CN205481823U - Controller - Google Patents
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- Publication number
- CN205481823U CN205481823U CN201620213369.5U CN201620213369U CN205481823U CN 205481823 U CN205481823 U CN 205481823U CN 201620213369 U CN201620213369 U CN 201620213369U CN 205481823 U CN205481823 U CN 205481823U
- Authority
- CN
- China
- Prior art keywords
- bimetallic
- controller
- mounting plate
- metal mounting
- actuator
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 239000002184 metal Substances 0.000 claims abstract description 99
- 229910052751 metal Inorganic materials 0.000 claims abstract description 99
- 238000010438 heat treatment Methods 0.000 claims abstract description 47
- 238000000465 moulding Methods 0.000 claims abstract description 9
- 239000002991 molded plastic Substances 0.000 claims description 48
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 42
- 230000007935 neutral effect Effects 0.000 claims description 12
- 230000000694 effects Effects 0.000 claims description 9
- 230000005611 electricity Effects 0.000 claims description 5
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims description 5
- 239000010931 gold Substances 0.000 claims description 5
- 229910052737 gold Inorganic materials 0.000 claims description 5
- 230000002787 reinforcement Effects 0.000 claims description 4
- 238000009434 installation Methods 0.000 claims description 2
- 239000007788 liquid Substances 0.000 abstract description 8
- 239000004033 plastic Substances 0.000 abstract description 6
- 229920003023 plastic Polymers 0.000 abstract description 6
- 230000008901 benefit Effects 0.000 description 6
- 238000000034 method Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 230000006835 compression Effects 0.000 description 3
- 238000007906 compression Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 230000004044 response Effects 0.000 description 3
- 238000005452 bending Methods 0.000 description 2
- 238000009835 boiling Methods 0.000 description 2
- 238000010891 electric arc Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 238000013021 overheating Methods 0.000 description 2
- 238000005728 strengthening Methods 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000005056 compaction Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012536 packaging technology Methods 0.000 description 1
- 230000009993 protective function Effects 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
Abstract
The utility model relates to a liquid heating vessel's controller. Specifically, controller (2) are including molding plastics unit (4) and attach metal mounting panel (6) of receiving molding plastics unit (4), molding plastics unit (4) holds at least one switch that is used for controlling liquid heating vessel's power supply, wherein first bimetal actuator (15a) and second bimetal actuator (15b) are installed at metal mounting panel (6) on the surface, and set up to at least one switch of operation, and wherein first bimetal actuator (15a) and second bimetal actuator (15b) have different shapes.
Description
Technical field
This utility model relates to the controller of heating vessel.
Background technology
Typically, the controller of heating vessel for such as kettle include molded plastics unit and
Being attached to the metal mounting plate of this molded plastics unit, molded plastics unit accommodates for controlling to liquid
Add at least one switch of the power supply of heat container.A pair bimetallic actuator is arranged on metal and installs
The upper surface of plate, and be set to operate at least one switch.Metal mounting plate can be fastened to liquid and add
The pedestal of heat container, to install bimetallic actuator with thermally contacting with pedestal.Therefore, bimetallic activates
Device is sensitive to the temperature of pedestal, and can operate at least one switch under overheating conditions, if such as
Pedestal does not has during any liquid to be heated in a reservoir.It can be seen that this control in WO 95/34187
The example of device, and the U18 Series Controller sold by Stericks Co., Ltd implemented.
Utility model content
This utility model aims to provide a kind of improvement controller for heating vessel.
According to this utility model, it is provided that a kind of controller for heating vessel, its feature exists
In, this controller includes molded plastics unit and is attached to the most flat metal peace of molded plastics unit
Dress plate, molded plastics unit accommodates to be left at least one of power supply controlling heating vessel
Closing, wherein the first bimetallic actuator and the second bimetallic actuator are arranged on the surface of metal mounting plate
On, and it is set to operate at least one switch, and wherein the first bimetallic actuator and the second bimetallic
Actuator has different shapes.
This controller is with the difference of existing controller, the first bimetallic actuator and second pair of gold
It is not identical for belonging to actuator.First bimetallic actuator and the second bimetallic actuator have different
Physical form.It means that the first bimetallic actuator and the second bimetallic actuator can be in responses
One or more aspects in time, cost, easily fabricated, life-span or reliability are different.Due to
One bimetallic actuator and the second bimetallic actuator provide the overtemperature protection of two grades, it practice,
Seldom need the protection of the second grade, it means that the most durable actuator can be selected for a pair
In actuator one.It is appreciated that the first bimetallic actuator and the second bimetallic actuator are arranged
For operating at least one switch it is meant that each actuator can or act on directly or indirectly
On corresponding switch.Such as, what the movement of bimetallic actuator can be transmitted directly to contact centering can
Current collector, to operate switch.Or such as, the movement of bimetallic actuator can cause one or
Multiple intermediate members (such as pin, leaf spring etc.) move in the way of indirectly acting as operation switch.
This setup is known.
First bimetallic actuator and the second bimetallic actuator is each can be provided with any suitable shape
Shape, such as circle, ellipse, rectangle, triangle, polygon etc..According to of the present utility model excellent
Selecting feature, the first bimetallic actuator has substantial circular shape.Another is excellent according to of the present utility model
Selecting feature, the second bimetallic actuator has rectangular shape.It will be seen that, rectangular shape includes
There is the shape of the side of four different lengths and there is the side of four substantially the same length just
Square configuration.
First bimetallic actuator and the second bimetallic actuator are typically snap-action actuator.This meaning
, actuator has concave surface in their plane.First bimetallic actuator has substantial circular shape
The advantage of shape is, it provides the annular contact edge around concave surface actuator.Rectangular shape
The second bimetallic actuator can around concave surface actuator provide four different contact points.Then,
First bimetallic actuator can provide the pedestal with heating vessel relatively than the second bimetallic actuator
Big contact area.Activate it means that the first bimetallic actuator can have than the second bimetallic
Device thermal response faster.Such as, the first bimetallic actuator can reach its operation temperature at pedestal
15 seconds in operate.Therefore, for the first bimetallic actuator, it is preferably set to second
Before bimetallic actuator, operation is the device of first very hot protection.
According to preferred feature of the present utility model, the first bimetallic actuator is set to reaching the first temperature
Operate when spending, and the second bimetallic actuator is set to when reaching the second temperature higher than the first temperature
Operation.Such as, the first bimetallic actuator could be arranged to reaching in the range of 115-130 DEG C
Operate during one temperature.Such as, the second bimetallic actuator could be arranged to reaching 125-140 DEG C of model
Operation when enclosing the second interior temperature.
According to preferred feature of the present utility model, the first bimetallic actuator is set to operation and disconnects power supply
The switch of the neutral side of power supply.First first bimetallic actuator disconnects (i.e. when lower temperature)
The advantage of the upper operation of switch of the neutral side of power supply is, power supply interrupts in neutral side,
Neutral side have be over the ground zero electric potential difference, thus there is not electric arc and cause the risk of electrical short over the ground.
In the case of the first bimetallic actuator has substantial circular shape, as preferably, it provides circle
The benefit of shape engagement edge.
According to preferred feature of the present utility model, the second bimetallic actuator is set to operation and disconnects power supply
The switch of the hot side of power supply.Then, the first bimetallic actuator and the second bimetallic actuator are permissible
It is operating independently on two the different switches being set in power supply.
First bimetallic actuator can provide the overtemperature protection of primary grade, and the second bimetallic activates
Device can provide the overtemperature protection of secondary grades.Therefore, according to preferred feature of the present utility model, the
One bimetallic actuator is set to be set to operation at the second bimetallic actuator and disconnects the fire of power supply
Before the switch of line side, operation disconnects the switch of the neutral side of power supply.
In addition to overtemperature protection, same controller can optionally provide for detecting liquid heating
Boiling in container.This is typically provided by another steam sensitivity bimetallic actuator.According to this reality
With novel preferred feature, the 3rd bimetallic actuator is arranged on molded plastics unit (and first pair
Metal actuator and the second bimetallic actuator are arranged on the surface of metal mounting plate).First bimetallic
Actuator and the second bimetallic actuator are typically mounted on the upper surface of metal mounting plate, in order to
Keep when controller fastening is in place thermally contacting with the pedestal of heating vessel, but preferably, the 3rd pair
Metal actuator is arranged on molded plastics unit so that it can be spaced apart with pedestal and the most sudden and the most violent
Dew is to the steam from heating vessel transmission.
It has been observed that the 3rd bimetallic actuator can have any suitable shape.New according to this practicality
The preferred feature of type, the 3rd bimetallic actuator has the shape identical with the first bimetallic actuator.
Preferably, the 3rd bimetallic actuator has substantial circular shape.
According to preferred feature of the present utility model, the 3rd bimetallic actuator is set to reaching the 3rd temperature
Operating when spending, the 3rd temperature operates temperature less than the first of the first bimetallic actuator temperature and is less than
Second operation temperature of the second bimetallic actuator temperature.Such as, the 3rd bimetallic actuator can set
It is set to when reaching three temperature in the range of 80-100 DEG C operate.Preferably, the 3rd bimetallic causes
Dynamic device is set to when coming into contact with steam operate.
Will now be described controller can the most singly or in combination with those described above
Feature combines, to provide some features of more firm and durable controller.
According to preferred feature of the present utility model, metal mounting plate includes allowing metal mounting plate to be fastened to
One or more holes of the pedestal of heating vessel, wherein metal mounting plate farther includes to be set to
Installing plate is attached to the metal lug (tab) of molded plastics unit, and this metal lug is included in it
Bend to the post outside the plane of installing plate at pedestal, and this post is included in base in the plane identical with post
Originally being parallel to the arm that installing plate extends, wherein molded plastics unit includes being positioned to receive metal lug
The support sector of arm, and wherein installing plate is plastically deforming, with at post at metal lug
Being formed at pedestal and strengthen shape, this reinforcement shape produces the tension force along post effect so that arm is at post
Being drawn down in plane in support sector, therefore metal lug keeps tensioning so that installing plate is attached to mould
Plastic unit processed.This controller is by being attached to molded plastics unit by metal lug by installing plate
Strengthening, this metal lug is set to apply along the tension force of post effect and thus in the plane of installing plate
Outside, use the mode similar to applying screw that two parts keep together by tension force, but not
Need any this extra parts.This effect is enhanced by the reinforcement shape producing tension force.This can
To be referred to as " tensioning locking (tension locking) " set-up mode.
According to preferred feature of the present utility model, post is basically parallel in being included in the plane identical with post
Two arms that installing plate extends, to form T-shaped.T-shaped has an advantage that, metal lug includes two
Individual arm, every side of post all arranges an arm, and two of which arm pulls down so that in a balanced fashion by edge
The tension force post generation is applied to molded plastics unit.Molded plastics unit preferably includes and is positioned at post
A pair corresponding support sector of both sides, to receive the arm of T-shaped.Then, each metal lug
Can advantageously keep being in tensioning state, this tensioning state has two differences limited by support sector and connects
Touch region, play the effect that installing plate is attached to molded plastics unit.This tension distribution adds
The intensity of attachment structure.
According to preferred feature of the present utility model, metal mounting plate includes multiple gold as described above
Belong to protuberance, be each set to be attached to installing plate molded plastics unit.Such as, metal is installed
Plate includes at least two metal lug as described above.
Applicants have appreciated that, in being had between metal mounting plate and molded plastics unit by offer
Putting the controller of attachment point, such as, provided by metal lug as described above, installing plate is permissible
There is the region more medium and small than existing controller.Such as, installing plate need not provide for additional bolts hole
Space.Then, controller can be more more compact than in itself previously known.
According to preferred feature of the present utility model, installing plate includes the maximum gauge of no more than 75mm,
Preferably not more than 70mm, still more preferably less than 70mm.Most preferably, installing plate includes greatly
The maximum gauge of about 67mm.This can be with the 76mm's of the U18 Series Controller for applicant
Maximum gauge is compared.As result, reduce receiving installing plate institute on the pedestal of heating vessel
The space needed.It means that heated pedestal own dimensions can reduce.Identical is added
For thermal power, so can manufacture less heating vessel, reduce manufacturing cost, also drop
Low cost of transportation.
Controller according to preferred feature of the present utility model is suitable to including 360 ° of wireless electric connectors
The wireless heating vessel of type provides electric power.This 360 ° of wireless heating vessels can connect
To electric power pedestal, how the relative angle regardless of them is orientated, or substantially regardless of their phase
To angular orientation how.Such as, 360 ° of wireless electric connectors can allow in relative angular range
Being connected to electric power pedestal, this relative angular range is preferably at least 300 °, 320 ° or 340 °, base
Can reach 360 ° on Ben.
Thus, according to preferred feature of the present utility model, the molded plastics unit of controller includes accommodating
The cylindrical wall of 360 ° of wireless electric connectors.Preferably, these 360 ° of wireless electric connectors include around in
At least one becket that portion's pin is concentrically disposed with.Preferably, these 360 ° of wireless electric connectors are electrically connected
Receive at least one switch for controlling the power supply to heating vessel.360 ° wireless is electrically connected
Connect three pole adapters that device can be the such as type disclosed in WO95/08204 or such as
Five pole adapters of the type disclosed in WO01/28294.
Accompanying drawing explanation
More of the present utility model preferred embodiments will be described in reference to the drawings only by example now,
In accompanying drawing:
Fig. 1 provides the top perspective view of the controller of embodiment of the present utility model；
Fig. 2 provides the face upwarding stereogram of the controller of embodiment of the present utility model；
Fig. 3 a shows the upside of the metal mounting plate being installed to Fig. 1 and controller seen in fig. 2；
Fig. 3 b shows the downside of the metal mounting plate 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 assemble after
Close shot figure；
Fig. 5 provides the close shot figure of the controller of prior art, for compared with Fig. 4 b；
Fig. 6 a shows the plane graph of the metal mounting plate of the pedestal being fastened to heating vessel；And
Fig. 6 b shows the side cross-sectional view of the metal mounting plate of the pedestal being fastened to heating vessel.
Detailed description of the invention
It will be understood by those skilled in the art that " putting down " described in the utility model, " smooth ", " parallel "
Etc. should be interpreted respectively as " the most flat ", " substantially planar ", " substantially parallel " etc. and should mistake
In definitely, in like manner, numerical value described in the utility model is interpreted as approximate number, and this utility model is carried
And shape be interpreted as shape substantially.
The heating vessel of the visible type for including molded plastics unit 4 in Fig. 1 and Fig. 2
Controller 2, the most flat metal mounting plate 6 is attached to this molded plastics unit 4.Molded plastics unit
4 include 360 ° of wireless electric connectors 8 (visible in Fig. 2), and these 360 ° of wireless electric connectors 8 make confession
Electricity power supply is connectable to controller 2.Although the most invisible, but molded plastics unit 4 accommodates
At least one switch, this at least one switch can be disconnected to cut off power supply.Including at least one
The power supply circuit of individual switch is terminated by a pair electric terminal 10a, 10b, this pair electric terminal 10a,
10b makes other electricity parts that power supply is connectable in heating element heater or heating vessel.
In Fig. 1 with Fig. 2, visible controller is in the way of similar with the U18 Series Controller of applicant
Work, is referred to the operating principle disclosed in WO 95/34187.Although herein will not the most in detail
The feature of the controller 2 the most substantially learnt from prior art carefully is described, but it will be seen that control
Device 2 includes the interruption pole (trip lever) 12 that spring is installed, and this interruption pole 12 provides for power supply
The manual operation of at least one switch in circuit.And it can be observed from fig. 2 that sensitive double of steam
Metal actuator 14 is arranged on an end of molded plastics unit 4, and is set to liquid detected
Operation interruption pole 12 when body adds the boiling in heat container.
As seen in Figure 1, on the upper surface of metal mounting plate 6, there is the first bimetallic actuator location
15a and the second bimetallic actuator 15b.Two bimetallic actuators 15a, 15b carry to controller 2
Supply overheat protective function.It will be seen that metal mounting plate 6 includes three holes 16a, 16b, 16c,
Its such as use from the downside of pedestal prominent installation studs or post bolt allow installing plate 6 and then
It it is controller 2 pedestal that is fastened to heating vessel.When controller 2 is against heating vessel
During pedestal fastening, the first bimetallic actuator 15a and the second bimetallic actuator 15b keeps and heating
Pedestal thermo-contact, in order to sensitive to its temperature.First bimetallic actuator 15a is set to reaching
Operation during the first, relatively low temperature, therefore provides primary overtemperature protection.Second bimetallic actuator 15b
Be set to reaching second, higher temperature time operation, therefore secondary overtemperature protection is provided.This mistake
Thermal protection is necessary in the case of also supplying electric power to it when the most even heating vessel is empty
's.In this controller, the first bimetallic actuator 15a is typically provided as operation and is contained in mould
Switch inside plastic unit 4 processed, this switches off the neutral side of power supply.The zero of power supply
Line side can be provided by the ring 18 of wireless electric connector 8.Second bimetallic actuator 15b is typically
Being set to the switch that operation disconnects the hot side of power supply, it can be by the pipe of wireless electric connector 8
Foot 20 provides.These features visible in Fig. 2.
From Fig. 1 it can be seen that the first bimetallic actuator 15a has a substantial circular shape, and second
Bimetallic actuator 15b has rectangular shape.First bimetallic actuator 15a and second pair of gold
Belong to the snap-action actuator that actuator 15b is both concave surface.First bimetallic actuator 15a is substantially
The circular edge of the round-shaped base into contact heated provided with heating vessel, its meaning
Bimetallic actuator 15a and can quickly respond overheating conditions.On the other hand, the second bimetallic causes
The rectangular shape of dynamic device 15b means that bimetallic actuator 15b has and connects with the pedestal heated
Four differences touched, therefore the possible less efficient of conduction of heat is a little.But, when the second bimetallic activates
When device 15b performs secondary overtemperature protection, it is provided that quickly response is not crucial.First bimetallic activates
Device 15a operation is that the advantage of the neutral side disconnecting power supply before hot side is, it is to avoid electric arc
Switch contact is made to arrive the risk of metal parts (such as metal mounting plate) of ground connection.Opening in neutral side
Close on the side relative with voltage source of electrical load, therefore do not exist between switch and ground wire at this
Electric potential difference.This eliminates the probability of electrical short over the ground when disconnecting the contact of zero line switch.If supplied
Electricity power circuit cuts off alternatively by the switch disconnected in hot side, then can there is shorted to earth
Trend, it causes the rapid electric discharge of electric energy, the most so-called " launch aing surprise attack (flash to earth) over the ground ".
Interruption pole 12 is also configured as operation switch, and this switch preferentially disconnects the neutral side of power supply so that
First power supply circuit cuts off in neutral side.
The means of a kind of novelty be will now be described, and wherein metal mounting plate 6 is with the control than prior art
The mode that device is firmer is attached to molded plastics unit 4.
From fig. 2 it can be seen that metal mounting plate 6 includes a pair metal lug 22, it bends to
Outside the plane of installing plate 6, in order to relative to carrying bimetallic actuator 15a, 15b of installing plate 6
Upper surface downwardly extend.It is seen in detail in metal mounting plate 6 in Fig. 3 a and Fig. 3 b.Especially,
It is clear that from Fig. 3 b, metal lug 22 each includes right cylinder 23 and a pair arm
24a, 24b, this right cylinder 23 bends to outside the plane of installing plate 6 at its pedestal, this pair arm
24a, 24b are basically parallel to installing plate 6 but extend in the plane identical with post 23.Therefore, metal
Protuberance 22 has the T-shaped formed in the plane generallyperpendicular with the plane of installing plate 6.
With reference to Fig. 2, it can be seen that each in metal lug 22 is engaged against being formed at molding and moulds
A pair support sector 26a, 26b in material unit 4.Installing plate 6 is attached by metal lug 22 securely
To molded plastics unit 4, its reason is, in assembling process, installing plate 6 is highlighting near each metal
Plastically deform at portion 22, strengthen shape to be formed at the pedestal of post 23 so that arm 24a, 24b
It is drawn down on corresponding support sector 26a, 26b, hence along the post 23 of each metal lug 22
Produce tension force.
Fig. 4 a shows the controller 2 during packaging technology under close shot.In order to strain at installing plate 6
And the attachment structure between molded plastics unit 4, in further number of assembling steps, installing plate 6 exists
Each place in metal lug 22 plastically deforms, to apply the tension force along post 23 effect.
Fig. 4 b shows that installing plate 6 is attached to molded plastics unit 4 after assembling controller 2.Can see
Arriving, in installing plate 6, the one or more bending sections 29 in each metal lug 22 act as
Being formed at the pedestal of post 23 and strengthen shape, it produces the tension force along post 23 effect so that arm 24a,
24b is drawn down in corresponding groove (such as groove 28b) and in the plane of post 23 be downwardly against
On support sector 26a, 26b.Result is, due in the plane of each upright metal lug 22
The tension force of effect and reinforcement shape, the tensioning locking between metal mounting plate 6 and molded plastics unit 4
Attachment structure is the most firm.
Fig. 5 provides the close-up view of the same section of prior art controller for comparison purposes.Can
To see, in the prior art, metal mounting plate 106 is attached to molding by a pair lug 122 and moulds
Material unit 104, outside this pair lug 122 bends to the plane of installing plate 106, bends the most again,
To be clamped on molded plastics unit 104.However it will be appreciated that, at the attachment structure of this form
In there is inherent shortcoming because each being only capable of in lug 122 applies weak tension force, this tension force is not
With plane in and may by the external force acted on the controller easily during such as drop test
Overcome.Lug 122 can bend easily and open so that they are no longer clamped to molded plastics unit
On 104.
With reference to Fig. 3 a and Fig. 3 b, it can be seen that opening 30 bends at the post 23 of metal lug 22
Outside the plane of installing plate 6, place is formed in metal mounting plate 6.These openings 30 have accordingly
T-shaped.Referring specifically to Fig. 1 and Fig. 3 a, it can be seen that in controller 2 after assembling, by moulding
It is each that the positioning boss 32 that plastic unit 4 provides extends through in opening 30.These positioning boss
32 make metal mounting plate 6 be positioned accurately in its plane relative to molded plastics unit 4.Convex
Platform 32 additionally provides the plane strength strengthening structure.
Two metal hooks 22 described above provide between metal mounting plate 6 and molded plastics unit 4
Two primary attachment points.It addition, molded plastics hook 34 provides further attachment point, such as Fig. 1
Seen in.Molded hooks 34 includes base part and hook portion 34a, and this base part is projected into molding and moulds
Outside the plane of material unit 4, this hook portion 34a bending is with basic on the top of metal mounting plate 6
It is parallel to molded plastics unit 4 extend.It is appreciated that metal mounting plate 6 with reference to Fig. 3 a and Fig. 3 b
Including aperture 36, make this aperture 36 be dimensioned in the assembling process of controller 2, receive this molding
Hook 34.Aperture 36 is formed at the plane with installing plate 6 of installing plate 6 and becomes the portion of the most about 45° angle
In Fen.In an assembling process, metal mounting plate 6 on the top of molded plastics unit 4 in its plane
Middle slip so that molded hooks 34 is bonded in aperture 36.Between molded hooks 34 and metal mounting plate 6
Joint can aid in acceleration assemble.Once molded hooks 34 with the aperture 36 in installing plate 6
Engage, it is possible to use metal lug 22 forms tensioning locking attachment structure as already described above.As
Seen in Fig. 3 a and Fig. 3 b, aperture 36 includes the edge 38 of shaped, its objective is and molded hooks
Corresponding projection and/or depression in the opposed face of 34 match.Owing to this opposed face is in molded hooks
On the downside of 34, cannot see that it the most in FIG.Edge 38 shaped is for having Liang Ge curve district
Section, in order to the geometric figure strengthened is provided.
With reference to Fig. 1, it can be seen that molded hooks 34 provides at metal mounting plate 6 and molded plastics list
Between unit 4 one in three attachment point.Other two attachment point are by positioning boss 32 and arrange use
Corresponding metal lug 22 in tensioning locking provides.It will be seen that these three attachment point is each other
Spaced apart, to form the angle of the triangle of the mid portion of overlay controller 2.Especially, attachment point
This triangle be positioned between the first bimetallic actuator 15a and the second bimetallic actuator 15b.
This set-up mode can help ensure that molded plastics unit 4 will not be in use at controller 2
Loosen from metal mounting plate 6 in the region of the pedestal being fastened to heating vessel.
As mentioned above, metal mounting plate 6 includes three holes 16a, 16b, 16c, and it can receive
The draw stud prominent from the pedestal of heating vessel or post bolt so that controller can be tight
Gu it is in place.On studs or post bolt height and install on plate hole 16a, 16b, 16c intrinsic
Manufacturing tolerance can cause the compression on installing plate 6 near hole 16a, 16b, 16c.This compression is led
Causing installing plate 6 and be pulled against the pedestal of heating vessel, it can cause bimetallic actuator
15a, 15b are placed under local compaction, and this may negatively affect their operation temperature.For
The installing plate 6 pedestal away from heating vessel is made to be fastened with the distance set, it is known that to make
Installing plate 6 includes the benchmark pad on the surface of supporting base and prevents bimetallic actuator 15a, 15b
Less desirable compression.These benchmark pads are the bossing on the upper surface of installing plate 6.
As seen in Figure 5, in existing controller, benchmark pad 140 is positioned at metal mounting plate
At the periphery of 106, near bimetallic actuator (invisible in this view).But, it has been found that
The surface of the pedestal heated that the contact liq of these benchmark pads 140 adds heat container may be too close to
Heating element heater location also provides extra heat transfer to bimetallic actuator, and this extra heat transfer can
Actuator can be caused to operate mistakenly, and potentially result in molded plastics unit 104 may be made to melt
Superfluous heat transfer.In the controller 2 according to embodiment of the present utility model, on the other hand,
Metal mounting plate 6 includes benchmark pad 40, and it is positioned at bimetallic actuating towards the middle part of installing plate 6
Within device 15a, 15b, such as Fig. 1 and seen in fig. 3.Four benchmark pads 40 are for being positioned at installing plate 6
General surface above scattered convex surfaces, in order to add with liquid when controller 2 fastens in place
The base into contact of heat container, so that it is guaranteed that bimetallic actuator 15a, 15b are not interposing under compressive stress.
Benchmark pad 40 the most sufficiently close together fastener hole 16a, 16b, 16c position, to offset the pressure of installing plate 6
Tightly, but it is no longer in the heat conduction path between bimetallic actuator 15a, 15b and heating element heater,
This heating element heater is external installing plate 6 when it is fastened to pedestal.This may be better understood with reference to Fig. 6 a,
More fully hereinafter describe.
Additionally, according to the benchmark pad 40 in the controller 2 of embodiment of the present utility model less than at figure
The benchmark pad 140 seen in the existing controller 102 of 5, in order to be reduced in metal mounting plate 6
Less desirable heat transfer.Benchmark pad 40 also produces stiffening effect to metal mounting plate 6, and it is to metal
The rigidity of installing plate 6 is helpful.Metal mounting plate 6 may further include one or more notch
Point and/or bend to the part outside the plane of installing plate 6, in order to contribute to absorbing appointing of installing plate 6
What distortion is that such as caused by the thrust from studs or post bolt fastener or have thermal expansion
Any distortion introduced.
Fig. 6 a and Fig. 6 b shows that the metal mounting plate 6 of controller 2 is fastened to heating vessel
Pedestal 50.Molded plastics unit omits from view, in order to individually see installing plate 6 from downside.Tool
Have and thermally contact the heating element heater 52 installed with pedestal 50, heating element heater 52 for example, horseshoe shape
Electrical heating elements with sheath.From Fig. 6 b it will be seen that heat-radiator plate 54 is attached at below pedestal 50,
And assist the heat of self-heating element 52 to be in the future diffused on the region of pedestal 50.The gold of controller 2
Belong to installing plate 6 to be fastened to by heat-radiator plate 54 placed in the middle in by the external region of heating element heater 52
Pedestal 50.From Fig. 6 b it will be seen that pedestal 50 is at attachment heating element heater 52 and metal mounting plate 6
Region in substantially the most smooth.
Advantage of the present utility model is, metal mounting plate 6 can be made to ratio in standard controller
Little.The compact dimensioning of metal mounting plate 6 can give the credit to as described above at least in part,
The attachment structure of the improvement provided by metal lug and molded hooks so that need not extra attachment dress
Put (such as screw) and metal mounting plate 6 is attached to the molded plastics unit of controller.Additionally, base
Quasi-pad is repositioned onto the inner side of bimetallic actuator and makes it possible to reduce the maximum gauge of installing plate 6.
In these embodiments, metal mounting plate 6 has the maximum gauge of no more than 75mm, e.g., less than
70mm, is about 67mm in particular example.Then, can by the region that heating element heater 52 is external
To be reduced to the maximum gauge with no more than 75mm, e.g., less than 70mm, in particular example
It is about 67mm.The result that the region smaller strip external by heating element heater 52 of pedestal 50 is come is,
Conduction of heat in pedestal 50 in hgher efficiency.It means that heat-radiator plate 54 can be made to ratio
In itself previously known is thinner.Advantageously, heat-radiator plate 54 has the thickness less than 2mm, the most greatly
It is about 1.5mm.
Claims (21)
1. the controller for heating vessel, it is characterised in that described controller includes
Molded plastics unit and the metal mounting plate being attached to described molded plastics unit, described molded plastics list
Unit accommodates at least one switch of the power supply for controlling described heating vessel, and wherein first
Bimetallic actuator and the second bimetallic actuator are arranged on the surface of described metal mounting plate, and set
It is set to operation at least one switch described, and wherein said first bimetallic actuator and described second pair
Metal actuator has different shapes.
Controller the most according to claim 1, it is characterised in that described first bimetallic causes
Dynamic utensil has round-shaped.
Controller the most according to claim 1, it is characterised in that described second bimetallic causes
Dynamic utensil has rectangular shape.
Controller the most according to claim 1, it is characterised in that described first bimetallic causes
Dynamic device is set to when reaching the first temperature operate, and described second bimetallic actuator is set to reaching
Operation when arriving the second temperature higher than described first temperature.
Controller the most according to claim 1, it is characterised in that described first bimetallic causes
Dynamic device is set to the switch that operation disconnects the neutral side of described power supply.
Controller the most according to claim 1, it is characterised in that described second bimetallic causes
Dynamic device is set to the switch that operation disconnects the hot side of described power supply.
Controller the most according to claim 1, it is characterised in that described first bimetallic causes
Dynamic device is set to be set to operation at described second bimetallic actuator and disconnects the live wire of described power supply
Before the switch of side, operation disconnects the switch of the neutral side of described power supply.
Controller the most according to claim 1, it is characterised in that the 3rd bimetallic actuator
It is arranged on described molded plastics unit.
Controller the most according to claim 8, it is characterised in that described 3rd bimetallic causes
Dynamic utensil has the shape identical with described first bimetallic actuator.
Controller the most according to claim 8, it is characterised in that described 3rd bimetallic causes
Dynamic utensil has round-shaped.
11. controllers according to claim 8, it is characterised in that described 3rd bimetallic causes
Dynamic device is set to when reaching three temperature operate, and described 3rd temperature causes less than described first bimetallic
The first of dynamic device temperature operates temperature and the second operation temperature less than described second bimetallic actuator temperature
Degree.
12. controllers according to claim 8, it is characterised in that described 3rd bimetallic causes
Dynamic device is set to when coming into contact with steam operate.
13. controllers according to claim 1, it is characterised in that described metal mounting plate bag
Include one or more holes that the described metal mounting plate of permission is fastened to the pedestal of heating vessel, wherein
Described metal mounting plate farther includes to be set to described metal mounting plate is attached to described molded plastics
The metal lug of unit, described metal lug is included at its pedestal and bends to the installation of described metal
Post outside the plane of plate, and described post is included in the plane in parallel identical with described post in described gold
Belonging to the arm that installing plate extends, wherein said molded plastics unit includes that being positioned to receive described metal highlights
The support sector of the described arm in portion, and wherein said metal mounting plate moulding at the described metal lug
Property ground deformation, with at the pedestal of described post formed strengthen shape, described reinforcement shape produce along institute
State the tension force of post effect so that described arm is drawn down in described support sector in the plane of described post,
The most described metal lug keeps tensioning so that described metal mounting plate to be attached to described molded plastics list
Unit.
14. controllers according to claim 13, it is characterised in that described post be included in
Two arms that the plane in parallel that described post is identical extends in described metal mounting plate, to form T-shaped.
15. controllers according to claim 14, it is characterised in that described molded plastics list
Unit includes a pair corresponding support sector being positioned at the both sides of described post, to receive described in described T-shaped
Arm.
16. controllers according to claim 1, it is characterised in that described metal mounting plate bag
Include the maximum gauge of no more than 75mm.
17. controllers according to claim 1, it is characterised in that described metal mounting plate bag
Include the maximum gauge less than 70mm.
18. controllers according to claim 1, it is characterised in that described metal mounting plate bag
Include the maximum gauge of 67mm.
19. controllers according to claim 1, it is characterised in that described molded plastics unit
Including the cylindrical wall accommodating 360 ° of wireless electric connectors.
20. controllers according to claim 19, it is characterised in that described 360 ° of wireless electricity
Adapter includes at least one becket being concentrically disposed with around middle part pin.
21. controllers according to claim 19, it is characterised in that described 360 ° of wireless electricity
Adapter is electrically connected to described open at least one controlling the power supply of described heating vessel
Close.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620213369.5U CN205481823U (en) | 2016-03-18 | 2016-03-18 | Controller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620213369.5U CN205481823U (en) | 2016-03-18 | 2016-03-18 | Controller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205481823U true CN205481823U (en) | 2016-08-17 |
Family
ID=56654591
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620213369.5U Expired - Fee Related CN205481823U (en) | 2016-03-18 | 2016-03-18 | Controller |
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| Country | Link |
|---|---|
| CN (1) | CN205481823U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111163668A (en) * | 2018-02-23 | 2020-05-15 | 施特里克斯有限公司 | Thermosensitive controller |
-
2016
- 2016-03-18 CN CN201620213369.5U patent/CN205481823U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111163668A (en) * | 2018-02-23 | 2020-05-15 | 施特里克斯有限公司 | Thermosensitive controller |
| CN111163668B (en) * | 2018-02-23 | 2022-03-15 | 施特里克斯有限公司 | Thermosensitive controller |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160817 |