CN209496786U - Novel intelligent microswitch dry-burning preventing sensor - Google Patents

Abstract

The utility model discloses novel intelligent microswitch dry-burning preventing sensors, including shell, thermistor, cuvette, supporting plate, die casting conductive cover, screw and the second ground line, the interior of shell is equipped with static contact, wherein, the static contact side is fixed with movable contact spring, the movable contact spring side is connected with switch button, the switch button side is socketed with switch reset spring, the thermistor is mounted on static contact side, the static contact side far from thermistor is connected with conducting wire, the cuvette is fixed on shell side, the supporting plate is fixed at the top of cuvette.The novel intelligent microswitch dry-burning preventing sensor is provided with movable contact spring and is capable of fixing on static contact, so that movable contact spring can be fixed switch button, facilitate and designs switch button in middle position, effective solution closes unreliable, the not accurate problem of thermometric with measured face paste as caused by imbalance.

Description

Novel intelligent microswitch dry-burning preventing sensor

Technical field

The utility model relates to microswitch sensor engineering device technique field, specially electric cooker, electric pressure pot, multi-functional The electric appliances such as pot, electric kettle, Boccaro cooker, electromagnetic oven novel intelligent microswitch dry-burning preventing sensor, without pot detection device.

Background technique

Sensor is a kind of detection device, can experience measured information, and the information that can will be experienced, by a set pattern Rule is for conversion into electric signal or the information output of other required forms, to meet transmission, processing, storage, the display, record of information With control etc. require, existing sensor accessory is more, assemble it is relatively complicated, manufacturing cost is higher；And the switch of microswitch Button is located on side, and uneven without between two parties, easily causing inclination in use process, causing sensor to contact with measured object can not It leans on, thermometric is not accurate.

There are many defects, switch button easily causes not novel intelligent microswitch dry-burning preventing sensor currently on the market Balance, it has not been convenient to which switch button starting, microswitch are inconvenient to assemble, therefore micro- there is an urgent need to improve novel intelligent on the market The technology of dynamic switch dry-burning preventing sensor patent graph structure, to improve this equipment.

Utility model content

The purpose of this utility model is to provide novel intelligent microswitch dry-burning preventing sensors, to solve above-mentioned background skill There are many defects, switch button easily causes not the novel intelligent microswitch dry-burning preventing sensor currently on the market that art proposes Balance, it has not been convenient to which switch button starting, microswitch are inconvenient to the problem of assembling.

To achieve the above object, the utility model provides the following technical solutions: a kind of novel intelligent microswitch anti-dry Sensor, including shell, thermistor, cuvette, supporting plate, die casting conductive cover, screw and the second ground line, the interior of shell peace Equipped with static contact, wherein

The static contact side is fixed with movable contact spring, and the movable contact spring side is connected with switch button, the switch button Side is socketed with switch reset spring, and the thermistor is mounted on static contact side, the static contact far from thermistor Side is connected with conducting wire, and the cuvette is fixed on shell side, and the supporting plate is fixed at the top of cuvette, the supporting plate side connection There is felt pad, the felt pad side is connected with conductive cover, and the cuvette side is socketed with outer spring, and described outer spring one end connects It is connected to mounting seat, the mounting seat side is connected with the first ground line, and the die casting conductive cover is connected to felt pad side, The screw is connected to die casting conductive cover side, and second ground line is connected to screw side.

Preferably, the static contact is provided with two groups, and static contact is zigzag shape.

Preferably, stretching structure, and switch button maximal dilation are constituted between the switch button and switch reset spring Size is no more than switch reset spring self-deformation amount.

Preferably, the conducting wire is provided with two groups, and two groups of conducting wires are connected to the both ends of two groups of static contacts.

Preferably, the felt pad and conductive cover are circle, and the center of circle of felt pad and the center of circle of conductive cover are in same On straight line.

Compared with prior art, the utility model has the beneficial effects that the novel intelligent microswitch dry-burning preventing sensor:

1. movable contact spring is provided with to be capable of fixing on static contact, so that movable contact spring can be fixed switch button, side Just switch button being designed in middle position, it is unreliable that effective solution is closed as caused by imbalance with measured face paste, The not accurate problem of thermometric；

2. cuvette is internally provided with shell, so that outer spring can be fixed on the outside of cuvette, thus allow mounting seat with Outer spring stretches, and then when mounting seat is flexible can press switch button, it is convenient can be directly by pressing Mounting seat directly opens switch button, makes to operate more simple；

3. being provided with shell can be coincide and can be installed with stationary contact plate shape by interior shape, so that static contact is logical It crosses bolt movable contact spring is fixed, so that switch button is fixed on inside movable contact spring, switch button side can also be socketed Reset spring is switched, and then thermistor, static contact other end connecting wire, microswitch structure can be fixed at the top of static contact Simply, it is eased, convenient rationally, to install, and can effectively reduce production cost.

Detailed description of the invention

Fig. 1 is the explosive decomposition schematic diagram of the utility model microswitch；

Fig. 2 is the structural schematic diagram of the utility model microswitch；

Fig. 3 is the structural schematic diagram of the first embodiment of the utility model；

Fig. 4 is the structural schematic diagram of the second embodiment of the utility model.

In figure: 1, shell, 2, static contact, 3, movable contact spring, 4, switch button, 5, switch reset spring, 6, thermistor, 7, Conducting wire, 8, cuvette, 9, supporting plate, 10, felt pad, 11, conductive cover, 12, outer spring, 13, mounting seat, the 14, first ground line, 15, die casting conductive cover, 16, screw, the 17, second ground line.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work Every other embodiment obtained, fall within the protection scope of the utility model.

The utility model provides two kinds of technical solutions: embodiment one:

Fig. 1-3, a kind of novel intelligent microswitch dry-burning preventing sensor, including cuvette 8 are please referred to, 8 upper port of cuvette is set There is conductive cover 11, is equipped with microswitch in cuvette 8, it is fixed by supporting plate 9；Microswitch includes shell 1, is equipped in shell 1 Left and right static contact 2 is equipped with slot at the top of shell 1, and thermistor 6 is placed in slot and is contacted by felt pad 10 with conductive cover 11, hot Quick 6 two pins of resistance are connected with left and right static contact 2 respectively；Hole is equipped among movable contact spring 3, switch button 4 penetrates movable contact spring 2 In hole, 5 sets of the reset spring tops in switch button 4 are packed into afterwards in the fixing groove among shell 1, and movable contact spring 3 passes through reset The pressure of spring 5 is connected with left and right static contact 2, is in thermistor 6 by the state of parallel connection short circuit, is exported by conducting wire 7 Resistance signal be it is wrong；Cuvette 8 is connect by outer spring 12 with mounting seat 13, two conducting wires 7 respectively with left and right static contact 2 Lower end is connected, and ground line 14 is connected by modes such as riveting, spot welding with supporting plate 9, when in use, when measured object thermal contact conductance When lid 11 pushes or conductive cover 11 contacts when pressing on measured object, and switch button 4 is in contact with mounting seat 13, certain when reaching Compression distance when, movable contact spring 3 is rapidly separated under the promotion of switch button 4 with left and right static contact 2, and thermistor 6 can be with Export normal resistance signal；Lid 11 is held or when sensor leaves measured object when measured object leaves to lead, the bullet outside of switch button 4 It is separated under the action of spring 12 with mounting seat 13, movable contact spring 3 is replied under the pressure of reset spring 5 to be connect with left and right static contact 2 Logical state, the signal of output error due to by parallel connection short circuit of thermistor 6.

Embodiment two:

Referring to Fig. 4, lid is led in a kind of novel intelligent microswitch dry-burning preventing sensor, including die casting conductive cover 15, die casting Microswitch is equipped in 15, microswitch includes shell 1, and it is equipped with left and right static contact 2 in shell 1, is equipped with slot at the top of shell 1, Thermistor 6 is placed in slot and is contacted by felt pad 10 with die casting conductive cover 15, and 6 two pins of thermistor are quiet with left and right respectively Contact 2 is connected；Hole is equipped among movable contact spring 3, switch button 4 penetrates in the hole of movable contact spring 2,5 sets of reset spring switch by The top of button 4 is packed into afterwards in the fixing groove among shell 1, and movable contact spring 3 is connect by the pressure and left and right static contact 2 of reset spring 5 It is logical, it is in thermistor 6 by the state of parallel connection short circuit, is wrong by the resistance signal that conducting wire 7 exports；Die casting is thermally conductive Lid 15 is connect by outer spring 12 with mounting seat 13, and two conducting wires 7 are connected with 2 lower end of left and right static contact respectively, ground line 17 It is connect by screw 16 with die casting conductive cover 15.Difference between embodiment one and embodiment two is, two shell 1 of embodiment Side is provided with die casting conductive cover 15, and 15 side screw of die casting conductive cover, 16 fix the second ground line 17, and what is be implemented is good It is in that can be attached according to different environment to the second ground line 17, so that fine motion is opened dry-burning preventing sensor and preferably carry out Work.

In the present embodiment, in 1 side of shell, there are vacancy, can be used for pacifying thermal fuse-link Temperature protection dress when needed Set the overcurrent protection, it can be achieved that overheating protection and load excessive.

Working principle: when using the novel intelligent microswitch dry-burning preventing sensor, it is necessary first to micro- to novel intelligent Dynamic switch dry-burning preventing sensor is simply understood, when measured object contact die casting conductive cover 15 pushes, or it is thermally conductive with die casting When pressing on the contact measured object of lid 15, switch button 4 is in contact with mounting base 13, when reaching certain compression distance, moves touching Piece 3 is rapidly separated under the promotion of switch button 4 with left and right static contact 2, and thermistor 6 can export normal resistance signal； When measured object leaves conductive cover 11 or sensor leaves measured object, switch button 4 under the action of outer spring 12 with installation Pedestal 13 separates, and movable contact spring 3 replys the on-state with left and right static contact 2, thermistor under the pressure of switch reset spring 5 6 due to by parallel connection short circuit the signal of output error, the content being not described in detail in this explanation belong to this field professional technique people The prior art well known to member.

Although the utility model is described in detail with reference to the foregoing embodiments, come for those skilled in the art Say, it is still possible to modify the technical solutions described in the foregoing embodiments, or to part of technical characteristic into Row equivalent replacement, within the spirit and principle of the utility model, any modification, equivalent replacement, improvement and so on should all It is included within the scope of protection of this utility model.

Claims (5)

1. a kind of novel intelligent microswitch dry-burning preventing sensor, including shell (1), thermistor (6), cuvette (8), supporting plate (9), die casting conductive cover (15), screw (16) and the second ground line (17), it is characterised in that: be equipped with inside the shell (1) Static contact (2), wherein

Static contact (2) side is fixed with movable contact spring (3), and movable contact spring (3) side is connected with switch button (4), described Switch button (4) side is socketed with switch reset spring (5), and the thermistor (6) is mounted on static contact (2) side, separate The static contact (2) side of thermistor (6) is connected with conducting wire (7), and the cuvette (8) is fixed on shell (1) side, described Supporting plate (9) is fixed at the top of cuvette (8), and supporting plate (9) side is connected with felt pad (10), and felt pad (10) side connects It is connected to conductive cover (11), cuvette (8) side is socketed with outer spring (12), and described outer spring (12) one end is connected with installation bottom Seat (13), supporting plate (9) side are connected with the first ground line (14), and the die casting conductive cover (15) is connected to felt pad (10) Side, the screw (16) are connected to die casting conductive cover (15) side, and second ground line (17) is connected to screw (16) one Side.

2. novel intelligent microswitch dry-burning preventing sensor according to claim 1, it is characterised in that: the static contact (2) two groups are provided with, and static contact (2) is zigzag shape.

3. novel intelligent microswitch dry-burning preventing sensor according to claim 1, it is characterised in that: the switch button (4) stretching structure is constituted between switch reset spring (5), and switch button (4) maximal dilation size is no more than switch and resets Spring (5) self-deformation amount.

4. novel intelligent microswitch dry-burning preventing sensor according to claim 1, it is characterised in that: the conducting wire (7) Two groups are provided with, and two groups of conducting wires (7) are connected to the both ends of two groups of static contacts (2).

5. novel intelligent microswitch dry-burning preventing sensor according to claim 1, it is characterised in that: the felt pad It (10) is circle with conductive cover (11), and the center of circle of the center of circle of felt pad (10) and conductive cover (11) is on same straight line.