CN1135091C - Improvements relating to electrically powered liquid heating appliance and controls therefor - Google Patents
Improvements relating to electrically powered liquid heating appliance and controls therefor Download PDFInfo
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- CN1135091C CN1135091C CNB961996579A CN96199657A CN1135091C CN 1135091 C CN1135091 C CN 1135091C CN B961996579 A CNB961996579 A CN B961996579A CN 96199657 A CN96199657 A CN 96199657A CN 1135091 C CN1135091 C CN 1135091C
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- connector
- equipment
- combination
- controller
- protection controller
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
- A47J27/00—Cooking-vessels
- A47J27/21—Water-boiling vessels, e.g. kettles
- A47J27/21008—Water-boiling vessels, e.g. kettles electrically heated
- A47J27/2105—Water-boiling vessels, e.g. kettles electrically heated of the cordless type, i.e. whereby the water vessel can be plugged into an electrically-powered base element
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
- A47J27/00—Cooking-vessels
- A47J27/21—Water-boiling vessels, e.g. kettles
- A47J27/21008—Water-boiling vessels, e.g. kettles electrically heated
- A47J27/21058—Control devices to avoid overheating, i.e. "dry" boiling, or to detect boiling of the water
- A47J27/21066—Details concerning the mounting thereof in or on the water boiling vessel
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- Food Science & Technology (AREA)
- Cookers (AREA)
Abstract
A cordless electrical appliance (10) such as an electrical kettle has an element protection control (1) and an appliance power connector (4), the element protection control (1) and the appliance connector (4) being separate items which are coupled to respective ends of an elongate mounting bracket (18). The mounting bracket is affixed to the underside (16) of a planar heating element (12) by stud formations (17). By virtue of this arrangement the number of formations (17) provided on the planar heating element (12) can be minimized.
Description
Technical field
The present invention relates to about electrically powered liquid heating appliance and control combination thereof.The present invention is applicable to liquid heating apparatus, and insulating pot and hot-water bottle are for example arranged, teapot, and pot, laboratory equipment or the like will specifically be described the present invention with reference to insulating pot and hot-water bottle hereinafter, although the present invention obviously is not limited only to these purposes.
Background technology
In the design field of insulating pot, adopt the plane heating element in recent years from using common metal-back heating element to turn to.Can pack into the in advance easily equipment of metallic object of plane heating element for example constitutes the diapire of metal liquid heating container with this element.Along with the extensive use of lighter and more cheap plastic material, popularized gradually with the liquid heating apparatus of plastic moulding.Yet this equipment of the plane heating element will being packed into remains the work of more complicated.
In No. 0285839, European patent EP, proposed a kind of kettle, and a plane heating element that serves as the heating vessel diapire has been housed with molded plastic body.The plane heating element is supported on the outstanding flange of plastic body, and at the center of its bottom surface a very big outstanding pillar is arranged downwards.Element be clipped in one seal by fixing a molded bottom, have clamping flange with outstanding flange engagement round the periphery of bottom, with a nut clip on the pillar of giving prominence to downwards.An element protection controller is housed in the bottom side of plane heating element, and is connected on the power connector of equipment side, this element is used for the power supply of the equipment that cuts off when superheat state appears in heating element.This structure is not suitable for cordless apparatus, and centre strut has hindered the location of power connector necessity at center at the bottom of kettle.
A kind of element protection controller of the integral body in the opening that is contained in the equipment diapire and a kind of plane heating element on the power connector of being installed to also disclosed in No. 94/18807, International Patent Application WO.With the securing member that passes whole protection controller and the hole in the power connector and be fixed in the heating element element is clamped in the fixed position.Between plane component that raises and diapire, be provided with a sealing ring, be used for waterproof sealing.The subject matter of this structure is the inconvenient cleaning of the element of giving prominence to, and has further reduced the heating volume of water.In addition, this structure lacks flexibility, and whole element protection controller and power connector have limited the degree of freedom of designer in design work, and can cause strict tolerance limits when making this equipment.
A kind of wireless insulating pot that the plane heating element is housed has appearred in recent years.Cordless apparatus is powered to equipment itself by base device, equipment itself and base device have complementary electric connector part, when equipment itself is placed on the base, can connect together by the suitable electrical connection of the heating element of from the base to equipment itself.The element protection controller can be directly installed on the bottom side of element by the fixed component on the element.In addition, the power connector of equipment is installed on the element indirectly by a metal installation bracket.With some screws the molded plastics bottom of kettle is fixed, these screws pass the installing hole of connector and the through hole in the carriage, and are screwed in the plastic mold that is located at a special use between connector and the element.The structure needs two of this kettle go on foot independently, and fitting operation could be fixed on controller and connector on the heating element.Also need two flexible cables to finish electrical connection in addition.The insulation of this cable need be adopted resistant to elevated temperatures insulator, and price is very expensive.
Summary of the invention
The objective of the invention is to solve or reduce the problems referred to above at least significantly.
The present invention proposes to be used for the combination of a kind of element protection controller of electronic firing equipment, a device power supply (DPS) connector and an installation bracket; said elements protection controller and the said equipment power connector are connected on the above-mentioned installation bracket, and this installation bracket is used for installing the heating element of the said equipment.
One aspect of the present invention provides a kind of element protection controller and device power supply (DPS) connector of combination, and they are connected to an installation bracket on the heating element that is used to the equipment that is installed in respectively.
Compare with known structure, adopt the advantage of installation bracket to be that element protection controller and device power supply (DPS) connector can be contained on the heating element in same position.Therefore, on heating element, be the parts of each controller and independent construction bolt one class of connector not needing to resemble in the prior art.In addition, adopt installation bracket can simplify the assembly working of kettle, and just can finish the installation of controller and connector by once-through operation.
Installation bracket preferably comprises can adapt to the device of device power supply (DPS) connector with respect to the minute differences of the installation site existence of heating element.Specifically, this adaptive device can comprise such as slightness hole in the installation bracket constitutes, and is used for cooperating with the securing member of screw thread in certain skew range.This feature is used for fixing the installation component of installation bracket on heating element, and can be fixed on the bottom of equipment between the installation component on the connector, and bigger alignment tolerance is provided.
According to technology of the present invention, the present invention can also expand to constitute by heating vessel and bottom and comprise element protection controller, the electronic firing equipment of device power supply (DPS) connector and installation bracket.Although be not unique selection, the present invention is suitable for the sort of liquid heating apparatus described in GB-A-2283155 most, and the electrical heating elements of this equipment is the plane formula element.
Specifically enumerated above-mentioned and other features and advantage thereof of the present invention, from below in conjunction with accompanying drawing to recognizing these features the detailed description of specific embodiment.
Description of drawings
Fig. 1 is the perspective view according to a kind of element protection controller of GB-A-2194099 and GB-A-2248724, especially UK Patent Application GB9522594.2 number specification copy is attached to and does as a wholely herein, be used for explaining specific embodiments of the invention hereinafter;
Fig. 2 proposes according to WO94/06185, and particularly according to the perspective view of above-mentioned additional a kind of device power supply (DPS) connector of UK Patent Application GB9522594.2 number, this British patent is used for explaining specific embodiments of the invention hereinafter; And
Fig. 3 is the sectional side view of a partial cut, and the element protection controller of presentation graphs 1 and the device power supply (DPS) connector of Fig. 2 connect together, and are connected to an installation bracket, and this carriage is used at liquid heating apparatus heating element being installed.
Embodiment
Below at first element protection controller 1 is described with reference to the Fig. 1 in the accompanying drawing; it is with reference to its Fig. 3 A in GB-A-2194099; the change form of the sort of controller that 3B and 3C describe; or the change form of the sort of controller of describing among the GB-A-2248724, or the change form of the sort of controller of GB-A-2283155 and GB-A-2283156 description.Specifically, element protection controller 1 can be referring to constituting annex UK Patent Application GB9522594.2 number of an integral body with this paper.Below only be briefly described element protection controller 1,, also need to read above-mentioned specification and annex UK Patent Application GB9522594.2 number for various aspects and the advantage thereof that fully understands element protection controller 1.GB-A-2194099, GB-A-2248724, the specification of GB-A-2283155 and GB-A-2283156 can supply this paper reference, and UK Patent Application GB9522594.2 number specification has been added into specification of the present invention as annex.
According to the state of the bimetal blade 2 of controller, element protection controller 1 can be by controller to the electronic water heating vessels that sort controller is housed or the heating element of other equipment provides electric current.Bimetal blade 2 keeps thermo-contact closely with heating element, and the superheat state of response element and open one group of switch contact of controller inside, thereby the electric current that provides by controller is provided.Bimetal blade 2 is QA in operation, and acts on the catch bar, thereby opens switch contact.The protection of compole realizes by bimetal blade 2 is installed on the support 3; support is to make with the plastic material with predetermined fusion temperature; when using controller; support is subjected to the pressure of spring; and can under the cas fortuit that the temperature that makes heating element owing to bimetal blade 1 akinesia continues to rise, take place softening; and under the effect of spring pressure, deform, thereby open one group of spring contact of controller inside.Can further understand the structure of controller 1 and the details of operation principle with reference to above-mentioned specification.
The device power supply (DPS) connector that Fig. 2 represents is with reference to the equipment connector intake section of the wireless connected system of the described a kind of plug and socket formula of its Fig. 7 to 11 in WO94/06185.Specifically, the part 130 shown in Fig. 8 B is identical among the structure of equipment connector intake section 4 and the WO94/06185, and be fit to match with the plug or the equipment connector part 23 (referring to accompanying drawing 3) of a complementation shown in Figure 9 among the WO94/06185, the structure of equipment connector and equipment connector intake section can relatively rotate between two parts on whole 360 ° of rotation directions.Equipment connector intake section 4 comprises a cup part 5 with the roughly tubular of molded of plastic material shaping, and has a centre strut (not shown) that is made of central opening.Ground wire or earth terminal are installed in the center of opening, and neutral terminal is installed in the sidewall of opening, and fire line terminal is installed on the outer wall of pillar.As shown in Figure 2, cup-shaped equipment connector intake section 4 wherein is in the position of putting upside down, and ground wire, center line and fire line terminal are connected to blade or tab terminal 6,7 and 8 separately.
The element protection controller 1 of Fig. 1 and the equipment connector intake section 4 of Fig. 2 are fit to constitute direct electrical connection each other according to the mode described in above-mentioned UK Patent Application GB9522594.2 number.Element protection controller 1 and equipment connector intake section 4 can be finished cooperation mutually, in certain relative position and the relative arrangement scope latter's terminal 7 and 8 are engaged in the former groove between two parts.The advantage of doing like this is to allow to strengthen manufacturing tolerance.From UK Patent Application GB9522594.2 number, can also see; element protection controller 1 can be connected on the top of equipment connector intake section 4; so just might design heating vessel than minor diameter; otherwise be impossible; or two parts can be interconnective in side-by-side relation; compare with the structure of " going up following formula ", do like this and can reduce whole height.
Having represented to be used for embodying a kind of wireless liquid heating apparatus 10 of the present invention in Fig. 3, for example is a wireless kettle.Equipment 10 has the container 11 of a plastic wall and constitutes the plane electrical heating elements 12 of the diapire of container 11.Heating element 12 is supported on the flange or bearing 13 inwardly outstanding on the container 11, and constitutes waterproof sealing with a sealing ring 14.
Mounting lug 19 (referring to Fig. 2) is equipped with in relative both sides on the connector intake section 4.Comprise through hole 20 in the end of elongated installation bracket 18, when the mounting lug 19 of intake section 4 was positioned in the base of equipment 10, through hole 20 can be aimed at mounting lug 19.Screw 21 passes hole 20 and enters mounting lug 19, and intake section 4 is fixed on the installation bracket 18.
The bottom 22 of equipment 10 also is to be fixed on the installation bracket 18 by screw 21, and screw 21 passes and covers the opening of aiming at mounting lug 19 in 22.Flange 13 inwardly outstanding on bottom 22 and the container 11 meshes, and the effect that bottom 22 is fixed on the installation bracket 18 is that heating element 12 is moved to downwards on the sealing ring 14.Therefore, when equipment 10 is finished assembling, can make heating element 12 form effective seal with respect to the inside of container 11.
Mounting lug 19 on the intake section 4 has special advantage, because it requires special-purpose mould of plastics not needing to resemble in the past the wireless insulating pot.In addition, number of components required during assembly equipment has reduced, and so just can reduce equipment manufacturing cost effectively.
Through hole 20 in the installation bracket 18 is amplified (prolongation), allows connector intake section 4 and bottom 22 with respect to heating element 12 relative motion to take place.Bottom 22 is alignment connector intake section 4 accurately always, and still, in assembling process, in order to adapt to the manufacturing tolerance of heating element, its position can be regulated within the space of through hole 20.
Fig. 3 represents that cordless apparatus 10 is placed on the situation on the base 24, with the base plate connector part 23 and 4 engagements of equipment connector intake section of the complementation of wireless connected system.Base plate connector part 23 is basically described in WO94/06185.
Although the present invention illustrates with reference to specific embodiment, under the condition that does not break away from the additional spirit and scope of the invention that claims limited, obviously can also realize various modifications and changes.For example, the present invention is not limited only to the element protection controller of described type, and also is not limited only to the wireless connected system of described type.In fact, the present invention is easy to be used for wired rather than wireless equipment, just by flexible power line that kind equipment to the power supply of equipment connector inlet.In addition, although used two installation brackets in the above embodiments, can certainly replace with an installation bracket carrying out said function.Moreover, the present invention also is not limited only to use the situation of the plane electrical heating elements of described type, also can use the plane electrical heating elements of other type, is provided with the element that the refractory plate or the substrate of layer constitute above for example the sort of.A kind of this class component that suggestion is adopted comprises a stainless substrate, and an on-chip side is provided with electric insulation layer, is provided with refractory plate or layer on electric insulation layer, is provided with another electric insulation layer at refractory plate or above the layer.For example described in the GB-A-2283156; in electric insulation layer afterwards, opening can be set; so that for heating element provides power supply terminal, if controller is arranged side by side with heating element, the element protection controller can constitute with the spring terminal that directly contacts above-mentioned power supply terminal.
Below be UK Patent Application GB9522594.2 number copy, its a conduct basis and part in full above.
Invention field
The present invention relates to about the improvement of electrically powered water heating appliances etc. and to its control.The example of the water heating apparatus that the present invention is suitable for has insulating pot and hot-water bottle, teapot, and pot, laboratory equipment or the like will specifically be described the present invention with reference to insulating pot and hot-water bottle hereinafter, although the present invention obviously is not limited only to these purposes.
Background of invention
Control such as the electrically powered water heating appliances of kettle and hot-water bottle one class is the operating technology of well-known, can occur cut-out equipment under the condition of temperature overheating at the heating element of equipment, for example since the equipment of connecting be empty or dryouied; Sort controller is commonly called the element protection controller.Other controllers also are known, cut off the equipment power of equipment heating element (or can reduce significantly at least) when they can the water in equipment be heated to boiling point; These controllers are normally operated by the steam that produces in the checkout equipment, and are collectively referred to as the steam sensing controler.Element protection controller and steam sensing controler generally include the heat sensor of himself; bimetallic element normally; and known elements protection controller also comprises the auxiliary or backup protection of certain form, is used for losing efficacy at master controller, although this carries out action when unlikely.
Reference Fig. 3 A wherein in GB-A-2 194 099,3B and 3C have described a kind of element protection controller, and have described a kind of improved form of sort controller in GB-A-2 248 724.Concrete reference Fig. 3 A has wherein described a kind of steam sensing controler to 3M in GB-A-2 212 664.
A kind of single-sensor that element protection and steam sensing controler are combined has been described in GB-A-2 283 155; it is made up the shell original shape that proposes among a kind of improved form of the element protection controller of GB-A-2 194 099 (referring to Fig. 2 of GB-A-2 283 155) and the GB-A-1 143 834 constitutes; this element protection controller is installed in a side dry on the plane heating element that is positioned at the water heating vessels bottom, and its shell is in a side moist on the element relative with the element protection location of controls.Have opening on the shell, can when container needs water-filling, be used for pouring water, and the boiling of the water in container the time discharges the steam that produces in the water from shell, thereby cause the element protection controller can detected a kind of local element temperature overheating state.By means of this structure, just can utilize single controller to finish two kinds of functions such as element over-temperature protection and steam detection.
Although insulating pot and other water heating apparatus all are wired usually, that is to say can be by terminating at the outlet that electric wire (or cable) on the suitable plug and socket formula terminal is connected to electrical outlets, but there is a kind of so-called cordless apparatus to be popularized in recent years, electric power wherein offers power consumption equipment itself by the base device that is connected with power supply, equipment itself and base device have the electric connector part of cooperation, when equipment itself is placed on the base, can provide suitable electrical connection for the inner heating element of equipment itself by base device.The concrete connected system of wireless electric equipment has been described in GB-A-2 241 390 and GB-A-2 236 220, described a kind of especially effectively cordless apparatus connected system in WO94/06185, it can not need to resemble must be with equipment aligning base itself before coupling part separately is meshing with each other the system of GB-A-2 241390 and GB-A-2 236 220.The connected system of WO94/06185 two coupling parts whole in relative rotation 360 ° or near 360 ° scope in, be connected for providing between equipment itself and its base.
Described a kind of connected system of wireless electric equipment in WO94/06185 with reference to Fig. 7 to 11, shown in Fig. 8 B wherein, the plug portion of connected system is to form an integral body according to the method for GB-A-2 194 099 and element protection controller.Yet the problem of this structure is to lack flexibility, and the overall structure of element protection controller and connector plug part has limited designer's flexibility, and has increased some tolerance limits when making this kind equipment.
Goal of the invention and general introduction
The objective of the invention is to solve or reduce the problems referred to above that exist in whole element protection controller and the wireless connected system at least significantly.
According to one aspect of the present invention; a kind of element protection controller and wireless connected system of combination are provided for water heating apparatus; the element protection controller wherein and the equipment coupling part of wireless connected system are parts independently; partly be connected to together by electric connector, the electric connector part should be able to connect two parts effectively in its certain relative position scope.
In the one embodiment of the present of invention that so limit; be provided with the electric connecting member that can be plugged together according to the socket part of the sort of wireless connected system of the method for WO94/06185 with according to the element protection controller of the method for GB-A-2 194 099; the two one of on be provided with a pair of blade terminal (plug), and be provided with supporting jack (socket) the opposing party.Jack (socket) preferably comprises spring terminal; even when the tolerance that occurs in the manufacture process of auxiliary device caused connector body part and element protection controller not to have complete mutual alignment or its relative position of each other not accurate enough to a certain extent, this structure still can realize being electrically connected fully.
Describe the various distortion of the foregoing description hereinafter in detail; the element protection controller can be installed in the socket part top of wireless connected system or arranged side by side with socket part; this type of distortion can adapt to different device structures, and provides more flexibility for the product design personnel.Be contained in the socket part of wireless connected system and/or the electric connector part on the element protection controller, allow each parts to use one of them selectively at top and distortion centre arranged side by side.
To specifications, the present invention can also expand to the electrically powered water heating appliances that comprises wireless connected system and element protection controller.Although be not unique selection, the present invention is suitable for the sort of water heating apparatus described in GB-A-2 283 155 most, and the electrical heating elements of this equipment is the plane formula element.
In additional claims, enumerated above-mentioned and other features of the present invention, from below in conjunction with accompanying drawing to recognizing these features the detailed description of specific embodiment.
Fig. 1 is the perspective view of a kind of element protection controller of designing for the present invention specially according to the method for GB-A-2 194 099 and GB-A-2 248 724;
Fig. 2 is the perspective view of a kind of wireless connected system of designing for the present invention specially according to the method for WO94/06185;
Fig. 3 is a perspective view, and the element protection controller of presentation graphs 1 is connected to the situation at the connected system part top of Fig. 2;
Fig. 4 is an element protection controller and a connected system plane graph partly that makes up among Fig. 3;
Fig. 5 is the bottom plan view of compound mode shown in Figure 3;
Fig. 6 is a partial longitudinal section, and how the element protection controller of presentation graphs 1 and the connected system of Fig. 2 partly are connected;
Fig. 7 is the partial enlarged drawing of Fig. 6;
Fig. 8 is a kind of perspective view that changes form of the element protection controller of Fig. 1;
Fig. 9 is a kind of perspective view that changes form of the connected system part of Fig. 2;
Figure 10 is a perspective view, and the element protection controller of presentation graphs 8 is connected to the connected system part of Fig. 9 according to structure arranged side by side;
Figure 11 is an element protection controller and a connected system plane graph partly that makes up among Figure 10;
Figure 12 is the bottom plan view of compound mode shown in Figure 10;
Figure 13 is a partial longitudinal section, and how the element protection controller of presentation graphs 8 and the connected system of Fig. 9 partly are connected;
Figure 14 is the partial enlarged drawing of Figure 13;
Figure 15 and 16 and Fig. 2 and 6 similar, a kind of change form of the embodiment of presentation graphs 1 to 7;
Figure 17 and 18 and Fig. 9 and 13 similar, a kind of change form of the embodiment of presentation graphs 8 to 14.
Embodiment describes in detail
Below at first the first embodiment of the present invention is described with reference to the Fig. 1 to 7 in the accompanying drawing.Element protection controller 1 (Fig. 1) is with reference to its Fig. 3 A in GB-A-2 194 099; the change form of the sort of controller that 3B and 3C describe; or the change form of the sort of controller of describing among the GB-A-2 248 724, or the change form of the sort of controller of GB-A-2 283 155 and GB-A-2 283 156 descriptions.Below only sort controller is given briefly brightly,, also need to consult relevant specification if fully understand the various aspects and the advantage thereof of sort controller.
According to the state of the bimetal blade 2 of controller, element protection controller 1 can be by controller to electronic water heating vessels or the heating element that other equipment of sort controller are housed provides electric current.Bimetal blade 2 keeps thermo-contact closely with heating element, and the superheat state of response element and open one group of switch contact of controller inside, thereby the electric current that provides by controller is provided.Bimetal blade 2 is QA in operation, and acts on the push rod, thereby opens switch contact.The protection of compole realizes by bimetal blade 2 is installed on the support 3; support is to make with the plastic material with predetermined fusion temperature; when using controller; support is subjected to the pressure of spring; and can under the cas fortuit that the temperature that makes heating element owing to bimetal blade 1 akinesia continues to rise, take place softening; and under the effect of spring pressure, deform, thereby open one group of spring contact of controller inside.Can further understand the structure of controller 1 and the details of operation principle with reference to above-mentioned specification.
Fig. 2 is illustrated among the WO94/06185 socket or the equipment connector intake section 4 with reference to the wireless connected system of the described a kind of plug and socket formula of its Fig. 7 to 11.Specifically, the part 130 shown in Fig. 8 B is identical among the structure of equipment connector intake section 4 and the WO94/06185, and be fit to partly match with the plug or the equipment connector of a complementation shown in Fig. 9, the structure of equipment connector and equipment connector intake section can relatively rotate between two parts on whole 360 ° of rotation directions.Equipment connector intake section 4 comprises a cup part 5 with the roughly tubular of molded of plastic material shaping, and has a centre strut 6 that is made of central opening 7 (referring to Fig. 5).Ground wire terminal 8 is installed in the center of opening 7, and neutral terminal 9 is installed in the sidewall of opening 7, and fire line terminal 10 is installed on the outer wall of pillar 6.As shown in Figure 2, cup-shaped equipment connector intake section 4 wherein is in the position of putting upside down, ground wire, center line and fire line terminal 8,9 and 10 are connected to blade or tab terminal 11,12 and 13 separately, and center line and live wire tab terminal 12 and 13 extend upward from this part 4.
The structure of the element protection controller 1 of Fig. 1 is fit to insert according to mode shown in Figure 3 the equipment connector intake section 4 of Fig. 2, can see clearlyer in Fig. 6 and 7.As shown in Fig. 6 and 7, element protection controller 1 is made of a pair of groove 15, is provided with ring spring metal parts 16 in each groove.Be provided with an opening 17 in the bottom of each groove 15, be used for being in and during column position according to shown in Figure 3 at controller 1 and equipment connector intake section 4, insert the center line and the fire line terminal 12 of equipment connector intake section 4 respectively therein, 13, the feasible terminal 12 that is received in the groove, 13 at terminal 12,13 with withstand with solid power to form between the ring spring metal parts 16 of terminal and be electrically connected.By means of this connection, electric current just can flow into controller from connector part 4 by tab terminal 12,13 and spring metal parts 16.
The form of spring metal parts 16; the size of groove 15 and opening 17; and the relative size of terminal part 12,13, can make element protection controller 1 and equipment connector intake section 4 in the whole relative position of two parts and relative arrangement scope, realize cooperating each other.As mentioned above, the advantage that is produced thus is to satisfy the existing inevitable manufacturing tolerance of water heating vessels easily.For example, adopt the equipment connector intake section 4 of this cooperation and be attached to element protection controller 1 on the heating element of water heating vessels, can partly match with the sort of equipment connector shown in Fig. 8 A of WO94/06185.
In accompanying drawing 8 to 14, represented an alternative embodiment of the invention; unique difference of this embodiment and the foregoing description be equipment connector intake section and element protection controller be interconnective according to relation arranged side by side; compare with first embodiment of " going up following formula ", do like this and can reduce whole height.In Fig. 8 to 14; adopted identical label with structural similarity among first embodiment and intimate parts; as can be seen from Fig. 9; center line and fire line terminal 12 and 13 flatly extend; rather than vertically extend resembling among Fig. 2, in addition, in Figure 13 and 14; the terminal 12 of equipment connector intake section 4 and 13 openings 17 by the controller side touch the spring 16 of element protection controller 1, rather than be in resembling in Fig. 6 and 7 controller below.All the embodiment with Fig. 1 to 7 is identical in other various aspects for the embodiment of Fig. 8 to 14.
Figure 15 and 16 and Figure 17 and 18 represent the distortion of above-mentioned first and second embodiment respectively, same, the label parts employed label identical with structure among Fig. 1 to 14 that uses among Figure 15 to 18 is identical.Figure 15 and 16 is just compared with Fig. 2 and 6 as can be seen; comprise in this distortion and used the sucking fit terminal component that is used for limiting center line and fire line terminal 12 and 13; the sucking fit terminal component is parts independently; it can push and be fixed on center line and live wire blade or tab terminal parts and the ground wire terminal 11; these terminals are installed in the intake section 4 of equipment connector, and have adopted difform spring 16 in element protection controller 1.In the change embodiment of Figure 17 and 18, difform sucking fit terminal component is housed on center line and live wire tab terminal.Figure 15 is identical with equipment connector intake section 4 among Figure 17 basically, uses difform sucking fit terminal component to protect controller 1 and substantially the same equipment connector intake section 4 to adapt to the structure of " going up following formula " and " installation side by side " with components identical.
From above-mentioned explanation as can be seen; described structure can adapt to the relative motion between equipment connector intake section and the element protection controller, and this motion is that the bending by the sliding contact between the spring of the tab terminal of equipment connector intake section and element protection controller and/or one or two joint and spring realizes.Required two kinds of center line and live wire are connected and can move independently, can realize any motion that must angle.The ground wire terminal joint of equipment connector intake section can be connected to by the lead-in wire of softness on the equipment; or can directly be connected on the equipment by rivet; electrical connection between element protection controller and the heating element can go between with the softness on the tab terminal 20 that is connected to controller 1 and finish; this connection can be adopted quick connect receptacle, or adopts the another kind of controller that utilizes spring to connect described in GB-A-2 285 156.The connection of steam controller also is similar.
Abovely the present invention has been described with reference to specific embodiment, apparent, under the condition that does not break away from the additional the spirit and scope of the present invention that claims limited, can also make amendment and change.For example, the present invention is not limited only to the element protection controller of described type, and is not limited only to the wireless connected system of described type.
Claims
1. be used for the combination of the equipment connector intake section of a kind of element protection controller electronic firing equipment or wherein and wireless connected system; said elements protection controller and equipment connector intake section are made of parts independently, have the electric connector part that is fit to connect together on each parts.
2. according to the combination of claim 1, it is characterized in that above-mentioned electric connector partly comprise be contained in one on the above-mentioned parts the plug terminal part and be contained in female terminal part on another parts.
3. according to the combination of claim 2, it is characterized in that the tab terminal on the above-mentioned parts is adapted to be received in the terminal groove of another parts.
4. according to the combination of claim 3, it is characterized in that in above-mentioned groove, being provided with terminal springs.
5. according to the combination of arbitrary aforementioned claim, it is characterized in that above-mentioned electric connector part can connect two parts effectively in certain relative position scope.
6. according to the combination of arbitrary aforementioned claim; it is characterized in that said elements protection controller comprise be installed in the support that is subjected to thermal contraction or on bimetal piece; the action of bimetal piece can be finished its major control function, and is subjected to the support of thermal contraction can realize auxiliary or the controlled function of reserve.
7. according to the combination of arbitrary aforementioned claim, it is characterized in that the said equipment connector intake section can partly mesh with a supporting equipment connector, thereby realize the engagement of two connector parts, basically with the transverse plane of parts engagements direction in relative rotation position irrelevant.
8. according to the combination of right 7, it is characterized in that the said equipment connector intake section and the said equipment connector part are coaxial arrangement basically.
9. according to the combination of arbitrary aforementioned claim, it is characterized in that said elements protection controller is with reference to the Fig. 1 in the accompanying drawing, 8 or 16 described controllers.
10. according to the combination of arbitrary aforementioned claim, it is characterized in that the said equipment connector intake section basically as the Fig. 2 in the accompanying drawing, 9,15 or 17 is described.
11. according to the combination of arbitrary aforementioned claim, it is attached on the electrical heating elements.
12. according to the combination of claim 11, it is characterized in that above-mentioned electrical heating elements comprises the heating element on a plane, it has the element protection controller and the equipment connector intake section of the combination that is attached to the one side.
13. according to the combination of arbitrary aforementioned claim, it further comprises a supporting equipment connector part of above-mentioned wireless connected system.
14. an electric equipment, it comprises the described combination of claim 13.
Summary
A kind of wireless electric equipment such as insulating pot; has an element protection controller of combining with the equipment connector intake section of the wireless connected system of equipment; element protection controller and equipment connector intake section are parts independently; can be by connecting and peg graft mutually, when pegging graft mutually, form to a certain degree flexibility with respect to the relative position of each parts.By means of this structure, just can meet the needs of the fixedly manufacturing tolerance of the electric equipment of subordinate composition easilier.
Claims (13)
1. be used for the combination of a kind of element protection controller of electronic firing equipment, a device power supply (DPS) connector and an installation bracket; said elements protection controller and the said equipment power connector are connected on the above-mentioned installation bracket, and this installation bracket is used for installing the heating element of the said equipment.
2. according to the combination of claim 1, it is characterized in that above-mentioned installation bracket comprises to be used for the device of the relative installation between conditioning equipment power connector and the heating element.
3. according to the combination of claim 2, it is characterized in that above-mentioned adjusting device comprises the through hole of a prolongation, be used for cooperating with the securing member that extends through above-mentioned hole.
4. according to the combination of one of claim 1-3, it is characterized in that above-mentioned installation bracket comprises an elongated member, the one end is connected to the element protection controller, and the other end is connected to the device power supply (DPS) connector.
5. according to the combination of one of claim 1-3, it is characterized in that above-mentioned installation bracket can protect said elements controller to be installed in the top of the said equipment power connector, or make itself and the said equipment power connector form coordination.
6. according to the combination of one of claim 1-3, it is characterized in that the said equipment power connector comprises that at least one is used to receive the mounting lug of securing member.
7. according to the combination of one of claim 1-3; it is characterized in that said elements protection controller and device power supply (DPS) connector respectively comprise electrical connector; this electrical connector connects together, so that realize interconnecting of the two within a plurality of different relative positions one.
8. according to the combination of one of claim 1-3; it is characterized in that said elements protection controller comprises is installed in a bimetal piece on the support that is subjected to thermal contraction; the effect of bimetal piece provides the main protection function, and is subjected to the support of thermal contraction that auxiliary or the controlled function of reserve can be provided.
9. according to the combination of one of claim 1-3, it is characterized in that the said equipment power connector comprises the intake section of a wireless connected system, be used for and complementary connector part engagement, make the engagement of two connector parts have nothing to do perpendicular to the relative rotation position on the plane of two-part engagement direction with it.
10. according to the combination of one of claim 1-3, it is characterized in that this combination is fixed on the electrical heating elements.
11. the combination according to claim 10 is characterized in that, above-mentioned electrical heating elements comprises a plane heating element, above-mentioned element protection controller, and the device power supply (DPS) connector, and installation bracket is fixed on the one side.
12. an electronic firing equipment comprises a heating vessel and the described combination of claim 11.
13. according to the electronic firing equipment of claim 12, it is characterized in that utilizing a bottom of the said vesse that is fastened on the above-mentioned installation bracket, above-mentioned plane heating element be fixed in the aforesaid liquid heating container hermetically.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB9524176.6 | 1995-11-27 | ||
| GBGB9524176.6A GB9524176D0 (en) | 1995-11-27 | 1995-11-27 | Improvements relating to electrically powered liquid heating appliances and controls therefor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1226142A CN1226142A (en) | 1999-08-18 |
| CN1135091C true CN1135091C (en) | 2004-01-21 |
Family
ID=10784483
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB961996579A Expired - Fee Related CN1135091C (en) | 1995-11-27 | 1996-11-27 | Improvements relating to electrically powered liquid heating appliance and controls therefor |
Country Status (7)
| Country | Link |
|---|---|
| EP (1) | EP0869730A1 (en) |
| CN (1) | CN1135091C (en) |
| AU (1) | AU2011497A (en) |
| CA (1) | CA2238813A1 (en) |
| GB (2) | GB9524176D0 (en) |
| HK (1) | HK1014625A1 (en) |
| WO (1) | WO1997019627A1 (en) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2319154A (en) * | 1996-10-02 | 1998-05-13 | Pifco Ltd | Mounting heating element in liquid heating apparatus |
| GB2322274B (en) * | 1997-02-17 | 1999-01-13 | Strix Ltd | Controls for electric heaters |
| WO1999017645A1 (en) | 1997-10-07 | 1999-04-15 | Otter Controls Limited | Improvements relating to electrically heated vessels |
| GB2346540B (en) * | 1999-02-08 | 2002-10-09 | Otter Controls Ltd | Improvements relating tp electrically heated vessels |
| AU7676400A (en) * | 1999-10-11 | 2001-04-23 | Strix Limited | Cordless electrical appliances |
| DK199901805A (en) * | 1999-12-16 | 2001-06-17 | Pi Design Ag | Couplings for an electric consumer, especially for a coffee maker and means for securing the coupler |
| FR2895222B1 (en) * | 2005-12-22 | 2010-01-01 | Seb Sa | COOKING APPARATUS COMPRISING A SIMPLIFIED POWER SUPPLY AND CONTROL SUBASSEMBLY |
| CN102412489A (en) * | 2011-12-31 | 2012-04-11 | 钻宝电子有限公司 | Lower base of electric kettle socket and electric kettle socket with same |
| US10473242B2 (en) * | 2013-05-23 | 2019-11-12 | Guangdong Xinbao Electrical Appliances Holdings Co., Ltd. | Coupler for use in liquid heater and liquid heater |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3231717A (en) * | 1963-11-15 | 1966-01-25 | Texas Instruments Inc | Electrically heated vessel and detachable temperature-regulating connector therefor |
| GB8618372D0 (en) * | 1986-07-28 | 1986-09-03 | Otter Controls Ltd | Thermal control units |
| DE3711637A1 (en) * | 1987-04-07 | 1988-10-27 | Ego Elektro Blanc & Fischer | ELECTRIC HEATING CASE |
| GB9020032D0 (en) * | 1990-09-13 | 1990-10-24 | Otter Controls Ltd | Improvements relating to thermal control units |
| CA2143338A1 (en) * | 1992-09-02 | 1994-03-17 | Otter Controls Limited | Charging unit for cordless appliances |
| GB9302965D0 (en) * | 1993-02-15 | 1993-03-31 | Strix Ltd | Immersion heaters |
| GB2283155B (en) * | 1993-10-21 | 1997-08-06 | Otter Controls Ltd | Improvements relating to electrically heated water boiling vessels |
| GB2308921B (en) * | 1993-10-21 | 1997-09-17 | Otter Controls Ltd | Improvements relating to controls for electrical heating elements |
| GB9400543D0 (en) * | 1994-01-13 | 1994-03-09 | Strix Ltd | Water heating apparatus |
| US5437003A (en) * | 1994-12-16 | 1995-07-25 | Hot Aqua Industries, Inc. | In line tankless water heater with upper heating compartment, lower wiring compartment, and microswitch compartment disposed therebetween |
-
1995
- 1995-11-27 GB GBGB9524176.6A patent/GB9524176D0/en active Pending
-
1996
- 1996-11-27 CN CNB961996579A patent/CN1135091C/en not_active Expired - Fee Related
- 1996-11-27 GB GB9624664A patent/GB2307602B/en not_active Expired - Fee Related
- 1996-11-27 CA CA 2238813 patent/CA2238813A1/en not_active Abandoned
- 1996-11-27 AU AU20114/97A patent/AU2011497A/en not_active Abandoned
- 1996-11-27 EP EP96942436A patent/EP0869730A1/en not_active Withdrawn
- 1996-11-27 WO PCT/GB1996/002924 patent/WO1997019627A1/en not_active Application Discontinuation
-
1998
- 1998-12-28 HK HK98115777A patent/HK1014625A1/en not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| GB9524176D0 (en) | 1996-01-31 |
| WO1997019627A1 (en) | 1997-06-05 |
| AU2011497A (en) | 1997-06-19 |
| HK1014625A1 (en) | 1999-09-30 |
| GB9624664D0 (en) | 1997-01-15 |
| GB2307602A (en) | 1997-05-28 |
| CA2238813A1 (en) | 1997-06-05 |
| GB2307602B (en) | 2000-07-12 |
| EP0869730A1 (en) | 1998-10-14 |
| CN1226142A (en) | 1999-08-18 |
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