CN106653477A - Dual protection temperature controller with disc-shaped bimetal sheets - Google Patents
Dual protection temperature controller with disc-shaped bimetal sheets Download PDFInfo
- Publication number
- CN106653477A CN106653477A CN201710071025.4A CN201710071025A CN106653477A CN 106653477 A CN106653477 A CN 106653477A CN 201710071025 A CN201710071025 A CN 201710071025A CN 106653477 A CN106653477 A CN 106653477A
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- CN
- China
- Prior art keywords
- butterfly
- bimetal leaf
- movable contact
- contact
- disc
- 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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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H37/00—Thermally-actuated switches
- H01H37/02—Details
- H01H37/32—Thermally-sensitive members
- H01H37/52—Thermally-sensitive members actuated due to deflection of bimetallic element
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- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Thermally Actuated Switches (AREA)
Abstract
The invention particularly relates to a dual protection temperature controller with disc-shaped bimetal sheets. The dual protection temperature controller comprises a first disc-shaped bimetal sheet, a second disc-shaped bimetal sheet, an upper movable contact, a lower movable contact, a straight rod, a hollow column and an n-shaped rod, wherein the deformation temperature of the first disc-shaped bimetal sheet is lower than that of the second disc-shaped bimetal sheet; the second disc-shaped bimetal sheet is not restored after thermal deformation; the upper movable contact is propped against an upper fixed contact; the lower movable contact is propped against a lower fixed contact; the top end of the straight rod is in contact with the first disc-shaped bimetal sheet and the bottom end is in contact with the upper movable contact; the top end of the hollow column is in contact with the second disc-shaped bimetal sheet; the bottom end of the n-shaped rod is in contact with the lower movable contact; the first disc-shaped bimetal sheet carries out sudden jump action after being heated and pushes the straight rod to separate the upper movable contact from the upper fixed contact and an electric heater is controlled to be powered off; and when a disc temperature drift exceeds an initial range, the second disc-shaped bimetal sheet carries out sudden jump action after being heated to a set temperature and pushes the n-shaped rod to separate the upper movable contact from the lower fixed contact and the electric heater is powered off and protected, so that a fire is prevented.
Description
Technical field
The present invention relates to temperature control utensil technical field, and in particular to a kind of duplicate protection butterfly shaped dual metal sheet temperature control
Device.
Background technology
At present, the construction of general butterfly shaped dual metal sheet temperature controller is by lid, pedestal, movable contact spring, static contact and dish
Shape bimetal leaf is combined.When temperature controller temperature-sensitive reaches design temperature, butterfly shaped dual metal sheet is produced moment by heat expansion principle
Bounce, by catch bar, makes the contact on dynamic and static contact separate the purpose for reaching cut-out heating power supply, and heat source temperature is reduced to
The recovery temperature of setting, butterfly shaped dual metal sheet automatically resets, power on.But product fails after using more than projected life,
Cannot disconnect as contact leaks copper bottom posterior synechia, video disc temperature drift exceedes initial range, video disc not deformation, it is impossible to control cut-out electricity
Road, controlled electric heater is being heated always, there is very big potential safety hazard.
The content of the invention
In view of this, in order to solve the problems of the prior art, the present invention proposes a kind of duplicate protection butterfly shaped dual metal sheet
Temperature controller.
The present invention is solved the above problems by following technological means：
A kind of duplicate protection butterfly shaped dual metal sheet temperature controller, including：Crown cap, top base, bottom base, static contact are installed
Block, the first butterfly bimetal leaf, the second butterfly bimetal leaf, double Z shaped movable contact spring；
The circle centre position of the second butterfly bimetal leaf is provided with through hole；
The first butterfly bimetal leaf is superimposed upon on the second butterfly bimetal leaf；
The temperature that is thermally deformed of the first butterfly bimetal leaf is less than the second butterfly bimetal leaf；
The second butterfly bimetal leaf is thermally deformed non-restoring；
First butterfly bimetal leaf, the second butterfly bimetal leaf are pressed on top base by the crown cap；
The top base also accommodates straight-bar, ∏-shape rod；
The top of the ∏-shape rod is fixedly provided with hollow posts；
The top base is provided with the first pilot hole for accommodating straight-bar, the second pilot hole for accommodating ∏-shape rod；
The double Z shaped movable contact spring is clamped between top base and bottom base；
The static contact mounting blocks are clamped between top base and bottom base；
The static contact mounting blocks top is provided with static contact；
The static contact mounting blocks bottom is provided with lower static contact；
The contact of the upper movable contact spring of the double Z shaped movable contact spring abuts the contact of upper static contact；
The contact of the lower movable contact spring of the double Z shaped movable contact spring abuts the contact of lower static contact；
The straight-bar is contained in the through hole of hollow posts, and the top of straight-bar contacts with the first butterfly bimetal leaf, bottom
Contact with upper movable contact spring；
The top of the hollow posts contacts with the second butterfly bimetal leaf, and the bottom of ∏-shape rod contacts with lower movable contact spring.
Further, the top base passes through rivet solid lock with bottom base.
Further, the material of the crown cap is stainless steel, copper or aluminium, and the scope of thickness is 0.2-0.8mm.
Further, the material of the static contact mounting blocks is bakelite, PPS, PA66 or ceramics.
Further, the bottom base is additionally provided with SR, and the second butterfly bimetal leaf promotes ∏ shapes after being thermally deformed
Bar promotes lower movable contact spring to contact with SR.
Compared with prior art, beneficial effects of the present invention are as follows：
First butterfly bimetal leaf is thermally deformed, and promotes straight-bar to promote upper movable contact spring to separate with upper static contact, controls electric heating
Device circuitry cuts connect circuit, and electric heater stops heating, and the kick operating temperature that is heated of the first butterfly bimetal leaf is less than
Second butterfly bimetal leaf, failure after product uses more than projected life, such as contact leakage copper bottom posterior synechia cannot disconnect, video disc
Temperature drift exceedes initial range, video disc not deformation, it is impossible to which control cut-out circuit, the second butterfly bimetal leaf is heated to up to setting
Action kick after temperature, promotes ∏-shape rod to promote lower movable contact spring to separate with lower static contact, electric heater power-off, effective protection electric heating
Device, prevents fire.
Description of the drawings
Technical scheme in order to be illustrated more clearly that the embodiment of the present invention, below will be to making needed for embodiment description
Accompanying drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the present invention, for
For those of ordinary skill in the art, on the premise of not paying creative work, can be obtaining other according to these accompanying drawings
Accompanying drawing.
Fig. 1 is the explosive view of the present invention；
Fig. 2 is the sectional view of the front view of the present invention；
Fig. 3 is the sectional view of the right view of the present invention.
Description of reference numerals：
1st, crown cap；2nd, top base；3rd, bottom base；4th, static contact mounting blocks；5th, the first butterfly bimetal leaf；6th, the second butterfly
Shape bimetal leaf；7th, double Z shaped movable contact spring；8th, through hole；9th, straight-bar；10th, ∏-shape rod；11st, hollow posts；12nd, the first pilot hole；13、
Second pilot hole；14th, upper static contact；15th, lower static contact；16th, contact；17th, SR；18th, upper movable contact spring；19th, it is lower dynamic tactile
Piece.
Specific embodiment
It is understandable to enable the above objects, features and advantages of the present invention to become apparent from, below in conjunction with accompanying drawing and specifically
Embodiment technical scheme is described in detail.It is pointed out that described embodiment is only this
Bright a part of embodiment, rather than the embodiment of whole, based on the embodiment in the present invention, those of ordinary skill in the art are not having
Have and make the every other embodiment obtained under the premise of creative work, belong to the scope of protection of the invention.
It is to be appreciated that the orientation or position relationship of the instruction such as term " top ", " bottom " are based on shown in the drawings
Orientation or position relationship, be for only for ease of description the present invention and simplify description, rather than indicate or imply indication device or
Element with specific orientation, with specific azimuth configuration and operation, therefore must be not considered as limiting the invention.
Term " first ", " second ", " the 3rd " are only used for describing purpose, and it is not intended that indicating or implying relatively important
Property or the implicit quantity for indicating indicated technical characteristic.Thus, define " first ", " second ", " the 3rd " feature can
To express or implicitly include one or more this feature.In describing the invention, unless otherwise stated, " one group "
It is meant that two or more.
Embodiment
As Figure 1-3, a kind of duplicate protection butterfly shaped dual metal sheet temperature controller, including：Crown cap 1, top base 2, lower base
Seat 3, static contact mounting blocks 4, the first butterfly bimetal leaf 5, the second butterfly bimetal leaf 6, double Z shaped movable contact spring 7；
The circle centre position of the second butterfly bimetal leaf 6 is provided with through hole 8；
The first butterfly bimetal leaf 5 is superimposed upon on the second butterfly bimetal leaf 6；
The temperature that is thermally deformed of the first butterfly bimetal leaf 5 is less than the second butterfly bimetal leaf 6；
The second butterfly bimetal leaf 6 is thermally deformed non-restoring；
First butterfly bimetal leaf 5, the second butterfly bimetal leaf 6 are pressed on top base 2 by the crown cap 1；
The top base 2 also accommodates straight-bar 9, ∏-shape rod 10；
The top of the ∏-shape rod 10 is fixedly provided with hollow posts 11；
The top base 2 is provided with the first pilot hole 12 for accommodating straight-bar 9, the second pilot hole 13 for accommodating ∏-shape rod 10；
The double Z shaped movable contact spring 7 is clamped between top base 2 and bottom base 3；
The static contact mounting blocks 4 are clamped between top base 2 and bottom base 3；
The top of static contact mounting blocks 4 is provided with static contact 14；
The bottom of static contact mounting blocks 4 is provided with lower static contact 15；
The contact 16 of the upper movable contact spring 18 of the double Z shaped movable contact spring 7 abuts the contact 16 of upper static contact 14；
The contact 16 of the lower movable contact spring 19 of the double Z shaped movable contact spring 7 abuts the contact 16 of lower static contact 15；
The straight-bar 9 is contained in the through hole of hollow posts 11, and the top of straight-bar 9 contacts with the first butterfly bimetal leaf 5,
Bottom contacts with upper movable contact spring 18；
The top of the hollow posts 11 contacts with the second butterfly bimetal leaf 6, the bottom of ∏-shape rod 10 and lower movable contact spring 19
Contact.
Preferably, the top base 2 passes through rivet solid lock with bottom base 3.
Preferably, the material of the crown cap 1 is stainless steel, copper or aluminium, and the scope of thickness is 0.2-0.8mm.
Preferably, the material of the static contact mounting blocks 4 is bakelite, PPS, PA66 or ceramics.
First butterfly bimetal leaf 5 is heated kick action, promotes straight-bar 9 to promote 14 points of upper movable contact spring 18 and upper static contact
From, electric heater power-off is controlled, electric heater stops heating, and the kick operating temperature that is heated of the first butterfly bimetal leaf 5 is less than second
Butterfly bimetal leaf 6, when contact 16 cannot disconnect, or the temperature drift of the first butterfly shaped dual metal sheet 5 exceed initial range, first
The not deformation of butterfly shaped dual metal sheet 5, it is impossible to which control cut-out circuit, the second butterfly bimetal leaf 6 is heated to the kick up to after design temperature
Action, promotes hollow posts 11, that is, promote ∏-shape rod 10 to promote lower movable contact spring 19 to separate with lower static contact 15, and electric heater power-off has
Effect protection electric heater, prevents fire.
Preferably, the bottom base 3 is additionally provided with SR 17, and the second butterfly bimetal leaf 6 promotes ∏ after being thermally deformed
Shape bar 10 promotes lower movable contact spring 19 to contact with SR 17.Can be by pressing SR 17, the shape of the second butterfly bimetal leaf 6
Become and restore, be powered and connect circuit, device replied is normally used.
Second butterfly bimetal leaf 6 can be set to below -35 degree can not be resetted, and need attendant's remover apparatus exception,
Change temperature controller, you can realize equipment normal work.
Embodiment described above only expresses the several embodiments of the present invention, and its description is more concrete and detailed, but and
Therefore the restriction to the scope of the claims of the present invention can not be interpreted as.It should be pointed out that for one of ordinary skill in the art
For, without departing from the inventive concept of the premise, some deformations and improvement can also be made, these belong to the guarantor of the present invention
Shield scope.Therefore, the protection domain of patent of the present invention should be defined by claims.
Claims (5)
1. a kind of duplicate protection butterfly shaped dual metal sheet temperature controller, it is characterised in that include：It is crown cap, top base, bottom base, quiet
Contact mounting blocks, the first butterfly bimetal leaf, the second butterfly bimetal leaf, double Z shaped movable contact spring；
The circle centre position of the second butterfly bimetal leaf is provided with through hole；
The first butterfly bimetal leaf is superimposed upon on the second butterfly bimetal leaf；
The temperature that is thermally deformed of the first butterfly bimetal leaf is less than the second butterfly bimetal leaf；
The second butterfly bimetal leaf is thermally deformed non-restoring；
First butterfly bimetal leaf, the second butterfly bimetal leaf are pressed on top base by the crown cap；
The top base also accommodates straight-bar, ∏-shape rod；
The top of the ∏-shape rod is fixedly provided with hollow posts；
The top base is provided with the first pilot hole for accommodating straight-bar, the second pilot hole for accommodating ∏-shape rod；
The double Z shaped movable contact spring is clamped between top base and bottom base；
The static contact mounting blocks are clamped between top base and bottom base；
The static contact mounting blocks top is provided with static contact；
The static contact mounting blocks bottom is provided with lower static contact；
The contact of the upper movable contact spring of the double Z shaped movable contact spring abuts the contact of upper static contact；
The contact of the lower movable contact spring of the double Z shaped movable contact spring abuts the contact of lower static contact；
The straight-bar is contained in the through hole of hollow posts, and the top of straight-bar contacts with the first butterfly bimetal leaf, bottom with it is upper
Movable contact spring is contacted；
The top of the hollow posts contacts with the second butterfly bimetal leaf, and the bottom of ∏-shape rod contacts with lower movable contact spring.
2. duplicate protection butterfly shaped dual metal sheet temperature controller according to claim 1, it is characterised in that the top base is with
Pedestal passes through rivet solid lock.
3. duplicate protection butterfly shaped dual metal sheet temperature controller according to claim 1, it is characterised in that the material of the crown cap
Matter is stainless steel, copper or aluminium, and the scope of thickness is 0.2-0.8mm.
4. duplicate protection butterfly shaped dual metal sheet temperature controller according to claim 1, it is characterised in that the static contact is installed
The material of block is bakelite, PPS, PA66 or ceramics.
5. duplicate protection butterfly shaped dual metal sheet temperature controller according to claim 1, it is characterised in that the bottom base also sets
∏-shape rod is promoted to promote lower movable contact spring to contact with SR after having SR, the second butterfly bimetal leaf to be thermally deformed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710071025.4A CN106653477B (en) | 2017-02-09 | 2017-02-09 | A kind of duplicate protection butterfly shaped dual metal sheet temperature controller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710071025.4A CN106653477B (en) | 2017-02-09 | 2017-02-09 | A kind of duplicate protection butterfly shaped dual metal sheet temperature controller |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106653477A true CN106653477A (en) | 2017-05-10 |
| CN106653477B CN106653477B (en) | 2018-07-06 |
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ID=58844638
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710071025.4A Active CN106653477B (en) | 2017-02-09 | 2017-02-09 | A kind of duplicate protection butterfly shaped dual metal sheet temperature controller |
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| Country | Link |
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| CN (1) | CN106653477B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108400071A (en) * | 2018-05-05 | 2018-08-14 | 中科天工电气控股有限公司 | A kind of dual fail-safe thermal trip |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3212351A (en) * | 1961-05-29 | 1965-10-19 | Texas Instruments Inc | Thermostatic switch and method of assembly |
| CN201185159Y (en) * | 2008-04-23 | 2009-01-21 | 龙口市汽车风扇离合器厂 | Double temperature-controlled switch |
| CN201311877Y (en) * | 2008-11-17 | 2009-09-16 | 黎智文 | Snap action bipolar temperature controller with double operating rods |
| CN202013846U (en) * | 2010-12-25 | 2011-10-19 | 龙口中宇机械有限公司 | Dual-temperature control power switch |
| CN204809122U (en) * | 2015-07-17 | 2015-11-25 | 佛山市天朋温控器有限公司 | Commercial high -power single -pole single -throw temperature controller |
| CN204809120U (en) * | 2015-07-17 | 2015-11-25 | 佛山市天朋温控器有限公司 | Double pole single throw heavy current temperature controller |
| CN105632839A (en) * | 2016-03-16 | 2016-06-01 | 佛山市通宝华龙控制器有限公司 | Double-disk single-operation snap action thermostat |
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2017
- 2017-02-09 CN CN201710071025.4A patent/CN106653477B/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108400071A (en) * | 2018-05-05 | 2018-08-14 | 中科天工电气控股有限公司 | A kind of dual fail-safe thermal trip |
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| Publication number | Publication date |
|---|---|
| CN106653477B (en) | 2018-07-06 |
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