CN103107045A - Miniature thermosensitivity magnetically controlled switch which can be assembled conveniently - Google Patents
Miniature thermosensitivity magnetically controlled switch which can be assembled conveniently Download PDFInfo
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- CN103107045A CN103107045A CN2013100244637A CN201310024463A CN103107045A CN 103107045 A CN103107045 A CN 103107045A CN 2013100244637 A CN2013100244637 A CN 2013100244637A CN 201310024463 A CN201310024463 A CN 201310024463A CN 103107045 A CN103107045 A CN 103107045A
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Abstract
The invention discloses a miniature thermosensitivity magnetically controlled switch which can be assembled conveniently. The miniature thermosensitivity magnetically controlled switch which can be assembled conveniently comprises a shell, springs, a movement mechanism, a movable switch, a hard magnet and a soft magnet, wherein the top of the shell is fixed with the soft magnet which is contacted with a fever container, the hard magnet is movably arranged below the soft magnet, the hard magnet is connected with the soft magnet through the springs, and the movement mechanism is connected with the movable switch after penetrating through the hard magnet. The movement mechanism comprises a fixed mechanism, a hard magnet tray and a connecting rod. The fixed mechanism, the hard magnet tray and the connecting rod are arranged integrally. The movable switch is in external connection with the fever container. The miniature thermosensitivity magnetically controlled switch which can be assembled conveniently can improve production efficiency and assembling efficiency of the miniature thermosensitivity magnetically controlled switch, improve safety and stability of the miniature thermosensitivity magnetically controlled switch, and prolong service life of the miniature thermosensitivity magnetically controlled switch.
Description
Technical field
The present invention relates to a kind of micro temperature-sensitive magnetic control switch movement structure, in particular a kind of micro temperature-sensitive magnetic control switch easy to assembly.
Background technology
Existing micro temperature-sensitive magnetic control switch is all indirectly soft magnetism to be heated by the conductive cover that is arranged on above soft magnetism, is warmed to the critical temperature of soft magnetism always, thereby drives the temperature-sensitive magnetic-control switch action.But this indirect heat conducting mode has limited the sensitivity of temperature-sensitive magnetic-control switch, wants to increase the sensitivity of temperature-sensitive magnetic-control switch, just must guarantee the temperature-sensitive area of soft magnetism and conductive cover, and this has just increased the production cost of temperature-sensitive magnetic-control switch indirectly.In addition, the actuating mechanism of micro temperature-sensitive magnetic control switch of the prior art is comprised of several parts usually, and the accessory that this micro temperature-sensitive magnetic control switch need to be produced is many, and assembling is inconvenient; Because actuating mechanism is comprised of several parts, it is lax that the each several part connection easily appears in long-term use simultaneously, and safety and reliability descends.Also there is a kind of micro temperature-sensitive magnetic control switch in prior art, this micro temperature-sensitive magnetic control switch is realized the closure of control switch by the cooperation that an actuating strut and bimetal leaf are set, the actuating strut length of this micro temperature-sensitive magnetic control switch determines according to the radian of bimetal leaf, the actuating strut of the micro temperature-sensitive magnetic control switch of different model is different in size, the actual use needs actuating strut and bimetal leaf coupling to work, very inconvenient, and the actuating strut of this micro temperature-sensitive magnetic control switch is unfixing, and its safety and stability is lower.
Therefore, prior art has yet to be improved and developed.
Summary of the invention
The object of the present invention is to provide a kind of micro temperature-sensitive magnetic control switch easy to assembly, be intended to solve the actuating mechanism complex structure of existing temperature-sensitive magnetic-control switch, assembling and use are inconvenient, the technical problem that safety and stability is lower.
Technical scheme of the present invention is as follows: a kind of micro temperature-sensitive magnetic control switch easy to assembly, comprise shell, spring, actuating mechanism, movable switch, Hard Magnetic and soft magnetism, wherein, described cover top portion is fixed with the soft magnetism for temperature-sensitive, the soft magnetism below arranges Hard Magnetic, connect by spring between Hard Magnetic and soft magnetism, actuating mechanism is passed Hard Magnetic and movable switch interoperation; Described actuating mechanism comprises the fixed mechanism that embeds Hard Magnetic and be fixedly connected with Hard Magnetic, be arranged on Hard Magnetic pallet that fixed mechanism below is connected with fixed mechanism and the connecting rod that is arranged on the Hard Magnetic tray bottom surface and contacts with movable switch, described fixed mechanism, Hard Magnetic pallet and connecting rod integrated setting.
Described micro temperature-sensitive magnetic control switch easy to assembly, wherein, described fixed mechanism and connecting rod are separately positioned on upper surface and the lower surface of Hard Magnetic pallet, the coaxial setting of fixed mechanism and connecting rod; Described fixed mechanism comprises at least two elasticity montants that equidistantly vertically are arranged on the Hard Magnetic pallet, and described elasticity montant surrounds circular or square, and described elasticity montant top is provided with barb; Described Hard Magnetic is provided with via, and described via inside is provided with groove, and the distance of described any two elasticity montant outer surfaces is less than the diameter of via; The insertion via is close to mutually in described each elasticity montant elastic bending, each elasticity montant upper end, restores to the original state after described each elasticity montant inserts via, and described barb is stuck in the groove in via.
Described micro temperature-sensitive magnetic control switch easy to assembly, wherein, described connecting rod is set to cylindric; Described fixed mechanism comprises two elasticity montants, and two elasticity montant tops are equipped with barb; The distance of the outer surface of described two elasticity montants is less than the via diameter.
Described micro temperature-sensitive magnetic control switch easy to assembly, wherein, described via comprises the concentric column through hole of two connections setting up and down, above the cylindrical hole radius greater than following cylindrical hole radius, the junction of two cylindrical holes forms groove; The outer surface distance of described any two elasticity montants is less than the diameter of following cylindrical hole; Described each elasticity montant elastic bending, be close to and pass following cylindrical hole mutually, restore to the original state after described each elasticity montant passes following cylindrical hole, described barb is stuck in the groove in via.
Described micro temperature-sensitive magnetic control switch easy to assembly, wherein, described actuating mechanism is the heat-resisting actuating mechanism of insulation, the fusing point of the heat-resisting actuating mechanism of described insulation is higher than the Curie temperature of soft magnetism.
Described micro temperature-sensitive magnetic control switch easy to assembly, wherein, described Hard Magnetic is arranged to circle, and via is arranged on the Hard Magnetic center of circle; Described Hard Magnetic pallet is arranged to circle, and Hard Magnetic pallet radius is more than or equal to the Hard Magnetic radius, and described Hard Magnetic pallet thickness is greater than 0.5mm.
Described micro temperature-sensitive magnetic control switch easy to assembly, wherein, described shell is arranged to the tubbiness of single-ended sealing, is provided with concave station in the open end of shell; Soft magnetism is stuck on concave station; Described Hard Magnetic setting in the enclosure, be placed in soft magnetism below; Spring is arranged between described soft magnetism and Hard Magnetic, and an end of described spring connects soft magnetism, and the other end connects Hard Magnetic; Described Hard Magnetic pallet is arranged on the Hard Magnetic bottom surface, and blind end and movable switch that described connecting rod passes shell touch, described connecting rod and movable switch interoperation.
Described micro temperature-sensitive magnetic control switch easy to assembly, wherein, described micro temperature-sensitive magnetic control switch easy to assembly also comprises end cap; Described end cap is enclosed within cover top portion, is provided with thermal hole on end cap.
Described micro temperature-sensitive magnetic control switch easy to assembly, wherein, described movable switch comprises quiet conducting strip and electroconductive elastic sheet, described quiet conducting strip is arranged on the outer surface of closed termination of outer cover, be provided with fixed contact on quiet conducting strip, the stiff end of electroconductive elastic sheet is arranged on the outer surface of closed termination of outer cover, and the movable end of electroconductive elastic sheet is provided with moving contact, and described fixed contact contacts with the moving contact cooperation; Described quiet conducting strip is connected with electroconductive elastic sheet with a splicing ear and is connected, described splicing ear circumscripted power line; Described connecting rod and electroconductive elastic sheet touch, connecting rod and electroconductive elastic sheet interoperation.
Described micro temperature-sensitive magnetic control switch easy to assembly, wherein, the blind end cover of described shell has the rotation sliding sleeve.
Beneficial effect of the present invention: the invention provides a kind of micro temperature-sensitive magnetic control switch easy to assembly, it is integrated by actuating mechanism is arranged to, not only improved production and the packaging efficiency of micro temperature-sensitive magnetic control switch, and the actuating mechanism of integrated setting safety and stability more in use; The present invention is by arranging barb at elasticity montant top, and in Hard Magnetic, groove is set, and barb is stuck on groove, and well fixedly actuating mechanism and Hard Magnetic make actuating mechanism and the Hard Magnetic can the occurrence positions skew when mobile, good stability; The present invention makes the direct contact heating container of soft magnetism by thermal hole is set on end cap, increased widely the temperature-sensitive area of soft magnetism, and passive type heat conduction is become active heat conduction, has increased widely the sensitivity of temperature-sensitive magnetic-control switch; By changing the mounting means of electroconductive elastic sheet, volume that can corresponding minimizing soft magnetism makes temperature-sensitive magnetic-control switch more microminiaturized.
Description of drawings
Fig. 1 is the structural representation of micro temperature-sensitive magnetic control switch easy to assembly in the present invention.
Fig. 2 is the internal view of micro temperature-sensitive magnetic control switch easy to assembly in the present invention.
Fig. 3 is the structural representation of the actuating mechanism of micro temperature-sensitive magnetic control switch easy to assembly in the present invention.
Embodiment
For making purpose of the present invention, technical scheme and advantage clearer, clear and definite, developing simultaneously referring to accompanying drawing, the present invention is described in more detail for embodiment.
As shown in Figure 1, be the structural representation of micro temperature-sensitive magnetic control switch easy to assembly in the present invention.This micro temperature-sensitive magnetic control switch easy to assembly comprises end cap 100, shell 200 and soft magnetism 300, and shell 200 is arranged to the tubbiness of single-ended sealing, is provided with concave station in the open end of shell 200; Soft magnetism 300 is stuck on concave station, and end cap 100 is enclosed within the open end of shell 200, and is fixing soft magnetism 300 by concave station and end cap 100; Be provided with thermal hole on end cap 100, soft magnetism 300 directly contacts with heating container or other thermals source by thermal hole.
As depicted in figs. 1 and 2, this micro temperature-sensitive magnetic control switch easy to assembly also comprises Hard Magnetic 400, spring 500, actuating mechanism 600, movable switch 700: described Hard Magnetic 400 is arranged in shell 200, be placed in soft magnetism 300 below; Spring 500 is arranged between described soft magnetism 300 and Hard Magnetic 400, and an end of described spring 500 connects soft magnetism 300, and the other end connects Hard Magnetic 400; As shown in Figure 3, in the present embodiment, actuating mechanism 600 comprises fixed mechanism 610, Hard Magnetic pallet 620 and connecting rod 630: described fixed mechanism 610 and connecting rod 630 are separately positioned on upper surface and the lower surface of Hard Magnetic pallet 620, fixed mechanism 610, Hard Magnetic pallet 620 and the connecting rod 630 coaxial settings of three; Described fixed mechanism 610 is connected with Hard Magnetic 400, Hard Magnetic pallet 620 is connected with fixed mechanism 610 lower ends, Hard Magnetic pallet 620 is placed in fixedly Hard Magnetic 400 of Hard Magnetic 400 bottom supporting, connecting rod 630 is arranged on Hard Magnetic pallet 620 bottom center places, and blind end and movable switch 700 that connecting rod 630 passes shell 200 touch; Wherein movable switch 700 comprises electroconductive elastic sheet 710 and quiet conducting strip 720: blind end and electroconductive elastic sheet 710 that described connecting rod 630 passes shell 200 touch, described quiet conducting strip 720 is arranged on the outer surface of shell 200 blind ends, be provided with fixed contact on quiet conducting strip 720, the stiff end of electroconductive elastic sheet 710 is arranged on the outer surface of shell 200 blind ends, the movable end of electroconductive elastic sheet 710 is provided with moving contact, and described fixed contact contacts with the moving contact cooperation; Described quiet conducting strip 720 is connected with electroconductive elastic sheet and is connected with a splicing ear 120 respectively, described splicing ear 120 circumscripted power lines.
Further, in order to make staff's efficient when producing and assemble temperature-sensitive magnetic-control switch higher, the present invention is arranged to integrated (fixed mechanism 610, Hard Magnetic pallet 620 and connecting rod 630 integrated setting can not be taken apart) to actuating mechanism 600.
For the internal structure that prevents micro temperature-sensitive magnetic control switch is not subjected to external interference, the blind end cover of described shell 200 has rotation sliding sleeve 800.
The blind end that described actuating mechanism 600 is passed shell 200 inserts in rotation sliding sleeve 800 and electroconductive elastic sheet 710 interoperations: when actuating mechanism 600 was left electroconductive elastic sheet 710, the fixed contact of quiet conducting strip 720 contacted with the moving contact of electroconductive elastic sheet 710 and whole circuit is connected; Move downward when actuating mechanism 600 moves downward promotion electroconductive elastic sheet 710, the fixed contact of quiet conducting strip 720 separates with the moving contact of electroconductive elastic sheet 710 and whole circuit is disconnected thereupon.
As shown in Figure 3, fixed mechanism described in the present embodiment 610 and connecting rod 630 are arranged to cylindric, and fluting in the middle of described fixed mechanism 610 forms 611, two of two elasticity montants elasticity montant 611 tops and is equipped with barb; The radius of described fixed mechanism 610 outer surfaces is less than the via radius.During concrete the connection, described two elasticity montant 611 elastic bendings, be close to and pass following cylindrical hole mutually, restore to the original state after described two elasticity montants 611 pass following cylindrical hole, described barb is stuck in the groove in via.
The present invention makes directly contact heating container of soft magnetism 300 by on end cap 100, thermal hole being set, and has increased the temperature-sensitive area of soft magnetism 300, and passive type heat conduction is become active heat conduction, has increased widely the sensitivity of temperature-sensitive magnetic-control switch; By the mounting means (stiff end of traditional electroconductive elastic sheet 710 is mounted on rotation sliding sleeve 800) that changes electroconductive elastic sheet 710, volume that can corresponding minimizing soft magnetism 300 makes temperature-sensitive magnetic-control switch more microminiaturized; By being arranged to movable device 600 integrated, production of the present invention and packaging efficiency have directly been improved, greatly improved safety and stability, the life-span that has extended temperature-sensitive magnetic-control switch, (temperature-sensitive magnetic-control switch of the prior art was because its movable device is comprised of several parts, after long-term work, the each several part ease of connection of movable device occurs lax, unstable, so its safety and stability is not high); By barb is set, cooperation Hard Magnetic pallet 620 makes Hard Magnetic 400 be connected with movable device and firmly connects by restriction Hard Magnetic 400, avoids when actuating mechanism 600 motion, and actuating mechanism 600 and Hard Magnetic 400 occurrence positions are offset, and affect the result of use of product.
In actual the use, described actuating mechanism 600 is the insulation heat proof material, the fusing point of the actuating mechanism 600 of insulation heat proof material is greater than the Curie temperature of soft magnetism 300, can avoid when the temperature-sensitive magnetic-control switch conducting by this setup, prevent that soft magnetism 300 is heated temperature and raises, make actuating mechanism 600 fusings, prevent simultaneously the charged magnetic that affects Hard Magnetic 400 of actuating mechanism 600, affect the result of use of product; The actuating mechanism 600 of employing insulation heat proof material is conducive to extend the useful life of product on the other hand.
Further, in order better to realize the insulation effect of actuating mechanism 600, increase the fail safe of product, the thickness of described Hard Magnetic pallet 620 is greater than 0.5mm.In practical application, the Hard Magnetic pallet can be arranged to circle, ellipse or square.When using for a long time due to micro temperature-sensitive magnetic control switch, Hard Magnetic 400 and soft magnetism 300 can produce some magnetics, in the present embodiment, affect the normal operation of micro temperature-sensitive magnetic control switch in order to prevent that magnetic from dropping, described Hard Magnetic pallet 620 Area Ratio Hard Magnetics 400 are bigger, fall on Hard Magnetic pallet 620 when the magnetic that produces on Hard Magnetic 400 or soft magnetism 300 drops, can not affect the normal operation of micro temperature-sensitive magnetic control switch.
Under initial condition, the magnetic force that produces between soft magnetism 300 and Hard Magnetic 400 overcomes the elastic force of spring 500, soft magnetism 300 and Hard Magnetic 400 contact with each other, spring is compressed, connecting rod 630 leaves electroconductive elastic sheet 710, the fixed contact of quiet conducting strip 720 contacts with the moving contact of electroconductive elastic sheet 710 and whole circuit is connected, and soft magnetism 300 is directly heated by the heating container; When soft magnetism 300 is heated to the operating point temperature, magnetic force between soft magnetism 300 and Hard Magnetic 400 disappears, Hard Magnetic 400 moves downward under the drive of spring 500, actuating mechanism 600 moves downward thereupon, connecting rod 630 promotes electroconductive elastic sheet 710 and moves downward thereupon, the fixed contact of quiet conducting strip 720 separates with the moving contact of electroconductive elastic sheet 710 and whole circuit is disconnected, and soft magnetism 300 is stopped heating; When the temperature of soft magnetism 300 dropped to lower than the operating point temperature, soft magnetism 300 and Hard Magnetic 400 be adhesive mutually again, and the conducting thereupon of whole circuit so repeats above-mentioned action.
Should be understood that, application of the present invention is not limited to above-mentioned giving an example, and for those of ordinary skills, can be improved according to the above description or conversion, and all these improve and conversion all should belong to the protection range of claims of the present invention.
Claims (10)
1. micro temperature-sensitive magnetic control switch easy to assembly, comprise shell, spring, actuating mechanism, movable switch, Hard Magnetic and soft magnetism, it is characterized in that, described cover top portion is fixed with the soft magnetism for temperature-sensitive, the soft magnetism below arranges Hard Magnetic, connect by spring between Hard Magnetic and soft magnetism, actuating mechanism is passed Hard Magnetic and movable switch interoperation; Described actuating mechanism comprises the fixed mechanism that embeds Hard Magnetic and be fixedly connected with Hard Magnetic, be arranged on Hard Magnetic pallet that fixed mechanism below is connected with fixed mechanism and the connecting rod that is arranged on the Hard Magnetic tray bottom surface and contacts with movable switch, described fixed mechanism, Hard Magnetic pallet and connecting rod integrated setting.
2. micro temperature-sensitive magnetic control switch easy to assembly according to claim 1, is characterized in that, described fixed mechanism and connecting rod are separately positioned on upper surface and the lower surface of Hard Magnetic pallet, the coaxial setting of fixed mechanism and connecting rod; Described fixed mechanism comprises at least two elasticity montants that equidistantly vertically are arranged on the Hard Magnetic pallet, and described elasticity montant surrounds circular or square, and described elasticity montant top is provided with barb; Described Hard Magnetic is provided with via, and described via inside is provided with groove, and the distance of described any two elasticity montant outer surfaces is less than the diameter of via; The insertion via is close to mutually in described each elasticity montant elastic bending, each elasticity montant upper end, restores to the original state after described each elasticity montant inserts via, and described barb is stuck in the groove in via.
3. micro temperature-sensitive magnetic control switch easy to assembly according to claim 2, is characterized in that, described connecting rod is set to cylindric; Described fixed mechanism comprises two elasticity montants, and two elasticity montant tops are equipped with barb; The distance of the outer surface of described two elasticity montants is less than the via diameter.
4. micro temperature-sensitive magnetic control switch easy to assembly according to claim 3, it is characterized in that, described via comprises the concentric column through hole of two connections setting up and down, above the cylindrical hole radius greater than following cylindrical hole radius, the junction of two cylindrical holes forms groove; The outer surface distance of described any two elasticity montants is less than the diameter of following cylindrical hole; Described each elasticity montant elastic bending, be close to and pass following cylindrical hole mutually, restore to the original state after described each elasticity montant passes following cylindrical hole, described barb is stuck in the groove in via.
5. the described micro temperature-sensitive magnetic control switch easy to assembly of according to claim 1-4 any one, is characterized in that, described actuating mechanism is the heat-resisting actuating mechanism of insulation, and the fusing point of the heat-resisting actuating mechanism of described insulation is higher than the Curie temperature of soft magnetism.
6. micro temperature-sensitive magnetic control switch easy to assembly according to claim 5, is characterized in that, described Hard Magnetic is arranged to circle, and via is arranged on the Hard Magnetic center of circle; Described Hard Magnetic pallet is arranged to circle, and Hard Magnetic pallet radius is more than or equal to the Hard Magnetic radius, and described Hard Magnetic pallet thickness is greater than 0.5mm.
7. micro temperature-sensitive magnetic control switch easy to assembly according to claim 6, is characterized in that, described shell is arranged to the tubbiness of single-ended sealing, is provided with concave station in the open end of shell; Soft magnetism is stuck on concave station; Described Hard Magnetic setting in the enclosure, be placed in soft magnetism below; Spring is arranged between described soft magnetism and Hard Magnetic, and an end of described spring connects soft magnetism, and the other end connects Hard Magnetic; Described Hard Magnetic pallet is arranged on the Hard Magnetic bottom surface, and blind end and movable switch that described connecting rod passes shell touch, described connecting rod and movable switch interoperation.
8. micro temperature-sensitive magnetic control switch easy to assembly according to claim 7, is characterized in that, described micro temperature-sensitive magnetic control switch easy to assembly also comprises end cap; Described end cap is enclosed within cover top portion, is provided with thermal hole on end cap.
9. micro temperature-sensitive magnetic control switch easy to assembly according to claim 8, it is characterized in that, described movable switch comprises quiet conducting strip and electroconductive elastic sheet, described quiet conducting strip is arranged on the outer surface of closed termination of outer cover, be provided with fixed contact on quiet conducting strip, the stiff end of electroconductive elastic sheet is arranged on the outer surface of closed termination of outer cover, and the movable end of electroconductive elastic sheet is provided with moving contact, and described fixed contact contacts with the moving contact cooperation; Described quiet conducting strip is connected with electroconductive elastic sheet with a splicing ear and is connected, described splicing ear circumscripted power line; Described connecting rod and electroconductive elastic sheet touch, connecting rod and electroconductive elastic sheet interoperation.
10. micro temperature-sensitive magnetic control switch easy to assembly according to claim 9, is characterized in that, the blind end cover of described shell has the rotation sliding sleeve.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310024463.7A CN103107045B (en) | 2013-01-23 | 2013-01-23 | A kind of micro temperature-sensitive magnetic control switch easy to assembly |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310024463.7A CN103107045B (en) | 2013-01-23 | 2013-01-23 | A kind of micro temperature-sensitive magnetic control switch easy to assembly |
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| CN103107045A true CN103107045A (en) | 2013-05-15 |
| CN103107045B CN103107045B (en) | 2016-04-13 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106783383A (en) * | 2017-03-02 | 2017-05-31 | 佛山市川东磁电股份有限公司 | A kind of temperature limiter Tiebar structure |
| TWI611450B (en) * | 2016-12-08 | 2018-01-11 | Wang Yi Xiang | Switch module with built-in surge absorption and double breaking structure |
| CN111599640A (en) * | 2020-05-27 | 2020-08-28 | 宝应安的电子技术有限公司 | Waterproof and explosion-proof type bimetal temperature controller shell and integral packaging intelligent process |
| CN112140302A (en) * | 2020-09-26 | 2020-12-29 | 赵鑫成 | Heat-insulating ceramic cup and preparation method thereof |
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| CN203055786U (en) * | 2013-01-23 | 2013-07-10 | 佛山市川东磁电股份有限公司 | Convenient-assembly micro temperature-sensitive magnetic switch |
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Patent Citations (6)
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| CN2148390Y (en) * | 1992-05-09 | 1993-12-01 | 黄锡祥 | Closed magnetic temperature controller |
| US5578982A (en) * | 1994-01-14 | 1996-11-26 | Cotherm | Temperature limiters |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI611450B (en) * | 2016-12-08 | 2018-01-11 | Wang Yi Xiang | Switch module with built-in surge absorption and double breaking structure |
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| CN112140302A (en) * | 2020-09-26 | 2020-12-29 | 赵鑫成 | Heat-insulating ceramic cup and preparation method thereof |
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|---|---|
| CN103107045B (en) | 2016-04-13 |
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