cause the compression on mounting plate 6 near hole 16a, 16b, 16c.This is compressed Cause mounting plate 6 to be pulled against the pedestal of heating vessel, bimetallic actuator 15a, 15b can be caused to be placed in office Under portion compresses, and this may negatively affect their operation temperature.In order to make pedestal of the mounting plate 6 away from heating vessel It is fastened with the distance of setting, it is known that mounting plate 6 is made to include the benchmark gasket on the surface of supporting base and prevent to double gold Belong to the undesirable compression of actuator 15a, 15b.These benchmark gaskets are the projection portion on the upper surface of mounting plate 6.

As seen in Figure 5, in existing controller, benchmark gasket 140 is located at the periphery of metal mounting plate 106, Close to bimetallic actuator (invisible in this view).However, it has been found that the contact liq of these benchmark gaskets 140 adds The surface for the pedestal of heat container heated may be too close to heating element and position and be provided to bimetallic actuator additional Heat is transmitted, which transmits and actuator may be caused mistakenly to operate, and is potentially resulted in and may be made molded plastics list The superfluous heat of 104 fusing of member is transmitted.In controller 2 according to an embodiment of the invention, on the other hand, metal mounting plate 6 Including benchmark gasket 40, it is located within bimetallic actuator 15a, 15b towards the middle part of mounting plate 6, in Fig. 1 and Fig. 3 Finding.Four benchmark gaskets 40 are the convex surfaces of the dispersion above the general surface of mounting plate 6, so as in controller 2 When fastening in place and the base into contact of heating vessel, so that it is guaranteed that bimetallic actuator 15a, 15b be not interposing at compression it Under.Still close enough fastener hole 16a, 16b, 16c positioning of benchmark gasket 40, to offset the compression of mounting plate 6, but is no longer on double In heat conduction path between metal actuator 15a, 15b and heating element, the heating element is external when it is fastened to pedestal Mounting plate 6.This may be better understood with reference to Fig. 6 a, more fully hereinafter describe.

In addition, the benchmark gasket 40 in controller 2 according to an embodiment of the invention is less than the existing controller in Fig. 5 The benchmark gasket 140 seen in 102, so that the undesirable heat being reduced in metal mounting plate 6 is transmitted.Benchmark gasket 40 is also right Metal mounting plate 6 generates stiffening effect, helpful to the rigidity of metal mounting plate 6.Metal mounting plate 6 may further include One or more cut out portion and/or the part except the plane of mounting plate 6 is bent to, to help to absorb mounting plate 6 Any distortion, for example, as caused by the pressing force from stud fastener or have thermally expand introduce any distortion.

Fig. 6 a and Fig. 6 b show that the metal mounting plate 6 of controller 2 is fastened to the pedestal 50 of heating vessel.Molding modeling Material unit is omitted from view, individually to see mounting plate 6 from downside.With the heating element for thermally contacting installation with pedestal 50 52, heating element 52 is, for example, the electrical heating elements with sheath of horseshoe shape.It can see from Fig. 6 b, heat-radiator plate 54 is attached Pedestal 50 is connected in the following, and assisting the heat diffusion of self-heating element in future 52 on the region of pedestal 50.The metal of controller 2 Mounting plate 6 is fastened to pedestal 50 in by the external region of heating element 52 by heat-radiator plate 54 placed in the middle.It can be with from Fig. 6 b See, pedestal 50 is substantially flat in the region of attachment heating element 52 and metal mounting plate 6.

It is an advantage of the present invention that metal mounting plate 6 can be made to than small in standard controller.Metal mounting plate 6 Compact dimensioning improvement that is as described above, being provided by metal lug and molded hooks can be provided at least partly Attachment structure so that do not need the molding that metal mounting plate 6 is attached to controller by additional attached device (such as screw) Plastic unit.In addition, benchmark gasket, which is repositioned onto, makes it possible to reduce the maximum straight of mounting plate 6 on the inside of bimetallic actuator Diameter.In these embodiments, metal mounting plate 6 has the maximum gauge no more than 75mm, is, for example, less than 70mm, in particular example In be about 67mm.Then, it can be reduced to the maximum gauge no more than 75mm, example by the external region of heating element 52 Such as less than 70mm is about 67mm in particular example.The region smaller strip external by heating element 52 of pedestal 50 Lai knot Fruit is, to the more efficient of the heat transfer in pedestal 50.It means that heat-radiator plate 54 can be made to than it is previously known more It is thin.Advantageously, heat-radiator plate 54 has the thickness less than 2mm, such as about 1.5mm.

Claims (27)

1. a kind of controller for heating vessel, including molded plastics unit and it is attached to the molded plastics unit Substantially flat metal mounting plate, the molded plastics unit are accommodated for controlling to the power supply of the heating vessel At least one switch, wherein the metal mounting plate includes the pedestal for allowing the metal mounting plate to be fastened to heating vessel One or more holes, wherein the metal mounting plate further comprises being set as that the mounting plate is attached to the molding modeling The metal lug of material unit, the metal lug, which is included at its pedestal, to be bent to except the plane of the mounting plate Column, and the column includes the arm for being basically parallel to the mounting plate in plane identical with the column and extending, wherein the mould Plastic unit processed includes positioning the support sector of the arm to receive the metal lug, and the wherein described mounting plate is close It is plastically deformed at the metal lug, reinforces shape to be formed at the pedestal of the column, the reinforcement shape generates edge The tension of the column effect so that the arm is drawn down in the plane of the column in the support sector, therefore the gold Belonging to protruding portion keeps tensioning the mounting plate is attached to the molded plastics unit.

2. controller according to claim 1, wherein the column includes substantially parallel in plane identical with the column It is T-shaped with shape in two arms that the mounting plate extends.

3. controller according to claim 2, wherein the molded plastics unit includes the every side for being located in the column A pair of corresponding support sector, to receive the arm of the T shapes.

4. controller according to any one of the preceding claims, wherein the metal mounting plate includes multiple gold Belong to protruding portion, multiple metal lugs are set as the mounting plate being attached to the molded plastics unit.

5. controller according to any one of the preceding claims, wherein the support sector includes groove, makes the groove Be dimensioned to receive the arm of the metal lug.

6. controller according to any one of the preceding claims, wherein in the metal in the metal mounting plate The column of protruding portion, which is bent to except the plane of the mounting plate, is formed with opening, and the molded plastics unit includes setting It is set to the positioning convex platform of positioning in said opening.

7. controller according to any one of the preceding claims, wherein the molded plastics unit includes molded hooks, institute Molded hooks are stated to include the base part being projected into except the plane of the molded plastics unit and bend described to be basically parallel to The hook portion that molded plastics unit extends.

8. controller according to claim 7, wherein the metal mounting plate includes aperture, makes the size in the aperture It is set to and receives the molded hooks.

9. controller according to claim 8, wherein the aperture be formed in the mounting plate with the mounting plate In the angled part of plane.

10. controller according to claim 8 or claim 9, wherein the aperture includes the edge of setting shape, the setting shape Edge be set as matching with corresponding protrusion of the molded hooks on surface or recess.

11. controller according to claim 10, wherein the hook portion is included in the described of the molded hooks and faces table Curve protrusion on face or recess.

12. the controller according to any one of claim 7 to 11, wherein the molded hooks are in the metal mounting plate Attachment point is provided between the molded plastics unit.

13. controller according to claim 12, wherein the controller includes the attachment point and each includes institute State other two attachment point of metal lug.

14. controller according to claim 13, wherein three attachment points are separated from each other, to be formed described in covering The angle of the triangle of the mid portion of controller.

15. controller according to any one of the preceding claims, wherein the metal mounting plate includes being not more than 75mm Maximum gauge.

16. controller according to any one of the preceding claims, wherein the metal mounting plate includes being less than 70mm Maximum gauge.

17. controller according to any one of the preceding claims, wherein the metal mounting plate include about 67mm most Major diameter.

18. controller according to any one of the preceding claims, wherein the first bimetallic actuator and the second bimetallic Actuator is mounted on the surface of the metal mounting plate, and is set as operating at least one switch, wherein described first Bimetallic actuator and second bimetallic actuator have different shapes.

19. controller according to claim 18, wherein first bimetallic actuator has circular shape.

20. the controller according to claim 18 or 19, wherein second bimetallic actuator has rectangular shape.

21. controller according to any one of the preceding claims, wherein the molded plastics unit includes accommodating 360 ° The cylindrical wall of wireless electric connector.

22. controller according to claim 21, wherein 360 ° of wireless electric connectors include same around middle part pin At least one becket of heart setting.

23. the controller according to claim 21 or 22, wherein 360 ° of wireless electric connectors are electrically connected to the use In at least one switch of the power supply of control to the heating vessel.

24. a kind of heating vessel, including the pedestal that is contacted when in use with liquid and installed with thermally contacting with the pedestal Heating element and controller as described in any one of the preceding claims, wherein the metal peace of the controller Loading board is fastened to the pedestal in by the external region of the heating element.

25. heating vessel according to claim 24, wherein by the external region of the heating element including being less than The maximum gauge of 70mm.

26. the heating vessel according to claim 24 or 25, wherein the pedestal packet of the heating vessel Heat-radiator plate is included, the heating element is installed to the heat-radiator plate, and the heat-radiator plate has the thickness less than 2mm.

27. according to the heating vessel described in claim 24,25 or 26, wherein the pedestal base of the heating vessel It is flat on this.