CN116504580A

CN116504580A - Temperature controller and thermal fuse integrated structure

Info

Publication number: CN116504580A
Application number: CN202310507425.0A
Authority: CN
Inventors: 雷克和; 颜天宝
Original assignee: Chuandong Magnetic Electronic Co Ltd
Current assignee: Chuandong Magnetic Electronic Co Ltd
Priority date: 2023-05-08
Filing date: 2023-05-08
Publication date: 2023-07-28

Abstract

The invention discloses a temperature controller and thermal fuse link integrated structure, wherein a buffer mechanism is fixedly arranged at the top of a bottom plate, positioning mechanisms are fixedly arranged at the front end and the rear end of the top of the buffer mechanism, and a fusing mechanism is arranged at the top head of the buffer mechanism through the positioning mechanisms; the safety of the electric appliance can be protected through the temperature controller and thermal link integrated structure, the thermal link is used as primary protection, the temperature controller is used as secondary protection, when the over-temperature or electrified current is larger than the rated voltage current, the thermal link is powered off for protection, when the thermal link fails or has abnormal functions, the power is not cut off, the safety is improved, and the occurrence of electric appliances and safety accidents is avoided. A sealing piece is designed at the notch of the outer insulator to prevent the sealant from penetrating into the inner part during the sealant filling. The novel structure has reasonable design, can be produced in batches, is moisture-resistant, electric shock-proof, reliable in action performance and high in safety. The safety performance of the household appliance is improved.

Description

Temperature controller and thermal fuse integrated structure

Technical Field

The invention relates to the technical field of temperature controllers, in particular to a temperature controller and thermal fuse integrated structure.

Background

The bimetal temperature controller is commonly called as a snap-action temperature controller, is widely applied to household appliances, has an overtemperature protection function, and is widely applied to electric appliances such as electric cookers, disinfection cupboards, refrigerators, water heaters, water dispensers, toilets and the like. The snap-action temperature controller is a bimetallic strip temperature controller structure with a metal shell, a plastic shell and a round or flat structure, and is mainly used for overheat protection of various electric heating products, and is usually installed separately and used in series with a thermal fuse body during installation work. The jump type temperature controller is used as a primary protection, and the thermal link is used as a secondary protection when the electric heating element is overtemperature due to failure of the jump type temperature controller, so that the two components are matched for use, and the burning out of the electric heating element and fire accidents caused by the burning out of the electric heating element can be effectively prevented. But this configuration method: when the temperature controller is used as primary protection and the thermal fuse is used as secondary protection, the defect exists, mainly when the current is increased or the instant current is large, the temperature controller is easy to burn out, and the thermal fuse cannot play a role.

Disclosure of Invention

1. Technical problem to be solved

Aiming at the problems existing in the prior art, the invention aims to provide the temperature controller and thermal link integrated structure, which can protect the safety of an electric appliance, takes the thermal link as primary protection, and performs secondary protection on the temperature controller, when the over-temperature or electrified current is larger than the rated voltage current, the thermal link is powered off for protection, and when the thermal link fails or has abnormal functions, the temperature controller is powered off for protection in the secondary mode, so that the safety is improved, and the occurrence of electric appliances and safety accidents is avoided. A sealing piece is designed at the notch of the outer insulator to prevent the sealant from penetrating into the inner part during the sealant filling. The novel structure has reasonable design, can be produced in batches, is moisture-resistant, electric shock-proof, reliable in action performance and high in safety. The safety performance of the household appliance is improved.

2. Technical proposal

In order to solve the problems, the invention adopts the following technical scheme.

The temperature controller and thermal link integrated structure comprises a bottom plate, wherein a buffer mechanism is fixedly arranged at the top of the bottom plate, positioning mechanisms are fixedly arranged at the front end and the rear end of the top of the buffer mechanism, a fusing mechanism is arranged at the top head of the buffer mechanism through the positioning mechanisms, and a linkage mechanism is arranged at the left end of the outer side of the positioning mechanism;

the fusing mechanism comprises an outer insulator, the outer insulator is arranged on the inner side of the positioning mechanism, an inner insulator is arranged in the outer insulator, a movable contact and a static contact are respectively arranged on the left side and the right side of the top in the inner insulator through rivets, a movable contact and a static contact are respectively arranged on the inner side of the static contact and the inner side of the movable contact, the movable contact and the static contact are mutually attached and connected, a pressing block is arranged on the right side of the top of the movable contact, a bimetallic strip is arranged at the bottom of the movable contact in the middle of the top of the inner insulator, an action rod is arranged on the top of the bimetallic strip, a thermal fuse is arranged on the right side of the rear end of the static contact, a sealing piece is arranged on the right side of the movable contact, and wires are respectively arranged at the front end and the rear end of the sealing piece.

Further, the buffer mechanism comprises buffer springs, the buffer springs are fixedly arranged at four corners of the top of the bottom plate, a top plate is fixedly arranged at the top of the buffer springs, and the positioning mechanisms are arranged at the front end and the rear end of the top plate.

Further, a damper is arranged on the inner side of the buffer spring, the top of the damper is fixedly connected with the bottom of the top plate, and the bottom of the damper is fixedly connected with the top of the bottom plate.

Further, positioning mechanism includes guide rail and card frame, guide rail fixed mounting is in the top front and back both ends of roof, outer insulator sliding connection is in the inboard of guide rail, card frame fixed mounting is in the front and the back of outer insulator, the outside fixed mounting of guide rail has the spill frame, both ends all are equipped with spacing spring in the spill frame, the inner fixed mounting that spacing spring sent out has the card strip, the inboard grafting of card strip is inboard in the card frame.

Further, the overlooking shape of the clamping strip is a right trapezoid, and the inclined plane of the clamping strip is arranged at the inner side of the right end.

Furthermore, a connecting shaft is fixedly arranged on the outer side of the clamping strip, and the outer end of the connecting shaft is fixedly connected with the linkage mechanism.

Further, the link gear comprises a rotating shaft, the rotating shaft is fixedly arranged on the left side of the top plate, the outer surface of the rotating shaft is rotationally connected with a tilting rod, the right end of the tilting rod is fixedly provided with a sliding rail, the inner side of the sliding rail is slidably connected with a sliding block, and the inner side of the sliding block is fixedly connected with the outer end of the connecting shaft.

Furthermore, the left end outside fixed mounting of stick up the pole has the antiskid ribbed tile, equidistant antiskid line that is equipped with in the right side of antiskid ribbed tile, four corners of bottom plate all are equipped with mounting bolt.

3. Advantageous effects

Compared with the prior art, the invention has the advantages that:

(1) The safety of the electric appliance can be protected through the temperature controller and thermal link integrated structure, the thermal link is used as primary protection, the temperature controller is used as secondary protection, when the over-temperature or electrified current is larger than the rated voltage current, the thermal link is powered off for protection, when the thermal link fails or has abnormal functions, the power is not cut off, the safety is improved, and the occurrence of electric appliances and safety accidents is avoided. A sealing piece is designed at the notch of the outer insulator to prevent the sealant from penetrating into the inner part during the sealant filling. The novel structure has reasonable design, can be produced in batches, is moisture-resistant, electric shock-proof, reliable in action performance and high in safety. The safety performance of the household appliance is improved.

(2) Through setting up positioning mechanism for during the use, can insert the inboard of guide rail with the outer insulator between, the inclined plane of card strip is contradicted to the outer insulator this moment, card strip atress is contradicted spacing spring and is contracted, alright insert the outer insulator between the guide rail is inboard, the card strip inserts the inside of card frame this moment, and then alright spacing it, in the use, when needs are dismantled, only need the pulling connecting axle drive card strip conflict spacing spring shrink, the card strip shrink has been contracted the inboard of spill frame this moment, alright take out the insulator from the guide rail is inboard this moment, and then this device of being convenient for is quick assembly disassembly and is changed fusing mechanism during the use, thereby be convenient for change fusing mechanism.

(3) Through setting up link gear for this device is in the during the use, the accessible presses the antiskid ribbed tile and contradicts and drive the stick up the pole and rotate in the pivot, and then alright drive stick up the other end of pole and remove, thereby supplementary drive slide rail outside removes, the slide bar alright drive the slider and draw out the even axle, and then alright take out card strip from card frame inboard, the slider slides in the inboard of guide rail this moment, thereby be convenient for once only draw out two sets of even axles, the further dismouting efficiency of this device during the use that has improved, make things convenient for this device to change, through setting up buffer gear, accessible buffer spring and attenuator are to the roof and the bottom plate between buffering shock attenuation, and then reached better buffer effect, thereby make this device wholly have better buffering stability effect, stability in use has been improved, make things convenient for this device to use.

Drawings

FIG. 1 is a perspective view of the present invention;

FIG. 2 is a schematic diagram of the structure of the present invention;

FIG. 3 is a block diagram of a linkage and positioning mechanism of the present invention;

FIG. 4 is a block diagram of a buffer mechanism according to the present invention;

FIG. 5 is an exploded view of the fusing mechanism of the present disclosure;

FIG. 6 is a schematic view showing the bottom structure of the internal insulator of the present invention

Fig. 7 is a top view of the inner insulator of the present invention.

The reference numerals in the figures illustrate:

1. a bottom plate; 2. a buffer mechanism; 21. a buffer spring; 22. a top plate; 23. a damper; 3. a positioning mechanism; 31. a guide rail; 32. a clamping frame; 33. a concave frame; 34. a limit spring; 35. clamping strips; 36. a connecting shaft; 4. a fusing mechanism; 41. an outer insulator; 42. an inner insulator; 43. a rivet; 44. a movable contact; 45. a stationary contact; 46. a movable contact; 47. a stationary contact; 48. briquetting; 49. bimetallic strips; 410. an action bar; 411. a thermal fuse; 412. a sealing sheet; 413. a wire; 5. a linkage mechanism; 51. a rotating shaft; 52. a tilting rod; 53. a slide rail; 54. a slide block; 55. a cleat; 6. and (5) installing a bolt.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention; it is apparent that the described embodiments are only some embodiments of the present invention, not all embodiments, and that all other embodiments obtained by persons of ordinary skill in the art without making creative efforts based on the embodiments in the present invention are within the protection scope of the present invention.

In the description of the present invention, it should be noted that the positional or positional relationship indicated by the terms such as "upper", "lower", "inner", "outer", "top/bottom", etc. are based on the positional or positional relationship shown in the drawings, are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "configured to," "engaged with," "connected to," and the like are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.

Examples:

referring to fig. 1, a temperature controller and thermal link integrated structure comprises a bottom plate 1, wherein a buffer mechanism 2 is fixedly arranged at the top of the bottom plate 1, positioning mechanisms 3 are fixedly arranged at the front end and the rear end of the top of the buffer mechanism 2, a fusing mechanism 4 is arranged at the top head of the buffer mechanism 2 through the positioning mechanisms 3, and a linkage mechanism 5 is arranged at the left end of the outer side of the positioning mechanisms 3;

the fusing mechanism 4 comprises an outer insulator 41, the outer insulator 41 is arranged on the inner side of the positioning mechanism 3, an inner insulator 42 is arranged in the outer insulator 41, a movable contact 44 and a static contact 45 are respectively arranged on the left side and the right side of the top in the inner insulator 42 through rivets 43, a movable contact 46 and a static contact 47 are respectively arranged on the inner side of the static contact 45 and the inner side of the movable contact 44, the movable contact 46 and the static contact 47 are mutually attached and connected, a pressing block 48 is arranged on the right side of the top of the movable contact 44, a bimetallic strip 49 is arranged at the bottom of the movable contact 44 in the middle of the top of the inner insulator 42, an action rod 410 is arranged on the top of the bimetallic strip 49, a thermal fuse 411 is arranged on the right side of the rear end of the static contact 45, a sealing strip 412 is arranged on the right side of the movable contact 44, and wires 413 are respectively arranged on the front end and the rear end of the sealing strip 412.

The structure is composed of an outer insulator 41, mounting holes are respectively formed in two sides of the outer insulator 41, grooves are formed in the middle tops of the inner insulator 42 and the inner insulator 42, an action mechanism is placed in the grooves, grooves for placing bimetallic strips 49 are formed in the middle of the bottom of the inner insulator 42, a small round hole is formed in the middle of the grooves and is used for placing an action rod 410, grooves for placing thermal fuses 411 are formed in the side faces of the inner insulator 42, and the design scheme is composed of the bimetallic strips 49, the action rod 410, the movable contact strips 44, the fixed contact strips 45, the movable contact points 46, the fixed contact points 47, pressing blocks 48, rivets 43, the outer insulator 41, lead 413 assemblies, sealing strips 412, thermal fuses 411 and the like. The new structure can improve the safety of the electric appliance, the thermal fuse 411 is used as the primary protection, and the temperature controller is used as the secondary protection. In addition, the notches on two sides of the middle of the insulator 41 are enlarged, so that the main purpose is that an internal actuating mechanism has sufficient actuating displacement, the notches of the outer insulator 41 are designed with a sealing piece 412, so that the sealing glue is prevented from penetrating into the interior when being filled, the novel structure is simple in design, convenient to install, reliable and crisp in action, moisture-resistant and electric shock-proof, and reliable in action performance, and the actuating mechanism consists of a bimetallic strip 49, a rivet 43, an actuating rod 410, a sealing piece 412, a wire 413 component, a movable contact 44, a wire 413 component, a pressing block 48, a movable contact 46, a fixed contact 47, a fixed contact 45 and the like, and a thermal fuse 411 is placed in a groove on the side. The invention is an integrated structure of the temperature controller and the thermal fuse 411, performs over-temperature protection, two-stage safety protection, has reasonable new structural design, can be produced in batch, and has the advantages of moisture resistance, electric shock resistance, reliable action performance and high safety.

Referring to fig. 1, 2 and 3, the buffer mechanism 2 includes a buffer spring 21, the buffer spring 21 is fixedly mounted at four corners of the top of the bottom plate 1, a top plate 22 is fixedly mounted at the top of the buffer spring 21, and the positioning mechanism 3 is disposed at front and rear ends of the top plate 22; through setting up roof 22, can play better cushioning effect through the buffer spring 21 on the roof 22 during the use, improve the stability of this device.

Referring to fig. 1, 2 and 3, a damper 23 is arranged on the inner side of the buffer spring 21, the top of the damper 23 is fixedly connected with the bottom of the top plate 22, and the bottom of the damper 23 is fixedly connected with the top of the bottom plate 1; through setting up attenuator 23, accessible attenuator 23 carries out further buffering shock attenuation damping, and then further has improved the buffering effect of this device.

Referring to fig. 1-3, the positioning mechanism 3 includes a guide rail 31 and a clamping frame 32, the guide rail 31 is fixedly mounted at front and rear ends of the top plate 22, the outer insulator 41 is slidably connected to the inner side of the guide rail 31, the clamping frame 32 is fixedly mounted on the front and back surfaces of the outer insulator 41, a concave frame 33 is fixedly mounted on the outer side of the guide rail 31, limiting springs 34 are arranged at two ends in the concave frame 33, a clamping strip 35 is fixedly mounted at the inner end of the limiting springs 34, the inner side of the clamping strip 35 is inserted into the inner side of the clamping frame 32, the overlooking shape of the clamping strip 35 is a right trapezoid, the inclined surface of the clamping strip 35 is arranged at the inner side of the right end, the overlooking shape of the clamping strip 35 is a right trapezoid, and the inclined surface of the clamping strip 35 is arranged at the inner side of the right end; through setting up positioning mechanism 3 for this device is in the use period, and accessible spacing spring 34 contradicts card strip 35 and peg graft in card frame 32 inboard, and then alright outside insulator 41 carries out spacingly, thereby is convenient for this device installs, facilitates the use, sets up card strip 35 and is right trapezoid and the inclined plane sets up in right-hand member inboard, can assist the direction, and the quick installation of being convenient for only need draw the fixture block shrink to leave card frame 32 through pulling connecting axle 36 when dismantling, and then is convenient for dismantle outer insulator 41 fast.

Referring to fig. 1-3, the linkage mechanism 5 comprises a rotating shaft 51, the rotating shaft 51 is fixedly arranged at the left side of the top plate 22, a tilted rod 52 is rotatably connected to the outer surface of the rotating shaft 51, a sliding rail 53 is fixedly arranged at the right end of the tilted rod 52, a sliding block 54 is slidingly connected to the inner side of the sliding rail 53, the inner side of the sliding block 54 is fixedly connected with the outer end of the connecting shaft 36, a antiskid plate 55 is fixedly arranged at the outer side of the left end of the tilted rod 52, antiskid patterns are arranged at the right side of the antiskid plate 55 at equal intervals, and mounting bolts 6 are arranged at four corners of the bottom plate 1; through setting up link gear 5 for this device is in the use period, the accessible presses down and sticks up pole 52 and rotate on pivot 51, and then alright drive slider 54 and guide rail 31 outside and remove, and slider 54 draws together the axle 36 simultaneously in the inboard slip of guide rail 31, and then is convenient for this device carries out quick assembly disassembly, makes things convenient for this device to use, through setting up antiskid plate 55 and the antiskid line in its outside, accessible presses antiskid plate 55 and drives sticks up pole 52 and rotates, and then conveniently adjusts, and sets up mounting bolt 6, can be convenient for come PMKD 1 through mounting bolt 6, make things convenient for this device to install fast, make things convenient for this device to use.

The use principle and the advantages in the invention are as follows: in the use process, by taking the thermal link 411 as a primary protection and taking the temperature controller as a secondary protection, when the over-temperature or electrified current is larger than the rated voltage current, the thermal link 411 is in power-off protection, and when the thermal link 411 fails or is in abnormal function, the power is not cut off, and then the temperature controller is in secondary power-off protection, so that the safety is improved, and electric appliances and safety accidents are avoided. A sealing piece 412 is provided in the notch of the outer insulator 41 to prevent the penetration into the inside when the sealant is filled. The novel structure has reasonable design, can be produced in batches, is moisture-resistant, electric shock-proof, reliable in action performance and high in safety. The improvement domestic appliance's security performance to after thermal link 411 breaks, contradict through pressing antiskid plate 55 and drive the perk pole 52 and rotate on pivot 51, and then alright drive the other end of perk pole 52 and remove, thereby supplementary drive slide rail 53 outside removes, the slide bar alright drive slider 54 draws mandrel 36, and then alright draw out card strip 35 from card frame 32 inboard, slider 54 slides in the inboard of guide rail 31 this moment, thereby be convenient for once only draw out two sets of mandrel 36, mandrel 36 drives card strip 35 and contradicts spacing spring 34 shrink, card strip 35 shrink has been contracted to the inboard of spill frame 33 this moment, alright take out the insulator from the guide rail 31 inboard this moment, and then be convenient for this device only need insert outer insulator 41 between the inboard of guide rail 31 during the use, this moment outer insulator 41 contradicts the inclined plane of card strip 35, card strip 35 atress contradicts spacing spring 34 shrink, alright insert between the guide rail 31 inboard this moment, card strip 35 inserts the inside of card frame 32 and can accomplish the installation, accessible buffer spring 21 and bottom plate 23 have carried out between the guide rail 31, thereby the stability is good, and the damping device has been used to have improved, and the stability is stable, and the effect is convenient for use.

The above description is only of the preferred embodiments of the present invention; the scope of the invention is not limited in this respect. Any person skilled in the art, within the technical scope of the present disclosure, may apply to the present invention, and the technical solution and the improvement thereof are all covered by the protection scope of the present invention.

Claims

1. The utility model provides a temperature controller and thermal link integrated configuration, includes bottom plate, its characterized in that: the top of the bottom plate is fixedly provided with a buffer mechanism, the front end and the rear end of the top of the buffer mechanism are fixedly provided with positioning mechanisms, the top head of the buffer mechanism is provided with a fusing mechanism through the positioning mechanisms, and the left end of the outer side of the positioning mechanism is provided with a linkage mechanism;

2. The thermostat and thermal link integrated structure of claim 1, wherein: the buffer mechanism comprises buffer springs, the buffer springs are fixedly arranged at four corners of the top of the bottom plate, a top plate is fixedly arranged at the top of the buffer springs, and the positioning mechanisms are arranged at the front end and the rear end of the top plate.

3. The thermostat and thermal link integrated structure of claim 2, wherein: the inner side of the buffer spring is provided with a damper, the top of the damper is fixedly connected with the bottom of the top plate, and the bottom of the damper is fixedly connected with the top of the bottom plate.

4. A thermostat and thermal link integrated structure as set forth in claim 3 wherein: the positioning mechanism comprises a guide rail and a clamping frame, the guide rail is fixedly arranged at the front end and the rear end of the top plate, the outer insulator is in sliding connection with the inner side of the guide rail, the clamping frame is fixedly arranged on the front surface and the back surface of the outer insulator, a concave frame is fixedly arranged on the outer side of the guide rail, limiting springs are arranged at the two ends in the concave frame, clamping strips are fixedly arranged at the inner ends of the limiting springs, and the inner sides of the clamping strips are spliced on the inner sides of the clamping frames.

5. The thermostat and thermal fuse integrated structure of claim 4, wherein: the overlook shape of card strip is right trapezoid, the inclined plane of card strip sets up in right-hand member inboard.

6. The thermostat and thermal fuse integrated structure of claim 5, wherein: the outside of card strip fixed mounting has the connecting axle, the outer end and the link gear fixed connection of connecting axle.

7. The thermostat and thermal link integrated structure of claim 6 wherein: the linkage mechanism comprises a rotating shaft, the rotating shaft is fixedly arranged on the left side of the top plate, the outer surface of the rotating shaft is rotationally connected with a tilting rod, the right end of the tilting rod is fixedly provided with a sliding rail, the inner side of the sliding rail is slidably connected with a sliding block, and the inner side of the sliding block is fixedly connected with the outer end of the connecting shaft.

8. The thermostat and thermal link integrated structure of claim 7 wherein: the left end outside fixed mounting of stick up the pole has the antiskid ribbed tile, equidistant antiskid ribbed tile's right side, four corners of bottom plate all are equipped with mounting bolt.