CN206471281U - A kind of highly sensitive Novel temperature limiter - Google Patents
A kind of highly sensitive Novel temperature limiter Download PDFInfo
- Publication number
- CN206471281U CN206471281U CN201720198298.0U CN201720198298U CN206471281U CN 206471281 U CN206471281 U CN 206471281U CN 201720198298 U CN201720198298 U CN 201720198298U CN 206471281 U CN206471281 U CN 206471281U
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- China
- Prior art keywords
- pull bar
- soft magnetic
- magnetic bodies
- bottom cup
- action movie
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Abstract
The utility model is related to temperature controller technical field, refers to a kind of highly sensitive Novel temperature limiter；Including bottom cup, permanent magnet, soft magnetic bodies and pull bar, the pull bar is arranged on the lower shoe of bottom cup vertically, and the upper end of pull bar is provided with assembling structure；The permanent magnet is inlaid in assembling structure and then integrally linked with pull bar, and the action movie of driving pull bar is installed with the cup of bottom, and action movie is connected with assembling structure；The soft magnetic bodies are inlaid in the bottom cup upper port above permanent magnet, and the upper end of bottom cup is arranged with temperature-sensitive lid, and soft magnetic bodies upper surface contradicts with temperature-sensitive lid and set；The utility model is rational in infrastructure, soft magnetic bodies are inlaid in the upper port of collet and the directly conflict of temperature-sensitive lid is heated, pull bar is acted accurately and reliably by pilot hole and clamping part constraint saltus step, can effectively improve the thermal response speed of temperature limiter, it is to avoid the Problem of Failure that heat transfer is not caused freely；Soft magnetic bodies are directly encapsulated by the positioning of clamping part by temperature-sensitive lid, coordinate integrated pull bar to realize quick assembling with hard magnetic body, action movie.
Description
Technical field
The utility model is related to temperature controller technical field, refers specifically to a kind of highly sensitive Novel temperature limiter.
Background technology
Temperature sensor is a kind of with voluntarily action protection, the electricity for not powering off permanent open circuit, powering off self-resetting function
Device protection device, its application scenario extensively, using flexible, appliance circuit work safety can be protected, it is to avoid operating temperature is too high
Caused damage problem.Small household appliances field of the temperature sensor in the electric heating vessels such as intelligent electric cooker, pressure cooker is widely used,
In addition to by realizing heating auto-control to temperature sensing, the safety requirements of overtemperature protection is also pacified by such as GB4706.1 household electrical appliances
Full standard is Qiang Zhiyaoqiud.
Temperature limiter is a kind of temperature control device for being usually used in the household electrical appliance such as electric cooker, generally comprise magnet steel hold in the palm firmly, it is pull bar, soft
Magnet, hard magnetic body and dynamic clamping head and quiet clamping head, hard magnetic body are fixed on the upper port that magnet steel holds in the palm firmly and contacted with temperature sensibility, soft magnetic bodies assembling
Adsorbed on pull bar and under magneticaction with hard magnetic body, when electrical work temperature reaches the Curie temperature critical value of soft magnetic bodies
When, soft magnetic bodies lose magnetism so as to depart from hard magnetic body under dynamic clamping head and quiet clamping head driving, and then drive backward stick action switch operating electricity
Road.The problem of existing temperature limiter structure design has more, pull bar therein is the assembling between each part in magnet steel support firmly
Accessory, mostly permeability magnetic material are processed, the setting-in notch of the punching press of pull bar top or cutting one soft magnetism of formation, and pull bar can left and right
The very big less stable of the amplitude of swing, needs to control the balance held in the palm firmly to avoid the error of position, assembly difficulty is big during assembling
And it is very inconvenient.Soft magnetic bodies are heated to need the conduction by temperature sensibility and hard magnetic body, and temperature in conductive process by magnet steel
The parts such as hard support are shared, and the temperature rise response of soft magnetic bodies is slower, and the assembly relation between backward stick action and magnet steel support firmly is present
The larger free degree, its accuracy of action determines the thermal contact conductance of soft magnetic bodies and hard magnetic body, so that the stabilization to temperature limiter
Property generates larger security risk, and long thermally conductive pathways also can temperature limiter response sensitivity.Therefore, prior art is also
Need to be improved and develop.
The content of the invention
The purpose of this utility model is the defect and deficiency that are directed to prior art there is provided a kind of rational in infrastructure, action surely
Fast, the easy to assembly highly sensitive Novel temperature limiter of fixed, thermal response.
To achieve these goals, the utility model uses following technical scheme：
A kind of highly sensitive Novel temperature limiter described in the utility model, including bottom cup, permanent magnet, soft magnetic bodies and pull bar, institute
State pull bar to be arranged in vertically on the lower shoe of bottom cup, the upper end of pull bar is provided with assembling structure；The permanent magnet is inlaid in assembling knot
Integrally linked on structure and then with pull bar, the action movie of driving pull bar is installed with the cup of bottom, action movie is connected with assembling structure；
The soft magnetic bodies are inlaid in the bottom cup upper port above permanent magnet, and the upper end of bottom cup is arranged with temperature-sensitive lid, and soft magnetic bodies is upper
End face is contradicted with temperature-sensitive lid and set.
According to above scheme, divide spaced reciprocally provided with two clamping parts, two clamping parts in the upper port of the bottom cup
Not She Yu bottom cup inner chamber both sides, the upper port of the upper surface protrusion bottom cup of clamping part, two clamping part corresponding ends with the cup of bottom
Two clamping notches are constituted between port；The soft magnetic bodies are laterally arranged between two clamping parts, the two ends difference of soft magnetic bodies
It is inlaid in corresponding holding tank intraoral.
According to above scheme, the lower surface of the soft magnetic bodies is provided with limit convex layer.
According to above scheme, the assembling structure includes fixed plate and rocker piece, and rocker piece is in fixed plate and pull bar
Between end, permanent magnet is connected in the fixed plate and with it, and rocker piece is connected with action movie, the fixed plate, floating
Motion block and pull bar are integrated formed structure prepared by high polymer material.
According to above scheme, crosspiece bar is equipped with two sides of the fixed plate, the two ends of fixed plate are respectively equipped with bullet
Property buckle, permanent magnet is in fixed plate between elastic pinch plate and crosspiece bar, and elastic pinch plate upper end with permanent magnet provided with matching somebody with somebody
The wedge shape of conjunction hooks plate.
According to above scheme, the upper surface of the permanent magnet, which is provided with, approaches convex layer.
According to above scheme, offered on the action movie mutual provided with two in structure hole, the structure hole of action movie
Every elastic tongue piece, the outer end of two elastic tongue pieces is fixedly connected with the two ends of action movie respectively；The pull bar can be up and down
Ground is arranged in the structure hole of action movie, and two opposite flanks of rocker piece are provided with the neck of " V " shape, two elastic tongue pieces
Inner end is respectively engaged with corresponding neck.
According to above scheme, the action movie is laterally arranged between the madial wall of two clamping parts, and the two of action movie
End is contradicted with bottom cup inwall and set, and action movie two ends are fixedly connected with the lower shoe of bottom cup.
According to above scheme, the lower shoe of the bottom cup is provided with pilot hole, and pull bar is arranged in pilot hole.
The utility model has the beneficial effect that：The utility model is rational in infrastructure, and soft magnetic bodies are inlaid in upper port and the sense of collet
Temperature lid, which is directly contradicted, to be heated, and pull bar is constrained saltus step action accurately and reliably by pilot hole and clamping part, can effectively improve temperature limiter
Thermal response speed, it is to avoid the Problem of Failure that heat transfer is not caused freely；Soft magnetic bodies are direct by temperature-sensitive lid by the positioning of clamping part
Encapsulation, coordinates integrated pull bar to realize quick assembling with hard magnetic body, action movie.
Brief description of the drawings
Fig. 1 is overall configuration schematic diagram of the present utility model；
Fig. 2 is cup portion structural representation in bottom of the present utility model.
In figure：
1st, bottom cup；2nd, pull bar；3rd, action movie；11st, permanent magnet；12nd, soft magnetic bodies；13rd, temperature-sensitive lid；14th, clamping part；15th, press from both sides
Hold notch；16th, limit convex layer；17th, convex layer is approached；18th, pilot hole；21st, fixed plate；22nd, rocker piece；23rd, crosspiece bar；24th, bullet
Property buckle；25th, wedge shape hooks plate；26th, neck.
Embodiment
The technical solution of the utility model is illustrated with embodiment below in conjunction with the accompanying drawings.
As shown in figure 1, a kind of highly sensitive Novel temperature limiter described in the utility model, including it is bottom cup 1, permanent magnet 11, soft
Magnet 12 and pull bar 2, the pull bar 2 are arranged on the lower shoe of bottom cup 1 vertically, and the upper end of pull bar 2 is provided with assembling structure；It is described
Permanent magnet 11 is inlaid in assembling structure and then linked with the one of pull bar 2, and the action movie 3 of driving pull bar 2 is installed with bottom cup 1,
Action movie 3 is connected with assembling structure；The soft magnetic bodies 12 are inlaid in bottom 1 upper port of cup of the top of permanent magnet 11, bottom cup 1
Upper end be arranged with temperature-sensitive lid 13, and the upper surface of soft magnetic bodies 12 contradicts with temperature-sensitive lid 13 and set；The soft magnetic bodies 12 are temperature
Sensitive magnetic material, under normal conditions permanent magnet 11 attracted to adsorb with it by the magnetic of soft magnetic bodies 12 and drive pull bar 2 in stroke
High point, and soft magnetic bodies 12 are encapsulated in the upper port of bottom cup 1, heat conduction and electrical equipment of the soft magnetic bodies 12 by temperature-sensitive lid 13 by temperature-sensitive lid 13
Operating temperature keeps synchronous, and when arriving critical value in temperature, the magnetic of soft magnetic bodies 12 disappears, and pull bar 2 is driven dynamic downwards by action movie 3
Make to switch electrical work pattern, so that temperature change is converted into non-mechanical control signals；The soft magnetic bodies 12 directly pass through
Temperature-sensitive lid 13 is heated can to effectively improve the thermo-responsive and sensitivity of temperature limiter, it is to avoid in traditional temperature limiter structure conducting-heat elements it is many,
The defect of path length, improves the reliability of temperature limiter.
Bottom is respectively arranged on spaced reciprocally provided with two clamping parts 14, two clamping parts 14 in the upper port of the bottom cup 1
The both sides of 1 inner chamber of cup, the upper port of the upper surface protrusion bottom cup 1 of clamping part 14, two corresponding ends of clamping part 14 and bottom 1 upper end of cup
Two clamping notches 15 are constituted between mouthful；The soft magnetic bodies 12 are laterally arranged between two clamping parts 14, and the two of soft magnetic bodies 12
End is inlaid in corresponding clamping notch 15 respectively；The preferred bottom cup 1 of the utility model uses high polymer material injection molding, bottom
Cup 1 builds the support, positioning, fixed structure of soft magnetic bodies 12 by two clamping parts 14, and the cross section of clamping part 14 is semilune,
And clamping part 14 is hollow so that limiter can carry hot melt, temperature-sensitive component, the versatility and compatibility of the bottom cup 1 of raising temperature limiter
Property；Spacing between described two madial walls of clamping part 14 is matched with the width of soft magnetic bodies 12, and soft magnetic bodies 12 can be directly embedded into two
Quick assembling is realized between individual clamping part 14.
The lower surface of the soft magnetic bodies 12 is inlaid in bottom 1 upper port of cup provided with limit convex layer 16, the two ends of soft magnetic bodies 12
Clamping notch 15 on, the upper surface of soft magnetic bodies 12 is concordant with clamping part 14 and bottom surfaces of soft magnetic bodies 12 are held with bottom 1 upper port of cup
Flat, temperature-sensitive lid 12 is encapsulated on 1 upper end of cup of bottom so as to the both direction up and down of fixed soft magnetic bodies 12, and two clamping parts 14 are in soft magnetism
The both sides of body 12 are with it in interference fit, and the limit convex layer 16 is embedded in 1 upper port of cup of bottom so that its two ends is contradicted in bottom cup 1
Wall, so that soft magnetic bodies 12 obtain the positioning on six direction, the efficiency and soft magnetic bodies 12 when can effectively improve assembling are in bottom cup 1
On stability.
The assembling structure includes fixed plate 21 and rocker piece 22, rocker piece 22 located at fixed plate 21 and the upper end of pull bar 2 it
Between, permanent magnet 11 is connected in fixed plate 21 and with it, and rocker piece 22 is connected with action movie 3, the fixed plate
21st, rocker piece 22 and pull bar 2 are integrated formed structure prepared by high polymer material；The integrally formed pull bar 2 is relative to biography
The magnet steel limiter of system reduces a magnetic conductive part, and the weight of pull bar 2 prepared by high polymer material lighter, action sensitivity is high,
And preferably deformation intensity and plasticity can build more complicated assembling structure, action movie 3 and permanent magnet 11 is realized integration
Quick assembling, reduction temperature limiter assembly difficulty improves efficiency.
Crosspiece bar 23 is equipped with two sides of the fixed plate 21, the two ends of fixed plate 21 are respectively equipped with elastic pinch plate
24, permanent magnet 11 in fixed plate 21 between elastic pinch plate 24 and crosspiece bar 23, and the upper end of elastic pinch plate 24 be provided with forever
The wedge shape that magnet 11 coordinates hooks plate 25；The permanent magnet 11 is pressed into so as to which two wedge shapes are hooked on plate 25, passes through elastic pinch plate 24
Deformation reset force, wedge shape hooks plate 25 and withheld in the upper surface of permanent magnet 11, so as to coordinate with the crosspiece bar 23 of both sides to permanent magnet
11 realize comprehensive fixation, and permanent magnet 11, so as to be linked with the one of pull bar 2, can reduce inter-agency friction by fixed plate 21
Loss, improves the sensitivity of action stability and temperature limiter,.
The upper surface of the permanent magnet 11 is provided with approaching convex layer 17, and permanent magnet 11 is assemblied in fixed plate 21, and it is pushed up
Wedge clip 24 has been withheld at the two ends in face, and the height for approaching convex layer 17 is more than wedge clip 24 can fully adsorb
In the soft magnetic bodies 15 of top, approach convex layer 17 and above-mentioned limit convex layer 16 coordinates to improve between permanent magnet 11 and soft magnetic bodies 12
Fitness.
Offered on the action movie 3 in structure hole, the structure hole of action movie 3 provided with two spaced elastic tongue pieces
31, the two ends of the outer ends of two elastic tongue pieces 31 respectively with action movie 3 are fixedly connected；The pull bar 2 can be worn up and downly
In in the structure hole of action movie 3, two opposite flanks of rocker piece 22 are provided with the neck 26 of " V " shape, two elastic tongue pieces 31
Inner end be respectively engaged with corresponding neck 26；The action movie 3 uses three-back-shaped structure, and its internal structure hole is used to draw
Bar 2 passes through, and two on action movie 3 elastic tongue piece 31 is connected on the neck 26 of rocker piece 22, under normality on pull bar 2
Permanent magnet 11 is attracted upper in stroke by soft magnetic bodies 12, the demagnetization when the temperature of soft magnetic bodies 12 reaches critical value, then action movie 3
On the driving of elastic tongue piece 31 pull bar 2 mechanism to go downwards to stroke the next；The cross section of the rocker piece 22 is rectangle, and neck 26
On the side corresponding to the short side of cross section located at rocker piece 22, the spacing between two inner ends of elastic tongue piece 31 preferably is more than
Spacing between the short side of the cross section of rocker piece 22, two inner ends of elastic tongue piece 31 is preferably smaller than the length of the cross section of rocker piece 22
Side, in assembling, pull bar 2 and rocker piece 22 can be directly through between two elastic tongue pieces 31, and pull bar 2, which rotates 90 °, can make elasticity
Tongue piece 31 is caught in neck 26.
The action movie 3 is laterally arranged between the madial wall of two clamping parts 14, and two ends and the bottom cup 1 of action movie 3
Inwall, which is contradicted, to be set, and the two ends of action movie 3 are fixedly connected with the lower shoe of bottom cup 1；The lower shoe of bottom cup 1 provided with two with
The corresponding padded step of action movie 3, padded step is provided with locating dowel with the end of connecting moves piece 3, two ends of action movie 3
Side is processed into the arc coordinated with bottom 1 inwall of cup, and inwall of the end edge provided with bending part conflict bottom cup 1 of action movie 3 respectively,
So as to improve stability of the action movie 3 in bottom cup 1.
The lower shoe of the bottom cup 1 is provided with pilot hole 18, and pull bar 2 is arranged in pilot hole 18；The pilot hole 18 with
Pull bar 2 constitutes hole axle and coordinated, and then the up and down action of pull bar 2 is limited by transverse direction, when improving the action and assembling of pull bar 2
Stability, it is to avoid structural failure problem caused by its amplitude of fluctuation is excessive, further improve sensitivity and the peace of limiter
Quan Xing.
Described above is only better embodiment of the present utility model, therefore all according to described in the utility model patent claim
The equivalent change or modification done of construction, feature and principle, be included in the utility model patent claim.
Claims (9)
1. a kind of highly sensitive Novel temperature limiter, including bottom cup (1), permanent magnet (11), soft magnetic bodies (12) and pull bar (2), its feature
It is：The pull bar (2) is arranged on the lower shoe of bottom cup (1) vertically, and the upper end of pull bar (2) is provided with assembling structure；It is described forever
Magnet (11) is inlaid in assembling structure and then integrally linked with pull bar (2), and the dynamic of driving pull bar (2) is installed with bottom cup (1)
Make piece (3), action movie (3) is connected with assembling structure；The soft magnetic bodies (12) are inlaid in the bottom cup above permanent magnet (11)
(1) in upper port, the upper end of bottom cup (1) is arranged with temperature-sensitive lid (13), and the upper surface of soft magnetic bodies (12) is supported with temperature-sensitive lid (13)
Touch and set.
2. highly sensitive Novel temperature limiter according to claim 1, it is characterised in that：Set in the upper port of the bottom cup (1)
There are two clamping parts (14), two clamping parts (14) are respectively arranged on the both sides of bottom cup (1) inner chamber, clamping part (14) spaced reciprocally
Upper surface protrusion bottom cup (1) upper port, constitute two between cup (1) upper port of two clamping part (14) corresponding ends and bottom and press from both sides
Hold notch (15)；The soft magnetic bodies (12) are laterally arranged between two clamping parts (14), and the two ends difference of soft magnetic bodies (12) is embedding
In corresponding clamping notch (15).
3. highly sensitive Novel temperature limiter according to claim 2, it is characterised in that：On the lower surface of the soft magnetic bodies (12)
Provided with limit convex layer (16).
4. highly sensitive Novel temperature limiter according to claim 1, it is characterised in that：The assembling structure includes fixed plate
(21) and rocker piece (22), rocker piece (22) is located between fixed plate (21) and pull bar (2) upper end, and permanent magnet (11) is located at fixation
It is connected on plate (21) and with it, rocker piece (22) is connected with action movie (3), the fixed plate (21), rocker piece
(22) and pull bar (2) be high polymer material prepare integrated formed structure.
5. highly sensitive Novel temperature limiter according to claim 4, it is characterised in that：On two sides of the fixed plate (21)
Crosspiece bar (23) is equipped with, the two ends of fixed plate (21) are respectively equipped with elastic pinch plate (24), and permanent magnet (11) is located at elastic pinch plate
(24) in the fixed plate (21) between crosspiece bar (23), and elastic pinch plate (24) upper end is provided with the wedge coordinated with permanent magnet (11)
Shape hooks plate (25).
6. highly sensitive Novel temperature limiter according to claim 5, it is characterised in that：On the upper surface of the permanent magnet (11)
Provided with approaching convex layer (17).
7. highly sensitive Novel temperature limiter according to claim 4, it is characterised in that：Knot is offered on the action movie (3)
Provided with two spaced elastic tongue pieces (31), the outer end of two elastic tongue pieces (31) in structure hole, the structure hole of action movie (3)
The two ends with action movie (3) are fixedly connected respectively；The pull bar (2) can be arranged in the structure hole of action movie (3) up and downly
Interior, two opposite flanks of rocker piece (22) are provided with the neck (26) of " V " shape, and the inner end of two elastic tongue pieces (31) is blocked respectively
It is connected on corresponding neck (26).
8. highly sensitive Novel temperature limiter according to claim 7, it is characterised in that：The action movie (3) is laterally arranged in
Between the madial wall of two clamping parts (14), and the two ends of action movie (3) contradict setting, action movie (3) two with bottom cup (1) inwall
The lower shoe with bottom cup (1) is held to be fixedly connected.
9. highly sensitive Novel temperature limiter according to claim 1, it is characterised in that：Set on the lower shoe of the bottom cup (1)
There is pilot hole (18), pull bar (2) is arranged in pilot hole (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720198298.0U CN206471281U (en) | 2017-03-02 | 2017-03-02 | A kind of highly sensitive Novel temperature limiter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720198298.0U CN206471281U (en) | 2017-03-02 | 2017-03-02 | A kind of highly sensitive Novel temperature limiter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206471281U true CN206471281U (en) | 2017-09-05 |
Family
ID=59713160
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720198298.0U Withdrawn - After Issue CN206471281U (en) | 2017-03-02 | 2017-03-02 | A kind of highly sensitive Novel temperature limiter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206471281U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106783390A (en) * | 2017-03-02 | 2017-05-31 | 佛山市川东磁电股份有限公司 | A kind of highly sensitive Novel temperature limiter |
-
2017
- 2017-03-02 CN CN201720198298.0U patent/CN206471281U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106783390A (en) * | 2017-03-02 | 2017-05-31 | 佛山市川东磁电股份有限公司 | A kind of highly sensitive Novel temperature limiter |
| CN106783390B (en) * | 2017-03-02 | 2018-12-21 | 佛山市川东磁电股份有限公司 | A kind of highly sensitive temperature limiter |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20170905 Effective date of abandoning: 20181221 |
|
| AV01 | Patent right actively abandoned |