CN113133700B - Food processor - Google Patents
Food processor Download PDFInfo
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- CN113133700B CN113133700B CN202010060379.0A CN202010060379A CN113133700B CN 113133700 B CN113133700 B CN 113133700B CN 202010060379 A CN202010060379 A CN 202010060379A CN 113133700 B CN113133700 B CN 113133700B
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- isolation
- module
- coupling assembly
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- temperature protection
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
- A47J43/00—Implements for preparing or holding food, not provided for in other groups of this subclass
- A47J43/04—Machines for domestic use not covered elsewhere, e.g. for grinding, mixing, stirring, kneading, emulsifying, whipping or beating foodstuffs, e.g. power-driven
- A47J43/07—Parts or details, e.g. mixing tools, whipping tools
- A47J43/075—Safety devices
- A47J43/0761—Safety devices for machines with tools driven from the lower side
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
- A47J36/00—Parts, details or accessories of cooking-vessels
- A47J36/32—Time-controlled igniting mechanisms or alarm devices
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- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Mechanical Engineering (AREA)
- Control Of Resistance Heating (AREA)
Abstract
The invention discloses a food processor, which comprises: a cooking cup; a base; the over-temperature protection unit is arranged in the cooking cup; the alternating current input end is arranged in the base and connected with an alternating current power supply; wherein, the excess temperature protection unit with the AC input end sets up with the electrical isolation mode to, under the prerequisite of the excess temperature protection of realization to food processor, promoted the security.
Description
Technical Field
The invention relates to the technical field of electric appliances, in particular to a food processor.
Background
Detect high temperature unusual among the food processor among the correlation technique through the temperature protective tube, for example, connect the temperature protective tube on IGBT drive module power, after appearing high temperature fusing temperature protective tube, cut off IGBT drive module's power, IGBT cuts off immediately, stops the heating. Wherein, the temperature protective tube is arranged on the cooking cup of the food processor and is connected with the base through the coupler. However, the related art has problems in that since the power supply is in a non-isolated manner, it is easily touched by a human hand and safety performance is low.
Disclosure of Invention
The present invention is directed to solving, at least to some extent, one of the technical problems in the related art.
Therefore, the first objective of the present invention is to provide a food processor, wherein an ac input terminal is connected to an ac power supply, and an over-temperature protection unit is electrically isolated from the ac input terminal, so that safety can be improved on the premise of implementing over-temperature protection of the food processor.
To achieve the above object, a first aspect of the present invention provides a food processor, including: a cooking cup; a base; the over-temperature protection unit is arranged in the cooking cup; the alternating current input end is arranged in the base and connected with an alternating current power supply; the over-temperature protection unit and the alternating current input end are arranged in an electric isolation mode.
According to the food processor provided by the embodiment of the invention, the alternating current input end is connected with the alternating current power supply, and the over-temperature protection unit and the alternating current input end are arranged in an electrical isolation mode, so that the over-temperature protection unit transmits an isolation signal, and the safety is improved on the premise of realizing the over-temperature protection of the food processor.
In addition, the food processor according to the embodiment of the invention may further have the following additional technical features:
according to an embodiment of the invention, the food processor further comprises: the input end of the isolation power supply module is connected with the alternating current input end through a rectifying unit; the power supply end of the isolation electric device is connected with the output end of the isolation power supply module; the over-temperature protection unit is connected between the output end of the isolation power supply module and the power supply end of the isolation electric device in series.
According to an embodiment of the present invention, the isolation power module and the isolation electric device are both disposed in the base, the base is further provided with a second coupling component, the food cup is further provided with a first coupling component, and the first coupling component is matched with the second coupling component, wherein one end of the over-temperature protection unit is connected to the output end of the isolation power module through the first terminal of the first coupling component and the first terminal of the second coupling component, and the other end of the over-temperature protection unit is connected to the power end of the isolation electric device through the second terminal of the first coupling component and the second terminal of the second coupling component.
According to an embodiment of the present invention, the isolation power module is disposed in the base, the isolation electric device is disposed in the cooking cup, the base is further provided with a second coupling component, the cooking cup is further provided with a first coupling component, the first coupling component is matched with the second coupling component, wherein one end of the over-temperature protection unit is connected to the output end of the isolation power module through the first terminal of the first coupling component and the first terminal of the second coupling component, and the other end of the over-temperature protection unit is connected to the power supply end of the isolation electric device.
According to an embodiment of the invention, the food processor further comprises: the input end of the isolation power supply module is connected with the alternating current input end through a rectifying unit; the power supply end of the isolation electric device is connected with the output end of the isolation power supply module; the isolation communication module is connected with the communication end of the isolation electric device, and a power supply end of the isolation communication module is connected with an output end of the isolation power supply module; the over-temperature protection unit is connected between the isolation communication module and the communication end of the isolation electric device in series.
According to an embodiment of the present invention, the isolation power module, the isolation communication module and the isolation electric device are all disposed in the base, the base is further provided with a second coupling component, the cooking cup is further provided with a first coupling component, the first coupling component is matched with the second coupling component, wherein one end of the over-temperature protection unit is connected to the isolation communication module through a first terminal of the first coupling component and a first terminal of the second coupling component, and the other end of the over-temperature protection unit is connected to the communication end of the isolation electric device through a second terminal of the first coupling component and a second terminal of the second coupling component.
According to an embodiment of the present invention, the isolation power module and the isolation communication module are both disposed in the base, the isolation electric device is disposed in the cooking cup, the base is further provided with a second coupling component, the cooking cup is further provided with a first coupling component, the first coupling component is matched with the second coupling component, wherein one end of the over-temperature protection unit is connected to the isolation communication module through a first terminal of the first coupling component and a first terminal of the second coupling component, and the other end of the over-temperature protection unit is connected to a communication end of the isolation electric device.
According to an embodiment of the present invention, the output terminal of the isolation power supply module is connected to a power supply terminal of an isolation electric device, wherein the over-temperature protection unit is connected to a signal receiving terminal of the isolation electric device through the first coupling component and the second coupling component.
According to one embodiment of the invention, the base is further provided with a control unit and a heating module, and the control unit is used for controlling the heating module to stop heating when the isolation electric appliance is powered off.
According to an embodiment of the invention, a control unit and a heating module are further arranged on the base, and the control unit is used for controlling the heating module to stop heating when the isolation electric device and the isolation communication module stop communicating.
According to one embodiment of the invention, the base is further provided with a control unit and a heating module, the control unit is communicated with the electric isolation device through an isolation communication module, the electric isolation device generates temperature abnormity information according to the over-temperature protection unit, and the control unit is used for controlling the heating module to stop heating when receiving the temperature abnormity information.
According to one embodiment of the invention, a temperature sampling unit is arranged in the food cup, the temperature sampling unit is connected with the first coupling assembly and the second coupling assembly through a second signal line, the over-temperature protection unit is connected with the first coupling assembly and the second coupling assembly through a first signal line, and the interval between the first signal line and the second signal line is 0.6-16 mm.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
Fig. 1 is a block schematic diagram of a food processor according to an embodiment of the invention;
FIG. 2 is a schematic diagram of a food processor according to one embodiment of the present invention;
FIG. 3 is a block diagram of a food processor according to one embodiment of the present invention;
FIG. 4 is a block diagram of a food processor according to yet another embodiment of the present invention;
FIG. 5 is a block schematic diagram of a food processor according to yet another embodiment of the invention;
fig. 6 is a communication block diagram of an isolation communication module and an isolation electrical device in the food processor according to the embodiment of the invention;
fig. 7 is a flow chart of the operation of the food processor according to the embodiment of the invention.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.
Before describing the food processor of the present invention, a brief description will be given of the food processor of the related art.
On the temperature protective tube among the food processor connects IGBT drive module's the power, this power is the non-isolation power, opens circuit immediately when the temperature of temperature protective tube is too high, and IGBT drive module stops to drive food processor's heating because of the outage simultaneously, reaches the excess temperature protection purpose.
However, the inventor of the present application has found and recognized that, in the food processor, since the temperature fuse tube is supplied with power by a non-isolated power supply, a potential safety hazard is likely to occur.
Based on this, the embodiment of the invention provides a food processor, wherein an isolation power supply, an isolation communication module and a control unit are arranged in an isolation area of a food processor base, the isolation power supply is used for supplying power to an isolation electric device and the isolation communication module, and meanwhile, communication between the control unit and the isolation electric device is realized.
The food processor of the embodiment of the present invention is described in detail below with reference to the accompanying drawings.
Fig. 1 is a block diagram of a food processor according to an embodiment of the present invention. As shown in fig. 1, the food processor 101 includes a processing cup 102 and a base 103, wherein an over-temperature protection unit 104 is disposed in the processing cup 102, an ac input terminal 105 is disposed in the base 103, the ac input terminal 105 is connected to an ac power source, and the over-temperature protection unit 104 and the ac input terminal 105 are disposed in an electrically isolated manner.
As an example, the food processor 101 may be a wall breaking machine or a blender, etc.
Specifically, the ac input terminal 105 may include a line terminal L and a neutral terminal N
As an alternative example, the electrical isolation may be implemented by providing an isolated power supply module, for example, an isolated power supply may be provided between the over-temperature protection unit 104 and the ac input terminal 105, so that the hands are not easily touched, and the safety is improved.
According to the first embodiment of the present invention, as shown in fig. 2 and fig. 3, the food processor 101 may further include an isolation power module 201 and an isolation electric device 202, an input terminal of the isolation power module 201 is connected to the ac input terminal 105 through a rectifying unit 210, and a power supply terminal of the isolation electric device 202 is connected to an output terminal of the isolation power module, wherein the over-temperature protection unit 104 is connected in series between the output terminal of the isolation power module and the power supply terminal of the isolation electric device.
Wherein, the isolation electric device 202 can be an operation display unit, the operation display unit can display the temperature of the cooking cup 102, and the output end of the isolation power module (for example, the first power VCC2 in fig. 2) can output 5V voltage to supply power to the isolation electric device 202.
Specifically, as shown in fig. 2, the rectifying unit 210 may include a first diode D1 and a second diode D2, wherein an anode of the first diode D1 is connected to the live line end L, an anode of the second diode D2 is connected to the neutral line end N, and a cathode of the first diode D1 is connected to a cathode of the second diode D2 and is further connected to the input end of the isolation power supply module 201.
In this embodiment, as shown in fig. 2, the rectifying unit 210 rectifies the ac power input by the ac input terminal 105, the isolation power supply module 201 converts the rectified ac power into a first power VCC2, and an output terminal of the isolation power supply module 201 is connected to a power supply terminal of the isolation electrical device 202 to supply power to the isolation electrical device 202. Because first power VCC2 is the isolation power, overtemperature protection unit 104 establishes ties between the output (being first power VCC 2) of isolating power module 201 and the power end of isolation consumer 202, therefore, overtemperature protection unit 104 can transmit the isolation signal between isolating power module 201 and isolation consumer 202, electrical isolation has been realized, when overtemperature protection unit 104 disconnection (if blow the fuse because of high temperature), the power end and the first power VCC2 disconnection of isolation consumer 202, keep apart the outage of consumer 202 promptly, realize the overtemperature protection to the cooking machine, simultaneously because the setting of electrical isolation mode, make the staff be difficult for the contact, the security has been promoted.
Therefore, in the embodiment of the invention, the alternating current input end is connected with the alternating current power supply, and the over-temperature protection unit and the alternating current input end are arranged in an electrical isolation mode, so that the over-temperature protection unit transmits an isolation signal, and the safety is improved on the premise of realizing over-temperature protection of the food processor.
As an example, as shown in fig. 2 and fig. 3, the isolation power module 201 and the isolation electric device 202 may be both disposed in a base, the base is further provided with a second coupling component, the cooking cup 102 is further provided with a first coupling component, the first coupling component is matched with the second coupling component, wherein one end of the over-temperature protection unit is connected to the output end of the isolation power module 201 through the first terminal of the first coupling component and the first terminal of the second coupling component, and the other end of the over-temperature protection unit is connected to the power end of the isolation electric device 202 through the second terminal of the first coupling component and the second terminal of the second coupling component.
It is understood that the connection between the cooking cup 102 and the base 103 of the food processor 101 can be a bayonet connection or a screw connection, and when the cooking cup 102 and the base 103 are properly connected, the first coupling component 105 at the bottom of the cooking cup 102 is coupled with the second coupling component 106 at the top of the base 103.
As another example, the isolation power module 201 is disposed in a base, the isolation electric device 202 is disposed in the food processing cup 102, the base is further provided with a second coupling component, the food processing cup 102 is further provided with a first coupling component, the first coupling component is matched with the second coupling component, wherein one end of the over-temperature protection unit is connected to the output end of the isolation power module 201 through the first terminal of the first coupling component and the first terminal of the second coupling component, and the other end of the over-temperature protection unit is connected to the power end of the isolation electric device 202.
Further, as shown in fig. 2 and 3, a control unit 204 and a heating module 212 are further disposed on the base 103, and the control unit 204 is configured to control the heating module 212 to stop heating when the isolation electric device 202 is powered off.
Specifically, the heating module 212 may be an electromagnetic heating module, for example, as shown in fig. 2, the heating module 212 includes a heating coil L2, a resonant capacitor C2, an IGBT tube Q1, and an IGBT driving module 205, where the heating coil L2 is connected in parallel with the resonant capacitor C2, that is, one end of the heating coil L2 is connected to one end of the resonant capacitor C2, the other end of the heating coil L2 is connected to the other end of the resonant capacitor C2, a collector of the IGBT tube Q1 is connected to the other end of the heating coil L2 and the other end of the resonant capacitor C2, an emitter of the IGBT tube Q1 is grounded, a base of the IGBT tube Q1 is connected to the IGBT driving module 205, the IGBT driving module 205 is further connected to the control unit 204, and the IGBT driving module 205 may be configured to drive the IGBT tube Q1 to turn on or turn off under the control of the control unit 204, so as to implement electromagnetic heating.
For example, when the control unit 204 detects that the isolation electric device 202 is powered off, the heating module 212 is controlled to stop heating, for example, the control unit 204 sends a turn-off signal (e.g., a low level signal) to the IGBT driving module 205, the IGBT driving module 205 drives the power switch tube IGBT to turn off, and the heating module 212 stops heating.
In addition, as an optional example, as shown in fig. 2, a motor 208 and a motor driving module 207 may also be disposed on the base 103, the motor driving module 207 is connected to the motor 208 and the control unit 204, and the motor driving module 207 is configured to drive the motor 208 under the control of the control unit 204, so that the motor 208 drives the stirring blade in the cooking cup 102 to stir. For example, the control unit 204 may control the heating module 212 to stop heating, and simultaneously drive the motor 208 through the motor driving module 207 to continue the stirring operation or stop the stirring operation, which is not limited in the present invention.
Further, the base 103 may further be provided with a rectifier bridge D1 and a filter unit 211, wherein a first input end of the rectifier bridge D1 is connected to the live line end L, a second input end of the rectifier bridge D1 is connected to the neutral line end N, a first output end of the rectifier bridge D1 is connected to the filter unit 211, and a second input end of the rectifier bridge D1 is grounded; the filtering unit 211 includes a first inductor L1 and a first capacitor C1, one end of the first inductor L1 is connected to the first output end of the rectifier bridge D1, the other end of the first inductor L1 is connected to the heating module 212, one end of the first capacitor C1 is connected to the other end of the first inductor L1, and the other end of the first capacitor C1 is grounded.
The rectifier bridge D1 is used for rectifying the alternating current input by the alternating current input terminal 105; the filtering unit 211 is configured to filter the rectified ac power to obtain a filtered dc power, which may be supplied to the heating module 212.
In addition, the first input end of the rectifier bridge D1 is connected to the live wire end L through the fuse F1, and when the voltage flowing through the fuse F1 is limited to the upper limit of the load of the fuse F1, the fuse F1 is disconnected to protect the circuit.
As an optional example, as shown in fig. 2, the food processor 101 may further include a non-isolated power supply 209, an input end of the non-isolated power supply 209 is connected to the ac input end 105 through a rectifying unit 210, a first output end of the non-isolated power supply 209 is connected to the control unit 204, a second output end of the non-isolated power supply 209 is connected to the IGBT driving module 205, the non-isolated power supply 209 is configured to convert the rectified ac into a second power supply VCC and a third power supply VCC1, and supply the third power supply VCC1 to the control unit 204 through the first output end, and supply the second power supply VCC to the IGBT driving module 205 through the second output end. The second power supply VCC may also supply power to the heat dissipation fan, the second power supply VCC may be 18V, and the third power supply VCC1 may be 5V.
According to the second embodiment of the present invention, the food processor 101 further includes: an isolated power supply module 201, an isolated electrical device 202, and an isolated communication module 203.
The input end of the isolation power supply module 201 is connected to the ac input end 105 through the rectifying unit 210, the power supply end of the isolation electric device 202 is connected to the output end (i.e., the first power VCC 2) of the isolation power supply module 201, the isolation communication module 203 is connected to the communication end of the isolation electric device 202, and the power supply end of the isolation communication module 203 is connected to the output end of the isolation power supply module 201.
The over-temperature protection unit 104 is connected in series between the isolation communication module 203 and the communication terminal of the isolation electric device 202.
It will be appreciated that the control unit 204 in the base may communicate with the isolated powered device 202, such as the operating display unit, via the isolated communication module 203, as shown in figure 2. Alternatively, the control unit 204 and the isolated communication module 203 may be integrally provided, and the isolated electric device 202 may be powered by the first power source VCC2, for example, a 5V power source.
It can be understood that, in the present embodiment, the rectifying unit 210 rectifies the ac power input by the ac input terminal 105, the isolated power supply module 201 converts the rectified ac power into the first power VCC2, and the output terminal of the isolated power supply module 201 is connected to the power supply terminal of the isolated communication module 203 to supply power to the isolated communication module 203. The isolation communication module 203 communicates with the isolation electric device 202 through the over-temperature protection unit 104, the first coupling module 105, and the second coupling module 106, and since the first power VCC2 is an isolation power, and the isolation communication module 203 and the isolation electric device 202 are isolation electric devices, the over-temperature protection unit 104 also realizes electrical isolation.
As an embodiment, as shown in fig. 2 and fig. 4, the isolation power module 201, the isolation communication module 203 and the isolation electric device 202 are all disposed in a base, the base is further provided with a second coupling component, the cooking cup 102 is further provided with a first coupling component, the first coupling component is matched with the second coupling component, one end of the over-temperature protection unit is connected to the isolation communication module 203 through a first terminal of the first coupling component and a first terminal of the second coupling component, and the other end of the over-temperature protection unit is connected to a communication end of the isolation electric device 202 through a second terminal of the first coupling component and a second terminal of the second coupling component.
For example, one end of the over-temperature protection unit 104 is connected to the receiving terminal RX of the isolation communication module 203, the other end of the over-temperature protection unit 104 is connected to the transmitting communication terminal of the isolation electric device 202, and the transmitting terminal TX of the isolation communication module 203 is directly connected to the receiving communication terminal of the isolation electric device 202.
As another example, the isolation power module 201 and the isolation communication module 203 are both disposed in a base, the isolation electric device 202 is disposed in the food cup 102, the base is further provided with a second coupling component, the food cup 102 is further provided with a first coupling component, the first coupling component is matched with the second coupling component, one end of the over-temperature protection unit is connected to the isolation communication module 203 through a first terminal of the first coupling component and a first terminal of the second coupling component, and the other end of the over-temperature protection unit is connected to a communication end of the isolation electric device 202.
Further, as shown in fig. 2 and 4, a control unit 204 and a heating module 212 are further disposed on the base 103, and the control unit 204 is configured to control the heating module 212 to stop heating when the isolation electric device 202 and the isolation communication module 203 stop communicating.
Specifically, when the over-temperature protection unit 104 is disconnected (e.g., a fuse is blown due to high temperature), the isolation communication module 203 and the isolation electric device 202 are stopped from communicating with each other, that is, the control unit 204 detects that a communication fault occurs between the isolation communication module 203 and the isolation electric device 202, at this time, the control unit 204 sends a closing signal (e.g., a low-level signal) to the IGBT driving module 205, the IGBT driving module 205 drives the power switch tube IGBT to close, and the heating module 212 stops heating.
According to the third embodiment of the present invention, as shown in fig. 2 and fig. 5, the output terminal of the isolation power module 201 is connected to the power terminal of the isolation electric device 202, wherein the over-temperature protection unit 104 is connected to the signal receiving terminal of the isolation electric device 202 through the first coupling component and the second coupling component.
Further, as shown in fig. 2 and 5, a control unit 204 and a heating module 212 are further disposed on the base 103, the control unit 204 communicates with the electric device 202 for isolation through the isolation communication module 203, wherein the electric device 202 for isolation generates temperature abnormality information according to the over-temperature protection unit 104, and the control unit 204 is configured to control the heating module 212 to stop heating when receiving the temperature abnormality information.
It is to be understood that, in the present embodiment, as shown in fig. 6, the control unit 204 communicates with the electric devices 202 for isolation, such as the operation display unit, through the isolation communication module 203. The rectifying unit 210 rectifies the alternating current input by the alternating current input terminal 105, and the isolation power supply module 201 converts the rectified alternating current into a first power supply VCC2 to supply power to the isolation electric device 202 and the isolation communication module 203.
The signal receiving end of the isolation electric device 202 detects the state of the over-temperature protection unit 104 through the first coupling component and the second coupling component, and since the first power VCC2 is an isolation power supply and the isolation communication module 203 and the isolation electric device 202 are isolation electric devices, the over-temperature protection unit 104 also realizes electrical isolation.
Specifically, when the over-temperature protection unit 104 is disconnected (e.g., a fuse is blown due to high temperature), the isolation electric device 202 generates temperature abnormality information and sends the temperature abnormality information to the control unit 204 through the isolation communication module 203, after the control unit 204 receives the temperature abnormality information, the control unit 204 sends a turn-off signal (e.g., a low-level signal) to the IGBT driving module 205, the IGBT driving module 205 drives the power switch tube IGBT to turn off, and the heating module 212 stops heating.
As described above, the work flow of the food processor according to the embodiment of the present invention is described with reference to fig. 7:
s701: and starting.
S702: it is determined whether the heating module 212 is still heating.
If yes, go to step S703; if not, step S707 is executed.
S703: and judging whether the communication between the isolation communication module and the isolation electric device is in fault.
If yes, go to step S704; if not, go to step S705.
S704: the control unit controls the heating module 212 to stop heating and executes step S707.
S705: and judging whether the temperature abnormal information sent by the isolation electrical appliance is received.
If yes, go to step S704; if not, go to step S706.
S706: and (4) heating normally.
S707: and (6) exiting.
As an optional example, the cooking cup 102 is provided with a temperature sampling unit 206, the temperature sampling unit 206 is connected to the first coupling component and the second coupling component through a second signal line, and the over-temperature protection unit 104 is connected to the first coupling component and the second coupling component through a first signal line, wherein an interval between the first signal line and the second signal line is 0.6mm to 16mm.
It can be understood that the temperature sampling unit 206 samples the temperature of the cooking cup 102 and sends the sampling result to the electric device 202 for isolation, the electric device 202 for isolation can send the sampling result to the control unit 204 through the isolation communication module 203, and the control unit 204 controls the heating module 212 according to the sampling result.
Therefore, the isolation electric device 202 and the isolation communication module 203 are isolation electric devices, the temperature sampling unit 206 also realizes electrical isolation, the temperature sampling unit 206 and the over-temperature protection unit 104 both realize electrical isolation, and the first signal line and the second signal line transmit isolation signals, so that the electrical distance between the signals can be 0.6mm to 16mm, that is, the interval between the first signal line and the second signal line can be 0.6mm to 16mm. Therefore, the arrangement of the coupler is further simplified, the space occupied by the coupler is reduced, and the miniaturization of equipment is facilitated.
In summary, according to the food processor of the embodiment of the present invention, the ac input terminal is connected to the ac power supply, and the over-temperature protection unit is electrically isolated from the ac input terminal, so that the over-temperature protection unit transmits the isolation signal, thereby improving the safety, simplifying the design of the coupler, and facilitating the implementation of the process on the premise of implementing the over-temperature protection of the food processor.
In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are 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 the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless explicitly specified otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood according to specific situations by those of ordinary skill in the art.
In the present invention, unless otherwise expressly stated or limited, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through an intermediate. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature "under," "beneath," and "under" a second feature may be directly under or obliquely under the second feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
In the description of the specification, reference to the description of "one embodiment," "some embodiments," "an example," "a specific example," or "some examples" or the like means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art within the scope of the present invention.
Claims (8)
1. A food processor, comprising:
a cooking cup;
a base;
the over-temperature protection unit is arranged in the cooking cup;
the alternating current input end is arranged in the base and connected with an alternating current power supply;
the over-temperature protection unit and the alternating current input end are arranged in an electric isolation mode;
the input end of the isolation power supply module is connected with the alternating current input end through a rectifying unit;
the power supply end of the isolation electric device is connected with the output end of the isolation power supply module;
the isolation communication module is connected with the communication end of the isolation electric device, and a power supply end of the isolation communication module is connected with an output end of the isolation power supply module;
the over-temperature protection unit is connected between the isolation communication module and the communication end of the isolation electric device in series.
2. The food processor of claim 1, wherein the isolated power module, the isolated communication module, and the isolated power device are all disposed in the base, the base is further provided with a second coupling assembly, the cooking cup is further provided with a first coupling assembly, the first coupling assembly mates with the second coupling assembly, wherein,
one end of the over-temperature protection unit is connected with the isolation communication module through the first terminal of the first coupling assembly and the first terminal of the second coupling assembly, and the other end of the over-temperature protection unit is connected with the communication end of the isolation electric device through the second terminal of the first coupling assembly and the second terminal of the second coupling assembly.
3. The food processor of claim 1, wherein the isolated power module and the isolated communication module are both disposed in the base, the isolated power device is disposed in the processing cup, the base is further provided with a second coupling assembly, the processing cup is further provided with a first coupling assembly, the first coupling assembly cooperates with the second coupling assembly, wherein,
one end of the over-temperature protection unit is connected with the isolation communication module through the first terminal of the first coupling assembly and the first terminal of the second coupling assembly, and the other end of the over-temperature protection unit is connected with the communication end of the isolation electric device.
4. The food processor of claim 3, wherein the output terminal of the isolation power module is connected to the power terminal of the isolation electric device, and wherein the over-temperature protection unit is connected to the signal receiving terminal of the isolation electric device through the first coupling assembly and the second coupling assembly.
5. The food processor of claim 1, wherein the base is further provided with a control unit and a heating module, and the control unit is configured to control the heating module to stop heating when the isolated electrical appliance is powered off.
6. The food processor as claimed in any one of claims 2 to 3, wherein a control unit and a heating module are further provided on the base, the control unit is configured to control the heating module to stop heating when the isolated electric device and the isolated communication module stop communicating.
7. The food processor of claim 4, wherein the base is further provided with a control unit and a heating module, the control unit communicates with the electric isolation device through an isolation communication module, the electric isolation device generates temperature abnormality information according to the over-temperature protection unit, and the control unit is configured to control the heating module to stop heating when receiving the temperature abnormality information.
8. The food processor of claim 3, wherein a temperature sampling unit is arranged in the processing cup, the temperature sampling unit is connected with the first coupling assembly and the second coupling assembly through a second signal wire, the over-temperature protection unit is connected with the first coupling assembly and the second coupling assembly through a first signal wire, and the interval between the first signal wire and the second signal wire is 0.6 mm-16mm.
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| CN202010060379.0A CN113133700B (en) | 2020-01-19 | 2020-01-19 | Food processor |
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| CN202010060379.0A CN113133700B (en) | 2020-01-19 | 2020-01-19 | Food processor |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN209593100U (en) * | 2018-12-29 | 2019-11-05 | 上海贝电实业（集团）股份有限公司 | A kind of remote controlled Intelligent reclosing switching device |
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| CN101816509A (en) * | 2010-05-05 | 2010-09-01 | 广东威王集团顺德电器有限公司 | Electric pressure cooker using insulation board |
| CN203555530U (en) * | 2013-10-17 | 2014-04-23 | 九阳股份有限公司 | Electric heat pot with safe temperature measuring function |
| CN109222688B (en) * | 2015-02-13 | 2022-02-08 | 金弘培 | Food processing cooking device |
| CN206284979U (en) * | 2016-09-07 | 2017-06-30 | 广东美的生活电器制造有限公司 | Food cooking machine |
| CN206576730U (en) * | 2016-10-28 | 2017-10-24 | 广东美的生活电器制造有限公司 | Heating disc component, cup component and cooking apparatus |
| CN207560373U (en) * | 2017-10-23 | 2018-06-29 | 郏帅军 | A kind of heating unit of explosion-proof anti-dry electric hot-water bag |
| CN108113459A (en) * | 2017-11-14 | 2018-06-05 | 浙江绍兴苏泊尔生活电器有限公司 | Food cooking method and food cooking machine |
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| CN209593100U (en) * | 2018-12-29 | 2019-11-05 | 上海贝电实业（集团）股份有限公司 | A kind of remote controlled Intelligent reclosing switching device |
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