CN111446107A - Protector and have its heater - Google Patents

Abstract

The present invention relates to a protector and a heater, including: the device comprises a fixing structure, a first reed, a second reed, a third reed, a first terminal, a second terminal, an adjusting device and a swinging piece; the first reed is extruded by the adjusting device, so that the second reed drives the first contact on the third reed to be combined with the contact of the second terminal, and the temperature can be adjusted; through the cooperation of the swinging piece and the third reed, when the heater topples, the first contact and the second contact of the heater can be disconnected, and the toppling protection function is realized. The invention realizes the function that one element replaces two elements, namely the adjustable temperature controller and the dumping switch. The cost of the warmer is reduced, the circuit design is simplified, the wiring structure in the warmer is simpler, and the wiring design is simplified.

Description

Protector and have its heater

Technical Field

The invention relates to the field of temperature control, in particular to a protector and a heater with the same.

Background

The existing traditional warmer generally comprises electric elements such as a gear switch, a dumping switch and an adjustable temperature controller, wherein the gear switch is used for adjusting different powers, the adjustable temperature controller is used for controlling and adjusting a temperature protector, the dumping switch plays a role in dumping power-off protection, each part plays its own role, each part independently realizes respective functions, and the material cost is increased invisibly in the configuration, so that the problem of production and assembly efficiency is reduced.

Disclosure of Invention

In view of this, the present invention provides a protector, which realizes the function of replacing two components, namely an adjustable temperature controller and a tilt switch, with one component. The cost of the warmer is reduced, the circuit design is simplified, the wiring structure in the warmer is simpler, and the wiring design is simplified.

Specifically, the method comprises the following steps: a protector, comprising: the device comprises a fixing structure, a first reed, a second reed, a third reed, a first terminal, a second terminal, an adjusting device and a swinging piece; the first spring plate has a first end and a second end; the second reed is provided with a third end and a fourth end; the third spring plate has a fifth end and a sixth end; the first reed is electrically connected with the first terminal, and the first end of the first reed is fixedly connected with the fixed structure; the second end of the first reed is fixed with the fourth end of the second reed, and the third end of the second reed is a free end: a first contact is formed at the fifth end of the third reed, the fifth end is a free end, and the sixth end is fixed with the third end of the second reed; the swinging piece comprises a swinging arm and a heavy object, and can swing relative to the fixed structure; a second contact is formed on the second terminal; the adjusting device can move relative to the fixed structure, so that pressure can be applied to the first reed, after the first reed is stressed, the first reed applies pressure to the second reed, the free end of the second reed moves, and the free end of the second reed drives the free end of the third reed to move, so that the first contact is contacted with the second contact; when the fixed structure inclines to a preset degree, the swing arm can swing to a preset position relative to the fixed structure to apply force to the third reed, so that the first contact on the third reed is disconnected with the second contact.

Preferably, the fixing structure comprises a first fixing plate and a second fixing plate, and the first fixing plate and the second fixing plate are fixed together through a first connecting piece.

Preferably, the first connecting piece passes through the first fixing piece, the first terminal, the first spring piece, the second terminal and the second fixing piece to fix the first connecting piece, the first terminal, the first spring piece, the second terminal and the second fixing piece together.

Preferably, a first insulating ring is further arranged between the first fixing piece and the first terminal, a second insulating ring is arranged between the first spring piece and the second terminal, and a third insulating ring is arranged between the second terminal and the second fixing piece; the first connecting piece penetrates through the first insulating ring, the second insulating ring and the third insulating ring.

Preferably, a first groove is formed on the swing arm, the first pressing structure and the second pressing structure are respectively located on two sides of the first groove, when the swing arm swings leftwards, the first pressing structure can apply pressure to the third reed, and when the swing arm swings rightwards, the second pressing structure can apply pressure to the third reed.

Preferably, the third spring plate is further provided with a tapered portion, and the first pressing structure and the second pressing structure can apply pressure to the third spring plate by pressing the tapered portion.

Preferably, the adjustment device is rotatable relative to the fixed structure so that the adjustment device can move back and forth relative to the fixed structure.

Preferably, the adjusting device is further fixedly provided with a first porcelain column, and pressure is applied to the first reed through the first porcelain column.

Preferably, the second fixing piece is further fixed to one end of the second knob insulator, a tapered structure is formed at the other end of the second knob insulator, and the second end of the first reed and the fourth end of the second reed are sleeved and fixed to the other end of the second knob insulator.

In addition, the invention provides a heater comprising the protector. .

The protector provided by the embodiment of the invention has the advantages that the adjustable temperature controller with the dual functions of temperature adjustment and power failure during falling down is produced and assembled, the working procedures are reduced, the production efficiency is high, the material cost is lower, and the market competitiveness of the product is improved.

It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the disclosure.

Drawings

The above and other objects, features and advantages of the present disclosure will become more apparent by describing in detail exemplary embodiments thereof with reference to the attached drawings. The drawings described below are merely some embodiments of the present disclosure, and other drawings may be derived from those drawings by those of ordinary skill in the art without inventive effort.

Fig. 1 is a perspective view of a protector according to an embodiment of the present invention.

Fig. 2 is a schematic front view of a protector according to an embodiment of the present invention.

Fig. 3 is a schematic side view of a protector according to an embodiment of the invention.

Fig. 4 is a perspective view of another perspective of a protector according to an embodiment of the present invention.

Fig. 5 is a schematic perspective view of a protector from yet another perspective in accordance with an embodiment of the present invention.

Fig. 6 is one of the exploded schematic views of a protector according to an embodiment of the present invention.

Fig. 7 is a second exploded view of the protector of the present embodiment.

Figure 8 is a schematic view of the fitting of the oscillating member and the third leaf spring of the protector according to the embodiment of the invention.

Wherein: 11-first stator, 12-second stator, 2-adjustment device, 31-first terminal, 32-second terminal, 41-first insulating ring, 42-second insulating ring, 43-third insulating ring, 51-first reed, 52-second reed, 53-third reed, 531-cone, 61-weight, 62-swing arm, 63-pendulum rivet, 64-swing arm rivet, 65-first slot, 71-first knob, 72-second knob, 8-first connector, 91-first contact, 92-second contact.

Detailed Description

Example embodiments will now be described more fully with reference to the accompanying drawings. Example embodiments may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein; rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the concept of example embodiments to those skilled in the art. The same reference numerals denote the same or similar parts in the drawings, and thus, a repetitive description thereof will be omitted.

Furthermore, the described features, structures, or characteristics may be combined in any suitable manner in one or more embodiments. In the following description, numerous specific details are provided to give a thorough understanding of embodiments of the disclosure. One skilled in the relevant art will recognize, however, that the subject matter of the present disclosure can be practiced without one or more of the specific details, or with other methods, components, devices, steps, and so forth. In other instances, well-known methods, devices, implementations, or operations have not been shown or described in detail to avoid obscuring aspects of the disclosure.

It will be understood that, although the terms first, second, third, etc. may be used herein to describe various structures, these structures should not be limited by these terms. These terms are used to distinguish one structure from another structure. Thus, a first structure discussed below may be termed a second structure without departing from the teachings of the disclosed concept. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

It is to be understood by those skilled in the art that the drawings are merely schematic representations of exemplary embodiments, and that the blocks or processes shown in the drawings are not necessarily required to practice the present disclosure and are, therefore, not intended to limit the scope of the present disclosure.

The following detailed description of embodiments of the invention is provided in conjunction with the accompanying drawings of fig. 1-8:

the embodiment of the invention provides a protector which is a multifunctional safety protector with dual functions of temperature regulation and power failure caused by falling down. One part of the invention realizes the function of an adjustable temperature controller, and the other part realizes the function of a fall switch. In the production equipment product, need not assemble adjustable temperature controller simultaneously and fall and turn on two kinds of electrical parts of light, only need assemble this scheme electrical part. Therefore, the working procedures can be reduced, and the production efficiency is improved. The cost is reduced, and the market competitiveness of the product is improved.

The protector of the embodiment of the invention, the multifunctional protector of the invention comprises a temperature control regulating system and a dumping protection system. The method comprises the following steps: the fixing structure, the first spring piece 51, the second spring piece 52, the third spring piece 53, the first terminal 31, the second terminal 32, the adjusting device 2 and the swinging piece; the first reed 51 has a first end and a second end; second leaf spring 52 has a third end and a fourth end; the third leaf 53 has a fifth end and a sixth end; the first reed 51 is electrically connected with the first terminal 31, and the first end of the first reed 51 is fixedly connected with the fixed structure; the second end of the first reed 51 is fixed with the fourth end of the second reed 52, and the third end of the second reed 52 is a free end: a first contact 91 is formed on the fifth end of the third reed 53, the fifth end is a free end, and the sixth end is fixed with the third end of the second reed 52; the oscillating member comprises an oscillating arm 62 and a weight 61, which can oscillate with respect to the fixed structure; a second contact 92 is formed on the second terminal 32; the adjusting device 2 can move relative to the fixed structure, so that pressure can be applied to the first reed 51, after the first reed 51 is stressed, the first reed 51 applies pressure to the second reed 52, the free end of the second reed 52 moves, the free end of the second reed 52 drives the free end of the third reed 53 to move, and therefore the first contact 91 is contacted with the second contact 92; when the fixed structure is inclined to a preset degree, the swing arm 62 can swing to a preset position relative to the fixed structure to apply pressure to the third spring plate 53, so that the first contact 91 on the third spring plate 53 is disconnected from the second contact 92. The preset degree can be specifically set according to actual needs, and if the preset degree is determined according to the inclination degree of the heater, when the inclination angle is less, if the inclination angle is moved, the inclination protection cannot be caused, and only when the inclination angle reaches a certain degree, the toppling protection is triggered.

The fixing structure comprises a first fixing plate 11 and a second fixing plate 12, and the first fixing plate 11 and the second fixing plate 12 are fixed together through a first connecting piece 8. Wherein the first connecting member 8 may be a hollow rivet.

The first connecting piece 8 passes through the first fixing piece 11, the first terminal 31, the first spring piece, the second terminal 32 and the second fixing piece 12 to fix them together. A first insulating ring 41 is arranged between the first fixing piece 11 and the first terminal 31, a second insulating ring 42 is arranged between the first spring piece and the second terminal 32, and a third insulating ring 43 is arranged between the second terminal 32 and the second fixing piece 12; the first connecting member 8 passes through the first, second, and third insulating rings 43.

The adjustment device 2 is rotatable relative to the fixed structure so that the adjustment device 2 can move back and forth relative to the fixed structure. The adjusting device 2 is further fixedly provided with a first knob insulator 71, and the first spring 51 is pressed by the first knob insulator 71.

The second fixing plate 12 is further fixed to one end of a second knob insulator 72, a tapered structure is formed at the other end of the second knob insulator 72, and the second end of the first spring 51 and the fourth end of the second spring 52 are sleeved and fixed to the other end of the second knob insulator 72.

The swing arm 62 is formed with a first groove 65, and the first pressing structure and the second pressing structure are respectively located on two sides of the first groove 65, and when the swing arm 62 swings to the left, the first pressing structure can apply pressure to the third reed 53, and when the swing arm 62 swings to the right, the second pressing structure can apply pressure to the third reed 53. As shown in fig. 8, a tapered part 531 is fixed to the third spring plate 53, the tapered part 531 is located in the first groove 65 when the heater is not tilted, and the first pressing structure and the second pressing structure press the tapered part 531 when the swing arm 62 moves left and right, thereby applying pressure to the third spring plate 53, and separating the first contact 91 and the second contact 92 on the third spring plate 53.

The adjusting device 2 of the embodiment of the invention is further provided with a limiting piece, the limiting piece is used for limiting the rotation angle of the adjusting device 2 relative to the first fixing piece 11, and the adjusting device 2 can be an adjusting rod.

The first insulating ring 41, the second insulating ring 42, and the third insulating ring 43 according to an embodiment of the present invention may be first, second, and third ceramic rings.

The swing arm 62 of the embodiment of the present invention is provided with a swing arm rivet 64, and the swing arm 62 is rotatably fixed to the second terminal 32 by the swing arm rivet 64, or fixed to an intermediate connector fixed to the second terminal 32. The weight 61 is fixed to the swing arm 62 by a pendulum rivet 63.

The first and second contacts 91 and 92 according to the embodiment of the present invention may be contact rivets.

When the function of adjusting the temperature is realized, the adjusting device 2 is rotated clockwise from the off state, the adjusting device 2 pushes the first knob insulator 71 to move left, the first reed 51 is pressed, the elastic structure of the first reed 51 deforms due to stress, the second reed 52 is driven, the third reed 53 fixed with the second reed 52 is driven, and the first contact 91 (rivet) on the third reed 53 contacts with the second contact 92 (rivet) on the second terminal 32, so that a passage is generated. It is within the scope of the invention that the first leaf spring 51 and the second leaf spring 52 may be two parts of a single assembly.

The adjustment device 2 is rotated approximately 120 from the initial position and a "drop" is heard, indicating that the circuit is closed. The adjusting device 2 is continuously rotated to the end, which is the effective position of the adjustable thermostat for controlling the temperature, and the pressing force generated on the first reed 51 is gradually increased from the circuit connection to the position of the adjusting device 2 rotated to the end, so that the pressing force generated on the second reed 52 is gradually increased. The second spring plate 52 is a temperature control spring plate for detecting temperature, when the second spring plate 52 is stressed less, the temperature sensed by the second spring plate 52 is less, otherwise, the sensed temperature is greater. The pressing force is small, and a relatively low temperature is required, so that the second spring plate 52 can be sprung open, and the first contact 91 and the second contact 92 can be separated; the pressing force is large, and a relatively high temperature is needed to spring the second spring plate 52 open to break the circuit, so that the temperature is controlled and regulated by the principle.

When the fall power-off protection function is realized, when the heater or the fixed structure is seriously inclined or falls down, the pendulum bob is inclined leftwards (the same principle rightwards) under the action of gravity, so that the swing arm 62 is driven to incline leftwards or rightwards, the third reed 53 is supported by the structure on the swing arm 62, and the third reed 53 and the second reed 52 can be connected together by a rivet, so that a contact point can be cut, a circuit is disconnected, and the power-off protection function is realized.

In addition, the invention provides a heater comprising the protector. Through the protector can realize temperature regulation, overheat protection simultaneously, topples over the function of protection. The fixing structure of the embodiment of the present invention may be a part of the housing of the heater, or may be a separate component fixed on the housing of the heater, and all of them are within the protection scope of the present invention.

Has the advantages that:

according to the protector and the heater, the first reed is extruded by the adjusting device, so that the second reed drives the first contact on the third reed to be combined with the contact of the second terminal, and temperature adjustment can be achieved; through the cooperation of the swinging piece and the third reed, when the heater topples, the first contact and the second contact of the heater can be disconnected, and the toppling protection function is realized. The invention realizes the function that one element replaces two elements, namely the adjustable temperature controller and the dumping switch. The cost of the warmer is reduced, the circuit design is simplified, the wiring structure in the warmer is simpler, and the wiring design is simplified.

Exemplary embodiments of the present disclosure are specifically illustrated and described above. It is to be understood that the present disclosure is not limited to the precise arrangements, instrumentalities, or instrumentalities described herein; on the contrary, the disclosure is intended to cover various modifications and equivalent arrangements included within the spirit and scope of the appended claims.

Claims (10)

1. A protector, characterized by: the method comprises the following steps: the device comprises a fixed structure, a first spring plate (51), a second spring plate (52), a third spring plate (53), a first terminal (31), a second terminal (32), an adjusting device (2) and a swinging piece; the first spring leaf (51) has a first end and a second end; the second reed (52) has a third end and a fourth end; the third reed (53) has a fifth end and a sixth end;

the first reed (51) is electrically connected with the first terminal (31), and the first end of the first reed (51) is fixedly connected with the fixed structure; the second end of the first reed (51) is fixed with the fourth end of the second reed (52), the third end of the second reed (52) is a free end:

a first contact (91) is formed at the fifth end of the third reed (53), the fifth end is a free end, and the sixth end is fixed with the third end of the second reed (52);

the swinging piece comprises a swinging arm (62) and a heavy object (61), and can swing relative to the fixed structure;

a second contact (92) is formed on the second terminal (32);

the adjusting device (2) can move relative to the fixed structure, so that pressure can be applied to the first reed (51), after the first reed (51) is stressed, the first reed (51) applies pressure to the second reed (52), the free end of the second reed (52) moves, and the free end of the second reed (52) drives the free end of the third reed (53) to move, so that the first contact (91) is contacted with the second contact (92);

when the fixed structure is inclined to a preset degree, the swing arm (62) can swing to a preset position relative to the fixed structure to apply force pressure to the third spring piece (53), so that the first contact (91) on the third spring piece (53) is disconnected from the second contact (92).

2. The protector of claim 1, wherein: the fixing structure comprises a first fixing piece (11) and a second fixing piece (12), wherein the first fixing piece (11) and the second fixing piece (12) are fixed together through a first connecting piece (8).

3. The protector of claim 2, wherein: the first connecting piece (8) penetrates through the first fixing piece (11), the first terminal (31), the first spring piece, the second terminal (32) and the second fixing piece (12) to fix the first connecting piece and the second connecting piece together.

4. The protector of claim 3, wherein: a first insulating ring (41) is arranged between the first fixing piece (11) and the first terminal (31), a second insulating ring (42) is arranged between the first spring piece and the second terminal (32), and a third insulating ring (43) is arranged between the second terminal (32) and the second fixing piece (12); the first connecting piece (8) penetrates through the first, second and third insulating rings (43).

5. A protector according to any of claims 1-4, wherein: a first groove (65) is formed in the swing arm (62), the first extrusion structure and the second extrusion structure are located on two sides of the first groove (65), and when the swing arm (62) swings leftwards or rightwards, the first extrusion structure or the second extrusion structure can apply pressure to the third reed (53).

6. The protector of claim 5, wherein: the third spring piece (53) is also provided with a conical part (531), and the first pressing structure and the second pressing structure can apply pressure to the third spring piece (53) by pressing the conical part (531).

7. The protector according to any one of claims 1-4, 6, wherein: the adjusting device (2) can rotate relative to the fixed structure, so that the adjusting device (2) can move forwards and backwards relative to the fixed structure.

8. The protector according to any one of claims 1-4, 6, wherein: the adjusting device (2) is also fixedly provided with a first knob insulator (71), and pressure is applied to the first reed (51) through the first knob insulator (71).

9. A protector according to any of claims 2-4, wherein: the second fixing piece (12) is fixed with one end of a second porcelain column (72), the other end of the second porcelain column (72) is provided with the conical structure, and the second end of the first reed (51) and the fourth end of the second reed (52) are sleeved and fixed at the other end of the second porcelain column (72).

10. A heater, characterized by: comprising a protector according to any one of claims 1 to 9.

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