CN216147896U

CN216147896U - Cutter recognition mechanism, electric cooker, and replaceable component recognition mechanism

Info

Publication number: CN216147896U
Application number: CN202122276758.6U
Authority: CN
Inventors: 方志华; 李超
Original assignee: Zhejiang Tianluo Yunchu Technology Co ltd
Current assignee: Zhejiang Tianluo Yunchu Technology Co ltd
Priority date: 2021-09-18
Filing date: 2021-09-18
Publication date: 2022-04-01
Anticipated expiration: 2031-09-18

Abstract

The utility model relates to a cutter identification mechanism, an electric cooker and a replaceable component identification mechanism, wherein a cutter comprises a container and a plurality of cutters, the cutters penetrate into the container from the outside, and the plurality of cutters are arranged; each cutter is matched and can be replaced and arranged on the container; at least one cutter is provided with a contact surface; the positions of the corresponding contact surfaces of different cutters with the contact surfaces are different; at least, when a cutter with a contact surface is arranged on the container, the first end of the elastic element is directly or indirectly abutted against the contact surface of the cutter with the contact surface, and the second end of the elastic element is directly or indirectly abutted against the pressure sensor. The cutter can be identified; the identification mechanism is not easy to damage under the conditions of high temperature and high rotating speed of the cutter, and the stability is good; the accuracy is high; the structure is simple and reasonable.

Description

Cutter recognition mechanism, electric cooker, and replaceable component recognition mechanism

Technical Field

The utility model relates to the technical field of tool identification, in particular to a cutter identification mechanism and a replaceable component identification mechanism.

The utility model also relates to the technical field of electric cookers, in particular to an electric cooker.

Background

Chinese patent application No. 201410005535.8 discloses a food processor, a method for intelligently controlling a food processor disclosed in application No. 201610343110.7 and a method for remotely and intelligently controlling a food processor disclosed in 201610348656.1 as control methods thereof. The product has multiple functions of stirring, dough kneading, wall breaking and the like, and different cutters need to be replaced for realizing the multiple functions. When the user uses the equipment, if the replacement error occurs when the cutter is replaced again, the cutter used for the A function can be operated according to the operation mode of the B function in the subsequent operation process, and misoperation is caused. Tool identification is required. However, in the prior art, due to the working environment and working temperature limitations, the prior art does not have the identification technology of the tool.

The existing cutter identification technology in other fields generally adopts radio frequency identification; but the radio frequency identification technology is applied to the field, so that the chip is easy to damage at high speed and high temperature; and the accuracy of recognition cannot be guaranteed.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a cutter identifying mechanism capable of identifying a cutter.

The utility model provides a cutter identification mechanism, which comprises a container, cutters penetrating into the container from the outside, an elastic piece and a pressure sensor, wherein the plurality of cutters are arranged, and parts on the cutters are also considered as the cutters; each cutter is matched and can be replaced and arranged on the container; at least one cutter is provided with a contact surface; the positions of the corresponding contact surfaces of different cutters with the contact surfaces are different; when a cutter with a contact surface is arranged on the container, the first end of the elastic element is directly or indirectly abutted against the contact surface of the cutter with the contact surface, and the second end of the elastic element is directly or indirectly abutted against the pressure sensor; the meaning of the container in this patent means: the container capable of bearing materials comprises a pot, a stirring cup and the like, wherein the external driving cutter extends into the container, namely the cutter penetrates through the wall of the container or directly enters the container from the opening of the container, the working end of the cutter is positioned in the container, and the rear half section of the cutter penetrates out of the container and is driven by a driving device positioned outside the container to drive the working end of the cutter to operate; the replacement mode that the cutter is matched with the container and can be replaced and installed on the container comprises the following steps: the replacement can be carried out directly without disassembling the equipment, and also comprises the replacement by disassembling the equipment; at least one cutter is provided with a contact surface, which means that: all the cutters can be provided with contact surfaces, or only part of the cutters can be provided with contact surfaces; different cutters with contact surfaces have different corresponding contact surface positions, which means that: when the equipment is installed, the distances from the contact surface to the pressure sensor are different; at least, when a cutter with a contact surface is arranged on the container, the first end of the elastic element is abutted against the contact surface of the cutter with the contact surface in a direct or indirect mode, and the second end of the elastic element is abutted against the pressure sensor in a direct or indirect mode, namely, when a plurality of cutters are respectively arranged on the container, at least when one cutter is arranged, the elastic element deforms and provides pressure to the pressure sensor, or when the cutters are arranged on the container, the elastic element can elastically deform and provide pressure to the pressure sensor, but the cutters have different pressures and the pressures provided to the pressure sensors are not completely the same; the position of the pressure sensor is defined as a fixed position. That is, the pressure sensor is fixed in position relative to the container at least when the container is mounted on the container holder, and the pressure sensor may be fixed directly to the container or may be fixed to the container holder on which the container is mounted.

Further, when the cutter is mounted on the container, the elastic member, the pressure sensor and the contact surface of the cutter are all located outside the container. Avoid the container inside to have too many facilities, influence the container and use, reduce the intercommunication port between the container is inside and outside moreover, avoid using a plurality of sealing washers.

Further, a first hole is formed in the container wall; the cutter comprises a tubular stator detachably fixed in the first hole and a rotor rotatably arranged in the stator; be provided with the round step on the stator surface of cutter, the step is as the inside one side of container dorsad touches the face, and the inside one side of container dorsad can be: perpendicular to or inclined to the outer wall of the stator; the specific structure of the step can be as follows: the circumscribed circle of one side of the outer contour of the stator close to the inside of the container is thicker than the circumscribed circle of one side far away from the inside of the container, and a step is formed at the butt joint of the circumscribed circle and the circumscribed circle; it can also be: an annular bulge is formed on the stator, and one side of the annular bulge, which is back to the inside of the container, is used as the step; and different cutters with contact surfaces have different distances from the pressure sensor on the surface of the corresponding step back to the inside of the container. The whole structure is simple and reasonable.

The container further comprises a bottom shell which is fixed on the lower side of the bottom of the container, and an installation space is formed between the bottom shell and the bottom of the container; the hole I is positioned at the bottom of the container, and a hole II corresponding to the hole I is formed in the bottom shell; the bottom shell is also provided with a plurality of longitudinal guide rods which extend upwards around the hole; the sliding piece slides up and down on the longitudinal guide rod; a third hole corresponding to the first hole is formed in the sliding sheet; the part of the cutter below the contact surface passes through the hole III, and the outer contour of the cutter above the contact surface is larger than that of the hole III and is limited to be incapable of passing through the hole III; the sliding sheet is abutted against the first end of the elastic piece in a direct or indirect mode; the vertical guide rod is further provided with a spring, the upper end of the spring is supported on the lower surface of the sliding sheet, the lower end of the spring is supported on the upper surface of the bottom shell, and the upper surface of the sliding sheet abuts against the lower part of the contact surface. The part of the cutter below the contact surface penetrates through the third hole, and the contact surface presses the sliding sheet down, so that the cutter is convenient to replace; and the stability is better, is difficult for damaging this cutter identification mechanism when changing the cutter.

The pressure sensor is fixed at the bottom of the longitudinal mounting hole, the elastic piece is installed in the longitudinal mounting hole, and a longitudinal push rod is fixed on the lower surface of the sliding sheet; when the container is arranged on the container seat, the lower end of the push rod is propped against the first end of the elastic piece. The interior of the container seat is generally of a waterproof structure, but a bottom shell is provided with a plurality of openings, and the cutter rotor is also required to be driven by a transmission mechanism, so that the waterproof effect is difficult to achieve; the structure not only avoids arranging the circuit in the container seat, but also avoids the excessive increase of the weight of the container.

Different from the above further scheme, the tool identification mechanism may further be: when the cutter is installed on the container, the contact surface is positioned in the container, and the elastic piece and the pressure sensor are positioned outside the container; the wall of the container is provided with a hole IV which is matched with the feeler lever to pass through, and the feeler lever passes through the hole IV; the feeler lever is located the one end of container and directly or indirectly supports on the contact surface, the feeler lever is located the outer one end of container and directly or indirectly supports in the first end of elastic component.

Further, a first hole is formed in the wall of the container; the cutter comprises a tubular stator detachably fixed in the first hole and a rotor rotatably arranged in the stator; the rotor comprises a shaft and a cutter head detachably connected to the shaft, and the cutter head is positioned in the container; a circular ring is rotationally connected onto the cutter head, the circular ring is positioned in the container, and one surface of the circular ring, facing the inner wall of the container, is used as the contact surface; the distance between the surface of the corresponding circular ring facing the inner wall of the container and the inner wall of the container is different for different cutters with contact surfaces. This solution can be applied to a tool changing solution in which the tool head is changed directly in the container.

The container further comprises a bottom shell which is fixed on the lower side of the bottom of the container, and an installation space is formed between the bottom shell and the bottom of the container; a second hole corresponding to the first hole is formed in the bottom shell; the hole is positioned at the bottom of the container; the stator is provided with a third hole, the stator penetrates through the third hole, and the sliding sheet takes the stator as a sliding rod to slide up and down on the stator; the sliding sheet and the bottom shell are supported by a spring; the lower end of the feeler lever is fixed with the sliding sheet, and the sliding sheet is abutted against the first end of the elastic piece in a direct or indirect mode. The whole structure is simple and reasonable, and the use is safe and convenient.

Further, an annular heating unit surrounding the first hole is fixed on the outer surface of the bottom of the container, and the annular heating unit is located in the installation space; the first hole corresponds to a round hole in the middle of the annular heating unit; when the cutter is fixed on the container, an annular cavity is formed between the annular heating unit and the cutter; the sliding sheet is movably arranged in the annular cavity in a matched mode. The annular heating unit can be used for limiting the position of the spring, and the whole structure is simple and reasonable.

The tool type detection device further comprises a control unit, wherein the control unit is electrically connected with the pressure sensor, and determines the type of the mounted tool according to the range of the pressure value provided by the pressure sensor.

The main purpose of the technology is to satisfy the use of the electric cooking device, but the technology is not limited to the use of the electric cooking device, and the technology can also be an identification mechanism of any other replaceable component, which is specifically as follows:

the utility model provides an electric cooker, which comprises a container and a plurality of cutters penetrating into the container from the outside, and is characterized by also comprising an elastic piece and a pressure sensor, wherein the plurality of cutters are arranged, and are matched and arranged on the container in a replaceable way; at least one cutter is provided with a contact surface; the positions of the corresponding contact surfaces of different cutters with the contact surfaces are different; when a cutter with a contact surface is arranged on the container, the first end of the elastic element is directly or indirectly abutted against the contact surface of the cutter with the contact surface, and the second end of the elastic element is directly or indirectly abutted against the pressure sensor; the position of the pressure sensor is defined as a fixed position. The pressure sensor is fixed with the container or fixed with a container seat for bearing the container.

The utility model also provides an identification mechanism of the replaceable component, which comprises the replaceable component and a mounting seat for mounting the replaceable component, and is characterized by also comprising a plurality of elastic parts and pressure sensors, wherein each replaceable component is matched with and mounted on the mounting seat in a replaceable way; at least one replaceable component is provided with a contact surface; the positions of the corresponding contact surfaces of different replaceable parts with the contact surfaces are different; when a replaceable component with a contact surface is installed on the installation seat, a first end of the elastic piece is abutted against the contact surface of the replaceable component with the contact surface in a direct or indirect mode, and a second end of the elastic piece is abutted against the pressure sensor in a direct or indirect mode; the position of the pressure sensor is defined as a fixed position. The pressure sensor is fixed with the mounting seat or fixed with a facility for bearing the mounting seat.

The working mode is as follows: taking the tool recognition mechanism as an example, when the tools are installed in the container, the elastic members are compressed to different degrees due to different contact surface positions corresponding to different tools, and of course, if the elastic members are torsion springs or tension springs, the torsion degrees or the tension degrees correspond to the elastic members. Then the pressure sensed by the pressure sensor is also different. The control unit determines the category of the mounted tool according to the range to which the pressure value provided by the pressure sensor belongs.

The technical scheme provided by the utility model has the beneficial effects that: firstly, a cutter can be identified; secondly, the identification mechanism is not easy to damage under the conditions of high temperature and high rotating speed of the cutter, and compared with the radio frequency identification technology, the stability is good; compared with the radio frequency identification technology, the accuracy is high; and compared with the electronic tag identification technology of direct electric connection, the electric tag identification technology does not need to be provided with a circuit connected to the cutter, and the structure is simple and reasonable.

Drawings

Fig. 1 is a schematic internal structure diagram according to a first embodiment of the present invention.

Fig. 2 is an enlarged view of a point a in fig. 1.

Fig. 3 is an enlarged view at a1 in fig. 2.

Fig. 4 is a schematic structural diagram of a second embodiment of the present invention.

Fig. 5 is a schematic structural diagram of a in fig. 4.

Detailed Description

The present invention will be further described with reference to the following embodiments.

The first embodiment is as follows:

as shown in fig. 1 to 3, the present embodiment discloses a knife recognition device of an electric cooker, which comprises a container 1 and a knife 2 penetrating into the container 1 from the outside, and further comprises an elastic member 3 and a pressure sensor 4, wherein a plurality of knives 2 are provided; each cutter 2 is matched and can be replaced and arranged on the container 1; at least one cutter 2 is provided with a contact surface 200; different cutters 2 with the contact surfaces 200 have different positions of the corresponding contact surfaces 200; at least, when a cutter 2 with a contact surface 200 is arranged on the container 1, a first end of the elastic element 3 is directly or indirectly abutted against the contact surface 200 of the cutter 2 with the contact surface 200, and a second end of the elastic element 3 is directly or indirectly abutted against the pressure sensor 4; the structure that the externally-driven cutter 2 extends into the container 1 means that the cutter 2 penetrates through the wall of the container 1 or directly enters the container 1 from the opening of the container 1, the working end of the cutter 2 is positioned in the container 1, and the rear half section of the cutter 2 penetrates out of the container 1 and is driven by a driving device positioned outside the container 1 to drive the working end of the cutter 2 to operate; the replacement mode that the cutter 2 is matched with the container 1 to be installed on the container in a replaceable way comprises the following steps: the replacement can be carried out directly without disassembling the equipment, and also comprises the replacement by disassembling the equipment; the contact surface 200 provided on at least one of the cutters 2 means: all of the plurality of cutters 2 may have the contact surfaces 200, or only some of the cutters 2 may have the contact surfaces 200; different cutters 2 with different contact surfaces 200 have different positions of the corresponding contact surfaces 200, which means that: when the equipment is installed, the distance between the contact surface 200 and the pressure sensor 4 is different; at least, when a cutter 2 with a contact surface 200 is mounted on the container 1, a first end of the elastic element 3 abuts against the contact surface 200 of the cutter 2 with the contact surface 200 in a direct or indirect manner, and a second end of the elastic element 3 abuts against the pressure sensor 4 in a direct or indirect manner, that is, when a plurality of cutters 2 are mounted on the container 1 respectively, at least when one cutter 2 is mounted, the elastic element 3 deforms to provide pressure to the pressure sensor 4, or when a plurality of cutters 2 are mounted on the container 1, the elastic element 3 elastically deforms to provide pressure to the pressure sensor 4, but the cutters 2 are different, and the pressures provided to the pressure sensors 4 are not completely the same; the position of the pressure sensor 4 is defined as a fixed position. That is, at least when the container 1 is mounted on the container holder 7, the pressure sensor 4 is fixed in position with respect to the container 1, and the pressure sensor 4 may be fixed directly to the container 1 or may be fixed to the container holder 7 for mounting the container 1.

When the tool 2 is mounted on the container 1, the elastic member 3, the pressure sensor 4 and the contact surface 200 of the tool 2 are all located outside the container 1. Avoid 1 inside of container to have too many facilities, influence container 1 and use, reduce the intercommunication port between the container 1 inside and outside moreover, avoid using a plurality of sealing washers.

A first hole 11 is formed in the wall of the container 1; the cutter 2 comprises a tubular stator 21 detachably fixed in the first hole 11 and a rotor 22 rotatably arranged in the stator 21; a circle of steps are arranged on the outer surface of the stator 21 of the cutter 2, one surface of each step, which faces away from the inside of the container 1, serves as the contact surface 200, and the surface, which faces away from the inside of the container 1, can be: perpendicular or oblique to the outer wall of the stator 21; the specific structure of the step can be as follows: the circumscribed circle of one side of the outer contour of the stator 21 close to the inside of the container 1 is thicker than the circumscribed circle of one side far away from the inside of the container 1, and a step is formed at the butt joint of the circumscribed circle and the circumscribed circle; it can also be: an annular bulge is formed on the stator 21, and one side of the annular bulge, which is back to the inside of the container 1, is used as the step; different cutters 2 with contact surfaces 200 have different distances from the pressure sensor 4 on the side of the corresponding step facing away from the interior of the container 1. The whole structure is simple and reasonable.

The container further comprises a bottom shell 5, wherein the bottom shell 5 is fixed at the lower side of the bottom of the container 1, and an installation space 500 is formed between the bottom shell 5 and the bottom of the container 1; the first hole 11 is positioned at the bottom of the container 1, and a second hole 51 corresponding to the first hole 11 is formed in the bottom shell 5; the bottom shell 5 is also provided with a plurality of longitudinal guide rods 52 which extend upwards around the second hole 51; a slide 6 sliding up and down on the longitudinal guide rod 52; a third hole 61 corresponding to the first hole 11 is formed in the sliding sheet 6; the part of the cutter 2 below the contact surface 200 passes through the hole three 61, and the outer contour of the cutter 2 above the contact surface 200 is larger than that of the hole three 61 and is defined as not passing through the hole three 61; the sliding sheet 6 is abutted against the first end of the elastic piece 3 in a direct or indirect mode; the longitudinal guide rod 52 is further provided with a spring 53, the upper end of the spring 53 is supported on the lower surface of the sliding sheet 6, the lower end of the spring 53 is supported on the upper surface of the bottom shell 5, and the upper surface of the sliding sheet 6 is abutted below the contact surface 200. The part of the cutter 2 below the contact surface 200 penetrates through the third hole 61, and the contact surface 200 presses the sliding sheet 6 downwards, so that the cutter 2 is convenient to replace; and the stability is better, be difficult for damaging this cutter identification mechanism when changing cutter 2.

The container is characterized by further comprising a container seat 7 for mounting the container 1, wherein a longitudinal mounting hole 71 is formed in the container seat 7, the pressure sensor 4 is fixed at the bottom of the longitudinal mounting hole 71, the elastic piece 3 is mounted in the longitudinal mounting hole 71, and a longitudinal push rod 8 is fixed on the lower surface of the sliding piece 6; when the container 1 is mounted on the container seat 7, the lower end of the push rod 8 abuts against the first end of the elastic member 3. The interior of the container seat 7 is generally of a waterproof structure, but the bottom shell 5 is provided with a plurality of openings, and the rotor 22 of the cutter 2 needs to be driven by a transmission mechanism, so that the waterproof effect is difficult to achieve; this construction not only avoids placing the circuit in the receptacle 7, but also avoids an excessive increase in the weight of the container 1.

The tool changer further comprises a control unit which is electrically connected with the pressure sensor 4 and determines the category of the mounted tool 2 according to the range of the pressure value provided by the pressure sensor 4.

The second embodiment is as follows:

as shown in fig. 4 and 5, the present embodiment discloses a knife recognition device of an electric cooker, comprising a container 1 and a knife 2 penetrating into the container 1 from the outside, further comprising an elastic member 3 and a pressure sensor 4, wherein a plurality of knives 2 are provided; each cutter 2 is matched and can be replaced and arranged on the container 1; at least one cutter 2 is provided with a contact surface 200; different cutters 2 with the contact surfaces 200 have different positions of the corresponding contact surfaces 200; at least, when a cutter 2 with a contact surface 200 is arranged on the container 1, a first end of the elastic element 3 is directly or indirectly abutted against the contact surface 200 of the cutter 2 with the contact surface 200, and a second end of the elastic element 3 is directly or indirectly abutted against the pressure sensor 4; the structure that the externally-driven cutter 2 extends into the container 1 means that the cutter 2 penetrates through the wall of the container 1 or directly enters the container 1 from the opening of the container 1, the working end of the cutter 2 is positioned in the container 1, and the rear half section of the cutter 2 penetrates out of the container 1 and is driven by a driving device positioned outside the container 1 to drive the working end of the cutter 2 to operate; the replacement mode that the cutter 2 is matched with the container 1 to be installed on the container in a replaceable way comprises the following steps: the replacement can be carried out directly without disassembling the equipment, and also comprises the replacement by disassembling the equipment; the contact surface 200 provided on at least one of the cutters 2 means: all of the plurality of cutters 2 may have the contact surfaces 200, or only some of the cutters 2 may have the contact surfaces 200; different cutters 2 with different contact surfaces 200 have different positions of the corresponding contact surfaces 200, which means that: when the equipment is installed, the distance between the contact surface 200 and the pressure sensor 4 is different; at least, when a cutter 2 with a contact surface 200 is mounted on the container 1, a first end of the elastic element 3 abuts against the contact surface 200 of the cutter 2 with the contact surface 200 in a direct or indirect manner, and a second end of the elastic element 3 abuts against the pressure sensor 4 in a direct or indirect manner, that is, when a plurality of cutters 2 are mounted on the container 1 respectively, at least when one cutter 2 is mounted, the elastic element 3 deforms to provide pressure to the pressure sensor 4, or when a plurality of cutters 2 are mounted on the container 1, the elastic element 3 elastically deforms to provide pressure to the pressure sensor 4, but the cutters 2 are different, and the pressures provided to the pressure sensors 4 are not completely the same; the position of the pressure sensor 4 is defined as a fixed position. That is, at least when the container 1 is mounted on the container holder 7, the pressure sensor 4 is fixed in position with respect to the container 1, and the pressure sensor 4 may be fixed directly to the container 1 or may be fixed to the container holder 7 for mounting the container 1.

When the cutter 2 is mounted on the container 1, the contact surface 200 is positioned in the container 1, and the elastic element 3 and the pressure sensor 4 are positioned outside the container 1; the container also comprises a feeler lever 9, a hole four 12 which is matched with the feeler lever 9 to pass through is formed in the wall of the container 1, and the feeler lever 9 passes through the hole four 12; the end of the feeler lever 9 located in the container 1 directly or indirectly abuts against the contact surface 200, and the end of the feeler lever 9 located outside the container 1 directly or indirectly abuts against the first end of the elastic element 3.

A first hole 11 is formed in the wall of the container 1; the cutter 2 comprises a tubular stator 21 detachably fixed in the first hole 11 and a rotor 22 rotatably arranged in the stator 21; the rotor 22 comprises a shaft 221 and a cutter head 222 detachably connected to the shaft 221, and the cutter head 222 is positioned in the container 1; a circular ring 223 is rotatably connected on the cutter head 222, the circular ring 223 is positioned in the container 1, and one surface of the circular ring 223 facing the inner wall of the container 1 is used as the contact surface 200; different cutters 2 with contact surfaces 200 have different distances from the inner wall of the container 1 on the side of the corresponding circular ring 223 facing the inner wall of the container 1. This solution can be applied to a tool 2 change solution in which the tool head 222 is changed directly in the container 1.

The container further comprises a bottom shell 5, wherein the bottom shell 5 is fixed at the lower side of the bottom of the container 1, and an installation space 500 is formed between the bottom shell 5 and the bottom of the container 1; a second hole 51 corresponding to the first hole 11 is formed in the bottom shell 5; the first hole 11 is positioned at the bottom of the container 1; the sliding piece 6 is provided with a hole III 61, the stator 21 penetrates through the hole III 61, and the sliding piece 6 slides up and down on the stator 21 by taking the stator 21 as a sliding rod; the slide sheet 6 and the bottom shell 5 are supported by a spring 53; the lower end of the feeler lever 9 is fixed with the sliding sheet 6, and the sliding sheet 6 is abutted against the first end of the elastic part 3 in a direct or indirect mode. The whole structure is simple and reasonable, and the use is safe and convenient.

The outer surface of the bottom of the container 1 is fixed with an annular heating unit 13 which surrounds the first hole 11, and the annular heating unit 13 is positioned in the installation space 500; the first hole 11 corresponds to a circular hole in the middle of the annular heating unit 13; when the tool 2 is fixed on the container 1, an annular cavity 130 is formed between the annular heating unit 13 and the tool 2; the sliding sheet 6 is movably arranged in the annular cavity 130 in a matching mode. The annular heating unit 13 can be used for limiting the position of the spring 53, and the whole structure is simple and reasonable.

The present invention is not limited to the above preferred embodiments, and any modifications, equivalent replacements, improvements, etc. within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The cutter identification mechanism comprises a container and cutters penetrating into the container from the outside, and is characterized by further comprising a plurality of elastic pieces and pressure sensors, wherein the cutters are matched and arranged on the container in a replaceable manner; at least one cutter is provided with a contact surface; the positions of the corresponding contact surfaces of different cutters with the contact surfaces are different; at least, when a cutter with a contact surface is arranged on the container, the first end of the elastic element is directly or indirectly abutted against the contact surface of the cutter with the contact surface, and the second end of the elastic element is directly or indirectly abutted against the pressure sensor.

2. The tool identification mechanism of claim 1 wherein said resilient member, pressure sensor and contact surface of said tool are all located outside of said container when said tool is mounted on said container.

3. The tool identification mechanism of claim 1 wherein said container wall defines a first aperture; the cutter comprises a tubular stator detachably fixed in the first hole and a rotor rotatably arranged in the stator; a circle of steps are arranged on the outer surface of the stator of the cutter, and one surface of each step, which is back to the inside of the container, is used as the contact surface; and different cutters with contact surfaces have different distances from the pressure sensor on the surface of the corresponding step back to the inside of the container.

4. The knife recognition mechanism of claim 3, further comprising a bottom shell secured to the underside of the container bottom with a mounting space formed therebetween; the hole I is positioned at the bottom of the container, and a hole II corresponding to the hole I is formed in the bottom shell; the bottom shell is also provided with a plurality of longitudinal guide rods which extend upwards around the hole; the sliding piece slides up and down on the longitudinal guide rod; a third hole corresponding to the first hole is formed in the sliding sheet; the part of the cutter below the contact surface passes through the hole III, and the outer contour of the cutter above the contact surface is larger than that of the hole III and is limited to be incapable of passing through the hole III; the sliding sheet is abutted against the first end of the elastic piece in a direct or indirect mode; the vertical guide rod is further provided with a spring, the upper end of the spring is supported on the lower surface of the sliding sheet, the lower end of the spring is supported on the upper surface of the bottom shell, and the upper surface of the sliding sheet abuts against the lower part of the contact surface.

5. The tool recognition mechanism of claim 4, further comprising a receptacle for receiving a container, wherein the receptacle is provided with a longitudinal mounting hole, the pressure sensor is fixed at the bottom of the longitudinal mounting hole, the elastic member is mounted in the longitudinal mounting hole, and a longitudinal push rod is fixed on the lower surface of the sliding plate; when the container is arranged on the container seat, the lower end of the push rod is propped against the first end of the elastic piece.

6. The tool identification mechanism of claim 1 wherein when said tool is mounted on said container, said contact surface is located within the container and said resilient member and pressure sensor are located outside the container; the wall of the container is provided with a hole IV which is matched with the feeler lever to pass through, and the feeler lever passes through the hole IV; the feeler lever is located the one end of container and directly or indirectly supports on the contact surface, the feeler lever is located the outer one end of container and directly or indirectly supports in the first end of elastic component.

7. The tool identification mechanism of claim 6 wherein a wall of said container defines a first aperture; the cutter comprises a tubular stator detachably fixed in the first hole and a rotor rotatably arranged in the stator; the rotor comprises a shaft and a cutter head detachably connected to the shaft, and the cutter head is positioned in the container; a circular ring is rotationally connected onto the cutter head, the circular ring is positioned in the container, and one surface of the circular ring, facing the inner wall of the container, is used as the contact surface; the distance between the surface of the corresponding circular ring facing the inner wall of the container and the inner wall of the container is different for different cutters with contact surfaces.

8. The knife recognition mechanism of claim 7, further comprising a bottom shell secured to the underside of the container bottom with a mounting space formed therebetween; a second hole corresponding to the first hole is formed in the bottom shell; the hole is positioned at the bottom of the container; the stator is provided with a third hole, the stator penetrates through the third hole, and the sliding sheet takes the stator as a sliding rod to slide up and down on the stator; the sliding sheet and the bottom shell are supported by a spring; the lower end of the feeler lever is fixed with the sliding sheet, and the sliding sheet is abutted against the first end of the elastic piece in a direct or indirect mode.

9. The tool recognition mechanism of claim 8, wherein said bottom outer surface of said container holds an annular heating element encircling said aperture, said annular heating element being located within said mounting space; the first hole corresponds to a round hole in the middle of the annular heating unit; when the cutter is fixed on the container, an annular cavity is formed between the annular heating unit and the cutter; the sliding sheet is movably arranged in the annular cavity in a matched mode.

10. The tool recognition mechanism of claim 9, further comprising a receptacle for receiving a container, wherein the receptacle is provided with a longitudinal mounting hole, the pressure sensor is fixed at the bottom of the longitudinal mounting hole, the elastic member is mounted in the longitudinal mounting hole, and a longitudinal push rod is fixed on the lower surface of the sliding plate; when the container is arranged on the container seat, the lower end of the push rod is propped against the first end of the elastic piece.

11. Tool recognition mechanism according to any one of claims 1-10, further comprising a control unit, which is electrically connected to the pressure sensor, the control unit determining the category of the mounted tool depending on the belonging range of the pressure value provided by the pressure sensor.

12. An electric cooker comprises a container and cutters penetrating into the container from the outside, and is characterized by further comprising a plurality of elastic parts and pressure sensors, wherein the cutters are matched and replaceably arranged on the container; at least one cutter is provided with a contact surface; the positions of the corresponding contact surfaces of different cutters with the contact surfaces are different; when a cutter with a contact surface is arranged on the container, the first end of the elastic element is directly or indirectly abutted against the contact surface of the cutter with the contact surface, and the second end of the elastic element is directly or indirectly abutted against the pressure sensor; the position of the pressure sensor is defined as a fixed position.

13. The recognition mechanism of the replaceable component comprises the replaceable component and a mounting seat for mounting the replaceable component, and is characterized by further comprising a plurality of elastic parts and pressure sensors, wherein the replaceable components are arranged on the mounting seat in a matched and replaceable mode; at least one replaceable component is provided with a contact surface; the positions of the corresponding contact surfaces of different replaceable parts with the contact surfaces are different; when a replaceable component with a contact surface is installed on the installation seat, a first end of the elastic piece is abutted against the contact surface of the replaceable component with the contact surface in a direct or indirect mode, and a second end of the elastic piece is abutted against the pressure sensor in a direct or indirect mode; the position of the pressure sensor is defined as a fixed position.