CN106133871A

CN106133871A - Apparatus for heating switch, for manufacturing the method for apparatus for heating switch and for by apparatus for heating switch assembling method on the heating

Info

Publication number: CN106133871A
Application number: CN201580017382.1A
Authority: CN
Inventors: W·哈姆
Original assignee: INTER CONTROL Hermann Koehler Electrik GmbH and Co KG
Current assignee: INTER CONTROL Hermann Koehler Electrik GmbH and Co KG
Priority date: 2014-04-11
Filing date: 2015-04-08
Publication date: 2016-11-16
Also published as: DE112015001772B4; DE202014101728U1; WO2015155246A1; DE112015001772A5

Abstract

The present invention relates to a kind of for forming, with the heater of articles for daily use (14), the apparatus for heating switch that thermo-contact is connected, especially thermoregulator, temperature limiter, temperature monitor or Temperature protection device, described apparatus for heating switch includes heat conduction, preferably plate-shaped carrier (2), described switching device can be placed on by described and thermally contact with heater (14), and including the function element reacted according to temperature, preferably bimetallic element or melting member, in order to guarantee the switching function relevant with temperature of apparatus for heating switch, wherein, described support (2) can be connected with the heater (14) being in thermo-contact by welding, wherein, described apparatus for heating switch has the bolt (6) with tip spark profile, and described apparatus for heating switch and bolt (6) constitute the unit that can co-operate.

Description

Apparatus for heating switch, for manufacturing the method for apparatus for heating switch and for by thermal switch Device assembling method on the heating

Technical field

The present invention relates to a kind of apparatus for heating switch according to claim 1 preamble, one according to before claim 14 Preamble section for manufacture apparatus for heating switch method and a kind of according to right 17 preamble for by apparatus for heating switch Assembling method on the heating.

Background technology

" apparatus for heating switch " of the type paid close attention to above particularly relates to thermoregulator, temperature limiter, temperature monitoring Device or Temperature protection device, they are in the heater of articles for daily use respectively and thermally contact and exceeding previously given temperature Automatically handoff procedure is performed during degree threshold value.This apparatus for heating switch is generally used primarily in articles for daily use, such as water boiling device, straight Formula heater, coffee machine, washing machine, electric iron and analog.

Here, generally in thermoregulator, Bimetallic shrapnel is used as temperature sensing device, this Bimetallic shrapnel and temperature Spend about occupy such as two stable shell fragment positions (flexure) (bistable Bimetallic shrapnel), and corresponding according to it Flexure open or re-close electricity loop.In Temperature protection device, it is provided with melting appartus, example with replacing Bimetallic shrapnel As melted sheet, by this melting appartus can when exceeding uniform temperature turn-off current loop.

Such as corresponding by hot thermoregulator a kind of seen from DE19706316C2 and hot Temperature protection device form Apparatus for heating switch.

This switching device is typically directly fixed on the heater of involved articles for daily use with thermo-contact, such as water Pipe, thermal storage device or the like.To this end, described apparatus for heating switch includes the support (also or referred to as substrate) of tabular heat conduction, preferred, The housing of apparatus for heating switch or pedestal are positioned on this support and this support is simultaneously used for being fixed on apparatus for heating switch adding hot charging On the surface put.There is several known methods, for plate-shaped carrier being fixed on the surface of heater.

Such as, described support in order to fixing and be generally of at least one, preferably two opposite, be respectively provided with one The fixing connection sheet in hole.This supporting plate is such as known by DE202005019880U1.Described apparatus for heating switch is such as by spiral shell Mother is fixed on pre-installation bolt on the heating.This fixed form can only manually be carried out.It is unsuitable for automatization.This Outward, the air gap that frequent appearance does not limits between supporting plate and heater at this, during this air gap may only cause Deng heat transfer and thus cause response time of raising of apparatus for heating switch.Additionally, in order to accommodate the hole for bolt, should The fixed tabs of support must determine size the biglyyest, and this causes again: the space requirement that these fixing means needs improve.

Additionally, apparatus for heating switch also is able to fix on the heating by being welded to connect.To this end, at apparatus for heating switch Molding in support, on the downside of it, such as pouring the tip spark profile rided out downwards, this tip spark profile is for controlled Ground produces electric arc.But, support introduces described tip spark profile and expends very much.Additionally, due to support is rushed Pressing through journey and can inevitably form out-of-flatness, this causes: first type surface (the most not having the region of tip spark profile) may be straight Ground connection, not level land abut on the surface of heater.Additionally, the support being equipped with tip spark profile be only capable of difficulty by It is provided with manufacturing, because such as having the tip spark profile mechanically right and wrong of the representative diameter of 0.6mm and the height of 0.6mm The most fragile.Owing to damage can produce that do not limit and the most defective is welded to connect, this may cause: protects in such as temperature In the device of danger, depart from heater in the case of small heat load and/or mechanical load.Therefore, the behaviour of process Work is impossible.

In addition, due to little weight and good conductivity of heat, for heater and the apparatus for heating switch of articles for daily use Support the most made of aluminum.But, aluminum is difficult to solder to, because the fusion temperature of aluminum (about 666 DEG C) is relatively low.

Summary of the invention

The task of the present invention is, it is provided that a kind of apparatus for heating switch, a kind of method for manufacturing apparatus for heating switch and A kind of for by apparatus for heating switch assembling method on the heating, wherein, probability same of the processing of process Time the high-quality that is able to ensure that between support with heater be connected.

In similar apparatus for heating switch, this task is solved by the feature of claim 1 characteristic.Described heat is opened The suitable design closing device is claimed in each dependent claims.First the present invention makes apparatus for heating switch energy Enough complete in a manufacturing process.Secondly (can be described as in last production stage) just makes the tip with tip spark profile Igniting component (such as bolt) can be fixed on apparatus for heating switch, such as be fixed on its support.In a manufacturing process, the completeest The apparatus for heating switch become the most only must be provided as the unit that can co-operate for being processed further.Thus, described The tip spark profile of component or bolt is not subjected to extra mechanical load.

By by component or bolt so through described support so that tip spark profile in the underside area of support by bolt Extending downwardly from and component or bolt protrude upward in the upside of support, described component or bolt can be by clamping devices or the like The most held, and the operable unit being thus made up of described component or bolt and apparatus for heating switch is with simply Mode operate, such as on desired position location and/or be such as also pressed on heater in welding process.This makes Must be capable of positioning accurately and position adjustment and/or thrust adjust, and it is same to thus ensure that quality aspect is improved Time being welded to connect of automated execution.

Described bolt preferably pours and/or is pressed in support.

Owing to bolt has the flange of preferably cincture, so this bolt can (especially when it pours or is pressed in support) exist Add on its position and be effectively fixed on support.

Tooth-like forming part on the flange of described bolt ensure that support and the mechanical aspects of the bolt pouring and/or being pressed into is improved Combination, specifically ensured that the raising from the moment of torsion being bolted to support.Described tooth-like forming part is at bolt side upper process and along punching Pressure direction is openly constituted.This tooth-like forming part is the most circumferentially arranged.

Desirably, described tooth-like forming part can have multiple in the outer region around the protuberance of the dentation arranged, They are pressed in the material of support and ensure that combination closely during being pressed into or pouring.

The most described bolt include level, at least on subregion, the recess of preferably completely cincture or groove.Described groove is used In the material being extruded due to engagement accommodating support.It is extruded material for making the bolt will not be again by from support in groove Extrude (axially retaining function).

In a kind of preferred design of the present invention desirably, only tip spark profile protrudes from the downside of support Surface.Here, substantially surface with the downside of support, the downside of described bolt flushes.Thus, the surface of heater with The best heat transfer it is capable of between the surface of frame.Meanwhile, support does not have the irregularities on surface on the downside of it, as Its possible unavoidable situation in the case of tip spark profile is directly in support is such.

According to the design of a kind of replacement, between support and the upside of heater, there is the gap of restriction.

Desirably, this realizes the present invention with the form of following arrangement in case of need: in this layout side In formula, a part for described bolt also stretches out in the surface on the downside of the support of tip spark profile.Making every effort to prolonging of apparatus for heating switch Late in the case of reaction, the actuator such as with " slower regulation " is desired.By the present invention, due to gap width The probability of regulation of restriction, it is possible to control characteristic or switching characteristic are played actively impact.Meanwhile, automated production is also Possible.

When in the region that the flange of bolt is on the upside of support, i.e. when bolt is punched into support from top, it is possible to thus Support is avoided to unclamp with bolt.

By making described bolt be in the through hole on support, traditional, to be provided with the through hole for trip bolt thermal switch Device can be provided with bolt in a straightforward manner.Therefore, the production process of apparatus for heating switch only needs a supplementary step.

The most described bolt and/or support are made up of aluminium alloy.

Described tip spark profile is tip spark protruding head aptly.

The most described flange extends with uper side surface or the downside surface of support with at least substantially flushing.

Desirably, tip spark bolt may be provided with leading mark, the groove being preferably equipped with upside or the portion of flattening of side. This leading mark has the advantage that tip spark bolt can position and it is possible to for should in clamping device with limiting Tip spark bolt realizes the anglec of rotation when welding on the heating and positions accurately.

According to the present invention, include following methods step for manufacturing the method for apparatus for heating switch:

Thering is provided the most traditional apparatus for heating switch, wherein, the support of described apparatus for heating switch has through hole；

Thering is provided the bolt with first end and the second end, wherein, the second end of described bolt is provided with tip spark wheel Wide；

Described bolt is so fixed in the bracket so that the tip spark profile of bolt is stretched downwards in the underside area of support Go out, and this bolt protrudes upward in the upside of support.

According to a kind of suitable design, described bolt in the bracket fixing is by compacting and/or punching press, preferably make Carry out in the case of tooth-like forming part.

Desirably, it is bolted to the press-in in support described in or pours from top enforcement.So that described apparatus for heating switch Can not unexpectedly unclamp with bolt.

Furthermore it is required that protect a kind of thermal switch dress that at least one is described in use by claim 1 to 13 In the case of putting, apparatus for heating switch, especially thermoregulator, temperature limiter, temperature monitor or Temperature protection device are filled Join method on the heating.The method is characterized in that, described bolt is not only used as implementing welding process (especially Electric arc welding process or resistance welding procedures) electrode, and also serve as into for clamping and/or the holding projection of positioner Portion, for preferably automatedization apparatus for heating switch is assemblied in heater or the surface of the articles for daily use with heater On.

According to the present invention, by the clamping acted on above support on bolt and/or positioner, described apparatus for heating switch Can the most accurately position at desired welding position or solder joint.

Additionally, by the described clamping acted on above support bolt and/or positioner, described apparatus for heating switch The downside of bolt also is able to would be pressed against on heater, i.e. applies certain thrust during welding process, and apparatus for heating switch Position or place at this, less desirable change will not occur.

Between the surface and the surface of heater of the downside of support, preferably there is the gap of restriction.

As an alternative, the lower end side (in addition to tip spark profile) of bolt at least substantially with the surface of the downside of support Extend with flushing such that it is able to realize the most gapless, mechanical reliably and be that this also can automatization in terms of Technology Connection.

Accompanying drawing explanation

Below, the design that be suitable for of the present invention is explained in more detail by accompanying drawing.Accompanying drawing is as follows:

Fig. 1 illustrates the first design of plate-shaped carrier and bolt and tip spark profile, wherein, bolt with part section It is encased in support from upside；

Fig. 2 illustrates the plate-shaped carrier according to Fig. 1 and bolt and tip spark profile with perspective view；

Fig. 3 is shown in the plate-shaped carrier before gim peg and bolt and tip spark wheel with the perspective view observed from oblique upper Wide；

Fig. 4 illustrates the second design of plate-shaped carrier and bolt and tip spark profile, wherein, bolt with part section It is encased in support from downside；

Fig. 5 illustrates the shape support according to Fig. 4 and bolt and tip spark profile with the perspective view observed from obliquely downward；

Fig. 6 with the perspective view observed from obliquely downward be shown in assembling bolt before the plate-shaped carrier according to Fig. 4 and bolt and Tip spark profile；

Fig. 7 illustrates the 3rd design side of plate-shaped carrier and bolt and tip spark profile with the perspective view observed from oblique upper Case；

Fig. 8 illustrates the plate-shaped carrier according to Fig. 7 and bolt and tip spark wheel with the perspective view observing inclination from obliquely downward Wide；

Fig. 9 illustrates the part sectioned view of the plate-shaped carrier of the design according to Fig. 4, for assembling on the heating Welding process will start before (Fig. 9 A) and after the jut of the downside by bolt assembles (Fig. 9 B)；

Figure 10 has been shown under confined state, has not had the part sectioned view of the plate-shaped carrier of the jut of the downside of bolt；

Figure 11 illustrates the perspective view of another design of the bolt with tip spark profile and leading mark；

Figure 12 has the perspective view of another design of the bolt of tip spark profile and leading mark.

Detailed description of the invention

In FIG, reference 2 illustrates the plate-shaped carrier of apparatus for heating switch, and this apparatus for heating switch not only supports (not shown ) thermoregulator, and support the Temperature protection device of (the most not shown).Relevant thermoregulator or Temperature protection device Basic function and the aspect of component such as drawn by DE19706316C2.The support 2 illustrated in FIG includes multiple The fixed tabs 5 protruded upward, these fixed tabs are for making pottery (unshowned) of thermoregulator or Temperature protection device Porcelain housing is separately fixed in its position.Sheet is melted, in the bracket in order to accommodate (the most unshowned) of Temperature protection device It is provided with corresponding receiving portion 12.Being again provided with the recess 13 of circle, this recess accommodates (unshowned) bimetal leaf, its In, this bimetal leaf is similarly fixed in its position by the holding jut 4 of circumference.Support 2 is preferably made up of aluminium alloy.

Support shown in FIG exemplarily has the fixed tabs 5 of the form of standoff projection on side.At this Fixed tabs 5 there are through hole 3.The bolt 6 with the first end of upside and the second end of downside extends through through hole 3.The second end of bolt 6 supports the tip spark profile of the most so-called tip spark protruding head 7 form on its side.According to this Invention, bolt 6 is not only used as the electrode for electric arc welding process, and is used as the welder for preferably automatedization The clamping jut of clamping device.Tip spark protruding head 7 is for importing electric arc with limiting and thus avoiding uncontrolled electric arc Formation.Here, bolt 2 is it is also preferred that be made up of aluminium alloy.

As seen from Figure 1, for this purpose, the significantly longer part of bolt 6 protrudes upward in the upside of support 2.Needing When wanting, only the less section 9 of bolt 6 can protrude from the surface of downside of support 2 together with tip spark protruding head 7.

Desirably, bolt 6 is pressed into or pours in support 2.Open downwards to this end, bolt 6 has The tooth-like forming part 10 opened, this tooth-like forming part has the tooth that multiple circumferentially region is arranged, these teeth specifically referring to Fig. 3 Radially outward gradually form tip, extend in the material of this support and formed tight during being pressed on the upside of support 2 Close engagement.Additionally, be additionally provided with flange 8, it preferably abuts directly against with tooth-like forming part 10.Flange 8 is used as backstop auxiliary Part and be in the design shown in Fig. 1 to Fig. 3 support 2 upside surface region in.

In the design shown in Fig. 1 and Fig. 2, flange 8 substantially upside with support 2 flushes.As shown in FIG. 3 As, pouring of bolt 6 is carried out from top in this design.Having an advantage in that, support is owing to flange is in the layout of upside It is no longer able to unclamp under thermal switching element stationary state on the heating.Additionally, set in the downside of tooth-like forming part 10 It is equipped with groove 11.This groove is for accommodating support 2 produces in compacting and/or punching course, the material of deformation and thus making pressure The foundation of system or stamping connection is the easiest.Thus, improve pullout of strength.

For this design and the other design that hereafter it will be illustrated that, it is appropriate that, generally at support Corresponding apparatus for heating switch be complete in advance in the case of, just carry out fixing on support 2 of bolt 6.The invention enables Production technology aspect can diversely produce thermoregulator, Temperature protection device, temperature limiter and their combination Thing, they just can be fitted together with bolt 6 on more late time point.Thus, new type is the most correspondingly created.

According in the design shown in Fig. 4, in the region on the surface that flange 8 is in the downside of support 2.Here, The downside of support 2 is additionally provided with the overhang section 9 of bolt.As visible by Fig. 4 and Fig. 5, the most same place of flange 8 of bolt 6 In the position substantially flush with the surface of the downside of support 2.The bolt 6 of this design and setting of Fig. 1 to Fig. 3 with reference to Fig. 6 The bolt of meter scheme is corresponding, wherein, is only that the region mirror image arranged for compacting or punching press is oppositely oriented.

By Fig. 7 it can be seen that another design of the present invention.Here, bolt 6 is not positioned in the region of fixed tabs, and It is located in the inside of such as support 2.Support 2 according to Fig. 7 e.g. has the support 2 of total of three recess 13, these Recess is provided for the most functional, such as bimetal leaf, welding sheet or fusing sheet.A recess (example in aforementioned recess Recess as middle) can act as the place for installing bolt 6, thus internal real at support 2 in the exemplary case Existing apparatus for heating switch is welded to connect with heater.As shown in example in fig. 8, may also set up bolt at this The overhang section 9 on the surface on the downside of support, the gap width limited for regulation.In this design, bolt 6 is from top It is pressed into or pours in support 2.This clearly indicates that, press-in in bolt 6 to support 2 or pour and it is not absolutely required to recess 13, such as it As shown in the figure 7.Only have to there is through hole 3.

It is shown under the state that will start welding process with the schematic diagram being greatly simplified according to the diagram of Fig. 9 A , be such as made up of aluminium alloy, the heater 1 of the Straight-through heater of such as coffee machine or the like.As thus seen As arriving, support 2 the whole thermal switching element supported can make on the bolt protruded upward in the upside of support 2 by (not showing Going out) clamping device 15 of automation mechanized operation device clamps and flows to the surface of the upside of heater 1.Here, due to It is applied to the electromotive force that is used as on surface that is on the bolt 6 of welding electrode and that be applied to heater 1 and forms electric arc 16, should Electric arc causes the fusing of material and causes the compact siro spinning technology of thermal switching element (namely its support 2) and heater 1, as As Fig. 9 B schematically shows.Reference 17 identifies the melting range in the surface of heater 1 the most abstractively.

As found out well by Fig. 9 B, the gap 14 of restriction is adjusted by the overhang section 9 in downside of bolt 6. According to desired switching characteristic, by the regulation of the longitudinal extension part of section 9 being changed gap 14 and thus can change The switching characteristic of heating switch element.

If in requisition for very fast switching characteristic, then can also the setting in gap of completely left out restriction.This by High-visible according to the diagram of Figure 10.In this design, welding process do not uses overhang section 9, but only by Tip spark profile at the surface upper process of the downside of support 2 is operated.Therefore, in this design, support 2 times Side abuts on the surface of heater 1 with thermo-contact closely.

In all of design variant scheme, by the bolt 6 stretched out by operation device 15 clamping probability, it is possible to By apparatus for heating switch accurately relative to the surface alignment of heater 1, in case of need, it is also possible to setting the pressure limited Weld in the case of clamp force.Thus, on the one hand produce and be welded to connect self the highest quality, on the other hand also realize this The probability of sample: to carry out apparatus for heating switch on the surface of heater 1 compared to the most much higher automaticity Assembling.

Additionally, the size that the invention allows to the overhang section 9 by suitably selected bolt 6 regulates support 2 and adds Gap 14 between thermal 1 surface, more precisely, according to the desired hot coupling on apparatus for heating switch to heater 1 Incompatible regulation.

Figure 11 illustrates the flexible program of a kind of bolt 6, and this bolt has the leading mark 18 of side pocket form.Setting according to Figure 12 Meter scheme illustrates a kind of bolt 6, and this bolt has the leading mark 18 of the form of the groove of upside.Both embodiments are used for providing fixed To auxiliary, bolt 6 can position by this orientation auxiliary, and thus add hot charging at bolt 6 with limiting in clamping device It is capable of the anglec of rotation during putting welding to position accurately.

Reference numerals list

1 heater

2 plate-shaped carrier

3 through holes

4 keep jut

5 fixed tabs

6 tip spark bolts

7 tip spark protruding heads

8 flanges

9 overhang section

10 tooth-like forming parts

11 grooves

12 for melting the receiving portion of sheet

13 receiving portions being used for bimetal leaf

14 gaps

15 clamping devices

16 electric arcs

17 melting ranges

18 leading marks

Claims

1. for thermally contacting the apparatus for heating switch being connected, especially thermoregulator, temperature with the heater (14) of articles for daily use Degree limiter, temperature monitor or Temperature protection device, described apparatus for heating switch has:

The support (2) of tabular heat conduction, preferred, described switching device can be placed on and heater (14) heat by described Contact；And

The function element reacted according to temperature, preferably bimetallic element or melting member, for guaranteeing apparatus for heating switch The switching function relevant with temperature,

Wherein, described support (2) can be connected with the heater (14) being in thermo-contact by welding,

It is characterized in that, described apparatus for heating switch has a bolt (6) with tip spark profile, and described apparatus for heating switch with And described bolt (6) constitutes the unit that can co-operate.

Apparatus for heating switch the most according to claim 1, it is characterised in that described bolt (6) is so through support (2) so that Described tip spark profile is extended downwardly from by bolt (6) in the region of the downside of support (2), and upper at support (2) of bolt (6) Stretch out on the side.

Apparatus for heating switch the most according to claim 1 and 2, it is characterised in that described bolt (6) has flange (8).

4. according to the apparatus for heating switch that in the claims, at least one is described, it is characterised in that described bolt (6) has tooth-like Forming part (10).

Apparatus for heating switch the most according to claim 4, it is characterised in that described tooth-like forming part (10) is connected to flange (8) on.

6. according to the apparatus for heating switch that in the claims, at least one is described, it is characterised in that the most described tip spark is taken turns Exterior feature protrudes from the surface of the downside of support (2).

7. according to the apparatus for heating switch that in claim 1 to 5, at least one is described, it is characterised in that a part for described bolt (6) Also protrude from the surface of the downside of support (2).

8. according to the apparatus for heating switch that in claim 3 to 7, at least one is described, it is characterised in that described flange (8) is in and props up In the region of frame (2) upside.

9. according to the apparatus for heating switch that in claim 3 to 7, at least one is described, it is characterised in that described flange (8) is in and props up In the region of frame (2) downside.

10. according to the apparatus for heating switch that in the claims, at least one is described, it is characterised in that described bolt (6) is in and props up In through hole (3) on frame (2).

11. according to the apparatus for heating switch that in the claims, at least one is described, it is characterised in that described bolt (6) has water Flat ring around recess or groove (11).

12. according to the apparatus for heating switch that in the claims, at least one is described, it is characterised in that described bolt (6) and/or Frame (2) is made up of aluminium alloy.

13. according to the apparatus for heating switch that in the claims, at least one is described, it is characterised in that is provided with tip spark and dashes forward Head (7) is as tip spark profile.

14. according to the apparatus for heating switch that in the claims, at least one is described, it is characterised in that described bolt (6) has fixed To labelling (18).

15. for manufacturing according to the apparatus for heating switch that in the claims, at least one is described, the especially regulation of manufacture temperature Device, temperature limiter, temperature monitor or the method for Temperature protection device, described method is characterised by following steps:

Thering is provided described apparatus for heating switch, wherein, the support (2) of described apparatus for heating switch has through hole (3)；

Thering is provided the bolt (6) with first end and the second end, wherein, the second end of described bolt is provided with tip spark profile；

Bolt (6) is so fixed in support (2) so that the tip spark profile of bolt (6) is stretched downwards in the downside of support (2) Go out, and bolt (6) protrudes upward in the upside of support (2).

16. methods according to claim 15, it is characterised in that described bolt (6) fixing by compacting in support (2) And/or punching press, preferably carry out in the case of using tooth-like forming part (10) and/or groove (11) and/or flange (8).

17. according to the method described in claim 15 or 16, it is characterised in that described bolt (6) fixing from upper in support (2) Just or carry out from below.

18. in using according to claim 1 to 14 in the case of at least one described apparatus for heating switch by thermal switch Device, especially thermoregulator, temperature limiter, temperature monitor or Temperature protection device are assemblied on heater (14) Method, described method is characterised by, makes described bolt (6) be not only used as the electrode for implementing welding process, Er Qieyong As for clamping and/or the holding jut of positioner (15), described holding jut is for the assembling of preferably automatedization.

19. methods according to claim 18, it is characterised in that act on described bolt (6) by support (2) top Clamping and/or positioner (15), by described apparatus for heating switch position on the heating.

20. according to the method described in claim 18 or 19, it is characterised in that act on bolt (6) by support (2) top Clamping and/or positioner (15), the downside of the bolt (6) of described apparatus for heating switch is pressed onto on heater (14).