CN213395462U - Temperature sensing equipment and kitchen range - Google Patents

Abstract

The utility model provides a temperature sensing equipment and kitchen range, wherein this temperature sensing equipment includes temperature measurement piece (50), bears frame (40), the top terminal surface that bears frame (40) has pars contractilis (42), the top of temperature measurement piece (50) is worn to establish on pars contractilis (42), just the outward flange of the top terminal surface (510) of temperature measurement piece extends to on the top surface of pars contractilis (42). The utility model discloses a kitchen range simple structure, and help realizing the accurate temperature measurement to the pan bottom.

Description

Temperature sensing equipment and kitchen range

Technical Field

The utility model relates to a household electrical appliances technical field especially relates to a temperature sensing equipment and kitchen range.

Background

The induction cooker is an electric cooking appliance made by utilizing an electromagnetic induction heating principle, and comprises a high-frequency induction coil panel (namely an excitation coil), a controller, a ferromagnetic material pot bottom cooker and the like.

At present, the electromagnetism stove mainly measures through the temperature measurement subassembly 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 subassembly to stretch out on the panel, the temperature measurement end of temperature measurement subassembly outwards stretches out through the temperature measurement hole, the temperature measurement subassembly passes through the elastic component and sets up on the electromagnetism stove telescopically, place the panel when the pan like this on, the temperature measurement end of temperature measurement subassembly is impressed in the temperature measurement hole, make the temperature measurement end of temperature measurement subassembly and the bottom of a boiler in close contact with of pan under the elastic drive of elastic component, thereby realize accurate temperature measurement.

However, in the using process, the arrangement of the elastic part makes the structure of the part assembled with the temperature measuring component complex and the cost is high. In addition, the temperature of the cookware measured by the temperature measuring component is still inaccurate in the practical application process.

SUMMERY OF THE UTILITY MODEL

The utility model provides a temperature sensing equipment and kitchen range help realizing the accurate temperature measurement of temperature measurement piece to the pan bottom.

An embodiment of the utility model provides a temperature sensing equipment, include: the temperature measuring piece bears the frame, the top end face that bears the frame has the pars contractilis, the top of temperature measuring piece is worn to establish on the pars contractilis, just the outward flange of the top end face of temperature measuring piece extends to on the top surface of pars contractilis.

The embodiment of the utility model provides a through set up the pars contractilis on bearing the frame, can contract downwards when receiving the pressure of pan to guarantee the stationarity of pan bottom, and simple structure, with low costs, avoid adopting the flexible and complicated and with high costs problem of part structure that causes the temperature measurement assembly of elastic component drive temperature measurement piece. In addition, the top end of the temperature measuring piece is arranged on the telescopic portion in a penetrating mode, and the outer edge of the end face of the top end of the temperature measuring piece extends to the top face of the telescopic portion, so that the contact area between the temperature measuring piece and the cookware can be increased, and the accurate temperature measurement of the temperature measuring piece to the bottom of the cookware can be guaranteed.

In the temperature sensing device, optionally, an orthographic projection of the end face of the top end of the temperature measuring element facing the expansion part is a circle, and the diameter of the circle is larger than 4.5 mm.

Therefore, the orthographic projection of the end face of the top end of the temperature measuring piece facing the telescopic end is designed to be circular, so that the edge of the top end of the temperature measuring piece can be smooth, and the temperature measuring piece can be cleaned conveniently; in addition, the diameter of the circle is limited to be larger than 4.5mm, and compared with the prior art, the area of the top end of the temperature measuring piece is larger, so that the contact area between the temperature measuring piece and the cooker can be increased, and the accuracy of temperature measurement can be improved.

The temperature sensing device as described above, optionally, the diameter of the circle is less than or equal to 8 mm.

Through being less than or equal to 8mm with circular shape diameter restriction like this, can increase the area of contact of temperature measurement top and pan on the one hand to increase the temperature measurement accuracy, in addition, can guarantee that the temperature measurement can be convenient install on bearing the frame.

In the temperature sensing device as described above, optionally, the telescopic part includes an arc region and a plane region, and the arc region is located between the plane region and the side wall of the carrier;

and an assembling hole for assembling the temperature measuring part is formed in the plane area, and the diameter of the assembling hole is less than or equal to 4.5 mm.

Like this through including arc region and plane region with the pars contractilis design, wherein the stability of pan can be guaranteed in the plane region, and arc region surface is slick and sly, simple structure, flexible convenience. In addition, through offering the pilot hole that is used for assembling the temperature measurement spare on will the plane region, can realize installing the temperature measurement spare on bearing the frame, and then install in the inside of kitchen range, when can protecting the temperature measurement spare to improve the assembly stability of temperature measurement spare, help the promotion of temperature measurement spare temperature measurement accuracy. Meanwhile, the diameter of the assembly hole is limited to be less than or equal to 4.5mm, so that after the temperature measuring piece is mounted on the bearing frame, the outer edge of the top end face of the temperature measuring piece can extend to the top face of the telescopic portion, the top end face of the temperature measuring piece can be higher than the plane area, close fitting between the temperature measuring piece and a cooker is guaranteed, and the temperature measuring accuracy of the temperature measuring piece is improved.

In the temperature sensing device as described above, optionally, an orthographic projection of the tip end face of the temperature measuring member toward the planar region completely covers the planar region.

Therefore, the end surface of the top end of the temperature measuring piece completely covers the plane area, on one hand, the area of the top end of the temperature measuring piece can be increased, and further, the contact area between the temperature measuring piece and the cooker is increased, so that the temperature measuring accuracy of the temperature measuring piece is improved; in addition, the contact area of the temperature measuring part and the plane area can be increased, so that when the cooker is pressed on the temperature measuring part, the pressure of the temperature measuring part on the plane area can be distributed to a larger area, the local stress of the plane area is reduced, the damage of the plane area due to the fact that the local stress is too large can be prevented, and the service life of the cooking stove can be prolonged.

In the temperature sensing device, optionally, the distance from the end face of the top end of the temperature measuring element to the plane area is greater than or equal to 1 mm.

The distance that the top end face of the temperature measuring piece is higher than the plane area is limited to be more than or equal to 1mm, the temperature measuring piece can be tightly attached to a cooker, and the temperature measuring precision is further guaranteed.

In the temperature sensing device as described above, optionally, the wall thickness of the bellows at the arc region is smaller than the wall thickness of the side wall of the carrier and the wall thickness of the flat region.

Therefore, the elasticity of the arc-shaped area can be improved by designing the wall thickness of the arc-shaped area to be thinner, and the strength of the bearing frame can be improved by designing the wall thicknesses of the side wall and the plane area of the bearing frame to be thicker so as to prolong the service life of the bearing frame.

In the temperature sensing device as described above, optionally, the side wall of the carrier has an outwardly protruding connecting portion for sealing connection with the base plate of the range.

In the temperature sensing device as described above, optionally, one surface of the connecting portion facing the substrate has a plurality of water blocking protrusions protruding outward, and the water blocking protrusions are spaced from one end of the connecting portion close to the side wall of the bearing frame to the other end of the connecting portion.

Therefore, the bearing frame can be conveniently connected with the substrate through the arrangement of the connecting part; in addition, the convex ribs are arranged on one surface of the connecting part facing the base plate, and the bearing frame and the base plate can be hermetically connected through the water retaining protrusions, so that water stains are prevented from entering the interior of the stove through a gap between the bearing frame and the temperature measuring hole and damaging the stove; meanwhile, the plurality of convex ribs are arranged at intervals on the connecting part, so that the sealing performance between the bearing frame and the temperature measuring hole can be further ensured, and the universality of the bearing frame in the stove is improved.

In the temperature sensing device, the connecting portion, the water blocking protrusion, the side wall of the bearing frame, and the telescopic portion may be integrally formed as a silicone member.

Like this through bearing the weight of the silica gel spare that designs into integrated into one piece, the material of silica gel is high temperature resistant on the one hand, can satisfy the operation requirement of kitchen range, and in addition, the material elasticity of silica gel is good, can guarantee to bear the elasticity of frame, and then guarantees the temperature measurement precision of temperature measurement spare and the life of kitchen range.

The temperature sensing apparatus as described above, optionally, further includes: the supporting ring is provided with a bearing frame.

Through the setting of lock ring, be convenient for bear the frame and install on the base plate to bear the frame and play the supporting role, with guarantee that temperature measurement spare can install on the base plate, and then improve the temperature measurement precision of temperature measurement spare.

The embodiment of the utility model provides a kitchen range is still provided, include: the temperature sensing device comprises a bottom cover and a base plate, wherein the base plate and the bottom cover are enclosed to form a cavity, a heating unit and the temperature sensing device are arranged in the cavity, a temperature measuring hole is formed in the base plate, and the side wall of the top end of a bearing frame of the temperature sensing device is connected with the temperature measuring hole in a sealing mode.

The utility model provides a kitchen range can realize the accurate temperature measurement to the pan bottom to can prevent effectively that water stain from entering into the kitchen range from the temperature measurement hole in, can effectively reduce the phenomenon of burning out.

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 creative efforts.

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

fig. 2 is an enlarged view of a portion a in fig. 1 according to an embodiment of the present invention;

fig. 3 is a schematic structural diagram of a temperature sensing device according to an embodiment of the present invention;

fig. 4 is a cross-sectional view of the temperature sensing device of fig. 3 provided by an embodiment of the present invention;

FIG. 5 is a schematic structural view of a temperature measuring member according to an embodiment of the present invention;

FIG. 6 is a front view of the temperature measuring member of FIG. 5 according to an embodiment of the present invention;

FIG. 7 is a cross-sectional view of the temperature measuring member of FIG. 5 according to an embodiment of the present invention;

fig. 8 is a schematic structural view of a bearing frame according to an embodiment of the present invention;

FIG. 9 is a front view of the carrier of FIG. 8 provided by an embodiment of the present invention;

FIG. 10 is a cross-sectional view of the carrier of FIG. 8 provided by an embodiment of the present invention;

fig. 11 is a perspective view of a support ring according to an embodiment of the present invention;

fig. 12 is a front view of the support ring of fig. 11 in accordance with an embodiment of the present invention;

fig. 13 is a cross-sectional view in the direction of B-B of the support ring of fig. 11 according to an embodiment of the present invention.

Description of reference numerals:

100: a cooking range;

10: a bottom cover;

11: a cavity;

12: a drain hole;

13: fencing;

20: a substrate;

21: a temperature measuring hole;

30: a heating unit;

40: a carrier;

41: a side wall of the carrier;

42: a telescopic part;

421: an arc-shaped area;

422: a planar region;

4221: an assembly hole;

43: an extension wall;

431: a groove;

44: a connecting portion;

441: water retaining protrusion;

50: a temperature measuring part;

51: a temperature conduction shell;

510: the end surface of the top end of the temperature measuring piece;

511: a protrusion;

512: a limiting bulge;

52: a temperature measuring element;

53: a lead wire;

60: a support ring;

61: a guide cylinder;

611: limiting the inner edge;

62: an opening;

63: a water guide cylinder.

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 stove can be an induction cooker or other electromagnetic stoves with temperature sensing equipment.

The cooking range of the embodiment of the present invention will be further explained by taking an electromagnetic oven as an example.

Fig. 1 is a schematic structural diagram of an induction cooker according to an embodiment of the present invention; fig. 2 is an enlarged view of a portion a in fig. 1 according to an embodiment of the present invention (a cross-sectional direction of the support ring in fig. 2 is a direction C-C in fig. 11). As shown in fig. 1 and 2, an embodiment of the present invention provides a cooking range 100, including a temperature sensing device, a bottom cover 10, a substrate 20, and a heating unit 30, wherein the temperature sensing device includes a temperature measuring component 50, a bearing frame 40, and a supporting ring 60, the substrate 20 is covered on the bottom cover 10 and encloses with the bottom cover 10 to form a cavity 11, the heating unit 30, the temperature measuring component 50, the bearing frame 40, and the supporting ring 60 are all disposed inside the cavity 11, and the heating unit 30 may be a coil disc, and may also be an electric heating film or an electric heating wire. The substrate 20 may be, for example, a panel of an induction cooker, or may be a cover of an electric pressure cooker or an electric rice cooker.

The temperature measuring piece 50 is fixedly installed through the bearing frame 40, the support ring 60 is arranged below the bearing frame 40, the top end side wall of the bearing frame 40 is connected with the temperature measuring hole 21 in a sealing mode, the top end face of the bearing frame 40 is provided with the telescopic portion 42 which is made of silica gel and extends out of the temperature measuring hole 21, the top end of the temperature measuring piece 50 penetrates through the telescopic portion 42, and the outer edge of the top end face 510 of the temperature measuring piece extends to the top face of the telescopic portion 42.

Wherein, when temperature measurement piece 50 sets up on base plate 20, in order to realize temperature measurement piece 50 and pan in close contact with and improve the purpose of temperature measurement accuracy, in the prior art, often set up the elastic component in the bottom of temperature measurement piece 50, the top of temperature measurement piece 50 stretches out on base plate 20, when the pan was placed on base plate 20 like this, temperature measurement piece 50 moved down, the elastic component is compressed, after the pan was putd aside from base plate 20, temperature measurement piece 50 moved up under the elastic component spring action, can guarantee temperature measurement piece 50 and pan in close contact with through setting up the elastic component, in order to guarantee the accuracy of temperature measurement. However, since the area of the upper end surface of the temperature measuring member 50 is small, the contact area between the temperature measuring member 50 and the pot is too small, so that the temperature measuring member 50 can only measure the temperature of a small part of the pot, which not only results in inaccurate temperature measurement, but also may cause the stove 100 to continuously heat due to inaccurate temperature measurement, causing pot pasting, even fire, and the like.

In addition, in order to avoid the temperature measuring part 50 from being stuck, a certain gap is left between the temperature measuring part 50 and the temperature measuring hole 21 of the base plate 20, but when the gap is left between the temperature measuring part 50 and the base plate 20, the soup or water on the base plate 20 easily enters the electromagnetic oven from the gap, thereby damaging components in the electromagnetic oven.

Fig. 3 is a schematic structural diagram of a temperature sensing device according to an embodiment of the present invention; fig. 4 is a cross-sectional view of the temperature sensing device of fig. 3 according to an embodiment of the present invention.

To solve the above problem, in the present embodiment, as shown in fig. 3 and 4, the temperature measuring member 50 is mounted in the temperature measuring hole 21 of the base plate 20 through the supporting frame 40, and the outer edge of the top end surface 510 of the temperature measuring member extends to the top surface of the telescopic portion 42, so that the area of the top end surface 510 of the temperature measuring member is larger than the assembly hole 4221 of the telescopic end surface, thereby increasing the contact area between the temperature measuring member 50 and the pot, and further improving the accuracy of temperature measurement. Compared with the prior art, the area of the top end surface 510 of the temperature measuring part in the embodiment is larger than that of the top end surface 510 of the temperature measuring part in the prior art.

In addition, in this embodiment, in order to facilitate the temperature measuring component 50 to move up and down relative to the base plate 20, the upper end of the supporting frame 40 is provided with the telescopic part 42, and the telescopic part 42 can be made of silica gel, because the material of the silica gel is high temperature resistant and has good elasticity, the telescopic part 42 made of silica gel not only can realize up and down telescopic movement, but also can not melt in a high temperature state, so that the normal use of the stove 100 can be ensured; and simple structure, with low costs avoids adopting the flexible piece drive temperature measurement piece 50 flexible and cause the part structure of temperature measurement piece 50 assembly complicated and with high costs problem.

Meanwhile, the bearing frame 40 is arranged, the top end side wall of the bearing frame 40 is connected with the temperature measuring hole 21 in a sealing mode, the sealing performance between the temperature measuring hole 21 and the bearing frame 40 can be improved, water stains on the base plate 20 are prevented from entering the stove 100 through the temperature measuring hole 21 and damaging internal appliances of the stove 100, the service life of the stove 100 is prolonged, the assembling stability of the temperature measuring piece 50 in the cavity 11 can be improved, and the accuracy of temperature measurement of the temperature measuring piece 50 is further improved.

Further, in the present embodiment, the orthographic projection of the tip end surface 510 of the temperature measuring member toward the expansion part 42 is circular, and the diameter H (see fig. 4) of the circle is larger than 4.5 mm. Thus, by designing the orthographic projection of the top end surface 510 of the temperature measuring piece towards the telescopic end to be circular, the edge of the top end of the temperature measuring piece 50 can be smooth, and the cleaning is convenient; in addition, the diameter of the circle is limited to be larger than 4.5mm, compared with the prior art, the area of the top end of the temperature measuring piece 50 in the embodiment is larger, so that the contact area between the temperature measuring piece 50 and the cooker can be increased, and the temperature measuring accuracy can be improved.

Illustratively, the diameter of the tip end surface 510 of the prior art thermometric element is typically between 4.0 mm and 4.5 mm.

Further, in order to ensure that the temperature measuring member 50 can be conveniently mounted on the bearing frame 40, the diameter of the circle of the top end surface 510 of the temperature measuring member in the embodiment may be less than or equal to 8 mm. The circular size of the distal end surface 510 of the temperature measurement member may be specifically set according to specific circumstances, for example, 6mm, 7mm, 8mm, etc., and the size is not more than 8 mm.

It should be noted that, the diameter of the circle is limited to be less than or equal to 8mm, on one hand, the contact area between the top end of the temperature measuring piece 50 and the pot can be increased, so that the temperature measuring accuracy is increased, and on the other hand, the temperature measuring piece 50 can be conveniently mounted on the bearing frame 40; in addition, the area of the top end surface 510 of the temperature measurement member cannot be larger than the area of the temperature measurement hole 21, and the diameter of the circle of the top end surface 510 of the temperature measurement member is limited to be smaller than 8mm, so that the diameter of the temperature measurement hole 21 cannot be too large, the sealing performance between the bearing frame 40 and the base plate 20 cannot be affected by the too large temperature measurement hole 21, and in addition, the strength of the base plate 20 can be ensured.

The shape of the orthographic projection of the distal end surface 510 of the temperature measuring material toward the expansion portion 42 is not limited to a circle, and may be other shapes, for example: oval, quadrilateral, pentagonal, etc., as long as they can be easily mounted on the carriage 40 and can be moved up and down with the carriage 40.

It should be understood that the diameter of the circle of the top end surface 510 of the temperature measuring member should be smaller than the diameter of the temperature measuring hole 21, so as to ensure that the top end surface 510 of the temperature measuring member will not be stuck on the temperature measuring hole 21 when the temperature measuring member 50 moves up and down, thereby ensuring the normal use of the stove 100.

FIG. 5 is a schematic structural view of a temperature measuring member according to an embodiment of the present invention; FIG. 6 is a front view of the temperature measuring member of FIG. 5 according to an embodiment of the present invention; fig. 7 is a cross-sectional view of the temperature measuring member in fig. 5 according to the embodiment of the present invention.

Further, as shown in fig. 5 to 7, the temperature measuring member 50 may include: the temperature measuring device comprises a temperature conducting shell 51 and a temperature measuring element 52 arranged in the temperature measuring shell, wherein the lower end of the temperature measuring element 52 is provided with a lead 53, and a temperature measuring element 50 is connected with a circuit board of the cooking range 100 through the lead 53, so that the temperature measuring device has the function of measuring the temperature of the cookware. Through leading the setting of warm shell 51 like this, can conduct the temperature of pan bottom to temperature measurement element 52 through leading warm shell 51 as far as to when improving the accuracy of temperature measurement 50, can protect temperature measurement element 52, help improving the life of temperature measurement 50.

It should be noted that the temperature measuring element 52 can be attached to the inner wall of the temperature conducting shell 51, so that the temperature of the pot bottom can be directly transmitted to the temperature measuring element 52 through the inner top wall of the temperature conducting shell 51, 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 52 may be a heat sensitive patch with a negative Temperature system, such as an NTC (negative Temperature coefficient) patch.

Referring to fig. 7, the outer wall of the thermal shell 51 is further provided with a protrusion 511 or a groove 431 structure which is matched with the extension wall 43 of the carrier frame 40.

Illustratively, the thermally conductive housing 51 may be a ceramic piece, a metal piece, or other thermally conductive shell. The metal member may be aluminum or stainless steel, etc. When protecting temperature element 52 like this, can utilize the good heat conductivility of ceramic material and metal material, with the heat transfer of pan bottom to temperature element 52, help further realizing that temperature element 50 measures the temperature to the accuracy of pan bottom.

Fig. 8 is a schematic structural view of a bearing frame according to an embodiment of the present invention; FIG. 9 is a front view of the carrier of FIG. 8 provided by an embodiment of the present invention; fig. 10 is a cross-sectional view of the carrier of fig. 8 provided by an embodiment of the present invention.

Further, in order to ensure the stability of the pot and the flexibility of the telescoping portion 42 of the carrier 40 in use, referring to fig. 8-10, the telescoping portion 42 of the carrier 40 may include an arc-shaped region 421 and a plane region 422, the arc-shaped region 421 being located between the plane region 422 and the side wall 41 of the carrier; wherein, the plane area 422 is provided with a mounting hole 4221 for mounting the temperature measuring piece 50, and the diameter h (see figure 9) of the mounting hole 4221 is less than or equal to 4.5 mm.

By designing the telescopic part 42 to include the arc area 421 and the plane area 422, wherein the plane area 422 can ensure the stability of the cooker, the arc area 421 has smooth surface, simple structure and convenient extension. In addition, through offering the pilot hole 4221 that is used for assembling temperature measurement spare 50 on the plane region 422, can realize installing temperature measurement spare 50 on bearing frame 40, and then install in the inside of kitchen range 100, when can protecting temperature measurement spare 50, in order to improve temperature measurement spare 50's assembly stability, help the promotion of temperature measurement spare 50 temperature measurement accuracy. Meanwhile, the diameter of the assembling hole 4221 is limited to be less than or equal to 4.5mm, and the diameter of the top end surface 510 of the temperature measuring piece in the embodiment is greater than 4.5mm, so that after the temperature measuring piece 50 is mounted on the bearing frame 40, the outer edge of the top end surface 510 of the temperature measuring piece can extend to the top surface of the telescopic portion 42, and therefore the top end surface 510 of the temperature measuring piece can be higher than the plane area 422, close fit between the temperature measuring piece 50 and a pot is guaranteed, and temperature measuring accuracy of the temperature measuring piece 50 is improved.

For example, the diameter of the fitting hole 4221 may be 4mm, and the diameter of the circle of the top end surface of the temperature measuring part 50 may be 5mm, 6mm or 7 mm.

Further, in order to ensure that the contact area between the top end surface 510 of the temperature measurement member and the cookware is the largest, the orthographic projection of the top end surface 510 of the temperature measurement member towards the plane area 422 can completely cover the plane area 422. Therefore, the top end surface 510 of the temperature measuring piece completely covers the plane area 422, so that on one hand, the area of the top end surface 510 of the temperature measuring piece can be increased, and further, the contact area between the temperature measuring piece 50 and a pot can be increased, and the temperature measuring accuracy of the temperature measuring piece 50 is improved; in addition, the contact area of the temperature measuring piece 50 and the plane area 422 can be increased, so that when a cooker is pressed on the temperature measuring piece 50, the pressure of the temperature measuring piece 50 to the plane area 422 can be distributed to a larger area, the local stress of the plane area 422 is reduced, the plane area 422 can be prevented from being damaged due to the fact that the local pressure is too large, and the service life of the cooking range 100 can be prolonged.

It should be noted that the orthographic projection of the tip end surface 510 of the temperature measuring member toward the plane area 422 does not necessarily cover the plane area 422 completely, but may be smaller than the plane area 422, and the outer edge may extend to the top surface of the expansion portion 42 as long as the temperature measuring member can be stably mounted on the carrier frame 40, which falls within the protection scope of the present application.

Furthermore, the distance between the top end surface 510 of the temperature measuring part and the plane area 422 is more than or equal to 1 mm.

It should be noted that, the distance from the top end surface 510 of the temperature measuring piece to the plane area 422 is limited to be greater than or equal to 1mm, so that the top end surface 510 of the temperature measuring piece can be ensured to be higher than the top surface of the bearing frame 40, thereby ensuring that the pot can be in full contact with the temperature measuring piece 50 when being placed on the base plate 20, and ensuring the accurate temperature measurement of the temperature measuring piece 50; in addition, when the temperature measuring piece 50 needs to be replaced, the temperature measuring piece can be conveniently detached.

Illustratively, the distance from the top end surface of the temperature measuring part 50 to the plane area 422 can be 1mm, 2mm, 3mm, etc. It should be understood that, the distance that the top end face of the temperature measurement member 50 is higher than the plane area 422 should ensure the convenience of using the stove 100, that is, the distance should not be too large, and it is required to be within the maximum distance range of the up-and-down movement of the bearing frame 40, thereby ensuring that when the cookware is placed on the base plate 20, the telescopic part 42 of the bearing frame 40 is compressed downwards to the maximum limit, ensuring that the top end face of the temperature measurement group can be flush with the base plate 20, or lower than the base plate 20, ensuring that the top end face 510 of the temperature measurement member can be tightly attached to the cookware, and further ensuring the accuracy of temperature measurement.

Further, in order to achieve a more secure installation, the inner wall of the fitting hole 4221 may extend toward the inner bottom surface of the bottom cover 10 to form an extension wall 43, one of the extension wall 43 and the temperature measuring member 50 is provided with a groove 431, the other of the extension wall 43 and the temperature measuring member 50 is provided with a protrusion 511 engaged with the groove 431, and the temperature measuring member 50 is connected to the carrier frame 40 by the engagement of the groove 431 and the protrusion 511.

For example, as shown in fig. 10, in the present embodiment, a groove 431 is provided on the extending wall 43 of the carrier 40, a protrusion 511 is provided on the temperature measuring member 50, and the extending wall 43 and the temperature measuring member 50 are fixedly connected through the protrusion 511 and the groove 431.

It should be noted that, the extension wall 43 of the bearing frame 40 of the present invention is connected to the temperature measuring part 50 through the engaging structure of the protrusion 511 and the groove 431, that is, the protrusion 511 may be disposed on the extension wall 43, or may be disposed on the temperature measuring part 50, as long as one of the protrusion 511 is disposed thereon, and the other one of the protrusion 431 and the groove 431 is disposed thereon, so that the extending wall 43 and the temperature measuring part 50 are connected through the engaging structure of the protrusion 511 and the groove 431, which all belong to the protection scope of the present application. In this embodiment, a groove 431 is formed on the extension wall 43, and a protrusion 511 is formed on the temperature measuring member 50.

In addition, the number and width of the protrusions 511 and the grooves 431 are not further limited in this embodiment, as long as the connection can be stably achieved.

Further, the wall thickness of the bellows 42 at the arc-shaped region 421 is smaller than the wall thickness of the side wall 41 of the carrier and the planar region 422. In this way, the flexibility of the arc-shaped region 421 can be improved by making the wall thickness of the arc-shaped region 421 thinner, and the strength of the carrier 40 can be improved by making the wall thickness of the side wall 41 and the flat region 422 of the carrier thicker, so that the service life of the carrier 40 can be prolonged.

Further, as shown in fig. 8, in order to ensure the sealing property of the connection between the temperature measuring hole 21 and the carrier frame 40, the side wall 41 of the carrier frame has a connection portion 44 with an outward protrusion 511, the connection portion 44 is connected to the back surface of the base plate 20 in a sealing manner, the side of the connection portion 44 facing the base plate 20 has a plurality of water blocking protrusions 441 with the outward protrusion 511, and the water blocking protrusions 441 are spaced from one end of the side wall of the carrier frame 40 of the connection portion 44 to the other end of the connection portion 44. When the mounting is performed, one end of the connecting portion 44 of the carrier 40 is abutted against the heating unit 30, and the other end is abutted against the base plate 20, thereby fixing the carrier 40 to the range 100.

It should be noted that the diameter of the cross section of the side wall 41 of the bearing frame is larger than the diameter of the temperature measuring hole 21, so that when the bearing frame 40 is installed, the bearing frame 40 and the temperature measuring hole 21 can be in a sealed connection through interference fit, so that the bearing frame 40 and the temperature measuring hole 21 can be in a sealed connection. It will be appreciated that the diameter of the cross-section of the side wall 41 of the carrier should be slightly larger than the diameter of the temperature sensing bore 21 so as to ensure that the carrier 40 is mounted within the temperature sensing bore 21.

It will be appreciated that the connection portion 44 is provided to facilitate the connection of the carrier 40 to the base plate 20 and to increase the sealing between the carrier 40 and the base plate 20, so as to increase the contact area between the carrier 40 and the base plate 20, and thus to effectively extend the flow path of the liquid when the liquid penetrates through the gap between the carrier 40 and the temperature measuring hole 21 during use, and to prevent the liquid from evaporating and entering the inside of the range 100 during a longer flow path.

In addition, by providing the water blocking protrusion 441 on the surface of the connection portion 44 facing the base plate 20, the water blocking protrusion 441 can achieve the sealing connection between the carrier 40 and the base plate 20, so as to prevent water stains from entering the interior of the range 100 through the gap between the carrier 40 and the temperature measuring hole 21, and even if liquid enters, the water blocking protrusion 441 can limit the liquid at the connection portion 44, so that the liquid is eliminated in an evaporating manner, and the range 100 is prevented from being damaged.

Further, the water blocking protrusion 441 of the connecting portion 44 in this embodiment is an annular rib disposed around the sidewall 41 of the bearing frame, the water blocking protrusion 441 in this embodiment is an arc-shaped rib, and the two water blocking protrusions 441 are disposed on the connecting portion 44 at intervals.

It should be noted that the shape and number of the water blocking protrusions 441 are not limited to the protection scope of the present application, and the shape and number of the water blocking protrusions 441 may be specifically set according to specific situations, and all that is required is to perform the sealing function.

In addition, annular grooves and water blocking protrusions 441 may be formed at intervals on the connection portion 44, so that the liquid entering the connection portion 44 may be confined in the annular grooves, which may provide a longer time for the evaporation of the liquid.

Further, in the present embodiment, the connecting portion 44, the water blocking protrusion 441, the side wall 41 of the bracket 40, and the expansion portion 42 are integrally formed of a silicone material. Like this through bearing frame 40 and designing into integrated into one piece's silica gel spare, the material of silica gel is high temperature resistant on the one hand, can satisfy the operation requirement of kitchen range 100, and in addition, the material elasticity of silica gel is good, can guarantee to bear the elasticity of frame 40, and then guarantees the temperature measurement precision of temperature measurement piece 50 and kitchen range 100's life.

It should be noted that the material of the carrier 40 is not limited to silicone, but may be other materials, such as: the rubber material may have a certain elasticity.

Fig. 11 is a perspective view of a support ring according to an embodiment of the present invention; fig. 12 is a front view of the support ring of fig. 11 in accordance with an embodiment of the present invention; fig. 13 is a cross-sectional view in the direction of B-B of the support ring of fig. 11 according to an embodiment of the present invention.

Further, as shown in fig. 11-13, the stove 100 of the present invention may further include: a support ring 60, the support ring 60 being fixed to the heating unit 30 and/or the bottom cover 10, and the carriage 40 being seated on the support ring 60. The support ring 60 is provided with a guide cylinder 61 therein, the bottom end of the temperature measuring part 50 is positioned in the guide cylinder 61, and the bottom end of the support ring 60 is provided with an opening 62 which is communicated with the guide cylinder 61 and through which the lead 53 of the temperature measuring part 50 can pass.

It should be noted that, by the arrangement of the support ring 60, the bearing frame 40 is conveniently mounted on the substrate 20, and the bearing frame 40 is supported, so as to ensure that the temperature measuring member 50 can be mounted on the substrate 20, and further improve the temperature measuring accuracy of the temperature measuring member 50.

In addition, the guide cylinder 61 is arranged in the support ring 60, so that the vertical extension of the temperature measuring part 50 can be guided, the temperature measuring part 50 can extend vertically along a fixed direction, the temperature measuring part 50 can rebound after being compressed, the normal use of the temperature measuring part 50 is ensured, and the temperature measuring accuracy of the temperature measuring part 50 is improved; in addition, the opening 62 is provided at the bottom end of the support ring 60, so that the lead 53 of the temperature measuring element 50 can pass through the guide cylinder 61 to be electrically connected with the circuit board in the stove 100.

Further, in a further embodiment of the present invention, the stove 100 may further include: and an elastic member, wherein one end of the elastic member abuts against a surface of the expansion portion 42 facing the support ring 60, and the other end of the elastic member is connected with the inner bottom wall of the support ring 60.

It should be noted that, through the setting of elastic component, can assist the flexible portion 42 of mounting to reset fast after being compressed to when the elasticity of flexible portion 42 is not enough, can guarantee that temperature measurement piece 50 and the bottom surface contact of pan are good, and then guarantee the accuracy of temperature measurement, in addition, temperature measurement piece 50 can get back to initial position after the pan leaves kitchen range 100.

The elastic member may have a spring structure or another elastic structure as long as it has elasticity.

Further, as shown in fig. 4, fig. 6 and fig. 11, the bottom end of the thermometric element 50 has a limiting protrusion 512 protruding outward 511, and the top end of the guiding cylinder 61 has an inner edge 611 blocking and limiting the limiting protrusion 512.

It should be noted that, in the present embodiment, the limiting protrusion 512 is an annular protrusion 511 structure surrounding the temperature measuring element 50, and it may also be another structure, for example, a protrusion 511 structure disposed at intervals around the temperature measuring element 50. Therefore, the size and shape of the limiting protrusion 512 and the limiting inner edge 611 are not further limited in this embodiment, and the limiting protrusion and the limiting inner edge 611 can perform the limiting function, which belongs to the protection scope of the present application. The limiting inner edge 611 in this embodiment is two structures protruding inward from the inner side wall of the guide cylinder 61, and it should be noted that the structure of the limiting inner edge 611 is not limited to the structure shown in the drawings, and the number and the shape of the limiting inner edge 611 can be specifically set according to specific situations, for example, three or four limiting inner edges can be provided, or the limiting inner edge 611 can be designed as an annular protrusion 511 structure, so that the structure of the limiting inner edge 611 is not further limited in this embodiment, and belongs to the protection scope of this application as long as the temperature measuring element 50 can be limited.

In addition, the limiting bulge 512 and the limiting inner edge 611 are arranged to ensure that the paths of the temperature measuring part 50 stretching up and down are on the same straight line, so that the stretching and the blocking of the temperature measuring part 50 can be avoided; in addition, the temperature measuring part 50 can be fixed in the stove 100 by arranging the limiting protrusion 512 and the limiting inner edge 611, so that the installation stability of the temperature measuring part 50 in the stove 100 can be enhanced.

By way of illustration, the cross-sectional direction of the support ring 60 in fig. 2 and 4 is the C-C direction.

Further, a water guide cylinder 63 is arranged at the bottom end of the support ring 60, the top end of the water guide cylinder 63 is communicated with the inside of the support ring 60 and the guide cylinder 61, and the bottom end of the water guide cylinder 63 is communicated with the water drain hole 12 on the bottom cover 10; the inner bottom surface of the bottom cover 10 is provided with a surrounding baffle 13 around the drain hole 12, the surrounding baffle 13 and the partial inner bottom surface of the bottom cover 10 form a liquid collecting tank, and the bottom end of the water guide cylinder 63 extends into the surrounding baffle 13.

It should be noted that, in the use process, liquid may enter the stove 100, in this embodiment, the liquid entering the stove 100 from the mounting hole 4221 of the carrier 40 can be guided into the drainage hole 12 on the bottom cover 10 by the water guiding tube 63, and then discharged out of the stove 100; in addition, the liquid entering the stove 100 can be limited in the liquid collecting groove from the assembly hole 4221 of the bearing frame 40 by arranging the liquid collecting groove around the drain hole 12 and then drained through the drain hole 12, so that the liquid can be prevented from entering other parts of the stove 100, and the risk of burning is avoided.

The embodiment of the utility model provides a kitchen range 100 is through setting up the mounting, installs temperature measurement piece 50 in temperature measurement hole 21 to on extending to the top surface of pars contractilis 42 with the outward flange of side wall subassembly top end face, increased the area of contact of temperature measurement piece 50 and pan, help realizing the accurate temperature measurement of temperature measurement piece 50 to the pan bottom.

In addition, the telescopic end of the bearing frame 40 is made of silica gel, so that the vertical telescopic structure can be realized by utilizing the structure of the bearing frame, and the bearing frame is simple in structure, low in cost and good in sealing performance.

Claims (10)

1. A temperature sensing apparatus, characterized by comprising: the temperature measuring device comprises a temperature measuring piece (50) and a bearing frame (40), wherein the top end face of the bearing frame (40) is provided with a telescopic part (42), the top end of the temperature measuring piece (50) penetrates through the telescopic part (42), and the outer edge of the top end face (510) of the temperature measuring piece extends to the top face of the telescopic part (42).

2. The temperature sensing apparatus according to claim 1, wherein an orthographic projection of a tip end surface (510) of the temperature measuring member toward the stretchable portion (42) is a circle having a diameter larger than 4.5 mm.

3. The temperature sensing apparatus of claim 2, wherein the diameter of the circle is less than or equal to 8 mm.

4. A temperature sensing device according to any one of claims 1-3, wherein the bellows (42) comprises an arc-shaped area (421) and a plane area (422), the arc-shaped area (421) being located between the plane area (422) and a side wall (41) of the carrier;

the plane area (422) is provided with an assembling hole (4221) for assembling the temperature measuring piece (50), and the diameter of the assembling hole (4221) is less than or equal to 4.5 mm.

5. The temperature sensing apparatus of claim 4, wherein an orthographic projection of a tip end face (510) of the temperature sensing member toward the planar region (422) completely covers the planar region (422).

6. The temperature sensing apparatus of claim 4, wherein a distance from a tip end surface (510) of the temperature sensing member to the plane area (422) is 1mm or more.

7. The temperature sensing device according to claim 4, wherein a wall thickness of the bellows (42) at the arc-shaped region (421) is smaller than a wall thickness of the side wall (41) of the carrier and the planar region (422).

8. A temperature sensing device according to any of claims 1-3, wherein the side wall (41) of the carrier has an outwardly protruding connection portion (44), the connection portion (44) being adapted for sealing connection with a base plate (20) of a stove.

9. The temperature sensing apparatus according to any one of claims 1 to 3, further comprising: a support ring (60), the carrier (40) being located on the support ring (60).

10. A range, comprising: bottom lid (10) and base plate (20), base plate (20) enclose with bottom lid (10) and become a cavity (11), still include: a temperature sensing device according to any one of claims 1 to 9, wherein the base plate (20) is provided with a temperature sensing hole (21),

the top end side wall of the bearing frame (40) of the temperature sensing equipment is hermetically connected with the temperature measuring hole (21).

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