CN206774452U - A kind of band liquid-filled temperature control device of PTC power-off restorations - Google Patents
A kind of band liquid-filled temperature control device of PTC power-off restorations Download PDFInfo
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- CN206774452U CN206774452U CN201720541215.3U CN201720541215U CN206774452U CN 206774452 U CN206774452 U CN 206774452U CN 201720541215 U CN201720541215 U CN 201720541215U CN 206774452 U CN206774452 U CN 206774452U
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Abstract
It the utility model is related to temperature controller technical field,Refer in particular to a kind of band liquid-filled temperature control device of PTC power-off restorations,Including heat-transfer device,Cavity one,Cavity two,Lug plate one and lug plate two,Fixed contact is provided with cavity two,Moving contact,Reed,Bimetal leaf,PTC chip and conducting strip,Fixed contact is correspondingly arranged with moving contact,Fixed contact is connected to lug plate one,Moving contact is on reed,Reed is connected to lug plate two,It is connected at the top of PTC chip by bimetal leaf with reed,PTC chip bottom is connected by conducting strip with lug plate one,Bimetal leaf one end is fixed on reed,The overhead kick of the other end and reed is correspondingly arranged,Lug plate one,Fixed contact,Moving contact,Reed forms contact loop with lug plate two,Lug plate one,Conducting strip,PTC chip,Reed forms PTC loops with lug plate two,Liquid temperature sensing medium is filled with cavity one,The top of cavity one is correspondingly arranged with temperature sensing device,The bottom of cavity one is contacted on reed by thimble.With temperature protection function.
Description
Technical field
The present invention relates to temperature controller technical field, refers in particular to a kind of band liquid-filled temperature control device of PTC power-off restorations.
Background technology
At present, many electric equipment products all employ temperature controller, and temperature controller is controlled tactile by experiencing the temperature of electric equipment products
The folding of point, so as to the folding of control apparatus heater circuit, to reach the control and protective effect to appliance circuit.
The existing mechanical temperature controller of in the market is typically all that the principle expanded with heat and contract with cold using bimetal leaf is made, mechanically
Temperature controller is mainly used in the heating electrical appliance of immersion heater, and its operation principle is：It is double when temperature raises to a certain extent (during overtemperature)
Sheet metal produces deformation and movable contact is in released state with stationary contact, and circuit disconnects, and is no longer heat up, when temperature drops to one
When determining degree, bimetal leaf resets, and so as to drive movable contact and stationary contact to be in connected state again, heater circuit continues work
Make.Using such structure setting, if mechanical temperature controller so repeatedly disconnects and connected, finally immersion heater burns water
It is dry, great potential safety hazard be present, and the energy is wasted, the service life of mechanical temperature controller is also reduced, is used very not
It is convenient.
Finally, there is the concept of power-off protection, people use temperature controller with manual reset, using Thermal Cutoffs as disconnected
Electric protective component, obtains certain effect, but this temperature controller with manual reset, performance be present not using Thermal Cutoffs product
The defects such as stably, potential safety hazard is big, shelf life is low.
The content of the invention
For problem above, the invention provides a kind of band liquid-filled temperature control device of PTC power-off restorations, by cavity one
Interior liquid filling body temperature sensing medium, liquid temperature sensing medium can gasify at a certain temperature, change air pressure in cavity one, so as to real
Existing power down function, remain off circuit, it is necessary to which circuit communication can just be made manually by powering off by PTC chip after power-off, have
Have temperature protection, overtemperature protection, it is anti-the function such as dryout, its is simple in construction, uses safety and reliability.
To achieve these goals, the technical solution adopted by the present invention is as follows：
A kind of band liquid-filled temperature control device of PTC power-off restorations, including heat-transfer device, cavity one, cavity two, lug plate one with
Lug plate two, cavity two is interior to be provided with fixed contact, moving contact, reed, bimetal leaf, PTC chip and conducting strip, and fixed contact is touched with dynamic
Head is correspondingly arranged, and fixed contact is connected to lug plate one, and for moving contact on reed, reed is connected to lug plate two, PTC chip top
Portion is connected by bimetal leaf with reed, and PTC chip bottom is connected by conducting strip with lug plate one, and bimetal leaf one end is fixed
In on reed, the overhead kick of the other end and reed is correspondingly arranged, and lug plate one, fixed contact, moving contact, reed and lug plate two form
Contact loop, lug plate one, conducting strip, PTC chip, reed and lug plate two form PTC loops, liquid are filled with cavity one
Temperature sensing medium, the top of cavity one are correspondingly arranged with temperature sensing device, and the bottom of cavity one is contacted on reed by thimble.
Furthermore, the cavity one is correspondingly arranged the cavity for forming closing by top cover and diaphragm, and diaphragm contacts at top
At the top of pin, thimble bottom is contacted on reed.
Furthermore, the cavity two is correspondingly arranged by guide plate with pedestal is formed, and guide plate is provided with set corresponding with thimble
The through hole put.
Furthermore, the temperature sensing device includes copper capillary tube, and it is thin to state capillary copper in cavity one for copper capillary tube one end
The pipe other end is outside cavity one.
Furthermore, the lug plate one is connected the through hole of external circuit with being respectively equipped with lug plate two.
Furthermore, described bimetal leaf one end is fixed on reed by rivet, the overhead kick pair of the other end and reed
It should set.
Beneficial effect of the present invention：
Structure setting as present invention use, passes through the liquid filling body temperature sensing medium in cavity one, liquid temperature sensing medium
It can gasify at a certain temperature, change air pressure in cavity one, so as to promote thimble downward actuation by diaphragm, make fixed contact
Separated with moving contact, realize contact loop power off, after power-off, PTC chip is heated by PTC loops, make sheet metal by
The hot overhead kick for catching on reed downwards, remain off circuit, it is necessary to which power-off ability PTC chip cooling manually, answers reed
Position just can connect contact loop circuit, have temperature protection, overtemperature protection, it is anti-the function such as dryout, its is simple in construction, using more
Securely and reliably, it is highly suitable for plate type heating utensil.
Brief description of the drawings
Fig. 1 is overall structure sectional view of the present invention；
Fig. 2 is circuit communication state diagram of the present invention；
Fig. 3 is circuit off-state figure of the present invention.
1. top cover；2. diaphragm；3. copper capillary tube；4. pedestal；5. thimble；6. guide plate；7. lug plate one；8. fixed contact；9.
Moving contact；10. reed；11. rivet；12. bimetal leaf；13.PTC chips；14. conducting strip；15. lug plate two；16. cavity
One；17. cavity two；18. overhead kick；70. through hole.
Embodiment
Technical scheme is illustrated with embodiment below in conjunction with the accompanying drawings.
As shown in Figure 1 to Figure 3, it is of the present invention including temperature sensing device, cavity 1, cavity 2 17, lug plate 1 with connecing
Line piece 2 15, cavity 2 17 is interior to be provided with fixed contact 8, moving contact 9, reed 10, bimetal leaf 12, PTC chip 13 and conducting strip 14,
Fixed contact 8 is correspondingly arranged with moving contact 9, and fixed contact 8 is connected to lug plate 1, and on reed 10, reed 10 connects moving contact 9
Lug plate 2 15 is connected to, the top of PTC chip 13 is connected by bimetal leaf 12 with reed 10, and the bottom of PTC chip 13 passes through conduction
Piece 14 is connected with lug plate 1, and the one end of bimetal leaf 12 is fixed on reed 10, and the other end is corresponding with the overhead kick 18 of reed 10 to be set
Put, lug plate 1, fixed contact 8, moving contact 9, reed 10 and lug plate 2 15 form contact loop, lug plate 1, conducting strip
14th, PTC chip 13, reed 10 and lug plate 2 15 form PTC loops, and liquid temperature sensing medium, cavity are filled with cavity 1
One 16 tops are correspondingly arranged with temperature sensing device, and the bottom of cavity 1 is contacted on reed 10 by thimble 5.
Operation principle of the present invention is as follows：
When fixed contact 8 and moving contact 9 are in closure state, now contact loop circuit connects, and when equipment heating, passes through
Heat-transfer device is to the liquid temperature sensing medium in cavity 1 to row heat conduction, when temperature, which rises, reaches liquid gasification point, cavity one
Air pressure in 16 increases sharply, and promotes thimble 5 to move downward, and actuating spring 10 is downward again for thimble 5, makes fixed contact 8 and moving contact 9
In released state, contact loop is powered off, after power-off, PTC chip 13 is heated by PTC loops, PTC chip 13 is opened
Beginning work, rapid heating, make bimetal leaf 12 is heated to be bent downwardly the overhead kick 18 caught on reed 10, fixed contact 8 is touched with dynamic
Head remains open, and the liquid temperature sensing medium cooling in cavity 1 resets thimble 5, if power supply is always maintained at, temperature control device
Contact loop will continue off-position, now can only be by cutting off the electricity supply, and PTC chip 13 could stop heating, bimetal leaf 12
Reply original state is bent upwards, fixed contact 8 is closed with moving contact 9 and connects, reach manual power-off restoration defencive function, have
Temperature protection, overtemperature protection, it is anti-the function such as dryout, its is simple in construction, using safety and reliability, is highly suitable for baffle heater
Tool.
By the chemical agent such as water or ethanol or glycerine or paraxylene, mixing in any proportion comes real the liquid temperature sensing medium
Existing a variety of mixed liquor boiling points.For example, 60% paraxylene mixed with 20% water with 20% ethanol after gained liquid temperature sensing medium
Boiling point be 90 degrees Celsius.
More specifically, the cavity 1 is correspondingly arranged the cavity for forming closing by top cover 1 and diaphragm 2, and diaphragm 2 contradicts
In the top of thimble 5, the bottom of thimble 5 is contacted on reed 10.When equipment heating, by heat-transfer device to liquid temperature sensing medium to row
Heat conduction, when temperature, which rises, reaches liquid gasification point, the air pressure in cavity 1 increases sharply, and diaphragm 2 outwards expands against top
Pin 5 is downward, so as to realize that fixed contact 8 and moving contact 9 are in released state, powers off contact loop.
More specifically, the cavity 2 17 is correspondingly arranged by guide plate 6 with pedestal 4 is formed, and guide plate 6 is provided with and thimble 5
The through hole being correspondingly arranged.The top of thimble 5 contradicts with diaphragm 2, and what bottom was through on guide plate 6 logical also contradicts with reed 10.
More specifically, the heat-transfer device includes copper capillary tube 3, and the one end of copper capillary tube 3 is in cavity 1, capillary copper
The other end of tubule 3 is outside cavity 1.Heat conduction is carried out to the liquid temperature sensing medium in cavity 1 by copper capillary tube 3, made
Liquid temperature sensing medium temperature, which rises, reaches liquid gasification effect.
More specifically, the lug plate 1 is connected the through hole 70 of external circuit with being respectively equipped with lug plate 2 15.It is logical
Cross the wire that through hole 70 is easy to connect external circuit.
More specifically, described one end of bimetal leaf 12 is fixed on reed 10 by rivet 11, the other end and reed 10
Overhead kick 18 be correspondingly arranged.It is easy to adjust the positional distance between bimetal leaf 12 and reed 10, while also allows for changing double gold
Belong to piece 12.
Embodiments of the invention are described above in association with accompanying drawing, but the invention is not limited in above-mentioned specific
Embodiment, above-mentioned embodiment is only schematical, rather than restricted, one of ordinary skill in the art
Under the enlightenment of the present invention, in the case of present inventive concept and scope of the claimed protection is not departed from, it can also make a lot
Form, these are belonged within protection scope of the present invention.
Claims (6)
1. a kind of band liquid-filled temperature control device of PTC power-off restorations, it is characterised in that including heat-transfer device, cavity one (16), cavity
Two (17), lug plate one (7) and lug plate two (15), the cavity two (17) is interior to be provided with fixed contact (8), moving contact (9), reed
(10), bimetal leaf (12), PTC chip (13) and conducting strip (14), the fixed contact (8) are correspondingly arranged with moving contact (9), institute
State fixed contact (8) and be connected to lug plate one (7), for the moving contact (9) on reed (10), reed (10) is connected to lug plate
Two (15), PTC chip (13) top are connected by bimetal leaf (12) with reed (10), PTC chip (13) bottom
Be connected by conducting strip (14) with lug plate one (7), described bimetal leaf (12) one end is fixed on reed (10), the other end with
The overhead kick (18) of reed (10) is correspondingly arranged, the lug plate one (7), fixed contact (8), moving contact (9), reed (10) and wiring
Piece two (15) composition contact loop, the lug plate one (7), conducting strip (14), PTC chip (13), reed (10) and lug plate
Two (15) composition PTC loops, the cavity one (16) is interior to be filled with liquid temperature sensing medium, cavity one (16) top and temperature-sensitive
Device is correspondingly arranged, and described (16) bottom of cavity one is contacted on reed (10) by thimble (5).
A kind of 2. band liquid-filled temperature control device of PTC power-off restorations according to claim 1, it is characterised in that the cavity
One (16) are correspondingly arranged the cavity for forming closing by top cover (1) and diaphragm (2), and the diaphragm (2) is contacted at the top of thimble (5),
Thimble (5) bottom is contacted on reed (10).
A kind of 3. band liquid-filled temperature control device of PTC power-off restorations according to claim 1, it is characterised in that the cavity
Two (17) are correspondingly arranged with pedestal (4) by guide plate (6) and formed, and the guide plate (6) is provided with leads to what thimble (5) was correspondingly arranged
Hole.
A kind of 4. band liquid-filled temperature control device of PTC power-off restorations according to claim 1, it is characterised in that the heat conduction
Device includes copper capillary tube (3), and described copper capillary tube (3) one end is in cavity one (16), copper capillary tube (3) other end
Located at cavity one (16) outside.
A kind of 5. band liquid-filled temperature control device of PTC power-off restorations according to claim 1, it is characterised in that the wiring
Piece one (7) is connected the through hole (70) of external circuit with being respectively equipped with lug plate two (15).
A kind of 6. band liquid-filled temperature control device of PTC power-off restorations according to claim 1, it is characterised in that double gold
Category piece (12) one end is fixed on reed (10) by rivet (11), and the overhead kick (18) of the other end and reed (10) is correspondingly arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720541215.3U CN206774452U (en) | 2017-05-16 | 2017-05-16 | A kind of band liquid-filled temperature control device of PTC power-off restorations |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720541215.3U CN206774452U (en) | 2017-05-16 | 2017-05-16 | A kind of band liquid-filled temperature control device of PTC power-off restorations |
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| Publication Number | Publication Date |
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| CN206774452U true CN206774452U (en) | 2017-12-19 |
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| CN201720541215.3U Active CN206774452U (en) | 2017-05-16 | 2017-05-16 | A kind of band liquid-filled temperature control device of PTC power-off restorations |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107017122A (en) * | 2017-05-16 | 2017-08-04 | 佛山市高明欧电子制造有限公司 | A kind of band liquid-filled temperature control device of PTC power-off restorations |
-
2017
- 2017-05-16 CN CN201720541215.3U patent/CN206774452U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107017122A (en) * | 2017-05-16 | 2017-08-04 | 佛山市高明欧电子制造有限公司 | A kind of band liquid-filled temperature control device of PTC power-off restorations |
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| GR01 | Patent grant | ||
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| TR01 | Transfer of patent right |
Effective date of registration: 20180416 Address after: 528500 Taihua Road 6, Ho Cheng street, Gaoming District, Foshan, Guangdong province (factory 1) Patentee after: Ouyi Electric Manufacturing Factory, Co., Ltd., Foshan Address before: 528500 Taihua Road, Gaoming Cangjiang Industrial Park, Foshan, Guangdong Patentee before: Foshan City Gaoming Ouyi Electronic Manufacture Co., Ltd. |