CN211182744U - Recognition circuit and cooking machine - Google Patents

Abstract

The application provides a recognition circuit and cooking machine. The identification circuit is used for identifying the component to be identified of the food processor and comprises a first coupler, a second coupler and a controller. The first coupler comprises first pins, and the lengths of the first pins of the first couplers corresponding to different components to be identified are different. The second coupler is connected with the first coupler in a pluggable manner. The second coupler includes a plurality of separate electrical contacts arranged in a direction in which the first coupler and the second coupler are inserted and removed, and the free ends of the first pins of different lengths are in electrical contact with different electrical contacts. The controller includes a plurality of ports that are correspondingly connected to the plurality of electrical contacts. The controller detects the electric signal of the electric contact part through the port, and identifies the component to be identified according to the electric signal. The identification circuit can reduce the probability of identification errors. The application provides a cooking machine includes above-mentioned identification circuit.

Description

Recognition circuit and cooking machine

Technical Field

The application relates to the field of small household appliances, in particular to an identification circuit and a food processor.

Background

With the increasing living standard of people, many different types of food processors appear on the market. The functions of the food processor mainly include, but are not limited to, functions of making soybean milk, squeezing fruit juice, making rice paste, mincing meat, shaving ice, making coffee and/or blending facial masks and the like. Some cooking machines can include a plurality of cups that can replace the use, and cooking machine needs carry out the cup discernment. In the related technology, a resistor is embedded in a cup body, the embedded resistor in the cup body is detected through a chip, and the cup body is identified according to the resistance value of the resistor. However, when the resistance in the cup body is damaged or the resistance value is changed, the cup body identification fails or is mistakenly identified, and the normal use of the food processor is affected.

SUMMERY OF THE UTILITY MODEL

The application provides an improved identification circuit and a food processor.

One aspect of the application provides an identification circuit for discerning the subassembly of treating of cooking machine, wherein, identification circuit includes: the first coupler comprises first contact pins, and the lengths of the first contact pins of the first coupler corresponding to different components to be identified are different; a second coupler which is connected with the first coupler in a pluggable mode and comprises a plurality of separated electric contacts, the electric contacts are arranged in the plugging direction of the first coupler and the second coupler, and free ends of the first pins with different lengths are in electric contact with the different electric contacts; and the controller comprises a plurality of ports, the ports are correspondingly connected with the electric contacts, the controller detects electric signals of the electric contacts through the ports, and the component to be identified is identified according to the electric signals.

Further, the identification circuit comprises a direct current power supply terminal and a plurality of pull-up resistors, and the plurality of ports are connected to the direct current power supply terminal through the corresponding pull-up resistors. In some embodiments, the plurality of ports are connected to the dc power source terminal through corresponding pull-up resistors, which has a simple circuit structure and can reduce the cost.

Further, the ports include input/output ports. In some embodiments, because the resistance value does not need to be detected, the port used for identification by the controller does not need to adopt an AD port, and a common input/output port can be adopted, so that the requirement of the port used for identification by the controller is reduced.

Further, the identification circuit comprises a dc ground, and the first pin comprises a dc ground pin connected to the dc ground. In some embodiments, the first pin can be used for identification and can be used for direct current grounding, the first pin is multiplexed, the number of pins of the coupler is saved, the size of the coupler is small, and the cost is low.

Further, the first coupler comprises a second pin, and the lengths of the second pins of the first coupler corresponding to at least two different components to be identified are equal. In some embodiments, the pins of the coupler are changed less, and some pins can use the same pins, which is convenient for manufacturing.

Further, the second pin comprises at least one of a power end pin, a ground end pin and a signal end pin. In some embodiments, power and/or signal transmission is guaranteed to be stable and reliable.

Further, the length of the first pin of the first coupler corresponding to at least one component to be identified is smaller than the length of the second pin; and/or the length of the first pin of the first coupler corresponding to at least one component to be identified is equal to the length of the second pin; and/or the length of the first pin of the first coupler corresponding to at least one component to be identified is larger than that of the second pin.

Another aspect of the present application provides a food processor, which includes: a host; a plurality of replaceable components to be identified; and an identification circuit as described in any of the above claims. The food processer that this application provided also has above-mentioned beneficial effect certainly because of including above-mentioned identification circuit.

Further, the component to be identified comprises a cup body component capable of being assembled on the host machine, and the first coupler is arranged on the cup body component. First coupler sets up in cup subassembly, realizes cooking machine's cup subassembly discernment.

Furthermore, the component to be identified comprises a cup cover component, and the first coupler is arranged on the cup cover component. First coupler sets up in the bowl cover subassembly, realizes the discernment of the bowl cover subassembly of cooking machine.

The identification circuit of the embodiment of the application comprises a first coupler, a second coupler and a controller. The lengths of the first pins of the first couplers corresponding to different components to be identified are different, and the free ends of the first pins with different lengths are in electrical contact with different electrical contacts of the second couplers. The controller detects electric signals of the plurality of electric contacts through the plurality of ports of the controller, and judges the length of the first contact pin according to the electric signals, so that the component to be identified is identified. The application provides an identification circuit discerns the subassembly of treating discernment through the free end that detects the first contact pin of different length and the electrical contact part electrical contact of difference, can need not to detect resistance value, can reduce the probability that discernment is makeed mistakes.

Drawings

FIG. 1 is a schematic diagram of a first coupler and its connecting wires of one embodiment of an identification circuit of the present application;

FIG. 2 is a perspective view of a first coupler of one embodiment of an identification circuit of the present application;

FIG. 3 is a bottom view of a first coupler of one embodiment of an identification circuit of the present application;

FIG. 4 is a cross-sectional view of a different first coupler of one embodiment of an identification circuit of the present application;

FIG. 5 is a perspective view of a second coupler of one embodiment of an identification circuit of the present application;

FIG. 6 is a bottom view of a second coupler of one embodiment of the identification circuit of the present application;

FIG. 7 is a cross-sectional view of a second coupler of one embodiment of an identification circuit of the present application;

FIG. 8 is a circuit diagram of a controller of one embodiment of the identification circuit of the present application;

fig. 9 is a schematic view of an embodiment of a food processor according to the present application.

Detailed Description

Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with the present application. Rather, they are merely examples of apparatus consistent with certain aspects of the present application, as detailed in the appended claims.

The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. Unless otherwise defined, technical or scientific terms used herein shall have the ordinary meaning as understood by one of ordinary skill in the art to which this application belongs. The use of "first," "second," and similar terms in the description and in the claims does not indicate any order, quantity, or importance, but rather is used to distinguish one element from another. Also, the use of the terms "a" or "an" and the like do not denote a limitation of quantity, but rather denote the presence of at least one. The word "plurality" or "a number" and the like mean at least two. The word "comprising" or "comprises", and the like, means that the element or item listed as preceding "comprising" or "includes" covers the element or item listed as following "comprising" or "includes" and its equivalents, and does not exclude other elements or items. The terms "connected" or "coupled" and the like are not restricted to physical or mechanical connections, but may include electrical connections, whether direct or indirect. Unless otherwise indicated, "front", "rear", "lower" and/or "upper" and the like are for convenience of description and are not limited to one position or one spatial orientation. The term "and/or" as used herein refers to and encompasses any and all possible combinations of one or more of the associated listed items.

The identification circuit of this application embodiment for the subassembly of waiting to discern of discernment cooking machine, the identification circuit includes first coupler, second coupler and controller. The first coupler comprises first pins, and the lengths of the first pins of the first coupler corresponding to different components to be identified are different. The second coupler is connected with the first coupler in a pluggable mode. The second coupler includes a plurality of separate electrical contacts arranged in a direction in which the first coupler and the second coupler are inserted and removed, and free ends of the first pins of different lengths electrically contact different ones of the electrical contacts. The controller comprises a plurality of ports, and a plurality of ports are correspondingly connected with a plurality of electric contacts. The controller detects the electric signal of the electric contact part through the port, and identifies the component to be identified according to the electric signal. The identification circuit of this application embodiment discerns the subassembly of waiting to discern through the free end that detects the first contact pin of different length and the electrical contact part electrical contact of difference to need not to detect resistance value, can reduce the probability of discerning the mistake.

Referring to fig. 1 to 3, a first coupler 10 in an identification circuit includes a first base 13 and a plurality of pins disposed in the first base 13. In some embodiments, the plurality of pins include one or more of power terminal pins, ground terminal pins, signal terminal pins, and dc ground pins. The power terminal pins can be used for a strong electrical power input, for example, for connection to mains ac power. The ground terminal pin is used for grounding of strong electricity, such as the ground wire of commercial alternating current. The signal terminal pin is used for transferring signals, and the specific signals transferred by the signal terminal pin may be different according to different application products of the first coupler 10. In some embodiments, the signal transmitted by the signal terminal pin may be, for example, a control signal, a detection signal, or the like. Taking the food processor as an example, the signal transmitted by the signal end pin can be a heating control signal, a temperature detection signal, a vacuum degree detection signal and the like. The direct current grounding contact pin is used for grounding weak current. In some embodiments, the first coupler 10 needs to be connected to a weak dc power source, and therefore needs to have a dc grounding pin for grounding the weak dc power source. Referring to fig. 3, in the present embodiment, the pins include a first pin 11 and a second pin 12. The identification circuit comprises a dc ground, and the first pin 11 comprises a dc ground pin connected to the dc ground for dc grounding. The second pin 12 includes a power terminal pin 121 and a ground terminal pin 122. The plurality of pins of the first coupler 10 are correspondingly connected to other circuit components through connection lines 14. In other embodiments, the second pin 12 may also be one or more of a signal pin, a power pin and a ground pin.

Please refer to fig. 4, which is a cross-sectional view of a different first coupler of the identification circuit of the present application. Three different first couplers are shown in fig. 4. The lengths of the first pins 11, 51, 61 of the three first couplers shown in fig. 4 are different. The lengths of the second pins 12, 52 and 62 are equal, so that stable and reliable power supply and signal transmission can be ensured. In other embodiments, the lengths of the second pins 12, 52, 62 of at least two different first couplers may be set to be equal, so that the pins of the couplers are changed less, and some of the pins may use the same pins to facilitate mass production and assembly with the first base 13. Three first couplers are shown in fig. 4, which show that the length of the first pin 11 is smaller than the length of the second pin 12, the length of the first pin 51 is equal to the length of the second pin 52, and the length of the first pin 61 is greater than the length of the second pin 62, respectively.

Referring to fig. 5 to 7, the second coupler 20 of the identification circuit is adapted to be removably mated with the first coupler 10. The second coupler 20 includes a second base 23, the second base 23 is provided with a slot 201 corresponding to the first pins 11, 51, 61 of the first coupler 10, and slots 202, 203 corresponding to the second pins 12, 52, 62. The socket 201 for the plug connection of the first pins 11, 51, 61 comprises a plurality of separate electrical contacts 211, 212, 213. The plurality of electrical contacts 211, 212, 213 are arranged in the direction in which the first coupler 10 and the second coupler 20 are inserted and removed. When a different first coupler 10 is inserted into the second coupler 20, the free ends of the first pins 11, 51, 61 of different lengths of the different first coupler 10 are in electrical contact with different electrical contacts 211, 212, 213. For example, three electrical contacts 211, 212, 213 are shown in fig. 7, and in connection with fig. 4, when the longer first pin 61 is inserted, its free end may contact the lowermost one of the electrical contacts 213; when the first pin 51 with a shorter length is inserted, its free end may contact with one of the electrical contacts 212 in the middle; when the first pin 11 having a shorter length is inserted, its free end may contact the uppermost one of the electrical contacts 211. The controller 30 detects the electrical signals of the different electrical contacts 211, 212, 213 and identifies the first coupler 10 that is plugged into the second coupler 20. When different first couplers 10 correspond to different components to be identified one by one, the corresponding components to be identified can be identified. In some embodiments, the first pins 11, 51, 61 are used for dc grounding and are multiplexed for identification, and there is no need to separately set pins for identification, so as to save the number of pins of the coupler, and the coupler has a small volume and low cost.

Please refer to fig. 8, which is a circuit diagram of the controller 30 according to an embodiment of the identification circuit of the present application. The controller 30 includes a plurality of ports, and a plurality of the ports are correspondingly connected to a plurality of the electrical contacts. In the present embodiment, the plurality of ports includes 3 ports, such as the port 22, the port 23, and the port 24 shown in fig. 8. The ports 22, 23 and 24 include input/output ports (IO ports). In the embodiment of the identification circuit, the resistance value does not need to be detected, so that the port of the controller 30 for identification does not need to adopt an AD port, and a common input/output port can be adopted, thereby reducing the requirement of the port of the controller 30 for identification. In the present embodiment, the ports 22, 23 and 24 are connected to the three electrical contacts 211, 212 and 213 in a one-to-one correspondence. In some embodiments, the ports 22, 23, 24 are connected to the electrical contacts 211, 212, 213 by wires. In other embodiments, the ports 22, 23, 24 are connected to the electrical contacts 211, 212, 213 by wiring on the circuit board. In other embodiments, the ports 22, 23, 24 can also be connected to the electrical contacts 211, 212, 213 on the second coupler 20 through wires, wiring on a circuit board, and couplers connected to the wires or wiring. In this embodiment, the identification circuit includes a dc power terminal and a plurality of pull-up resistors R10, R11, R12, and the ports 22, 23, 24 are connected to the dc power terminal through the corresponding pull-up resistors R10, R11, R12. In this embodiment, the dc power voltage of the dc power source terminal is + 5V. In this embodiment, the plurality of ports are connected to the dc power source terminals through the corresponding pull-up resistors, so that the circuit structure is simple and the cost can be reduced.

In an embodiment of the identification circuit of the present application, different first couplers 10 are disposed in different components to be identified, and a second coupler 20 is disposed in a host for identification. When the component to be identified is mated with the host, the first coupler 10 and the second coupler 20 are plugged, and the first pin of the first coupler 10 contacts with the electrical contact part of the second coupler 20. Since the lengths of the first pins of the first couplers 10 are different, and therefore, the positions of the electrical contacts of the first couplers 10 are different from those of the second couplers 20, the controller 30 detects the high-level or low-level electrical signals of the different electrical contacts 211, 212, 213, and can identify the first coupler 10 inserted into the second coupler 20, and thus can identify the corresponding component to be identified.

As can be seen from the above description, in an embodiment of the identification circuit of the present application, the first coupler 10 and the second coupler 20 are connected in a plug-in manner, the controller 30 is connected to the plurality of electrical contacts 21 on the second coupler 20, and the component to be identified is identified by detecting that the free ends of the first pins 11 with different lengths of different first couplers 10 are in electrical contact with different electrical contacts 21 on the second coupler 20. Compared with the scheme of detecting the resistance value in the related technology, the scheme can avoid detecting the resistance value and reduce the probability of error identification; moreover, because the resistance value does not need to be detected, the port for identification of the controller 30 does not need to adopt an AD port, and a common input/output port can be adopted, so that the requirement of the port for identification of the controller 30 is reduced, and the cost can be reduced.

Referring to fig. 9, the present application further provides a food processor, which includes a host 40, a plurality of replaceable components to be identified, and an identification circuit as described above. In some embodiments, the component to be identified includes a cup assembly 50, 55 that can be assembled to the host machine 40. The cooking machine includes a plurality of replaceable cup assemblies 50, 55, and the user can change as required. For example, can change the cup body assembly that the capacity size is different, or change the cup body assembly that is used for realizing different cooking functions etc.. Adopt same host computer 40, only need to change cup body component and can satisfy different demands, need not to purchase a plurality of cooking machines, can save user's purchase cost. First coupler 10 in the identification circuit set up in cup subassembly 50, 55, the identification circuit is used for realizing the cup subassembly 50, 55 discernment of cooking machine. In other embodiments, the component to be identified includes a lid component 60, 65, the first coupler 10 is disposed on the lid component 60, 65, and the identification circuit is used to identify the lid component 60, 65 of the food processor. The cooking machine comprises a plurality of replaceable cup cover assemblies 60 and 65, and a user can replace the replaceable cup cover assemblies as required. For example, replacement of the vacuum lid and the non-vacuum lid, replacement of the heat-retaining lid and the non-heat-retaining lid, and the like can be realized. In a similar way, different requirements can be met by only replacing the cup cover assembly by adopting the same host machine 40. The application provides a cooking machine is because of having above-mentioned identification circuit, also has above-mentioned beneficial effect of course.

The above description is only exemplary of the present application and should not be taken as limiting the present application, as any modification, equivalent replacement, or improvement made within the spirit and principle of the present application should be included in the scope of protection of the present application.

Claims (10)

1. The utility model provides an identification circuit for discerning treating the discernment subassembly of cooking machine, its characterized in that, identification circuit includes:

the first coupler (10) comprises first pins, and the lengths of the first pins of the first coupler (10) corresponding to different components to be identified are different;

a second coupler (20) that is removably connected to the first coupler (10) and includes a plurality of separate electrical contacts arranged in a direction in which the first coupler (10) and the second coupler (20) are inserted and removed, the free ends of the first pins of different lengths being in electrical contact with different ones of the electrical contacts; and

the controller (30) comprises a plurality of ports, the ports are correspondingly connected with the electric contacts, the controller (30) detects electric signals of the electric contacts through the ports, and the component to be identified is identified according to the electric signals.

2. The identification circuit of claim 1, wherein: the identification circuit comprises a direct current power supply end and a plurality of pull-up resistors, and the plurality of ports are connected to the direct current power supply end through the corresponding pull-up resistors.

3. The identification circuit of claim 1, wherein: the ports include input/output ports.

4. The identification circuit of claim 1, wherein: the identification circuit comprises a direct current ground end, and the first contact pin comprises a direct current ground end contact pin connected with the direct current ground end.

5. The identification circuit of any of claims 1-4, wherein: the first coupler (10) comprises a second pin, and the lengths of the second pins of the first coupler (10) corresponding to at least two different components to be identified are equal.

6. The identification circuit of claim 5, wherein: the second contact pin comprises at least one of a power end contact pin, a ground end contact pin and a signal end contact pin.

7. The identification circuit of claim 5, wherein: the length of the first pin of the first coupler (10) corresponding to at least one component to be identified is smaller than that of the second pin; and/or

The length of the first pin of the first coupler (10) corresponding to at least one component to be identified is equal to the length of the second pin; and/or

The length of the first pin of the first coupler (10) corresponding to at least one component to be identified is larger than that of the second pin.

8. A food processor, comprising:

a host;

a plurality of replaceable components to be identified; and

an identification circuit as claimed in any of claims 1 to 7.

9. The food processor of claim 8, wherein: the component to be identified comprises a cup body component capable of being assembled on the host machine, and the first coupler (10) is arranged on the cup body component.

10. The food processor of claim 8, wherein: the component to be identified comprises a cup cover component, and the first coupler (10) is arranged on the cup cover component.

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