CN111029184A - Switch device, baking device with switch device and household appliance - Google Patents
Switch device, baking device with switch device and household appliance Download PDFInfo
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- CN111029184A CN111029184A CN201911293426.XA CN201911293426A CN111029184A CN 111029184 A CN111029184 A CN 111029184A CN 201911293426 A CN201911293426 A CN 201911293426A CN 111029184 A CN111029184 A CN 111029184A
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- handle
- switch
- power supply
- branch
- switch branch
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H3/00—Mechanisms for operating contacts
- H01H3/02—Operating parts, i.e. for operating driving mechanism by a mechanical force external to the switch
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
- H01H9/54—Circuit arrangements not adapted to a particular application of the switching device and for which no provision exists elsewhere
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
- H01H9/54—Circuit arrangements not adapted to a particular application of the switching device and for which no provision exists elsewhere
- H01H9/547—Combinations of mechanical switches and static switches, the latter being controlled by the former
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H5/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal non-electric working conditions with or without subsequent reconnection
- H02H5/04—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal non-electric working conditions with or without subsequent reconnection responsive to abnormal temperature
Abstract
The invention provides a switch device, a baking device with the switch device and a household appliance, wherein the switch device comprises: the first switch branch is connected with a first power supply and a load; one end of the second switch branch is connected with the first power supply, and the other end of the second switch branch is connected with the load; a power supply holding circuit connected in parallel to the second switching branch; a handle passing through a first position, a second position, and a third position in this order; when the handle is at a first position, the first switch branch is closed or opened, and the second switch branch is opened; when the handle is at the second position, the first switch branch and the second switch branch are closed; the first power supply, the first switch branch, the load and the second switch branch are communicated to form a first loop; the first power supply, the first switch branch, the load and the power supply holding circuit are communicated to form a second loop; when the handle is at the third position, the first switch branch is closed, the second switch branch is opened, so that the first loop is opened, and the second loop is communicated. The switching device of the invention has simple circuit.
Description
Technical Field
The invention belongs to the technical field of household appliances, and particularly relates to a switching device, a baking device with the switching device and a household appliance.
Background
A plurality of household appliances need to adopt a secondary switch to realize a safety protection function, after the household appliances are plugged with a power supply, if a primary switch, such as a temperature controller and a timer, fails after work is finished, the household appliances can be disconnected through the secondary switch, so that the household appliances can be normally worked, and the power supply is disconnected. The mode not only saves standby energy, but also is safer in the using process.
As shown in fig. 1, for the switch circuit of a certain household electrical appliance in the prior art, it can be seen from the figure that the secondary switch circuit is complex, and for the household electrical appliance with small volume and low price, the occupied area of the circuit board is too large by the way to increase the volume of the household electrical appliance, and moreover, too many components and parts can cause too high cost, which is not beneficial to reducing the manufacturing cost of the household electrical appliance.
Disclosure of Invention
In order to overcome the technical defects, the invention provides a switch device, a baking device with the switch device and a household appliance with the switch device, which have simple structures and low cost.
In order to solve the above problems, the present invention provides a switching device including:
one end of the first switch branch is connected with one end of a first power supply, and the other end of the first switch branch is connected with one end of a load;
one end of the second switch branch is connected with the other end of the first power supply, and the other end of the second switch branch is connected with the other end of the load;
a power holding circuit connected in parallel with the second switching branch;
the handle passes through a first position, a second position and a third position in sequence under the action of external force;
when the handle is located at a first position, the first switch branch is closed or opened, and the second switch branch is opened;
when the handle is located at the second position, the first switch branch and the second switch branch are closed, so that the power supply keeps a circuit connected; at this time, the first power supply, the first switch branch, the load and the second switch branch are communicated to form a first loop; the first power supply, the first switch branch, the load and the power supply holding circuit are communicated to form a second loop;
when the handle is located at a third position, the first switch branch is closed, the second switch branch is opened, so that the first loop is opened, and the second loop is communicated.
Compared with the prior art, the switch device has the following beneficial effects: the secondary starting of the circuit is realized through the handle, when the handle is located at the first position, the handle is in a non-starting state, the handle passes through the second position for a short time, so that the load (namely the functional circuit) is instantly connected, meanwhile, the power supply holding circuit is started, and when the handle is located at the third position, the load and the first power supply are kept to be communicated through the power supply holding circuit.
The first switch branch is provided with a first contact group, and the first contact group is opened or closed under the action of the handle, so that the first switch branch is opened or closed.
As a further improvement of the present invention, the first contact set includes:
the first contact set includes:
a first fixed contact connected to the load;
a first free contact connected to the first power source, the first free contact being bent in a direction of the handle to form a first contact arm;
when the handle is located at the second position and the third position, the handle is abutted against the first contact arm, so that the first free contact is connected with the first fixed contact.
As a further improvement of the present invention, the second switching branch is provided with a second contact set, and the second contact set is opened or closed under the action of the handle, so that the second switching branch is opened or closed.
As a further improvement of the present invention, the second contact set includes:
a second fixed contact connected to the load;
the second free contact is connected with the first power supply and is bent along the direction of the handle to form a second contact arm;
when the handle is positioned at the second position, the handle is abutted with the second contact arm so as to enable the second free contact to be connected with the second fixed contact;
when the handle is located at the third position, the handle is not in contact with the second contact arm, so that the second free contact is disconnected with the second fixed contact.
As a further improvement of the present invention, the power holding circuit includes:
the control switch and the control chip are connected with the control switch;
one end of the control switch is connected with the other end of the first power supply, and the other end of the control switch is connected with the other end of the load;
when the first switch branch and the second switch branch are closed, the control chip is connected with the formed first loop so as to obtain electricity and control the control switch to be closed.
The invention also provides a baking device which comprises the switch device, the load is a heating wire with a tap, and two ends of the heating wire are respectively connected with the first switch branch and the second switch branch.
As a further improvement of the present invention, the toasting apparatus further comprises:
and the power supply circuit is connected with the tap and used for converting the first power supply into a second power supply and a third power supply, and the control chip is connected with the second power supply.
As a further improvement of the present invention, the power holding circuit includes a current amplifying circuit including:
the circuit comprises a first diode, a first triode, a first resistor and a second resistor;
the control chip is connected with the base electrode of the first triode through the first resistor, the base electrode of the first triode is connected with the emitting electrode of the first triode through the second resistor, the emitting electrode of the first triode is grounded, and the collecting electrode of the first triode is connected with the control switch.
As a further improvement of the present invention, the control switch is a relay, one end of a coil of the relay is connected to the third power supply, the other end of the coil of the relay is connected to a collector of the first triode, and a normally open contact of the relay is connected between the first power supply and the heating wire.
As a further improvement of the present invention, the control switch includes: silicon controlled rectifier, opto-coupler, third resistance, fourth resistance, fifth resistance, the T1 end of silicon controlled rectifier with first power is connected, the T2 end of silicon controlled rectifier with the heater is connected, the T2 end of silicon controlled rectifier pass through the fourth resistance with the third end of opto-coupler is connected, the gate pole of silicon controlled rectifier pass through the third resistance with the fourth end of opto-coupler is connected, the second end of opto-coupler with the collecting electrode of first triode is connected, the first end of opto-coupler passes through the fifth resistance with the third power is connected.
As a further improvement of the invention, an electromagnet is arranged on a base of the baking device and is connected with the control chip and the third power supply, when the control chip is powered on, the electromagnet is driven to be powered on, and when the handle is located at the third position, the electromagnet is attracted with the handle so as to fix the handle at the third position.
As a further improvement of the present invention, the baking apparatus further comprises: a temperature control circuit and a temperature detection circuit;
the temperature control circuit is connected with the control chip and used for acquiring a preset temperature value;
the temperature detection circuit is connected with the control chip and used for obtaining a real-time temperature value, when the preset temperature value is equal to the real-time temperature value, the control chip is disconnected with the electromagnet, and meanwhile the control chip is disconnected with the control switch.
As a further improvement of the present invention, the baking apparatus further comprises: a working canceling circuit connected with the control chip for sending a working canceling signal, wherein the control chip disconnects the electromagnet when acquiring the working canceling signal
Meanwhile, the invention also provides a household appliance comprising the switch device.
Drawings
Embodiments of the invention are described in further detail below with reference to the attached drawing figures, wherein:
FIG. 1 is a prior art secondary switching circuit diagram;
FIG. 2 is a schematic view of the handle in a first position according to one embodiment;
FIG. 3 is a schematic view of the handle in a second position according to one embodiment;
FIG. 4 is a schematic view of the handle in a third position according to one embodiment;
FIG. 5 is a circuit diagram of the baking apparatus according to the second embodiment;
FIG. 6 is a schematic diagram of the power circuit according to the second embodiment;
FIG. 7 is a diagram of the temperature control circuit, the temperature detection circuit, and the circuit for canceling the operation according to the second embodiment;
FIG. 8 is a circuit diagram of the baking apparatus according to the third embodiment.
Description of the labeling: 1-a first set of contacts; 11-a first fixed contact; 12-a first free contact; 121-a first contact arm; 12-a first free contact; 121-a first contact arm; 2-a second set of contacts; 21-a second fixed contact; 22-a second free contact; 221-a second contact arm; 3-loading; 31-a heating wire; 4-control switch; 5-a handle; 51-an electromagnet; 6-a power supply circuit; 7-a temperature control circuit; 8-a temperature detection circuit; 9-canceling the working circuit; 91-pressing a key; 10-current amplification circuit.
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are described herein for the purpose of illustration and explanation and not limitation.
Example one
The present embodiment discloses a switching device, as shown in fig. 1 to 3, including: the circuit comprises a first switch branch, a second switch branch and a power supply holding circuit, wherein one end of the first switch branch is connected with one end of a first power supply AC, and the other end of the first switch branch is connected with one end of a load 3; one end of the second switch branch is connected with the other end of the first power supply AC, and the other end of the second switch branch is connected with the other end of the load 3; the power supply holding circuit is connected with the second switch branch in parallel; the handle 5 passes through the first position, the second position and the third position in sequence under the action of external force; when the handle 5 is located at the first position, the first switch branch is closed or opened, and the second switch branch is opened; when the handle 5 is located at the second position, the first switch branch and the second switch branch are closed, so that the power supply keeps the circuit connection; at this time, the first power supply AC, the first switch branch, the load 3, and the second switch branch are communicated to form a first loop; the first power supply AC, the first switch branch, the load 3 and the power supply holding circuit are connected to form a second loop; when the handle 5 is located at the third position, the first switch branch is closed, the second switch branch is opened, and the power supply holding circuit is kept connected, so that the first loop is opened, and the second loop is communicated.
The power supply holding circuit is connected with the second switch branch in parallel, and the load can work normally when any one of the two is connected; when the power supply only requires one power line to be added with a switch, the first switch branch can also be always connected, for example, one conducting wire is directly connected, so that the switch device only comprises the second switch branch and the power supply holding circuit.
In the above-described embodiment, the first switching branch is provided with the first contact set 1, and the first contact set 1 is opened or closed by the handle 5, so that the first switching branch is opened or closed.
Specifically, the first contact group 1 includes: a first fixed contact 11 and a first free contact 12, the first fixed contact 11 being connected to the load 3; the first free contact 12 is connected to the first power source AC and bent in the direction of the handle 5 to form a first contact arm 121, and when the handle 5 is located at the second position and the third position, the handle 5 is in contact with the first contact arm 121, so that the first free contact 12 is connected to the first fixed contact 11.
In the above-described embodiment, the second switch branch is provided with the second contact 2, and the second contact group 2 is opened or closed by the handle 5, so that the second switch branch is opened or closed.
Specifically, the second contact group 2 includes: a second fixed contact 21 and a second free contact 22, the second fixed contact 21 being connected to the load 3; the second free contact 22 is connected to the first power source AC and bent in the handle direction to form a second contact arm 221, and when the handle 5 is at the second position, the second free contact 22 is in contact with the second contact arm 221 so that the second free contact 22 is connected to the second fixed contact 21, and when the handle 5 is at the third position, the handle 5 is not in contact with the second contact arm 221 so that the first free contact 12 is disconnected from the first fixed contact 11.
In order to enable the handle 5 to be located at the second position, the first contact group 1 and the second contact group 2 can be simultaneously enabled, when the handle 5 is located at the third position, the first contact group 1 is closed, the second contact group 2 is opened, the first free contact 12 and the second free contact 22 can be arranged in mirror symmetry, the heights of the two contact groups are different, and the handle 5 with the irregular shape is matched, so that when the handle 5 is located at different positions, the positions of the handle contacting with the first contact group 1 and the second contact group 2 are different, and the purpose of controlling the first contact group 1 and the second contact group 2 to be closed or opened is achieved.
In the above embodiment, the power holding circuit includes: the control switch 4 and the control chip MCU are connected with the control switch 4, one end of the control switch 4 is connected with the other end of the first power supply AC, and the other end of the control switch 4 is connected with the other end of the load 3; when the first switch branch and the second switch branch are closed, the control chip MCU is connected with the formed first loop to be electrified and controls the control switch 4 to be closed.
In the embodiment, the secondary starting or the secondary disconnection of the circuit is realized through the handle, when the handle 5 is located at the first position, the circuit is in an un-started state, when the handle 5 is located at the second position, the load 3 (namely, the functional circuit) is instantly connected, meanwhile, the power supply holding circuit is started, the load 3 is kept connected with the first power supply AC, the handle 5 is separated from the contact with the second contact group 2 after being located at the third position, and the on-off of the power supply holding circuit can be controlled through the control chip MCU, so that the occurrence of faults (if the connection between the load 3 and the first power supply AC is broken) is prevented.
Example two
A baking device, such as a toaster, comprises a switch device of the first embodiment, as shown in fig. 4 and 5, a load 3 is a heating wire 31 with a tap, and two ends of the heating wire 31 are respectively connected with a first switch branch (i.e. a first fixed contact 11) and a second switch branch (i.e. a second fixed contact 12).
In the above embodiment, the baking apparatus further includes a power circuit 6 connected to the tap, and configured to convert the first power AC into the second power VCC1 and the third power VCC2, the control chip MCU is connected to the second power VCC1, and the second power VCC3 is a low voltage power supply meeting the requirements of the control chip.
In the above-described embodiment, the power holding circuit further includes the current amplification circuit 10, and the current amplification circuit 10 includes: the circuit comprises a first diode D1, a first triode Q1, a first resistor R1 and a second resistor R2; the control chip MCU is connected with the base electrode of a first triode Q1 through a first resistor R1, the base electrode of the first triode Q1 is connected with the emitting electrode of a first triode Q1 through a second resistor R2, the emitting electrode of the first triode Q1 is grounded, and the collecting electrode of a first triode Q1 is connected with the control switch 4.
In the above embodiment, the control switch 4 is the relay K, one end of the coil of the relay K is connected to the third power source VCC2, the other end of the coil of the relay K is connected to the collector of the first transistor Q1, and the normally open contact of the relay K is connected between the first power source AC and the heating wire 31.
In the above embodiment, the base of the baking device is provided with the electromagnet 51, which is connected to the control chip MCU and the third power source VCC2, when the control chip MCU is powered on, the electromagnet 51 is driven to be powered on, and the handle 5 is provided with the iron sheet, which can be attracted by the powered electromagnet, so that when the handle 5 is located at the third position, the electromagnet 51 is attracted to the handle 5 to fix the handle 5 at the third position.
When the handle 5 is located at the second position, the heating wire 31 is electrified, an alternating current of about 12V-20V is led out through a tap of the heating wire, and a direct current second power supply VCC1 and a direct current third power supply VCC2 are obtained after rectification and voltage reduction of the power supply circuit 6, the control chip MCU obtains a voltage and starts working, and controls the coil of the relay K to be electrified, the normally open contact of the relay K to be closed, and the electromagnet coil to be electrified. The handle 5 is pressed down to reach the third position, and the first power supply AC, the first contact group 1, the normally open contact of the relay K and the heating wire 31 form a closed loop to work normally. The electromagnet 51 energized at the third position holds the iron piece fixed to the upper surface of the handle 5, and maintains the closed state of the first contact group 1.
Further, this embodiment further includes: a temperature control circuit 7 and a temperature detection circuit 8; the temperature control circuit 7 is connected with the control chip MCU and is used for acquiring a preset temperature value; the temperature detection circuit 8 is connected with the control chip MCU and used for obtaining a real-time temperature value, and when the preset temperature value is equal to the real-time temperature value or the working time reaches a preset value, the control chip MCU is disconnected from the electromagnet.
In the above embodiment, as shown in fig. 7, the present embodiment further includes: and the canceling working circuit 9 is connected with the control chip MCU and used for sending a canceling working signal, the control chip MCU is disconnected from the electromagnet 51 when acquiring the canceling working signal, the canceling circuit comprises a key 91, and the key 91 is adopted to trigger a canceling function.
During actual work, the toaster has heating functions of a plurality of gears, the heating wires are different in temperature and time, the temperature control circuit 7 can be provided with a plurality of paths, the paths correspond to the heating functions of the gears respectively, customers can select the heating functions in a key mode, if the customers select the first gear heating function, the power supply of the heating wires is cut off when the temperature reaches the temperature threshold of the first gear heating function; or when the working time of the toaster is up, the electromagnet 51 is powered off, the electromagnetic valve releases the electromagnet 51, the handle 5 rebounds to the first position, the heating wire 31 is powered off, the control switch relay cuts off the main power supply, the toaster is in a non-powered state, and the work can be cancelled in a key mode.
EXAMPLE III
This embodiment provides another toaster, which is different from the second embodiment in that the two embodiments employ different control switches, and as shown in fig. 8, the control switch 4 of this embodiment includes: silicon controlled rectifier SCR, the opto-coupler IC, third resistance R3, fourth resistance R4, fifth resistance R5, silicon controlled rectifier SCR's T1 end is connected with first power AC, silicon controlled rectifier SCR's T2 end is connected with heater 31, silicon controlled rectifier SCR's T2 end is connected with opto-coupler IC's third end through fourth resistance R4, silicon controlled rectifier SCR's gate pole passes through third resistance R3 and opto-coupler IC's fourth end and is connected, opto-coupler IC's second end is connected with first triode Q1's collecting electrode, opto-coupler IC's first end is passed through fifth resistance R5 and is connected with third power VCC 2.
When the handle 5 is located at the second position, the heating wire is electrified, an alternating current of about 12V-20V is led out through a tap of the heating wire, the alternating current is rectified and reduced by the power circuit 6 to obtain a direct current second power VCC1 and a direct current third power VCC2, the control chip MCU obtains the voltage to start working and control the conduction of the silicon controlled rectifier SCR, the handle 5 is continuously pressed downwards to reach the third position, the first power AC, the first contact group 1, the silicon controlled rectifier SCR and the heating wire form a closed loop to normally work. The electromagnet 51 energized at the third position holds the iron piece fixed to the upper surface of the handle 5, and maintains the closed state of the first contact group 1.
Example four
The present embodiment discloses a household appliance, which includes the switch device as described in the first embodiment, and controls the operation of the power supply or the load of the household appliance through the switch device.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way, so that any modification, equivalent change and modification made to the above embodiment according to the technical spirit of the present invention are within the scope of the technical solution of the present invention.
Claims (15)
1. A switching device, comprising:
one end of the first switch branch is connected with one end of a first power supply, and the other end of the first switch branch is connected with one end of a load;
one end of the second switch branch is connected with the other end of the first power supply, and the other end of the second switch branch is connected with the other end of the load;
a power holding circuit connected in parallel with the second switching branch;
the handle passes through a first position, a second position and a third position in sequence under the action of external force;
when the handle is located at a first position, the first switch branch is closed or opened, and the second switch branch is opened;
when the handle is located at the second position, the first switch branch and the second switch branch are closed, so that the power supply keeps a circuit connected; at this time, the first power supply, the first switch branch, the load and the second switch branch are communicated to form a first loop; the first power supply, the first switch branch, the load and the power supply holding circuit are communicated to form a second loop;
when the handle is located at a third position, the first switch branch is closed, the second switch branch is opened, so that the first loop is opened, and the second loop is communicated.
2. A switching device according to claim 1, characterized in that the first switching branch is provided with a first set of contacts which are opened or closed under the influence of the handle in order to open or close the first switching branch.
3. The switching device of claim 2, wherein the first set of contacts comprises:
a first fixed contact connected to the load;
a first free contact connected to the first power source, the first free contact being bent in a direction of the handle to form a first contact arm;
when the handle is located at the second position and the third position, the handle is abutted against the first contact arm, so that the first free contact is connected with the first fixed contact.
4. A switching device according to claim 1, characterized in that the second switching branch is provided with a second set of contacts which is opened or closed under the influence of the handle in order to open or close the second switching branch.
5. The switching device of claim 4, wherein the second set of contacts comprises:
a second fixed contact connected to the load;
the second free contact is connected with the first power supply and is bent along the direction of the handle to form a second contact arm;
when the handle is positioned at the second position, the handle is abutted with the second contact arm so as to enable the second free contact to be connected with the second fixed contact;
when the handle is located at the third position, the handle is not in contact with the second contact arm, so that the second free contact is disconnected with the second fixed contact.
6. The switching device according to any one of claims 1 to 5, wherein the power supply holding circuit comprises:
the control switch and the control chip are connected with the control switch;
one end of the control switch is connected with the other end of the first power supply, and the other end of the control switch is connected with the other end of the load;
when the first switch branch and the second switch branch are closed, the control chip is connected with the formed first loop so as to obtain electricity and control the control switch to be closed.
7. A toasting apparatus comprising the switching device of claim 6;
the load is a heating wire with a tap, and two ends of the heating wire are respectively connected with the first switch branch and the second switch branch.
8. The toasting apparatus of claim 7, further comprising:
and the power supply circuit is connected with the tap and used for converting the first power supply into a second power supply and a third power supply, and the control chip is connected with the second power supply.
9. The toasting apparatus according to claim 8, wherein the power holding circuit further comprises a current amplification circuit comprising:
the circuit comprises a first triode, a first resistor and a second resistor;
the control chip is connected with the base electrode of the first triode through the first resistor, the base electrode of the first triode is connected with the emitting electrode of the first triode through the second resistor, the emitting electrode of the first triode is grounded, and the collecting electrode of the first triode is connected with the control switch.
10. The toasting apparatus according to claim 9, wherein the control switch is a relay, one end of a coil of the relay is connected to the third power source, the other end of the coil of the relay is connected to a collector of the first transistor, and a normally open contact of the relay is connected between the first power source and the heating wire.
11. The toasting apparatus of claim 9, wherein the control switch comprises: silicon controlled rectifier, opto-coupler, third resistance, fourth resistance, fifth resistance, the T1 end of silicon controlled rectifier with first power is connected, the T2 end of silicon controlled rectifier with the heater is connected, the T2 end of silicon controlled rectifier pass through the fourth resistance with the third end of opto-coupler is connected, the gate pole of silicon controlled rectifier pass through the third resistance with the fourth end of opto-coupler is connected, the second end of opto-coupler with the collecting electrode of first triode is connected, the first end of opto-coupler passes through the fifth resistance with the third power is connected.
12. The toasting device as claimed in claim 8, wherein an electromagnet is disposed on the base of the toasting device, and is connected to the control chip and the third power source, wherein when the control chip is powered on, the electromagnet is driven to be powered on, and when the handle is located at the third position, the electromagnet is engaged with the handle to fix the handle at the third position.
13. The toasting apparatus of claim 12, further comprising: a temperature control circuit and a temperature detection circuit;
the temperature control circuit is connected with the control chip and used for acquiring a preset temperature value;
the temperature detection circuit is connected with the control chip and used for obtaining a real-time temperature value, when the preset temperature value is equal to the real-time temperature value, the control chip is disconnected with the electromagnet, and meanwhile the control chip is disconnected with the control switch.
14. The toasting apparatus of claim 12, further comprising: and the canceling working circuit is connected with the control chip and used for sending a canceling working signal, and when the canceling working signal is acquired by the control chip, the control chip is disconnected from the electromagnet, and meanwhile, the control chip is disconnected from the control switch.
15. A household appliance, characterized in that it comprises a switching device according to any one of claims 1 to 5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911293426.XA CN111029184B (en) | 2019-12-16 | 2019-12-16 | Switch device, baking device with switch device and household appliance |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911293426.XA CN111029184B (en) | 2019-12-16 | 2019-12-16 | Switch device, baking device with switch device and household appliance |
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| CN111029184A true CN111029184A (en) | 2020-04-17 |
| CN111029184B CN111029184B (en) | 2022-03-08 |
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| CN110234531A (en) * | 2017-02-10 | 2019-09-13 | 本田技研工业株式会社 | Control system, moving body and control method |
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| US20130253725A1 (en) * | 2012-03-22 | 2013-09-26 | Eitiel EZRA | System and method for appliance activation and deactivation in accordance with religious observance |
| CN203103190U (en) * | 2012-08-28 | 2013-07-31 | 蒋泽金 | Combined transfer switch |
| CN103887871A (en) * | 2014-03-17 | 2014-06-25 | 深圳市泰永电气科技有限公司 | Double-bypass double-power-source conversion switch device |
| CN105280447A (en) * | 2014-07-17 | 2016-01-27 | 施耐德电器工业公司 | Apparatus for prompting electric fault in an electric power protection unit and unit having the apparatus |
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| CN111029184B (en) | 2022-03-08 |
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Denomination of invention: A switching device and a baking device with the same, as well as a household appliance Effective date of registration: 20230725 Granted publication date: 20220308 Pledgee: Shunde Guangdong rural commercial bank Limited by Share Ltd. Pledgor: GUANGDONG REAL-DESIGN INTELLIGENT TECHNOLOGY Co.,Ltd. Registration number: Y2023980049766 |