CN211673840U - Cooking utensil - Google Patents

Abstract

The utility model relates to a kitchen utensils and appliances, more specifically relates to a cooking utensil, including the pot cover and the pot body, the pot cover can be covered on fitting with the pot body, be equipped with heating device on the pot cover, cooking utensil is equipped with and is used for whether the lid closes the controlling means who decides whether heating device works through pot cover and the pot body. The utility model discloses a controlling means's setting, whether decide heating device whether work according to pot cover and pot body lid through controlling means for if the pot cover closes under the circumstances with the pot body not having the lid, heating device is just not gone up the electricity and is out of work, avoids taking place under the circumstances of return circuit work, and the human body is not separated with pot cover and pot body and is leaded to taking place the danger of electric shock, thereby improves cooking utensil's security.

Description

a cooking utensil

technical field

The utility model relates to a kitchen utensil, in particular to a cooking utensil.

Background technique

Existing consumers' requirements for cooking technology continue to increase, resulting in the pursuit of food with complete color, aroma and taste. Pressure cooking has pressure penetration and can meet certain temperature requirements. The market of products with this function is generally considered to be able to achieve health. , Nutritious cooking.

At present, there is a heating device on the top of some pots, so that a heat cycle is formed through the simultaneous heating of the pot cover and the pot body, and the food is better heated. However, if the lid and the body of the pot are not closed, the heating device of the lid will start to energize, and the user will be energized before the lid and the body of the pot are separated, which will easily lead to the danger of electric shock for the user. lead to increased risk of use.

Utility model content

In order to overcome the above-mentioned problem of electric shock for users, the utility model provides a cooking utensil, which improves the safety of use.

In this technical solution, a cooking utensil is provided, comprising a pot cover and a pot body, the pot cover can be covered with the pot body, the pot cover is provided with a heating device, and the cooking utensil is provided with a A control device that determines whether the heating device works or not whether the lid and the pot body are closed or not.

Through the setting of the control device, the control device determines whether the heating device works according to whether the lid of the pot and the body of the pot are closed or not, so that if the lid and the body of the pot are not covered, the heating device will not be powered on and will not work. In order to avoid the risk of electric shock caused by the fact that the human body is not separated from the pot cover and the pot body under the circumstance of loop work, the safety of the cooking utensil is improved.

Preferably, the control device includes a thermistor provided on the lid of the pot whose energization resistance changes rapidly, a controller provided on the pot body, and a control switch for controlling the power-on of the heating device. The controller is connected to the thermistor. The resistance and the control switch are all electrically connected; the thermistor is electrically connected to the external power supply structure on the pot body; when the pot cover is closed with the pot body, the thermistor is energized, and then the resistance changes rapidly, and the controller collects the thermistor When the resistance value changes, the control switch is closed, and the heating device is energized to work; otherwise, the heating device stops working. This arrangement provides a kind of resistance of the thermistor when the external power supply structure is energized when the lid of the pot is closed with the body of the pot, and the controller detects that the resistance value of the thermistor changes, and the controller considers that it has been connected at this time. The top heating device, when there is a cooking function that needs to be operated, the L/N line control switch can be closed; when the lid and the pot body are not closed, the thermistor is not energized and the resistance value has not changed, the controller will consider this When the top heating device is not connected, the L/N line control switch will be opened and closed.

Preferably, the control device is an electromagnet structure, and the electromagnet structure includes an energized coil provided on the lid of the pot and a coil switch for controlling the heating device; the pot body is provided with a power supply structure for supplying power to the energized coil; When the lid is closed with the pot body, the energized coil is energized, the coil switch is closed, the circuit is turned on, and the heating device is energized; stop working. This arrangement is to provide a way to provide a power-on coil when the pot cover is closed with the pot body cover, the coil switch is pulled in, the circuit is turned on, and the heating device is energized to work; Open, the circuit is disconnected, and the heating device stops working. The energized coil and the coil switch here are equivalent to switches as a whole. The opening and closing of the switch is directly related to whether the lid and the body are closed or not; the human body is not separated from the lid and the body in the case of avoiding loop operation. Causes a risk of electric shock, thereby improving the safety of cooking appliances.

Preferably, the control device includes a first connecting iron piece and a second connecting iron piece that can contact and conduct electricity, the first connecting iron piece and the second connecting iron piece are connected to the heating device loop, and the first connecting iron piece and The second connecting iron piece is separately arranged at the position where the pot cover and the pot body cover are closed; when the pot cover and the pot body cover are closed, the first connecting iron piece and the second connecting iron piece are in contact and conduct electricity, the circuit is connected, and the heating device is energized to work; When the pot cover is separated from the pot body, the first connecting iron piece and the second connecting iron piece are separated and disconnected, the circuit is disconnected, and the heating device stops working. In this way, when the lid and the pot body are closed, the first connecting iron piece and the second connecting iron piece are in contact and conduct electricity, the circuit is connected, and the heating device is energized to work; when the pot cover and the pot body are separated, the first connecting iron The sheet and the second connecting iron sheet are separated and disconnected, the circuit is disconnected, and the heating device stops working. Here, the first connecting iron piece and the second connecting iron piece as a whole are equivalent to a switch, and the opening and closing of the switch is directly related to whether the lid of the pot and the body of the pot are closed or not. It should be noted that the arrangement of the mechanical first connecting iron piece and the second connecting iron piece is only one of the ways, as long as the heating device circuit can be disconnected, other structures are also feasible.

Preferably, the control device includes a sensor for sensing whether the pot lid and the pot body are closed and a controller for controlling the working state of the heating device, the controller is electrically connected to the sensor and the heating device; the sensor senses the pot lid Whether it is closed with the pot body cover or not, the signal is transmitted to the controller, and the controller controls the heating device to work and stop according to the signal. This arrangement is to provide a sensor that transmits a signal to the controller when the pot cover and the pot body are closed, and the controller controls the heating device to work according to the signal; otherwise, the heating device stops working. Here is the control of the heating device working and stopping through signal control. It should be noted that it is feasible that this controller can be a single-chip microcomputer or other control chips. The sensor is a position sensor. Of course, these are only preferred and not restrictive.

Preferably, the pot body is provided with a second heating device. This setting is to form a heat cycle and improve the cooking effect and taste of the food.

Preferably, the pot body is provided with a second heating device, and the second heating device is electrically connected to the controller. In this way, the controller controls the operation and stop of the second heating device to improve its intelligence, and at the same time, the controller is shared with the heating device, which can save resources and reduce costs.

Preferably, the second heating device is arranged at the bottom of the pot body. This setting is convenient for cooking food from the bottom of the pot.

Preferably, the cooking appliance is an air fryer. Generally, the lid of the air fryer is provided with a heating device. Of course, this is only a preference, not a limitation.

Preferably, the cooking appliance is an electric rice cooker or a pressure cooker with an air fryer function. This setup provides two other rice cookers or pressure cookers with integrated air fryer functionality. Of course, this is just an example, not a limitation, other cooking utensils are also feasible.

Compared with the prior art, the beneficial effects are:

The utility model provides a cooking utensil. Through the setting of the control device, the control device determines whether the heating device works according to whether the pot cover and the pot body are covered or not, so that if the pot cover and the pot body are not covered Therefore, the heating device will not be powered on and will not work, avoiding the risk of electric shock when the human body is not separated from the pot cover and the pot body under the circumstance of loop work, thereby improving the safety of the cooking utensils. The utility model provides four power-off control modes, and controls whether the heating device works or not according to whether the lid and the lid of the pot are closed or not, so as to ensure that the output of high-voltage commercial power is prohibited before entering the work and prevent the danger of personal electric shock.

Description of drawings

Fig. 1 is the structural representation of a kind of cooking utensil of the present utility model;

Fig. 2 is the working principle diagram of the pot cover heating device of a cooking utensil of the present invention;

FIG. 3 is a schematic diagram of the state of the detection heating device of FIG. 2 .

FIG. 4 is a working principle diagram of a pot cover heating device of a cooking utensil according to Embodiment 2;

FIG. 5 is a working principle diagram of a pot cover heating device of a cooking appliance according to Embodiment 3;

FIG. 6 is a working principle diagram of a pot cover heating device of a cooking appliance according to the fourth embodiment.

Detailed ways

The accompanying drawings are for illustrative purposes only, and should not be construed as limitations on this patent; in order to better illustrate the present embodiment, some parts of the accompanying drawings may be omitted, enlarged or reduced, and do not represent the size of the actual product; for those skilled in the art It is understandable to the artisan that certain well-known structures and descriptions thereof may be omitted from the drawings. The positional relationships described in the drawings are only for exemplary illustration, and should not be construed as a limitation on the present patent.

The same or similar symbols in the drawings of the embodiments of the present invention correspond to the same or similar components; in the description of the present invention, it should be understood that if there are terms "upper", "lower", "left", " The orientation or positional relationship indicated by "right", "long" and "short" is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying the indicated device or element. It must have a specific orientation, be constructed and operated in a specific orientation, so the terms describing the positional relationship in the accompanying drawings are only used for exemplary illustration, and should not be construed as a limitation on this patent. Understand the specific meanings of the above terms under specific circumstances.

Below by specific embodiment, and in conjunction with accompanying drawing, the technical scheme of the present utility model is further described in detail:

Example 1

Figures 1 to 3 are the first embodiment of a cooking appliance of the present invention, comprising a pot cover 1 and a pot body 2, the pot cover 1 can be covered with the pot body 2, and the pot cover 1 is provided with a heating device 11. The cooking appliance is provided with a control device 3 for determining whether the heating device 11 works or not according to whether the lid 1 and the pot body 2 are closed.

As shown in FIG. 2 and FIG. 3 , the control device 3 includes a thermistor 31 provided on the pot cover 1 with a rapidly changing energization resistance, a controller 5 provided on the pot body 2 and a controller 5 for controlling the heating device 11 to be powered on. The control switch 51, the controller 5 are electrically connected with the thermistor 31 and the control switch 51; the thermistor 31 is electrically connected with the external power supply structure on the pot body 2; when the pot cover 1 and the pot body 2 are closed, the thermistor 31 is energized, and then the resistance changes rapidly, the controller 5 collects the resistance value change of the thermistor 31, the control switch 51 is closed, and the heating device 11 is energized to work; otherwise, the heating device 11 stops working. This arrangement provides a kind of resistance of the thermistor when the external power supply structure is energized when the lid of the pot is closed with the body of the pot, and the controller 5 collects that the resistance value of the thermistor 31 changes, and the controller 5 will consider this When the top heating device 11 is connected, when the cooking function needs to be operated, the L/N line control switch 51 can be closed; when the lid 1 and the pot body 2 are not covered, the thermistor is not energized, and the resistance value does not change. , the controller will think that the top heating device 11 is not connected at this time, and will open and close the L/N line control switch. The principle is that the power supply of the top heating device is determined by the control switch on the bottom host. Only when the control switch is closed, the terminal block will have commercial power, which will supply power to the top heating device 11 after passing through the top terminal block. That is, when the top heating device 11, that is, the pot cover 1 is not covered, and the NTC is not connected, the data acquisition circuit considers that the top heating device 11 is not connected at this time, and disconnects the L/N line control switch. When the top heating device 11, that is, the lid 1 is not covered, and the NTC is connected, the data acquisition circuit will collect data, and it is considered that the top heating device has been connected at this time. When a cooking function needs to be run, the L/N line control switch is closed.

As shown in FIG. 1 , the pot body 2 is provided with a second heating device 21 , and the second heating device 21 is electrically connected to the controller 5 . This setting is to form a heat cycle and improve the cooking effect and taste of the food. At the same time, the controller 5 controls the operation and stop of the second heating device 21 to improve its intelligence. At the same time, the controller 5 is shared with the heating device 11, which can save resources and reduce costs.

As shown in FIG. 1 , the second heating device 21 is arranged at the bottom of the pot body 2 . This setting is convenient for cooking food from the bottom of the pot.

In addition, the cooking appliance is an air fryer. Generally, the lid of the air fryer is provided with a heating device. Of course, this is only a preference, not a limitation.

Among them, the cooking appliance is an electric rice cooker or a pressure cooker with an air fryer function. This setup provides two other rice cookers or pressure cookers with integrated air fryer functionality. Of course, this is just an example, not a limitation, other cooking utensils are also feasible.

The specific working principle is:

When the lid 1 and the body 2 are closed, the heating device 11 is energized and operated by the control device 3; when the lid 1 is separated from the body 2, the heating device 11 stops working under the control of the control device 3. The control device 3 basically plays the role of other switches, but there are various ways of how to switch, only a few are listed in this embodiment, and other similar solutions are also feasible.

Embodiment 2

FIG. 4 is a second embodiment of a cooking utensil of the present invention. This embodiment is similar to the first embodiment, the difference is that the control device 3 is an electromagnet structure, and the electromagnet structure includes a The energizing coil 32 and the coil switch 33 for controlling the heating device 11; the pot body 2 is provided with a power supply structure for supplying power to the energizing coil 32; when the pot cover 1 and the pot body 2 are closed, the energizing coil 32 is energized, and the coil switch 33 When the lid 1 is separated from the body 2, the energized coil 32 is de-energized, the coil switch 33 is disconnected, the circuit is disconnected, and the heating device 11 stops working. This arrangement is to provide a way to provide a power-on coil when the pot cover is closed with the pot body cover, the coil switch is pulled in, the circuit is turned on, and the heating device is energized to work; Open, the circuit is disconnected, and the heating device stops working. The energized coil and the coil switch here are equivalent to switches as a whole. The opening and closing of the switch is directly related to whether the lid and the body are closed or not; the human body is not separated from the lid and the body in the case of avoiding loop operation. Causes a risk of electric shock, thereby improving the safety of cooking appliances. As shown in FIG. 1 , the pot body 2 is provided with a second heating device 21 , which is arranged to form a heat cycle and improve the effect and taste of food cooking.

Embodiment 3

FIG. 5 is a third embodiment of a cooking utensil of the present invention. This embodiment is similar to the first embodiment, except that the control device 3 includes a first connecting iron piece 34 and a second connecting iron sheet 34 that can contact and conduct electricity. The iron piece 35, the first connecting iron piece 34 and the second connecting iron piece 35 are connected to the circuit of the heating device 11, and the first connecting iron piece 34 and the second connecting iron piece 35 are respectively arranged on the cover of the pot cover 1 and the pot body 2. position; when the pot cover 1 and the pot body 2 are closed, the first connecting iron piece 34 and the second connecting iron piece 35 contact and conduct electricity, the circuit is turned on, and the heating device 11 is energized to work; when the pot cover 1 and the pot body 2 are separated, The first connecting iron piece 34 and the second connecting iron piece 35 are separated and disconnected, the circuit is disconnected, and the heating device 11 stops working. In this way, when the lid 1 and the pot body 2 are closed, the first connecting iron piece and the second connecting iron piece are in contact and conduct electricity, the circuit is connected, and the heating device is energized to work; when the pot cover is separated from the pot body, the first The connecting iron piece and the second connecting iron piece are separated and disconnected, the circuit is disconnected, and the heating device stops working. Here, the first connecting iron piece and the second connecting iron piece as a whole are equivalent to a switch, and the opening and closing of the switch is directly related to whether the lid of the pot and the body of the pot are closed or not. It should be noted that the arrangement of the mechanical first connecting iron piece and the second connecting iron piece is only one of the ways, as long as the heating device circuit can be disconnected, other structures are also feasible. As shown in FIG. 1 , the pot body 2 is provided with a second heating device 21 , which is arranged to form a heat cycle and improve the effect and taste of food cooking.

Embodiment 4

FIG. 6 is a fourth embodiment of a cooking utensil of the present invention. This embodiment is similar to the first embodiment, except that the control device 3 includes a sensor for sensing whether the pot cover 1 and the pot body 2 are closed. The sensor 4 and the controller 5 for controlling the working state of the heating device 11, the controller 5 is electrically connected to the sensor 4 and the heating device 11; The controller 4 controls the heating device 1 to work and stop according to the signal. In this way, when the pot cover is closed with the pot body, the sensor transmits the signal to the controller, and the controller controls the heating device to work according to the signal; otherwise, the heating device stops working. Here is the control of the heating device working and stopping through signal control. It should be noted that it is feasible that this controller can be a single-chip microcomputer or other control chips. The sensor is a position sensor. Of course, these are only preferred, not restrictive.

Obviously, the above-mentioned embodiments of the present invention are only examples for clearly illustrating the present invention, rather than limiting the implementation of the present invention. For those of ordinary skill in the art, changes or modifications in other different forms can also be made on the basis of the above description. There is no need and cannot be exhaustive of all implementations here. Any modifications, equivalent replacements and improvements made within the spirit and principles of the present utility model shall be included within the protection scope of the claims of the present utility model.

Claims (10)

1. A cooking utensil, characterized in that it comprises a pot cover (1) and a pot body (2), the pot cover (1) can be covered with the pot body (2), and the pot cover (1) A heating device (11) is provided thereon, and the cooking appliance is provided with a control device (3) for determining whether the heating device (11) works by whether the lid (1) and the pot body (2) are closed. 2. The cooking utensil according to claim 1, characterized in that, the control device (3) comprises a thermistor (31) provided on the pot cover (1) with a rapidly changing energization resistance and a thermistor (31) provided on the pot body (1). 2) a controller (5) and a control switch (51) for controlling the power-on of the heating device (11), the controller (5) is electrically connected to the thermistor (31) and the control switch (51) The thermistor (31) is electrically connected with the external power supply structure on the pot body (2); when the pot cover (1) is closed with the pot body (2), the thermistor (31) is energized, and then the resistance changes rapidly , the controller (5) collects the resistance value change of the thermistor (31), the control switch (51) is closed, and the heating device (11) is energized to work; otherwise, the heating device (11) stops working. 3. The cooking utensil according to claim 1, characterized in that, the control device (3) is an electromagnet structure, and the electromagnet structure comprises an energized coil (32) provided on the pot cover (1) and used to control heating A coil switch (33) of the device (11); the pot body (2) is provided with a power supply structure for supplying power to the energized coil (32); when the pot cover (1) is closed with the pot body (2), the energized coil (32) Power on, the coil switch (33) is pulled in, the circuit is connected, and the heating device (11) is energized to work; when the pot cover (1) is separated from the pot body (2), the energized coil (32) is de-energized, and the coil switch ( 33) is disconnected, the circuit is disconnected, and the heating device (11) stops working. 4. The cooking utensil according to claim 1, characterized in that, the control device (3) comprises a first connecting iron piece (34) and a second connecting iron piece (35) that are contactable and conductive, and the first connecting iron piece (35) The connecting iron piece (34) and the second connecting iron piece (35) are connected to the circuit of the heating device (11), and the first connecting iron piece (34) and the second connecting iron piece (35) are respectively arranged on the pot cover (1) and the At the position where the pot body (2) is covered; when the pot cover (1) is covered with the pot body (2), the first connecting iron piece (34) and the second connecting iron piece (35) are in contact and conduct electricity, and the circuit is connected. The heating device (11) is energized to work; when the pot cover (1) is separated from the pot body (2), the first connecting iron piece (34) and the second connecting iron piece (35) are separated and disconnected, the circuit is disconnected, and the heating device ( 11) Stop working. 5. The cooking utensil according to claim 1, characterized in that, the control device (3) comprises a sensor (4) for sensing whether the pot cover (1) and the pot body (2) are closed or not, and a sensor (4) for sensing whether the pot cover (1) and the pot body (2) are closed A controller (5) for the working state of the heating device (11), the controller (5) is electrically connected to the sensor (4) and the heating device (11); the sensor senses the pot cover (1) and the pot body (2) cover Whether it is on or not, the signal is transmitted to the controller (5), and the controller (5) controls the heating device to work or stop according to the signal. 6. The cooking appliance according to claim 3 or 4, characterized in that, the pot body (2) is provided with a second heating device (21). 7. The cooking utensil according to claim 2 or 5, characterized in that, the pot body (2) is provided with a second heating device (21), the second heating device (21) and the controller (5) electrical connection. 8. The cooking appliance according to claim 7, wherein the second heating device (21) is provided at the bottom of the pot body (2). 9. The cooking appliance of claim 1, wherein the cooking appliance is an air fryer. 10 . The cooking appliance according to claim 1 , wherein the cooking appliance is an electric rice cooker or a pressure cooker with an air fryer function. 11 .

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