CN210985712U - Electric cooking appliance - Google Patents
Electric cooking appliance Download PDFInfo
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- CN210985712U CN210985712U CN201921652891.3U CN201921652891U CN210985712U CN 210985712 U CN210985712 U CN 210985712U CN 201921652891 U CN201921652891 U CN 201921652891U CN 210985712 U CN210985712 U CN 210985712U
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Abstract
The application discloses cooking appliance. This cooking appliance includes: the extended charging interface is used for connecting external equipment to be charged; the power supply conversion circuit is used for converting commercial power into charging voltage required by charging equipment to be charged; the switching circuit is arranged on a power transmission line from the power conversion circuit to the extended charging interface; and the first control circuit is used for connecting the switching circuit and controlling the on and off of the power transmission line through the switching circuit. Through set up power conversion circuit and the extension interface that charges in cooking appliance, realize waiting to charge equipment to the outside and charge to set up switch circuit on power conversion circuit reaches the power transmission line of the extension interface that charges, can realize the shut down to the function of charging when the culinary art function of cooking appliance is influenced to the charging process through the control to switch circuit.
Description
Technical Field
The application relates to the technical field of cooking appliances, in particular to a cooking appliance.
Background
The life leaves the electronic equipment such as cell-phone, bracelet, and cooks food in the kitchen, meets the situation that the electronic equipment lacks the electricity and must use occasionally, and can't leave the kitchen when cooking, and then brings the puzzlement for people.
SUMMERY OF THE UTILITY MODEL
The application mainly provides a cooking appliance to solve the problem that the cooking appliance can not charge for electronic equipment.
In order to solve the technical problem, the application adopts a technical scheme that: an electric cooking appliance is provided. This cooking appliance includes: the extended charging interface is used for connecting external equipment to be charged; the power supply conversion circuit is used for converting commercial power into charging voltage required by charging equipment to be charged; the switching circuit is arranged on a power transmission line from the power conversion circuit to the extended charging interface; and the first control circuit is used for connecting the switching circuit and controlling the on and off of the power transmission line through the switching circuit.
In some embodiments, the power conversion circuit includes a first power converter, the first power converter converts the commercial power into a supply voltage required for operating the first control circuit, and the supply voltage is further transmitted to the extended charging interface through the power transmission line, where the first control circuit controls the switching circuit according to its required operating power.
In some embodiments, the cooking appliance further comprises a functional element connected to the first control circuit, and the first control circuit further comprises a power detection sub-circuit for detecting the power of the functional element and controlling the switch circuit to be turned off when the power of the functional element exceeds a set power threshold.
In some embodiments, the supply voltage is directly the charging voltage, or the power conversion circuit comprises a second power converter that further converts the supply voltage to the charging voltage.
In some embodiments, the first power converter is an ac-dc converter and the second power converter is a low dropout regulator, a switching converter, a buck converter, or a boost converter.
In some embodiments, the power conversion circuit comprises a first power converter and a third power converter, wherein the first power converter converts the mains power into a supply voltage required for the first control circuit to operate;
the third power converter converts the commercial power into the charging voltage, and the switch circuit is arranged between the third power converter and the extended charging interface.
In some embodiments, the first power converter is an ac-dc converter and the third power converter is a power adapter.
In some embodiments, the extended charging interface comprises a wired charging interface and/or a wireless charging interface.
In some embodiments, the wired charging interface includes at least one of a Micro USB interface, a Type C interface, and an L lightening interface.
In some embodiments, the wireless charging interface includes a second control circuit, an inverter circuit, and an oscillator circuit, two ends of the oscillator circuit are connected to the inverter circuit, the inverter circuit receives the charging voltage, and the second control circuit is configured to perform pulse width modulation on the inverter circuit.
In some embodiments, the cooking appliance further includes a trigger switch, the trigger switch is connected to the first control circuit, and the first control circuit controls the switch circuit to be turned on according to the device to be charged at the extended charging interface detected by the trigger switch.
The beneficial effect of this application is: in contrast to the state of the art, the present application discloses a cooking appliance. The cooking appliance is provided with the power supply conversion circuit and the extended charging interface, the power supply conversion circuit converts commercial power into charging voltage and supplies the charging voltage to the extended charging interface so as to charge external equipment to be charged, and the cooking appliance has the function of charging the equipment to be charged; and setting a switch circuit on a power transmission line from the power conversion circuit to the extended charging interface, and setting a first control circuit to control the connection and disconnection of the power transmission line through the switch circuit so as to regulate and control whether the cooking appliance charges the external charging equipment, so that the cooking appliance provided by the application can charge the charging equipment, and the charging function is turned off when the charging process affects the cooking function of the cooking appliance.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, it is obvious that the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without inventive efforts, wherein:
FIG. 1 is a schematic structural diagram of an embodiment of a cooking appliance provided in the present application;
FIG. 2 is a schematic structural diagram of another embodiment of a cooking appliance provided by the present application;
FIG. 3 is a schematic structural diagram of another embodiment of a cooking appliance provided by the present application;
FIG. 4 is a schematic structural diagram of an embodiment of an extended charging junction interface in the cooking appliance of FIGS. 1-3
Fig. 5 is a schematic structural diagram of another embodiment of an extended charging junction interface in the cooking appliance of fig. 1 to 3.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without making any inventive step based on the embodiments in the present application, are within the scope of protection of the present application.
If in the embodiments of the present application there is a description referring to "first", "second", etc., the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present application.
Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the application. The appearances of the phrase in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. It is explicitly and implicitly understood by one skilled in the art that the embodiments described herein can be combined with other embodiments.
Referring to fig. 1, fig. 1 is a schematic structural diagram of an embodiment of a cooking appliance provided in the present application.
The application provides a cooking appliance, this cooking appliance can be electric rice cooker, integrated kitchen, microwave oven, steam ager or oven etc. and this cooking appliance's characteristics lie in having the function that the culinary art edible material and electronic equipment such as cell-phone, panel computer charge simultaneously.
The cooking appliance 100 includes an extended charging interface 10, a power conversion circuit 20, a switch circuit 30, and a first control circuit 40.
The extended charging interface 10 is used to connect an external device to be charged, such as an electronic device like a mobile phone, a smart watch, and a tablet computer. The power conversion circuit 20 is configured to convert the commercial power into a charging voltage required for charging the device to be charged, and the extended charging interface 10 is electrically connected to the power conversion circuit 20.
The switch circuit 30 is provided on a power line from the power conversion circuit 20 to the extended charging interface 10, that is, the switch circuit 30 may be provided on a power line of the power conversion circuit 20, the switch circuit 30 may be provided on a power line between the power conversion circuit 20 and the extended charging interface 10, or the switch circuit 30 may be provided on a power line of the extended charging interface 10.
The first control circuit 40 is used for connecting the switch circuit 30, and controlling the on/off of the power transmission line through the switch circuit 30, so as to control whether to charge the external device to be charged. For example, the first control circuit 40 is electrically connected to the power conversion circuit 20 and is powered by the voltage converted by the power conversion circuit 20. Alternatively, the first control circuit 40 may be supplied with power from another power supply circuit without being electrically connected to the power conversion circuit 20.
Specifically, the first control circuit 40 may be a Micro Controller Unit (MCU) or a Central Processing Unit (CPU), and the Switch circuit 30 may be a load Switch (L oad Switch), a triode, or a Field Effect Transistor (FET), which can be controlled to be turned on and off.
Wherein the first control circuit 40 controls the switch circuit 30 to be turned on and off according to its required operating power.
In some embodiments, as shown in fig. 1, the power conversion circuit 20 includes a first power converter 21, the first power converter 21 converts the commercial power into a supply voltage required for operating the first control circuit 40, that is, the first control circuit 40 is electrically connected to the first power converter 21, the switch circuit 30 is disposed on the power transmission line between the first power converter 21 and the extended charging interface 10, the supply voltage is further transmitted to the extended charging interface 10 through the power transmission line, wherein the first control circuit 40 controls the switch circuit 30 according to its required operating power.
The cooking appliance 100 further comprises a functional element 50, the functional element 50 being electrically connected to the first control circuit 40. The functional element 50 may be a hot plate assembly or a coil assembly in an electric rice cooker, and then cook food by applying work. The specific structure of the functional element 50 is not limited in the present application, and it is only a component for cooking food in the cooking appliance.
Specifically, the first control circuit 40 further includes a power detection sub-circuit 42, and the power detection sub-circuit 42 is configured to detect the power of the functional element 50, and control the switch circuit 30 to be turned off when detecting that the power of the functional element 50 exceeds or reaches a set power threshold, and control the switch circuit 30 to be turned on when detecting that the power of the functional element 50 is lower than the set power threshold.
For example, the maximum power output by the first power converter 21 is 100 watts, the power required by the cooking appliance 100 to charge the device to be charged is 10 watts, the maximum operating power required by the first control circuit 40 is 95 watts, and the maximum power consumed by the functional element 50 is 90 watts, wherein 90 watts of the 95 watts of the maximum operating power of the first control circuit 40 are allocated to the functional element 50, so that the power threshold can be set to 85 watts, and when the power detection sub-circuit 42 detects that the power of the functional element 50 reaches or exceeds 85 watts, the first control circuit 40 turns off the control switch circuit 30.
Alternatively, the supply voltage provided by the first power converter 21 is directly provided as the charging voltage to the extended charging interface 10.
For example, the first power Converter 21 is an alternating current-direct current Converter (AC-DC Converter) that converts an alternating current commercial power into a direct current weak power to provide a supply voltage to the first control circuit 40 as an operating voltage of the first control circuit 40. The first control circuit 40 of the cooking appliance 100 of different types has different working voltages, for example, the working voltage of the first control circuit 40 in the microwave oven is 5V, and the general charging voltage for the mobile phone to be charged is 5V, the first power converter 21 converts the commercial power into a 5V supply voltage, and the supply voltage can be used as the working voltage of the first control circuit 40 and the charging voltage required for charging the device to be charged at the same time.
Alternatively, there are also situations where the charging voltage is different from the supply voltage, and the supply voltage needs to be converted into the charging voltage. As shown in fig. 2, the power conversion circuit 20 further includes a second power converter 22, and the second power converter 22 converts the supply voltage into the charging voltage.
Specifically, the second power converter 22 is electrically connected to the first power converter 21 and the extended charging interface 10, respectively, to convert the supply voltage provided by the first power converter 21 into the charging voltage for the extended charging interface 10. The switch circuit 30 may be provided on a power line between the first power converter 21 and the second power converter 22, or the switch circuit 30 may be provided on a power line between the second power converter 22 and the extended charging interface 10. The first control circuit 40 controls the switch circuit 30 according to the required working power, and the description is omitted.
The second power converter 22 is a low dropout linear regulator, a Switching converter (SMPS), a Buck converter, or a boost converter, depending on the specific type of the second power converter 22, which is a Buck-type voltage converter or a boost-type voltage converter, for example, the supply voltage is 12V and the charging voltage is 5V, a Buck-type voltage converter is used as the second power converter 22, such as a low dropout linear regulator (L ow driving, &ttranslation = L &ttt/t &ttdo), a Buck-type Buck converter is used to reduce the supply voltage of 12V to a charging voltage of 5V, for example, the charging voltage is 5V and the supply voltage is less than 5V, a boost-type voltage converter is used as the second power converter 22, such as a Switching dc boost power supply, and the supply voltage is converted to a charging voltage of 5V by the second power converter 22.
In other embodiments, as shown in fig. 3, the power conversion circuit 20 includes a first power converter 21 and a third power converter 23, wherein the first power converter 21 converts the commercial power into the power supply voltage required for the operation of the first control circuit 40, i.e. the first power converter 21 is electrically connected to the first control circuit 40. The third power converter 23 converts the commercial power into a charging voltage, and the switch circuit 30 is disposed between the third power converter 23 and the extended charging interface 10.
The first control circuit 40 is electrically connected to the functional element 50, and the first control circuit 40 controls the distribution of power to the functional element 50 to control the operation mode of the functional element 50, so that the first control circuit 40 controls the on/off of the switch circuit 30 according to the required operation power.
Specifically, the first power converter 21 and the third power converter 23 are connected to a power grid that transmits commercial power through the same power transmission line, and the current allowed to pass through the power transmission line is limited, so that when the power consumed by the functional element 50 is high, the value of the current flowing through the first power converter 21 is high, which may cause the sum of the current flowing through the first power converter 21 and the current flowing through the third power converter 23 to be larger than the maximum current allowed to pass through the power transmission line connected to the power grid, thereby bringing about a safety hazard. Therefore, the first control circuit 40 controls the switch circuit 30 to turn off the charging of the external device to be charged, so as to avoid overloading the transmission line connected to the power grid.
For example, different current values flow through the first power converter 21 corresponding to different operation modes of the functional element 50, the current value flowing through the first power converter 21 ranges from 2A to 5A, the current value flowing through the third power converter 23 is 2A, and the maximum current allowed by the power transmission line connected to the power grid is 6A, so that when the current value flowing through the first power converter 21 is greater than or equal to 4A, the first control circuit 40 needs to control the switch circuit 30 to be turned off to turn off the charging of the external device to be charged.
It should be noted that the power detection sub-circuit 42 may also detect the value of the current flowing through the first power converter 21.
The first power converter 21 is an ac/dc converter, and the third power converter 23 is a power adapter. The third power converter 23 is a power adapter for charging electronic devices such as a mobile phone and a tablet computer. In this embodiment, the third power converter 23 is a fast charging power adapter, and includes a Protocol chip (Protocol IC) for implementing communication between the third power converter 23 and the device to be charged, and the Protocol chip can control the output voltage and the output current of the third power converter 23, so as to implement fast charging of the device to be charged, that is, the third power converter 23 has a fast charging function. For example, the protocol chip supports protocols such as Qualcomm Quick Charge/OPPOVOOC flash charging/USB PD and the like, and supports output power of corresponding fast charging protocol standards besides common charging 5V/2A output.
Further, the cooking electrical appliance 100 further includes a trigger switch 60, the trigger switch 60 is connected to the first control circuit 40, the first control circuit 40 controls the switch circuit 30 to be turned on according to the device to be charged at the extended charging interface 10 detected by the trigger switch 60.
Optionally, as shown in fig. 4 and 5, the extended charging interface 10 includes a wired charging interface 11 and/or a wireless charging interface 12.
Wherein, wired interface 11 that charges includes at least one in Micro USB interface, Type C interface and L lighting interface, can be provided with a plurality of wired interfaces 11 that charge on cooking device 100 promptly, and the Type that a plurality of wired interfaces 11 that charge can be different separately to the battery charging outfit of treating of adaptation a plurality of types.
The wireless charging interface 12 includes a second control circuit 120, an inverter circuit 121, and an oscillator circuit 122, two ends of the oscillator circuit 122 are connected to the inverter circuit 121, the inverter circuit 121 receives a charging voltage, and the second control circuit 120 is configured to perform pulse width modulation on the inverter circuit 121.
The second control circuit 120 is a PWM (Pulse Width Modulation) controller, the oscillating circuit 122 includes a resonant capacitor and an electric energy transmitting coil connected in series, the second control circuit 120 controls the inverter circuit 121 to convert the direct current into an alternating current with a desired frequency, and the alternating current generates an alternating magnetic field through the oscillating circuit 122 to wirelessly charge the device to be charged.
Therefore, when the trigger switch 60 senses that the device to be charged is located at the wireless charging interface 12, the first control circuit 40 controls the switch circuit 30 to be turned on, so as to wirelessly charge the device to be charged, and can control the switch circuit 30 to be turned off according to the required working power to turn off the charging of the device to be charged.
The trigger switch 60 is a pressure sensor for detecting whether there is a device to be charged at the extended charging interface 10. The trigger switch 60 may be another type of sensing device, which is not limited in this application.
The cooking appliance 100 may further include a filter circuit disposed on the power line between the power conversion circuit 20 and the power grid. The filter circuit may be a filter board or a circuit on a filter, which is not described in detail.
The cooking appliance is provided with the power supply conversion circuit and the extended charging interface, the power supply conversion circuit converts commercial power into charging voltage and supplies the charging voltage to the extended charging interface so as to charge external equipment to be charged, and the cooking appliance has the function of charging the equipment to be charged; and setting a switch circuit on a power transmission line from the power conversion circuit to the extended charging interface, and setting a first control circuit to control the connection and disconnection of the power transmission line through the switch circuit so as to regulate and control whether the cooking appliance charges the external charging equipment, so that the cooking appliance provided by the application can charge the charging equipment, and the charging function is turned off when the charging process affects the cooking function of the cooking appliance.
The above description is only an example of the present application and is not intended to limit the scope of the present application, and all modifications of equivalent structures and equivalent processes, which are made by the contents of the specification and the drawings, or which are directly or indirectly applied to other related technical fields, are intended to be included within the scope of the present application.
Claims (11)
1. An electric cooking appliance, characterized in that it comprises:
the extended charging interface is used for connecting external equipment to be charged;
the power supply conversion circuit is used for converting commercial power into charging voltage required by charging the equipment to be charged;
the switching circuit is arranged on a power transmission line from the power conversion circuit to the extended charging interface;
and the first control circuit is used for connecting the switching circuit and controlling the on and off of the power transmission line through the switching circuit.
2. The cooking appliance according to claim 1, wherein the power conversion circuit comprises a first power converter, the first power converter converts the commercial power into a supply voltage required for operating the first control circuit, the supply voltage is further transmitted to the extended charging interface through the power transmission line, and the first control circuit controls the switching circuit according to the required operating power.
3. The cooking appliance according to claim 2, further comprising a functional element connected to the first control circuit, wherein the first control circuit further comprises a power detection sub-circuit for detecting the power of the functional element and controlling the switch circuit to be turned off when the power of the functional element exceeds a set power threshold.
4. The cooking appliance according to claim 2, wherein the supply voltage is directly as the charging voltage, or the power conversion circuit comprises a second power converter which further converts the supply voltage into the charging voltage.
5. The cooking appliance of claim 4, wherein the first power converter is an AC-DC converter and the second power converter is a low dropout regulator, a switching converter, a buck converter, or a boost converter.
6. The cooking appliance according to claim 1, wherein the power conversion circuit comprises a first power converter and a third power converter, wherein the first power converter converts the mains power into a supply voltage required for the first control circuit to operate;
the third power converter converts the commercial power into the charging voltage, and the switch circuit is arranged between the third power converter and the extended charging interface.
7. The cooking appliance of claim 6, wherein the first power converter is a AC-DC converter and the third power converter is a power adapter.
8. The cooking appliance according to claim 2, 4 or 6, wherein the extended charging interface comprises a wired charging interface and/or a wireless charging interface.
9. The cooking appliance according to claim 8, wherein the wired charging interface comprises at least one of a Micro USB interface, a Type C interface, and an L lightening interface.
10. The cooking appliance according to claim 8, wherein the wireless charging interface comprises a second control circuit, an inverter circuit and an oscillator circuit, two ends of the oscillator circuit are connected with the inverter circuit, the inverter circuit receives the charging voltage, and the second control circuit is used for performing pulse width modulation on the inverter circuit.
11. The cooking appliance according to claim 1, further comprising a trigger switch connected to the first control circuit, wherein the first control circuit controls the switch circuit to be turned on according to the device to be charged detected at the extended charging interface by the trigger switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921652891.3U CN210985712U (en) | 2019-09-29 | 2019-09-29 | Electric cooking appliance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921652891.3U CN210985712U (en) | 2019-09-29 | 2019-09-29 | Electric cooking appliance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210985712U true CN210985712U (en) | 2020-07-10 |
Family
ID=71419006
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921652891.3U Active CN210985712U (en) | 2019-09-29 | 2019-09-29 | Electric cooking appliance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210985712U (en) |
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2019
- 2019-09-29 CN CN201921652891.3U patent/CN210985712U/en active Active
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