CN217218797U - Heating control circuit of electric cooking device and frying and baking machine - Google Patents
Heating control circuit of electric cooking device and frying and baking machine Download PDFInfo
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- CN217218797U CN217218797U CN202220895704.XU CN202220895704U CN217218797U CN 217218797 U CN217218797 U CN 217218797U CN 202220895704 U CN202220895704 U CN 202220895704U CN 217218797 U CN217218797 U CN 217218797U
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Abstract
The utility model discloses a heating control circuit of an electric cooking device and a frying and baking machine, through arranging indication units at two ends of an electric heating unit and a first temperature controller, wherein the indication units comprise two branches of a temperature indication unit and a power indication unit, respectively indicate the working state of the electric cooking device and the temperature of the electric heating unit, and are connected with a second temperature controller in series on the temperature indication unit or connected with the second temperature controller in parallel on the power indication unit, when the circuit works, the first indication lamp and the second indication lamp are controlled to be switched on or off, when the dish temperature does not reach the set temperature, at least the power indication unit is in the working state, when the dish temperature reaches the set temperature, the temperature indication unit works to indicate that oil and food can be discharged, the oil smoke generated at the moment is less, and the first temperature controller for controlling the dish temperature is not tripped, the firepower can continue to increase after the food is discharged, the best cooking effect is achieved, and the user can conveniently operate the cooking device in time.
Description
Technical Field
The utility model relates to an electric cooking ware technical field, concretely relates to heating control circuit and roast machine of frying in shallow oil of electric cooking ware.
Background
There are many different kinds of electric cooking devices on the market, which can perform various functions such as frying, baking, steaming, and boiling, and when cooking food with different firepower, the food should be put in according to different time. The temperature of a baking tray is controlled through a temperature controller in the conventional mode, an indicator lamp in a circuit only plays a role of a power indicator lamp, whether the temperature of the baking tray reaches a set value or not can not be prompted, and oil and food can not be placed at the proper temperature. There is some producer to set up double-colored pilot lamp in the circuit, when the overware temperature does not reach the highest, double-colored pilot lamp can send the green glow, when the overware temperature reaches the highest, when the temperature controller of control panel temperature jumps and breaks, double-colored pilot lamp can send ruddiness, the realization is indicateed the overware temperature, but the time is later this moment, the dish temperature has reached the highest, can produce more oil smoke when the pot is empty to burn, because the temperature controller jumps and breaks, firepower can descend gradually after putting food, the culinary art effect is not the best this moment.
SUMMERY OF THE UTILITY MODEL
In view of the above analysis, the present invention provides a heating control circuit of an electric cooking device and a frying and baking machine to solve the deficiencies of the prior art.
The utility model discloses mainly realize through following technical scheme:
the utility model provides a heating control circuit of electric cooking ware, including first temperature controller, indicating element to and a plurality of heating circuit, heating circuit includes heating control switch and the electrical heating unit that concatenates mutually, the first end of heating control switch is connected with the first end electricity of power, the second end of electrical heating unit is connected with the first temperature controller after being connected with the second end electricity of power, indicating element sets up between the first end of electrical heating unit and the second end of power, indicating element includes temperature indicating element, power indicating element and is in the second temperature controller of normally open state;
the temperature indicating unit is connected with a second temperature controller in series and then connected with the power indicating unit in series, the joint of the temperature indicating unit and the power indicating unit is connected with the electric heating unit, and the joint of the second temperature controller and the power indicating unit is connected with the second end of the power supply;
or the second temperature controller is connected with two ends of the power supply indicating unit in parallel, the temperature indicating unit is connected with two ends of the power supply indicating unit in parallel, the joint of the first end parts of the temperature indicating unit and the power supply indicating unit is connected with the heating control switch, and the joint of the second end parts of the temperature indicating unit and the power supply indicating unit is electrically connected with the second end part of the power supply.
Further, the temperature indicating unit comprises a first indicating lamp, and the power indicating unit comprises a second indicating lamp.
Further, when the anode of the first indicator light is connected in series with the second temperature controller, the power indicator unit comprises a first voltage dividing element connected in series with the anode of the second indicator light, the cathode of the second indicator light is connected in series with the cathode of the first indicator light, and the second end of the first voltage dividing element is electrically connected with the second end of the second temperature controller;
when the second indicator light is connected with the second temperature controller in parallel, the indicating unit comprises a second voltage dividing element connected between the first indicator light and the second indicator light in series, the negative electrode of the first indicator light, the second voltage dividing element and the negative electrode of the second indicator light are sequentially connected in series to form a loop, and the second voltage dividing element is electrically connected with the second end of the power supply.
Further, the first voltage division element is a first diode or a first resistor;
or the second voltage division element comprises a first resistor and a second resistor which are connected in series, and the joint of the first resistor and the second resistor is electrically connected with the second end of the power supply.
Furthermore, at least two heating circuits are connected in parallel, and one-way conduction elements are respectively arranged between the first end of the first indicator light and the second end of each heating control switch.
Further, the one-way conduction element is a second diode.
Further, when the second end of the temperature indicating unit is connected in series with the second temperature controller, a third resistor is arranged between the second temperature controller and the second end of the power indicating unit and the second end of the power supply.
Furthermore, the first indicator light and the second indicator light form a double-color indicator light.
Further, a fuse is arranged between the first end of the heating control switch and the first end of the power supply.
The utility model provides a frying and baking machine, include heating control circuit, the electrical heating unit is used for heating the overware.
Compared with the prior art the utility model discloses technical scheme's beneficial effect does:
the utility model provides a heating control circuit and frying and baking machine of electric cooking device, through set up the indicating unit at the both ends of electric heating unit and first temperature controller, the indicating unit includes two branches of temperature indicating unit and power indicating unit, indicate the operating condition of electric cooking device and the temperature of electric heating unit respectively, and concatenate the second temperature controller on the temperature indicating unit, or connect the second temperature controller in parallel on the power indicating unit, control first pilot lamp, second pilot lamp and make it switch on or close when the circuit is worked, when dish temperature does not reach the settlement temperature, at least power indicating unit is in operating condition, when dish temperature reaches the settlement temperature, temperature indicating unit work, the suggestion can put oil and food, the oil smoke that produces at this moment is less, and the first temperature controller that is used for controlling the dish temperature has not jumped absolutely yet, put behind the food firepower and can continue to increase, the best cooking effect is achieved, and the user can conveniently and timely operate the cooking device.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
Fig. 1 is a schematic block diagram of a heating control circuit of an electric cooker according to an embodiment 1 of the present invention;
FIG. 2 is a schematic diagram of the circuit of FIG. 1;
fig. 3 is a schematic block diagram of a heating control circuit of an electric cooker according to an embodiment 2 of the present invention;
fig. 4 is a schematic diagram of the circuit of fig. 3.
The reference numbers are as follows:
1. the temperature control device comprises a first temperature controller, 2, a temperature indicating unit, 22, a second temperature controller, 3, a power indicating unit, 4, a heating circuit, 41, a heating control switch, 42, an electric heating unit, 5, a power supply, 6 and a fuse.
Detailed Description
In order to better understand the invention for those skilled in the art and to define the claimed scope more clearly, the invention will be described in detail below with respect to certain specific embodiments of the invention. It should be noted that the following description is only a few examples of the present invention, and the specific and direct descriptions of the related structures are only for the convenience of understanding the present invention, and the specific features do not naturally and directly limit the scope of the present invention. Conventional alternatives and substitutions made by those skilled in the art in light of the teachings of the present disclosure should be considered as within the scope of the present disclosure.
The invention will be further explained with reference to the drawings and the specific embodiments.
Example 1
As shown in fig. 1 and 2, the present invention provides a heating control circuit of an electric cooking device, comprising a first temperature controller 1, an indicating unit, and a plurality of heating circuits 4, wherein the heating circuits 4 comprise a heating control switch 41 and an electric heating unit 42 connected in series, a first end of the heating control switch 41 is electrically connected to a first end of a power supply 5, a second end of the electric heating unit 42 is electrically connected to a second end of the power supply 5 after being connected to the first temperature controller 1, the indicating unit is disposed between the first end of the electric heating unit 42 and the second end of the power supply 5, the indicating unit comprises a temperature indicating unit 2, a power indicating unit 3 and a second temperature controller 22 in a normally open state, the temperature indicating unit 2 is connected in series to the power indicating unit 3 after being connected to the second temperature indicating unit 22 in series, a junction of the temperature indicating unit 2 and the power indicating unit 3 is connected to the electric heating unit 42, the connection part of the second temperature controller 22 and the power indication unit 3 is connected with the second end part of the power supply 5.
In this embodiment, the first temperature controller 1 and the second temperature controller 22 are fixed temperature controllers.
Preferably, the temperature indicating unit 2 includes a first indicator lamp L1, and the power indicating unit 3 includes a second indicator lamp L2.
Specifically, when the anode of the first indicator light L1 is connected in series with the second temperature controller 22, the power indicator unit 3 includes a first voltage divider connected in series with the anode of the second indicator light L2, the cathode of the second indicator light L2 is connected in series with the cathode of the first indicator light L1, and the second end of the first voltage divider is electrically connected to the second end of the second temperature controller 22.
In this embodiment, the first voltage divider is a first diode D1 or a first resistor R1. The first voltage dividing element shares the voltage of the power indicating unit 3, so that when the first indicator light L1 is connected in series with the second temperature controller 22, when the second temperature controller 22 detects that the temperature is reached and the temperature is closed, the current passes through the first indicator light L1 and is lightened, the current does not pass through the second indicator light L2 and is extinguished, the simultaneous lightening is avoided to reduce the power consumption of the indicating unit, and the use experience can be improved.
In this embodiment, the first indicator light L1 and the second indicator light L2 constitute a two-color indicator light, and according to the conventional arrangement, the first indicator light L1 emits red light, and the second indicator light L2 emits green light, and the color and the state of the light emitted by the indicator lights can be adjusted as required.
Specifically, at least two heating circuits 4 are connected in parallel, and a one-way conduction element is respectively disposed between a first end of the first indicator light L1 and a second end of each heating control switch 41. Through the one-way conduction function of the one-way conduction element, when any one path of heating circuit 4 is conducted, the indicating unit can work, and along with the increase of the number of the heating circuits 4, the one-way conduction element is correspondingly increased.
In this embodiment, the one-way conduction element is a second diode (D2, D3), a cathode of the first indicator light L1 is electrically connected to an anode of the second diode, and cathodes of the second diodes are electrically connected to the second end of the heating control switch 41, respectively. Specifically, first end portions of the plurality of heating control switches 41 are connected to form a push button switch.
In this embodiment, two heating circuits 4 are connected in parallel, the electric heating unit 42 includes heating pipes, one of the heating pipes in one heating circuit 4 is 220V/600W, the other heating pipe in the other heating circuit 4 is 220V/900W, both the two heating pipes are connected to the first temperature controller 1, and at this time, the push button switch has four gears, i.e., a closing gear, a 1 gear, a 2 gear, and a 3 gear. The number of the heating circuits 4 can be set according to actual needs.
Specifically, a fuse 6 is provided between a first end of the heating control switch 41 and a first end of the power supply 5.
Specifically, when the second end of the temperature indicating unit 2 is connected to the second temperature controller 22 in series, a third resistor R3 is disposed between the second end of the power indicating unit 3 and the second end of the power supply 5, and the second temperature controller 22 is connected to the second end of the power indicating unit 3. Through setting up third resistance R3, be convenient for share the voltage on the pilot lamp, reduce the power consumption on the pilot lamp, can select the resistance value of third resistance R3 according to actual need.
In this embodiment, a third resistor R3 is disposed at a connection point between the second thermostat 22 and the first diode D1 or the first resistor R1.
When the push button switch is in a 1-gear position, the heating circuit 4 starts to work, the 220V/600W heating tube is connected into the circuit to work, no current passes through the second diode D2 connected with the first end part of the 220V/900W heating tube, the second diode D3 connected with the first end part of the 220V/600W heating tube is connected, when the temperature of the heating tube does not reach a set temperature, the second temperature controller 22 is disconnected, the power supply indicating unit 3 is connected, and the second indicating lamp L2 emits green light to prompt the heating tube to work normally; when the temperature of the heating pipe reaches the set temperature, the second temperature controller 22 works, the second indicator light L2 is turned off, the first indicator light L1 emits red light to prompt that the oil temperature is reached, oil and food can be put into the oil, and when the temperature further rises to the limit value, the first temperature controller 1 is turned off.
When the push button switch is in a 2-gear state, the 220V/900W heating tube is connected into the circuit to work, no current passes through the second diode D3 connected with the first end of the 220V/600W heating tube, the second diode D2 connected with the first end of the 220V/900W heating tube is connected, when the temperature of the heating tube does not reach the set temperature, the second temperature controller 22 is disconnected, the power supply indicating unit 3 is connected, and the second indicating lamp L2 emits green light to prompt the heating tube to work normally; when the temperature of the heating pipe reaches the set temperature, the second temperature controller 22 works, the second indicator light L2 is turned off, the first indicator light L1 emits red light to prompt that the oil temperature is reached, oil and food can be put into the heating pipe, and when the temperature is further increased to the limit value, the first temperature controller 1 is turned off.
When the push button switch is in a 3-gear state, the 220V/600W heating pipe and the 220V/900W heating pipe are simultaneously connected into a circuit to work, the two second diodes D2 and D3 are both connected, when the temperature of the heating pipe does not reach a set temperature, the second temperature controller 22 is disconnected, the power supply indicating unit 3 is connected, and the second indicator lamp L2 emits green light to prompt the heating pipe to work normally; when the temperature of the heating pipe reaches the set temperature, the second temperature controller 22 works, the second indicator light L2 is turned off, the first indicator light L1 emits red light to prompt that the oil temperature is reached, oil and food can be put into the heating pipe, and when the temperature is further increased to the limit value, the first temperature controller 1 is turned off.
The utility model also provides a frying and roasting machine, including foretell heating control circuit, electrical heating unit 42 is used for heating the overware.
Example 2
The utility model provides another kind of heating control circuit and frying and roasting machine of electric cooking ware, with embodiment 1's difference lie in, as shown in fig. 3, 4, preferably, second temperature controller 22 connects in parallel at 3 both ends of power indication unit, temperature indication unit 2, the first end junction of power indication unit 3 is connected with heating control switch 41, temperature indication unit 2, the second end junction of power indication unit 3 is connected with power 5's second end electricity.
The second temperature controller 22 is connected in parallel at two ends of the power supply indicating unit 3, so that when the temperature of the heating pipe does not reach the set temperature, the second temperature controller 22 is switched off, and the first indicator light L1 and the second indicator light L2 are simultaneously lighted and then emit mixed colors; when the second thermostat 22 detects that the temperature is reached and the second thermostat is closed, the second indicator light L2 is turned off by the short circuit of the second thermostat 22, and the first indicator light L1 is kept on to indicate the tray temperature.
In this embodiment, the positive electrode of the first indicator light L1 is electrically connected to the positive electrode of the second indicator light L2.
Specifically, when the second indicator light L2 is connected in parallel with the second temperature controller 22, the indicating unit includes a second voltage dividing element connected in series between the first indicator light L1 and the second indicator light L2, a negative electrode of the first indicator light L1, the second voltage dividing element, and a negative electrode of the second indicator light L2 are connected in series in sequence to form a loop, and the second voltage dividing element is electrically connected to the second end of the power supply 5.
In this embodiment, the second voltage dividing element includes a first resistor R1 and a second resistor R2 connected in series, and a connection point of the first resistor R1 and the second resistor R2 is electrically connected to the second end of the power supply 5.
The anode of the first indicator light L1 is electrically connected to the cathodes of the second diodes (D2, D3), and the anodes of the second diodes are electrically connected to the second end of the heating control switch 41, respectively.
It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (10)
1. A heating control circuit of an electric cooker is characterized in that: the temperature indicating device comprises a first temperature controller (1), an indicating unit and a plurality of heating circuits (4), wherein each heating circuit (4) comprises a heating control switch (41) and an electric heating unit (42) which are connected in series, the first end of each heating control switch (41) is electrically connected with the first end of a power supply (5), the second end of each electric heating unit (42) is electrically connected with the second end of the power supply (5) after being connected with the first temperature controller (1), the indicating unit is arranged between the first end of each electric heating unit (42) and the second end of the power supply (5), and comprises a temperature indicating unit (2), a power supply indicating unit (3) and a second temperature controller (22) which is in a normally open state;
the temperature indicating unit (2) is connected with a second temperature controller (22) in series and then connected with the power indicating unit (3) in series, the joint of the temperature indicating unit (2) and the power indicating unit (3) is connected with the electric heating unit (42), and the joint of the second temperature controller (22) and the power indicating unit (3) is connected with the second end of the power supply (5);
or the second temperature controller (22) is connected in parallel at two ends of the power supply indicating unit (3), the temperature indicating unit (2) is connected in parallel at two ends of the power supply indicating unit (3), the first end connection part of the temperature indicating unit (2) and the power supply indicating unit (3) is connected with the heating control switch (41), and the second end connection part of the temperature indicating unit (2) and the power supply indicating unit (3) is electrically connected with the second end part of the power supply (5).
2. The heating control circuit of the electric cooker as claimed in claim 1, wherein: the temperature indicating unit (2) comprises a first indicating lamp, and the power indicating unit (3) comprises a second indicating lamp.
3. The heating control circuit of the electric cooker as claimed in claim 2, wherein: when the anode of the first indicator light is connected with the second temperature controller (22) in series, the power supply indicating unit (3) comprises a first voltage dividing element connected with the anode of the second indicator light in series, the cathode of the second indicator light is connected with the cathode of the first indicator light in series, and the second end part of the first voltage dividing element is electrically connected with the second end part of the second temperature controller (22);
when the second indicator light is connected with the second temperature controller (22) in parallel, the indicating unit comprises a second voltage dividing element connected between the first indicator light and the second indicator light in series, the negative electrode of the first indicator light, the second voltage dividing element and the negative electrode of the second indicator light are connected in series in sequence to form a loop, and the second voltage dividing element is electrically connected with the second end of the power supply (5).
4. A heating control circuit of an electric cooker as claimed in claim 3, wherein: the first voltage division element is a first diode or a first resistor;
or the second voltage division element comprises a first resistor and a second resistor which are connected in series, and the joint of the first resistor and the second resistor is electrically connected with the second end part of the power supply (5).
5. The heating control circuit of the electric cooker as claimed in claim 2, wherein: at least two heating circuits (4) are connected in parallel, and one-way conduction elements are respectively arranged between the first end of the first indicator lamp and the second end of each heating control switch (41).
6. The heating control circuit of the electric cooker as claimed in claim 5, wherein: the unidirectional conducting element is a second diode.
7. A heating control circuit of an electric cooker as claimed in any one of claims 1 to 6, wherein: when the second end of the temperature indicating unit (2) is connected in series with the second temperature controller (22), a third resistor is arranged between the joint of the second temperature controller (22) and the second end of the power indicating unit (3) and the second end of the power supply (5).
8. A heating control circuit of an electric cooker as claimed in any one of claims 2 to 6, wherein: the first indicator light and the second indicator light form a double-color indicator light.
9. A heating control circuit of an electric cooker as claimed in any one of claims 1 to 6, wherein: a fuse (6) is arranged between the first end part of the heating control switch (41) and the first end part of the power supply (5).
10. A frying and baking machine is characterized in that: comprising a heating control circuit according to any of claims 1-9, the electric heating unit (42) being adapted to heat a baking tray.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220895704.XU CN217218797U (en) | 2022-04-18 | 2022-04-18 | Heating control circuit of electric cooking device and frying and baking machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220895704.XU CN217218797U (en) | 2022-04-18 | 2022-04-18 | Heating control circuit of electric cooking device and frying and baking machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217218797U true CN217218797U (en) | 2022-08-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220895704.XU Active CN217218797U (en) | 2022-04-18 | 2022-04-18 | Heating control circuit of electric cooking device and frying and baking machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217218797U (en) |
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2022
- 2022-04-18 CN CN202220895704.XU patent/CN217218797U/en active Active
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