CN213395470U - Temperature detecting device and heating appliance - Google Patents

Abstract

The utility model provides a temperature detecting device and a heating appliance, wherein the temperature detecting device comprises a temperature measuring part (40), an outer cylinder (50) and an inner cylinder (60) which is at least partially positioned in the outer cylinder (50), the temperature measuring part (40) is positioned in the outer cylinder (50), and the temperature measuring end of at least part of the temperature measuring part (40) penetrates out from the top end of the outer cylinder (50); the inner wall of the outer barrel (50) is provided with a water guide inclined plane (51) inclined towards the bottom end of the outer barrel (50), the inner barrel (60) is provided with a drain hole (61) communicated with the inside of the inner barrel (60), and the drain hole (61) is used for draining liquid flowing down from the water guide inclined plane (51) into the water collecting tank (12). The utility model provides a temperature detection device and heating utensil has solved among the prior art liquid and has easily penetrated in the electromagnetism stove and then lead to the components and parts in the drain pan short circuit to appear or the problem of burning machine.

Description

Temperature detecting device and heating appliance

Technical Field

The utility model relates to a household electrical appliances technical field especially relates to a temperature detecting device and heating utensil.

Background

The induction cooker is an electric cooking appliance manufactured by utilizing an electromagnetic induction heating principle, wherein in order to better control heating power in the use process of the induction cooker, the temperature of a cooker is often detected in the use process of the induction cooker.

At present, the electromagnetism stove is mainly measured the temperature measurement spare that sets up in the drain pan of electromagnetism stove to the measurement of pan temperature, it is specific, set up the temperature measurement hole that can supply the temperature measurement end of temperature measurement spare to stretch out in the backup pad, the temperature measurement end of temperature measurement spare is outwards stretched out through the temperature measurement hole, the temperature measurement spare is through the flexible setting of extensible member on the electromagnetism stove, place the backup pad when the pan like this, the temperature measurement end of temperature measurement spare is impressed in the temperature measurement hole, make the temperature measurement end of temperature measurement spare and the bottom of a boiler in close contact with of pan under the elastic force drive of extensible member, thereby realize accurate temperature measurement.

However, in the using process, liquid is easy to infiltrate into the electromagnetic oven from the gap between the temperature measuring part and the temperature measuring hole, so that components in the bottom shell are easy to malfunction.

SUMMERY OF THE UTILITY MODEL

The utility model provides a temperature detection device and heating utensil helps solving the liquid and easily permeates in the electromagnetism stove and then leads to the problem that the components and parts in the drain pan easily break down.

An embodiment of the utility model provides an aspect provides a temperature detection device, is applicable to the heating utensil, include: the temperature measuring device comprises a temperature measuring part, an outer cylinder and an inner cylinder at least partially positioned in the outer cylinder, wherein the temperature measuring end of the temperature measuring part penetrates out of the top end of the outer cylinder;

and a water guide inclined plane inclined towards the bottom end of the outer barrel is arranged on the inner wall of the outer barrel, a drain hole communicated with the inside of the inner barrel is formed in the inner barrel, and the drain hole is used for draining liquid into a water collecting tank on the inner bottom surface of the heating appliance.

The temperature detecting device provided by the embodiment comprises an outer cylinder of the temperature detecting part and an inner cylinder at least partially positioned in the outer cylinder, a cavity is surrounded by a supporting part and a bottom shell, a heating device and the temperature detecting part are arranged in the cavity, a temperature detecting hole is arranged on the supporting part, and a temperature detecting end of the temperature detecting part penetrates out of the top end of the outer cylinder; and the inner wall of the outer cylinder is provided with a water guide inclined plane which inclines towards the inner bottom surface of the bottom shell, the inner cylinder is provided with a drain hole communicated with the inner part of the inner cylinder, and the drain hole is used for draining the liquid into a water collecting tank on the inner bottom surface of the heating appliance. By arranging the water guide inclined plane, when soup or water on the supporting part enters the water guide inclined plane, the water guide inclined plane can play a role in guiding, so that water stains can flow into the water drainage hole along the direction of the water guide inclined plane and can be drained into the water collection tank through the water drainage hole, the problem that the water stains on the supporting part directly enter the heating appliance through the temperature measurement hole is avoided, components inside the cooking appliance are damaged, the normal use of the cooking appliance is ensured, and the temperature measurement accuracy of the temperature measurement component is improved. Therefore, the utility model provides a temperature detection device has solved among the prior art liquid and has easily penetrated in the electromagnetism stove and then lead to the components and parts in the drain pan trouble such as short circuit or burn out to appear.

As for the temperature detector, optionally, a bayonet engaged with the inner cylinder is formed on the outer cylinder, and the water guide slope is at least located right above the bayonet.

Therefore, when the water collecting device is assembled, when soup or water on the supporting part enters the water guide inclined plane, water stains can completely flow along the direction of the water guide inclined plane to enter the water discharging hole and are discharged into the water collecting tank through the water discharging hole, and the risk that parts of the water stains flow out of the bottom shell through the bayonet to cause short circuit or burn is avoided.

As for the temperature detector, optionally, the water guide slope is an annular structure arranged along the circumferential direction of the inner side wall of the outer cylinder;

or the water guide inclined planes are multiple and are arranged on the inner wall of the outer barrel at intervals.

The temperature detecting device as described above, optionally, a part of the inner wall of the outer cylinder protrudes toward the inner cylinder to form the water guiding inclined plane, or

The inner wall of the outer barrel is provided with a water guide plate, and one surface of the water guide plate is inclined to form the water guide inclined surface.

As above, optionally, the inner barrel includes: the connecting table is positioned below the water guide inclined plane, and a through hole for the lead wire of the temperature measuring piece to pass through is formed in the connecting table;

the connecting table is at least partially overlapped with the water guide inclined plane in the vertical direction;

the drain hole is formed in the connecting platform;

and the outer edge of the connecting table is provided with a clamping piece clamped with the bayonet.

Therefore, when soup or water on the supporting part enters the water guide inclined plane, the water guide inclined plane can play a role in guiding, so that water stains flow to the connecting platform along the direction of the water guide inclined plane and are discharged into the water collecting tank through the water discharging hole on the connecting platform, the problem that the water stains on the supporting part directly enter the heating appliance through the temperature measuring hole is avoided, components inside the cooking appliance are damaged, the normal use of the cooking appliance is ensured, and the temperature measuring accuracy of the temperature measuring element is improved.

As for the temperature detector, optionally, the inner cylinder further includes an upper guide tube extending toward the temperature detector, and one end of the upper guide tube is connected to the top surface of the connecting table.

Like this through forming the stand pipe, when the flexible tip of temperature measurement spare was compressed, go up the stand pipe and form the direction passageway, the direction passageway plays the guide effect to first extensible member, and then makes the temperature measurement spare can stretch out and draw back from top to bottom along fixed direction, ensures the normal use of temperature measurement spare to improve the temperature measurement accuracy of temperature measurement spare.

As for the temperature detector, optionally, the inner cylinder further includes a lower guide tube extending toward the inner bottom surface of the bottom shell, one end of the lower guide tube is connected to the bottom surface of the connection platform, and the other end of the lower guide tube faces the water collection tank.

Through the setting of stand pipe down, the lead wire of temperature measurement spare can stretch out from the stand pipe down to can also guide and protect the lead wire of temperature measurement spare, make the lead wire arrange according to the route of predetermineeing.

The temperature detecting device as described above, optionally, further includes: one end of the first telescopic piece is connected with the bottom end of the temperature measuring piece, and the other end of the first telescopic piece is sleeved on the upper guide pipe and abuts against the top surface of the connecting table.

Through setting up first extensible member like this, can be so that the temperature measurement piece can reset fast after flexible tip is compressed, can guarantee simultaneously that the bottom surface contact of temperature measurement piece and pan is good, and then guarantee the accuracy of temperature measurement, secondly, the initial position can be got back to the temperature measurement piece when the pan leaves heating appliance.

The temperature detecting device as described above, optionally, further includes: a second extensible member, a pot head of the second extensible member is established down on the stand pipe and support on the bottom surface of connecting the platform, the other end of the second extensible member with the drain pan links to each other.

Through the setting of second extensible member, can guarantee that the bottom surface contact of temperature measurement spare and pan is good like this, and then guarantee the accuracy of temperature measurement.

The temperature detecting device as described above, optionally, the diameter of the upper guide tube is smaller than the diameter of the lower guide tube.

The diameter of going up the stand pipe sets up less like this, the distance between the outer wall of going up the stand pipe and the inner wall of urceolus is then great, first extensible member can set up to the toper form like this, and establish first extensible member cover on last stand pipe, be difficult for when making the temperature measurement piece stretch out and draw back from top to bottom in the urceolus, the diameter that will descend the stand pipe sets up great in addition, the distance between the outer wall of stand pipe and the inner wall of urceolus is then less down, not only can play the guide effect to the upper and lower flexible of temperature measurement piece like this, and then make the temperature measurement piece can stretch out and draw back from top to bottom along fixed direction, can avoid the flexible tip of temperature measurement piece to rock about simultaneously and lead to flexible unstable problem, improve the temperature measurement accuracy of temperature measurement piece.

As for the temperature detector, optionally, a support wall is provided on an outer side wall of the outer cylinder, one end of the support wall abuts against the heating device and/or the tray frame of the base, and a sealing member is provided at the other end of the support wall, and the sealing member is used for sealing and connecting the outer cylinder and the back surface of the support portion.

Through setting up the support wall, can be convenient link to each other urceolus and supporting part, and increase the leakproofness between urceolus and the supporting part, can prolong the connection area of contact of urceolus and supporting part like this, when liquid oozes in from the clearance of urceolus and temperature measurement hole, can prolong the flow path of liquid through setting up the support wall, and then avoid liquid to enter into the inside of heating utensil. And through setting up the sealing member, can further improve the sealing performance of urceolus and supporting part, avoid water stain to get into the inside of heating utensil through the clearance between temperature measurement spare and the temperature measurement hole, and then harm the components and parts in the heating utensil.

An aspect of the embodiment of the present invention provides a heating device, including: the temperature detecting device comprises a bottom shell, a supporting part and the temperature detecting device, wherein the supporting part and the bottom shell are enclosed to form a cavity, a temperature measuring hole is formed in the supporting part, and the top end of an outer barrel in the temperature detecting device is located in the temperature measuring hole.

The structure of the present invention and other objects and advantages thereof will be more clearly understood from the following description of the preferred embodiments taken in conjunction with the accompanying drawings.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive labor.

Fig. 1A is a schematic structural diagram of an induction cooker according to an embodiment of the present invention;

FIG. 1B is an enlarged schematic view of the dashed box in FIG. 1A;

FIG. 2 is a perspective view of the temperature measuring device, the outer barrel and the inner barrel according to the embodiment of the present invention;

FIG. 3 is a front view of the temperature measuring device, the outer barrel and the inner barrel;

FIG. 4 is a sectional view of the temperature measuring device, the outer barrel and the inner barrel;

FIG. 5 is a perspective view of the outer barrel according to an embodiment of the present invention;

FIG. 6 is a front view of the outer tub provided in the embodiment of the present invention;

fig. 7 is a sectional view of an outer tub according to an embodiment of the present invention;

fig. 8 is a schematic structural diagram of an inner barrel according to an embodiment of the present invention;

fig. 9 is a cross-sectional view of an inner barrel according to an embodiment of the present invention;

FIG. 10 is a perspective view of a temperature measuring member according to an embodiment of the present invention;

FIG. 11 is a front view of a temperature measuring member according to an embodiment of the present invention;

fig. 12 is a cross-sectional view of a temperature measuring member according to an embodiment of the present invention;

fig. 13 is a schematic structural diagram of a first telescopic member according to an embodiment of the present invention;

fig. 14 is a cross-sectional view of a first telescoping member according to an embodiment of the invention.

Description of reference numerals:

100-a heating appliance;

10-a bottom shell;

11-a cavity;

12-a water collecting tank;

20-a support;

21-temperature measuring hole;

30-a heating device;

40-temperature measuring parts;

41-temperature sensing cover body;

42-a temperature measuring element;

43-lead wire;

50-outer cylinder;

51-water guiding slope;

52-bayonet;

53-a support wall;

531-a seal;

60-inner cylinder;

61-a drain hole;

62-a joining station;

621-a via hole;

622-snap-fit;

63-upper guide tube;

64-lower guide tube;

70-a first telescoping member;

80-a second telescoping member.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, 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, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The heating device may be an induction cooker, an electric pressure cooker, an electric cooker, or the like, and in this embodiment, the heating device is specifically described as an induction cooker.

The heating device in the embodiment of the present invention is further explained below by taking an electromagnetic oven as an example.

FIG. 1A is a schematic structural diagram of an induction cooker according to an embodiment of the present invention, FIG. 1B is an enlarged schematic view of a dotted frame in FIG. 1A, FIG. 2 is a perspective view of a temperature measuring member, an outer cylinder and an inner cylinder provided in an embodiment of the present invention, FIG. 3 is a front view of a temperature measuring member, an outer cylinder and an inner cylinder provided in an embodiment of the present invention, FIG. 4 is a sectional view of a temperature measuring member, an outer cylinder and an inner cylinder provided in an embodiment of the present invention, FIG. 5 is a perspective view of an outer cylinder provided in an embodiment of the present invention, FIG. 6 is a front view of an outer cylinder provided in an embodiment of the present invention, FIG. 7 is a sectional view of an outer cylinder provided in an embodiment of the present invention, FIG. 8 is a schematic structural diagram of an inner cylinder provided in an embodiment of the present invention, FIG. 9 is a sectional view of an inner cylinder provided in an embodiment of the present invention, fig. 10 is a perspective view of a temperature measurement component provided by the embodiment of the present invention, fig. 11 is a front view of a temperature measurement component provided by the embodiment of the present invention, fig. 12 is a cross-sectional view of a temperature measurement component provided by the embodiment of the present invention, fig. 13 is a schematic structural diagram of a first expansion piece provided by the embodiment of the present invention, and fig. 14 is a cross-sectional view of a first expansion piece provided by the embodiment of the present invention.

As shown in fig. 1A and fig. 1B, the present invention provides a schematic structural diagram of an induction cooker, as can be seen from fig. 1A and fig. 1B, a heating device 100, such as an induction cooker, may include a bottom shell 10, a supporting portion 20, a heating device 30 and a temperature detecting device, wherein the temperature detecting device may include a temperature measuring device 40, the supporting portion 20 is covered on the bottom shell 10 and encloses with the bottom shell 10 to form a cavity 11, and a heating device 30, a control board, etc. is disposed in the cavity 11, in this embodiment, the heating device 30 may be an electromagnetic heating device, such as a heating element, or an electric heating device, such as an electric heating wire or an electric heating film, etc., and further includes an outer cylinder 50 and an inner cylinder 60 at least partially located in the outer cylinder 50, and a temperature measuring end of the temperature measuring.

The inner wall of the outer cylinder 50 is provided with a water guiding slope 51 inclined toward the inner bottom surface of the bottom case 10, the inner cylinder 60 is provided with a water discharging hole 61 communicated with the inside of the inner cylinder 60, and the water discharging hole 61 is used for discharging the liquid into the water collecting tank 12 on the inner bottom surface of the heating device 100.

In this embodiment, as shown in fig. 1A and 1B, the heating device 30 and the temperature measuring part 40 may be located in the cavity 11, and the supporting portion 20 is provided with the temperature measuring hole 21, so that the temperature measuring part 40 may be inserted into the temperature measuring hole 21 during assembly, and compared with the prior art, on one hand, the installation position of the temperature measuring part 40 may be limited through the temperature measuring hole 21, so that the installation position of the temperature measuring part 40 is relatively fixed, and on the other hand, the distance between the temperature measuring part 40 and the bottom of the pot may be reduced, so that the temperature measuring part 40 may be close to the supporting portion 20 or the bottom of the pot as much as possible, thereby improving the accuracy of the temperature measurement of the temperature measuring.

It should be noted that, when the temperature measuring part 40 is disposed on the supporting portion 20 in the prior art, in order to achieve the purpose of improving the temperature measuring accuracy by the tight contact between the temperature measuring part 40 and the pot, an extensible part is often disposed at the bottom end of the temperature measuring part 40, and the top end of the temperature measuring part 40 extends out of the supporting portion 20, so that when the pot is placed on the supporting portion 20, the temperature measuring part 40 moves downward, the extensible part is compressed, when the pot is removed from the supporting portion 20, the temperature measuring part 40 moves upward under the elastic force of the extensible part, because the temperature measuring part 40 needs to extend upward and downward, if the temperature measuring part 40 is connected with the temperature measuring hole 21 formed on the supporting portion 20 by the sealing member in a sealing manner, the temperature measuring part 40 is easily stuck, i.e. the temperature measuring part 40 is not easily moved under the blocking effect of the sealing member, so that the pot is placed on the supporting portion 20, and when the, the temperature measuring part 40 is not easy to move upwards under the action of the sealing part by the elastic force of the telescopic part, so that the temperature measuring part 40 is blocked, and therefore, a certain gap is reserved between the temperature measuring part 40 and the temperature measuring hole 21 on the supporting part 20, when the gap is reserved between the temperature measuring part 40 and the supporting part 20, soup or water on the supporting part 20 easily enters the electromagnetic oven from the gap, components in the electromagnetic oven are damaged, and the risk that the components in the bottom case 10 are short-circuited or burnt is caused easily.

Therefore, in order to solve the above problem, in the embodiment, as shown in fig. 2 to 4, the heating device 100 further includes an outer cylinder 50 and an inner cylinder 60 at least partially located in the outer cylinder 50, wherein a water guiding inclined plane 51 inclined towards the inner bottom surface of the bottom shell 10 is provided on the inner wall of the outer cylinder 50, and a water draining hole 61 communicated with the inside of the inner cylinder 60 is provided on the inner cylinder 60, so that, during assembly, the temperature measuring member 40 is inserted at the top end of the outer cylinder 50, and the temperature measuring member 40 is telescopically arranged in the outer cylinder 50, so that the soup or water on the supporting portion 20 flows into the water guiding inclined plane 51 from the gap and is drained into the water collecting tank 12 through the water draining hole 61 provided on the inner cylinder 60, and the problem that the soup or water on the supporting portion 20 directly enters the electromagnetic oven from the gap and damages components in.

In addition, in the embodiment, the inner cylinder 60 is provided with the drainage hole 61 communicated with the inside of the inner cylinder 60, the drainage hole 61 is used for discharging liquid into the water collecting tank 12 on the inner bottom surface of the heating device 100, so that when the soup or the water on the supporting part 20 enters the water guiding inclined plane 51, the water guiding inclined plane 51 can play a role in guiding, further the liquid flows into the drainage hole 61 along the direction of the water guiding inclined plane 51 and is discharged into the water collecting tank 12 through the drainage hole 61, thereby avoiding the problem that water stains on the supporting part 20 directly enter the inside of the heating device 100 through the temperature measuring hole 21, the damage to the components inside the cooking appliance ensures the normal use of the cooking appliance and improves the temperature measurement accuracy of the temperature measurement component 40.

It should be noted that the temperature measuring end of the temperature measuring member 40 penetrates out from the top end of the outer cylinder 50, and the temperature measuring member 40 is arranged in the outer cylinder 50 in a telescopic manner, so that when the temperature measuring member 40 extends up and down in the outer cylinder 50, the outer cylinder 50 can play a guiding role, and further the temperature measuring member 40 extends up and down along a fixed direction, thereby avoiding the problem that the temperature measuring member 40 deviates when extending up and down, ensuring the normal use of the temperature measuring member 40, and improving the temperature measuring accuracy of the temperature measuring member 40.

Therefore, the temperature detector provided by the embodiment includes the temperature measuring component 40, the outer cylinder 50 and the inner cylinder 60 at least partially located in the outer cylinder 50, the supporting portion 20 and the bottom case 10 are enclosed to form a cavity 11, the heating component 30 and the temperature measuring component 40 are arranged in the cavity 11, the supporting portion 20 is provided with the temperature measuring hole 21, and the temperature measuring end of the temperature measuring component 40 penetrates out from the top end of the outer cylinder 50; and the inner wall of the outer cylinder 50 is provided with a water guide inclined plane 51 inclined towards the bottom end of the outer cylinder 50, the inner cylinder 60 is provided with a water discharge hole 61 communicated with the inside of the inner cylinder 60, and the water discharge hole 61 is used for discharging liquid into the water collection tank 12 on the inner bottom surface of the heating appliance. By arranging the water guide inclined plane 51, when soup or water on the supporting part 20 enters the water guide inclined plane 51, the water guide inclined plane 51 can play a role in guiding, so that water stains flow along the direction of the water guide inclined plane 51 to enter the water drainage hole 61 and are drained into the water collection tank 12 through the water drainage hole 61, thereby avoiding the problem that the water stains on the supporting part 20 directly enter the heating appliance 100 through the temperature measurement hole 21, damaging components inside the cooking appliance, ensuring the normal use of the cooking appliance and improving the temperature measurement accuracy of the temperature measurement element 40.

In order to facilitate the engagement between the outer cylinder 50 and the inner cylinder 60, in the present embodiment, as shown in fig. 5 to 7, a bayonet 52 for engaging with the inner cylinder 60 is formed on the outer cylinder 50, so that the outer cylinder 50 and the inner cylinder 60 can be engaged with each other by providing the bayonet 52 on the outer cylinder 50 during assembly, and when the temperature measuring device 40 needs to be removed from the outer cylinder 50, the outer cylinder 50 and the inner cylinder 60 are separated from each other by the bayonet 52, thereby completing the installation, removal and cleaning of the temperature measuring device 40.

In the embodiment, as shown in fig. 7, the water guide inclined plane 51 is at least located right above the bayonet 52, so that during assembly, when soup or water on the support portion 20 enters the water guide inclined plane 51, water stains completely flow along the direction of the water guide inclined plane 51 to enter the water discharge hole 61 and are discharged into the water collection tank 12 through the water discharge hole 61, and a risk that a part of water stains flows out of the bottom case 10 through the bayonet 52 to cause a short circuit or burn of components in the bottom case 10 is avoided.

It should be noted that, the distance between the bayonet 52 and the water guiding inclined plane 51 in the vertical direction is not further limited, and it is within the protection scope of the present application as long as it is ensured that water stains can completely enter the water guiding inclined plane 51 from the gap between the temperature measuring part 40 and the supporting part 20, and completely drain into the water collecting tank 12 through the water drainage hole 61.

Further, in the present embodiment, the water guiding slope 51 may be a plurality of slopes, wherein the plurality of slopes 51 may be spaced apart from each other on the inner wall of the outer tube 50, and the plurality of slopes 51 are circumferentially arranged along the inner wall of the outer tube 50.

Or, the water guiding inclined surface 51 may also be an annular structure arranged along the circumferential direction of the inner side wall of the outer cylinder 50, in this embodiment, the specific structure of the water guiding inclined surface 51 is not further limited, and it is within the protection scope of the present application as long as it is ensured that water stains can enter the water guiding inclined surface 51 from the gap between the temperature measuring part 40 and the supporting part 20.

In addition, in this embodiment, the thickness and length of the water guiding inclined plane 51 and the inclination of the water guiding inclined plane 51 to the inner bottom surface of the bottom case 10 are not further limited, because the length and thickness of the water guiding inclined plane 51 can be specifically set according to different types of heating devices 100 and different sizes of temperature measuring holes 21, and the inclination of the water guiding inclined plane 51 is within the protection scope of the present application as long as the water stain can completely flow into the water drainage hole 61.

Further, in the present embodiment, a part of the inner wall of the outer cylinder 50 may be protruded toward the inner cylinder 60, that is, the part of the protruded inner wall forms the water guiding slope 51, and the part of the protruded inner wall is inclined toward the inner bottom surface of the bottom case 10.

Of course, in another embodiment, a water guide plate may be further disposed on the inner wall of the outer tube 50, wherein one surface of the water guide plate is inclined toward the inner bottom surface of the bottom case 10 to form a water guide inclined surface 51.

Further, as shown in fig. 8 and 9, the inner cylinder 60 further includes a connecting table 62, wherein the connecting table 62 is located below the water guide slope 51 (see fig. 4 specifically), and a through hole 621 through which the lead 43 of the temperature measuring element 40 can pass is formed in the connecting table 62, so that the lead 43 of the temperature measuring element 40 can extend from the through hole 621 through the arrangement of the through hole 621, and the lead 43 of the temperature measuring element 40 can be guided and protected, so that the lead 43 can be arranged according to a preset route.

In this embodiment, as shown in fig. 4, the connecting platform 62 is at least partially overlapped with the water guiding inclined plane 51 in the vertical direction, so that when the soup or water on the supporting portion 20 enters the water guiding inclined plane 51, the water guiding inclined plane 51 can play a role of guiding, so that water stains flow onto the connecting platform 62 along the direction of the water guiding inclined plane 51 and are discharged into the water collecting tank 12 through the water discharging hole 61 on the connecting platform 62, thereby avoiding the problem that the water stains on the supporting portion 20 directly enter the heating apparatus 100 through the temperature measuring hole 21, causing damage to components inside the cooking apparatus, ensuring the normal use of the cooking apparatus, and improving the temperature measuring accuracy of the temperature measuring component 40.

It should be noted that, the overlapping area of the connection platform 62 and the water guide inclined plane 51 in the vertical direction is not further limited, as long as the connection platform 62 and the water guide inclined plane 51 partially overlap in the vertical direction, and further the water stain is discharged into the water collecting tank 12 through the water discharge hole 61, which all belong to the protection scope of the present application.

In order to facilitate the engagement between the outer cylinder 50 and the inner cylinder 60, as shown in fig. 2 and 3, a bayonet 52 for engaging with the inner cylinder 60 is formed on the outer cylinder 50, and an engaging member 622 for engaging with the bayonet 52 is further formed on an outer edge of the connecting table 62, so that the engaging member 622 is screwed in a direction along the bayonet 52 until the engaging member 622 is engaged into the bayonet 52, thereby engaging the outer cylinder 50 and the inner cylinder 60.

It should be noted that, the sizes of the engaging element 622 and the engaging opening 52 are not further limited in this embodiment, because the sizes of the engaging element 622 and the engaging opening 52 can be specifically set according to different types of heating apparatuses 100 and different sizes of temperature measuring holes 21, so long as the outer cylinder 50 and the inner cylinder 60 can be engaged and connected, and the temperature measuring element 40 can be mounted, dismounted and cleaned, all of which belong to the protection scope of this application.

The number of the engaging pieces 622 is not further limited in this embodiment, as long as the connection can be secured.

It should be noted that the engaging member 622 can be made of a deformable telescopic member, such as an elastic plastic or rubber material, so as to facilitate the engagement and detachment of the outer barrel 50 on the inner barrel 60.

In addition, in this embodiment, as shown in fig. 10 to 12, the temperature measuring member 40 may include: the temperature sensing cover body 41 and the temperature measuring element 42 arranged on the temperature sensing cover body 41, the lower end of the temperature measuring element 42 is provided with a lead 43, and the temperature measuring element 40 is connected with the circuit board of the heating appliance 100 through the lead 43, thereby further playing a role in measuring the temperature of the cookware. Therefore, the temperature of the bottom of the cookware can be conducted to the temperature measuring element 42 through the temperature sensing cover body 41 as far as possible by arranging the temperature sensing cover body 41, so that the temperature measuring element 42 can be protected while the accuracy of temperature measurement of the temperature measuring element 40 is improved, and the service life of the temperature measuring element 40 is prolonged.

It should be noted that the temperature measuring element 42 can be attached to the inner wall of the temperature sensing cover 41, so that the temperature of the pot bottom can be directly transmitted to the temperature measuring element 42 through the inner top wall of the temperature sensing cover 41, thereby realizing the rapid measurement of the temperature of the pot and contributing to improving the accuracy of temperature measurement.

Illustratively, the Temperature sensing element 42 may be a heat sensitive patch with a negative Temperature system, such as an NTC (negative Temperature coefficient) patch.

Illustratively, the temperature sensing cover 41 may be a ceramic piece, a metal piece, or other heat conducting shell. The metal member may be aluminum or stainless steel, etc. Thus, when the temperature measuring element 42 is protected, the good heat conducting performance of the ceramic material and the metal material can be utilized to transfer the heat of the bottom of the cookware to the temperature measuring element 42, and the accurate temperature measurement of the temperature measuring piece 40 on the bottom of the cookware is further facilitated.

Further, as shown in fig. 9, the inner cylinder 60 further includes an upper guide tube 63 extending toward the temperature measuring member 40, one end of the upper guide tube 63 is connected to the top surface of the connecting table 62, so that by forming the upper guide tube 63, when the telescopic end of the temperature measuring member 40 is compressed, the upper guide tube 63 forms a guide channel, the guide channel guides the first telescopic member 70, and further the temperature measuring member 40 can be vertically extended along a fixed direction, thereby ensuring the normal use of the temperature measuring member 40 and improving the accuracy of temperature measurement of the temperature measuring member 40.

Further, as shown in fig. 9, the inner cylinder 60 further includes a lower guide pipe 64 extending toward the inner bottom surface of the bottom case 10, one end of the lower guide pipe 64 is connected to the bottom surface of the connection table 62, the other end of the lower guide pipe 64 faces the water collection tank 12, and the upper guide pipe 63 and the lower guide pipe 64 are respectively located at upper and lower sides of the connection table 62, wherein in this embodiment, the lower guide pipe 64 may be located below the upper guide pipe 63.

Through the arrangement of the upper guide pipe 63 and the lower guide pipe 64, the temperature measuring part 40 can be accommodated in the upper guide pipe 63, and meanwhile, through the arrangement of the lower guide pipe 64, the lead 43 of the temperature measuring part 40 can extend out of the lower guide pipe 64, and the lead 43 of the temperature measuring part 40 can be guided and protected, so that the lead 43 can be arranged according to a preset route.

Further, as shown in fig. 13 and 14, a first telescopic member 70 may be further included, wherein, as shown in fig. 4, one end of the first telescopic member 70 is connected to the bottom end of the temperature measuring member 40, and the other end of the first telescopic member 70 is sleeved on the upper guide tube 63 and abuts against the top surface of the connection table 62, so that the temperature measuring member 40 can be quickly reset after the telescopic end is compressed by the first telescopic member 70, and meanwhile, the temperature measuring member 40 can be ensured to be in good contact with the bottom surface of the pot, thereby ensuring the accuracy of temperature measurement, and secondly, the temperature measuring member 40 can return to the initial position when the pot leaves the heating appliance 100.

Further, as shown in fig. 13 and 14, a second extensible member 80 may be further included, wherein, as shown in fig. 4, one end of the second extensible member 80 is sleeved on the lower guide tube 64 and abuts against the bottom surface of the connection table 62, and the other end of the second extensible member 80 is connected to the bottom case 10, so that the temperature measuring member 40 can be ensured to be in good contact with the bottom surface of the pot through the arrangement of the second extensible member 80, and the accuracy of temperature measurement can be further ensured.

Further, as shown in fig. 9, the diameter of the upper guide tube 63 is smaller than that of the lower guide tube 64, by thus setting the diameter of the upper guide tube 63 to be small, the distance between the outer wall of the upper guide tube 63 and the inner wall of the outer cylinder 50 is large, so that the first extensible member 70 can be set in a tapered shape, and the first telescopic member 70 is sleeved on the upper guide tube 63, so that the temperature measuring member 40 is not easy to be inclined when being vertically telescopic in the outer cylinder 50, in addition, the diameter of the lower guide tube 64 is set to be larger, and the distance between the outer wall of the lower guide tube 64 and the inner wall of the outer cylinder 50 is smaller, so that not only the vertical extension and contraction of the temperature measuring part 40 can be guided, and then make temperature measurement piece 40 can stretch out and draw back from top to bottom along fixed direction, can avoid the flexible tip of temperature measurement piece 40 to rock and lead to flexible unstable problem about the while, improve the temperature measurement accuracy of temperature measurement piece 40.

Of course, in some other embodiments, the diameter of the upper guiding tube 63 and the diameter of the lower guiding tube 64 may be set to be the same, so that on one hand, the problem of reverse installation of the first telescopic member 70 and the second telescopic member 80 is not easy to occur during assembly, and on the other hand, when the diameters of the first telescopic member 70 and the second telescopic member 80 are set to be the same, the universality of the device can be improved.

As shown in fig. 9, the diameter of the upper guide tube 63 may be B1, and the diameter of the lower guide tube 64 may be B2, and in this embodiment, the diameter of the upper guide tube 63 is smaller than the diameter of the lower guide tube 64.

Further, in order to ensure the sealing property of the connection between the temperature measuring hole 21 and the outer cylinder 50 and the stability of the pot during use, in the present embodiment, as shown in fig. 4, the outer wall of the outer cylinder 50 may further include a supporting wall 53, wherein one end of the supporting wall 53 abuts against the heating device 30 and/or the tray frame of the base, and the other end of the supporting wall 53 is connected to the back surface of the supporting portion 20, so that when the pot is installed, one end of the supporting wall 53 abuts against the heating device 30 and the other end abuts against the supporting portion 20, thereby fixing the outer cylinder 50 on the heating device 100.

It should be understood that the support wall 53 is provided to conveniently connect the outer cylinder 50 with the support portion 20 and to increase the sealing performance between the outer cylinder 50 and the support portion 20, so as to extend the connection contact area between the outer cylinder 50 and the support portion 20, and when liquid seeps into the gap between the outer cylinder 50 and the temperature measuring hole 21, the support wall 53 is provided to extend the flow path of the liquid, thereby preventing the liquid from entering the inside of the heating appliance 100.

In addition, in order to ensure the sealing property of the connection between the outer cylinder 50 and the back surface of the support part 20, in the embodiment, the sealing member 531 may be further provided at the other end of the support wall 53, so that the sealing property between the outer cylinder 50 and the support part 20 can be further improved by providing the sealing member 531, and the water stain can be prevented from entering the heating device 100 through the gap between the temperature measuring member 40 and the temperature measuring hole 21 and damaging the components in the heating device 100.

It should be noted that the number of the sealing members 531 may be plural (for example, 2), and in this embodiment, the number of the sealing members 531 is not particularly limited.

The sealing member 531 may be a silicone sealing member 531 with an annular rubber groove, wherein the silicone sealing member 531 has good elasticity, so that the sealing member 531 deforms under the action of external force to clamp between the outer cylinder 50 and the supporting portion 20, and the outer cylinder 50 is connected with the back surface of the supporting portion 20 in a sealing manner to realize the sealing connection between the temperature measuring part 40 and the supporting portion 20.

Claims (12)

1. A temperature sensing device adapted for use with a heating appliance, comprising: the temperature measuring device comprises a temperature measuring part (40), an outer cylinder (50) and an inner cylinder (60) at least partially positioned in the outer cylinder (50), wherein the temperature measuring part (40) is positioned in the outer cylinder (50), and the temperature measuring end of at least part of the temperature measuring part (40) penetrates out of the top end of the outer cylinder (50);

the inner wall of the outer cylinder (50) is provided with a water guide inclined plane (51) which inclines towards the bottom end of the outer cylinder (50), the inner cylinder (60) is provided with a drain hole (61) communicated with the inside of the inner cylinder (60), and the drain hole (61) is used for draining liquid into a water collecting tank (12) on the inner bottom surface of the heating appliance.

2. The temperature detector according to claim 1, wherein the outer cylinder (50) is provided with a bayonet (52) engaged with the inner cylinder (60), and the water guide slope (51) is located at least directly above the bayonet (52).

3. The temperature detecting device as claimed in claim 2, wherein the water guiding slope (51) is an annular structure arranged along the circumference of the inner side wall of the outer barrel (50);

or, the number of the water guide slopes (51) is multiple, and the multiple water guide slopes (51) are arranged on the inner wall of the outer cylinder (50) at intervals.

4. A temperature-sensing device according to any of claims 1-3, wherein part of the inner wall of the outer barrel (50) is convex towards the inner barrel (60) forming the water-guiding slope (51), or

The inner wall of the outer barrel (50) is provided with a water guide plate, and one surface of the water guide plate is inclined to form the water guide inclined surface (51).

5. The temperature detecting device according to claim 2 or 3, wherein the inner barrel (60) comprises: the connecting table (62) is positioned below the water guide inclined plane (51), and a through hole (621) through which a lead wire (43) of the temperature measuring part (40) can pass is formed in the connecting table (62);

the connecting table (62) is at least partially overlapped with the water guide inclined plane (51) in the vertical direction;

the drain hole (61) is formed in the connecting platform (62);

and the outer edge of the connecting table (62) is provided with a clamping piece (622) clamped with the bayonet (52).

6. The temperature detecting device according to claim 5, wherein the inner cylinder (60) further comprises an upper guide tube (63) extending toward the temperature measuring member (40), and one end of the upper guide tube (63) is connected to a top surface of the connecting table (62).

7. The temperature detecting device according to claim 6, wherein the inner cylinder (60) further comprises a lower guide pipe (64) extending toward the inner bottom surface of the bottom case (10) of the heating appliance, one end of the lower guide pipe (64) is connected to the bottom surface of the connecting table (62), and the other end of the lower guide pipe (64) faces the water collecting tank (12).

8. The temperature-sensing device of claim 7, further comprising: the temperature measuring device comprises a first telescopic piece (70), one end of the first telescopic piece (70) is connected with the bottom end of the temperature measuring piece (40), and the other end of the first telescopic piece (70) is sleeved on the upper guide pipe (63) and abuts against the top surface of the connecting table (62).

9. The temperature-sensing device of claim 8, further comprising: a second extensible member (80), a pot head of second extensible member (80) is established down on stand pipe (64) and support on the bottom surface of connecting platform (62), the other end of second extensible member (80) with drain pan (10) link to each other.

10. The temperature detecting device according to claim 9, characterized in that the diameter of the upper guide tube (63) is smaller than the diameter of the lower guide tube (64).

11. Temperature detecting device according to any of claims 1 to 3, characterized in that the outer side wall of the outer cylinder (50) is provided with a support wall (53), one end of the support wall (53) is abutted against the heating device (30) and/or the base, the other end of the support wall (53) is provided with a sealing member (531), and the sealing member (531) is used for sealing and connecting the outer cylinder (50) and the back of the support part (20).

12. A heating appliance, comprising: bottom shell (10) and supporting part (20), supporting part (20) enclose with bottom shell (10) and become a cavity (11), be equipped with temperature measurement hole (21) on supporting part (20), still include: a temperature sensing device as claimed in any one of claims 1 to 11, wherein the top end of the outer barrel of the temperature sensing device is located in the temperature sensing hole.

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