CN211630440U - Cooking utensil's pilot lamp control circuit and cooking utensil - Google Patents
Cooking utensil's pilot lamp control circuit and cooking utensil Download PDFInfo
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- CN211630440U CN211630440U CN202020274654.4U CN202020274654U CN211630440U CN 211630440 U CN211630440 U CN 211630440U CN 202020274654 U CN202020274654 U CN 202020274654U CN 211630440 U CN211630440 U CN 211630440U
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- 238000010411 cooking Methods 0.000 title claims abstract description 68
- 238000010438 heat treatment Methods 0.000 claims abstract description 75
- 229910052754 neon Inorganic materials 0.000 description 13
- GKAOGPIIYCISHV-UHFFFAOYSA-N neon atom Chemical compound [Ne] GKAOGPIIYCISHV-UHFFFAOYSA-N 0.000 description 13
- 238000010586 diagram Methods 0.000 description 8
- 230000000670 limiting effect Effects 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 239000003086 colorant Substances 0.000 description 2
- 230000000007 visual effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
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Abstract
The utility model discloses a cooking utensil's pilot lamp control circuit and cooking utensil, cooking utensil include the culinary art subassembly, and the culinary art subassembly is equipped with heating device, and pilot lamp control circuit includes: a switch and a common two-color lamp for indicating the working state of the cooking appliance; the first end and the second end of the heating device are both communicated with the shared double-color lamp, the first end of the heating device is also communicated with a live wire L of an external power supply, and the second end of the heating device is also connected with a zero line N of the external power supply after being connected with the change-over switch in series; one end of the change-over switch, which is communicated with the zero line N, is also communicated with the shared double-color lamp; when the external power supply is switched on and the change-over switch is in an off state, the shared double-color lamp is in a first color; when the external power supply is switched on and the switch is in a closed state, the shared bicolor lamp is in a second color. The utility model discloses a cooking utensil's pilot lamp control circuit and cooking utensil can realize that a pilot lamp shows the function of heating and not heating two kinds of operating condition.
Description
Technical Field
The utility model relates to a kitchen appliances field, more specifically relates to a cooking utensil's pilot lamp control circuit and cooking utensil.
Background
The existing indicating lamp of the cooking appliance (such as an electric chafing dish) needs to display the heating state and the non-heating state of the cooking appliance, and the existing indicating lamp of the cooking appliance adopts two independent neon lamps for displaying: one neon lamp represents heating and the other neon lamp represents energizing. The adoption of two separate neon lamps to indicate the heated and unheated state of the cooking appliance has the corresponding drawbacks: 1. the wire arrangement is complex; 2. two indicator lights and wire components matched with the indicator lights exist, and a space for reducing the matching exists; 3. the structure needs to set up two lamp shades, inconvenient equipment and influence the outward appearance.
SUMMERY OF THE UTILITY MODEL
In a first aspect, an embodiment of the present invention provides an indicator lamp control circuit of a cooking appliance, the cooking appliance includes a cooking assembly, the cooking assembly includes a heating device having a first end and a second end, the indicator lamp control circuit includes: a switch and a common bicolor lamp for indicating the working state of the cooking appliance;
the first end and the second end of the heating device are both communicated with the common double-color lamp, the first end of the heating device is also communicated with a live wire L of an external power supply, and the second end of the heating device is also connected with a zero line N of the external power supply after being connected with the change-over switch in series; one end of the change-over switch, which is communicated with the zero line N, is also communicated with the shared double-color lamp;
when the external power supply is switched on and the change-over switch is in an off state, the common bicolor lamp is in a first color, the first color is used for indicating that the cooking appliance is in an electrified state, and the heating device is not heated; when the external power supply is switched on and the change-over switch is in a closed state, the common bicolor lamp is in a second color, and the second color is used for indicating that the cooking appliance is in a heating state and the heating device is heating.
Optionally, the indicator light control circuit further includes: a first rectification circuit and a second rectification circuit, wherein:
the first rectifying circuit is connected between the first end of the heating device and the shared double-color lamp in series, and the second rectifying circuit is connected between the second end of the heating device and the shared double-color lamp in series.
Optionally, the first rectification circuit includes: one end of the first resistor is communicated with the first end of the heating device, the other end of the first resistor is connected with the anode of the first diode in series, and the cathode of the first diode is communicated with the common bicolor lamp;
the second rectification circuit includes: the anode of the second diode is communicated with the second end of the heating device, the cathode of the second diode is connected with one end of the second resistor in series, and the other end of the second resistor is communicated with the common bicolor lamp.
Optionally, a value range of the first resistor is 10 to 20K Ω, and a value range of the second resistor is 10 to 20K Ω.
Optionally, the switch is a temperature controller.
Optionally, the change-over switch is a single-pole single-throw switch.
Optionally, the common double-color lamp is a red-green double-color lamp, and when the external power supply is switched on and the switch is in an off state, the common double-color lamp is green; when the external power supply is switched on and the change-over switch is in a closed state, the shared bicolor lamp is red.
Optionally, the common bicolor light is a red-green light emitting diode.
Optionally, the indicator light control circuit further includes: and the thermal fuse link is used for overheat protection and is connected between the first end of the heating device and a live wire L of an external power supply in series.
In a second aspect, embodiments of the present invention provide a cooking appliance, the cooking appliance includes a cooking assembly, the cooking assembly includes a heating device having a first end and a second end, and the cooking appliance further includes an indicator light control circuit of the cooking appliance according to any embodiment of the first aspect.
The utility model discloses at least one embodiment provides a cooking utensil's pilot lamp control circuit and cooking utensil compares with prior art, has following beneficial effect: the common double-color lamp is used for replacing two white neon lamps in the existing scheme, so that the functions of displaying the heating working state and the non-heating working state by one indicator lamp are realized, namely, the double-color display function is realized by replacing two neon lamps by one indicator lamp, and firstly, the circuit and the wire arranging mode can be simplified; secondly, a neon lamp and a wiring component can be eliminated, so that the matching space of the indicator lamp is reduced; thirdly, only one lampshade structure is needed, and the appearance is simple and large.
The utility model discloses in some implementation modes of embodiment, can also reach following effect:
1. a rectification circuit is respectively added on the wire harnesses corresponding to two pins of the shared double-color lamp to replace a rectification control part to realize the rectification function, so that the rectification control part can be prevented from being added, and the production and manufacturing cost is reduced.
2. The rectifying circuit can be composed of a resistor and a diode, and the resistor is used for adjusting the brightness of the shared double-color lamp; the diode is used for limiting current, and the current limiting effect of the diode ensures that the shared bicolor lamp works normally under the condition that the cooking appliance is electrified.
3. The shared double-color lamp can be a red-green double-color lamp or a red-green light-emitting diode, two working states of heating and non-heating of the cooking appliance are respectively indicated by red and green colors, and the visual effect of a user is met while one indicating lamp replaces two neon lamps to achieve a double-color display effect.
4. A thermal fuse is connected in series between the first end of the heating device and the live wire L of the external power supply, and the circuit can be cut off when the heating device is overheated, so that the safety of the cooking appliance is protected.
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by the practice of the invention. The objectives and other advantages of the invention may be realized and attained by the structure particularly pointed out in the written description and drawings.
Drawings
The accompanying drawings are included to provide a further understanding of the embodiments of the present invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the embodiments of the invention and not to limit the embodiments of the invention.
Fig. 1 is a schematic structural diagram of an indicator lamp control circuit of a cooking appliance according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of an indicator lamp control circuit of a cooking appliance according to a second embodiment of the present invention;
fig. 3 is a schematic diagram of a green circuit of a common dual-color lamp according to an embodiment of the present invention;
fig. 4 is a schematic circuit diagram of a shared two-color lamp provided by an embodiment of the present invention in red.
Description of reference numerals:
1-a diverter switch; 2-shared two-color lamp; 3-a heating device; 4-a first rectifying circuit; 5-a second rectifying circuit.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, embodiments of the present invention will be described in detail below with reference to the accompanying drawings. It should be noted that the embodiments and features of the embodiments in the present application may be arbitrarily combined with each other without conflict.
The utility model provides a cooking utensil's pilot lamp control circuit for instruct cooking utensil's operating condition. The cooking appliance comprises a cooking assembly comprising a heating device provided with a first end and a second end, for example the cooking assembly may comprise a pot body, the bottom of which is provided with a heating tube having a first end and a second end. Cooking utensil can also include pilot lamp control circuit, and is concrete, and fig. 1 is the utility model discloses cooking utensil's pilot lamp control circuit's that embodiment one provides structural schematic diagram, as shown in fig. 1, pilot lamp control circuit can include: a switch 1 and a common two-color lamp 2 for indicating the working state of the cooking appliance.
The first end and the second end of the heating device 3 are both communicated with the common bicolor lamp 2, the first end of the heating device 3 is also communicated with a live wire L of an external power supply, and the second end of the heating device 3 is also connected with a zero line N of the external power supply after being connected with the change-over switch 1 in series; and one end of the change-over switch 1 communicated with the zero line N is also communicated with the common bicolor lamp 2.
When the external power supply is switched on and the change-over switch 1 is in an off state, the common bicolor lamp 2 is in a first color, the first color is used for indicating that the cooking appliance is in an electrified state, and the heating device 3 is not heated; when the external power source is switched on and the switch 1 is in the closed state, the common bi-color lamp is in the second color, and the second color is used for indicating that the cooking appliance is in the heating state and the heating device 3 is heating.
In the embodiment, a common double-color lamp 2 is used for replacing two white neon lamps in the existing scheme, so that the function of displaying two working states of heating and non-heating by one indicator lamp is realized.
Specifically, the shared two-color lamp 2 may be composed of chips of two different illuminants, which are respectively marked as a first illuminant and a second illuminant. When the external power is switched on, the switch 1 is in an off state, and two currents are formed: the first path of current is a live wire L- > shared double-color lamp- > live wire N; the second path of current is live line L- > heating device- > shared double-color lamp- > live line N. At this time, the first and second light emitters of the common bi-color lamp 2 emit light simultaneously, and the common bi-color lamp 2 is in the first color to indicate that the cooking appliance is in the power-on state, and the heating device 3 is not heated.
When the external power supply is switched on, the switch 1 is in a closed state, and two currents are formed: the first path of current is a live wire L- > shared double-color lamp- > live wire N; the second path of current is live line L- > heating device- > switch- > live line N. At this time, only one of the first and second light emitters of the common dual-color lamp 2 emits light, that is, the first light emitter or the second light emitter emits light, and the common dual-color lamp 2 is in the second color to indicate that the cooking appliance is in a heating state and the heating device 3 is heating.
The embodiment of the utility model provides an indicating lamp control circuit of cooking utensil, through using a sharing double-colored lamp to replace two white neon lamps in the existing scheme, realize that an indicating lamp shows the function of heating and not heating two kinds of operating condition, use an indicating lamp to replace two neon lamps to realize the double-colored display effect, firstly can simplify circuit and reason line mode; secondly, a neon lamp and a wiring component can be eliminated, so that the matching space of the indicator lamp is reduced; thirdly, only one lampshade structure is needed, and the appearance is simple and large.
Fig. 2 is a schematic structural diagram of an indicator light control circuit of a cooking appliance provided by the second embodiment of the present invention, as shown in fig. 2, on the basis of the embodiment shown in fig. 1, the indicator light control circuit may further include: a first rectification circuit 4 and a second rectification circuit 5, wherein:
the first rectifying circuit 4 is connected in series between the first end of the heating device and the common bicolor lamp L, and the second rectifying circuit 5 is connected in series between the second end of the heating device and the common bicolor lamp L.
As shown in fig. 2, the heating device may be a heating pipe, and the switch may be a temperature controller. Alternatively, the switch may be a single pole, single throw switch. The realization principle of the heating pipe, the temperature controller and the single-pole single-throw switch is the same as that of the prior art, and the embodiment is not limited and described herein.
In this embodiment, in order to avoid adding the rectification control part, a rectification circuit is respectively added to the wire harnesses corresponding to the two pins of the common two-color lamp L, so that the rectification control part (for example, an electric control board for rectification) is replaced, the cost is reduced, and the rectification function is realized.
Specifically, as shown in fig. 2, the first rectification circuit 4 may include: a first resistor R1 and a first diode D1, wherein one end of the first resistor R1 is communicated with the first end of the heating device, the other end of the first resistor R1 is connected with the anode of a first diode D1 in series, and the cathode of a first diode D1 is communicated with the common bicolor lamp;
the second rectification circuit 5 includes: the anode of the second diode D2 is communicated with the second end of the heating device, the cathode of the second diode D2 is connected with one end of the second resistor R2 in series, and the other end of the second resistor R2 is communicated with the shared double-color lamp.
In this embodiment, the rectifying circuit may be composed of a resistor and a diode, where the resistor is used to adjust the brightness of the shared two-color lamp; the diode is used for limiting current, the diode is towards the direction of the shared double-color lamp in the negative direction, and the shared double-color lamp can normally work under the condition that the cooking appliance is electrified under the current limiting effect of the diode.
The resistance value of the resistor can be adjusted according to the required brightness of the shared double-color lamp, wherein the value of the resistor can be 10-20K omega, namely the value range of the first resistor is 10-20K omega, and the value range of the second resistor is 10-20K omega.
Optionally, since the resistors are connected in series with the common bi-color lamp, the present embodiment may also adjust the brightness of the common bi-color lamp by adjusting the number of the resistors connected in series with the common bi-color lamp.
The embodiment of the utility model provides a cooking utensil's pilot lamp control circuit increases a rectifier circuit respectively on the pencil that two pins of double-colored lamp in sharing correspond, replaces the rectification control part to realize the rectification function, can avoid increasing rectification control part, reduction in production manufacturing cost.
Further, in the above embodiment, the common bi-color light may be a red-green bi-color light, and when the external power is turned on and the switch is in the off state, the common bi-color light is green; when the external power supply is switched on and the change-over switch is in a closed state, the shared double-color lamp is red.
Optionally, the shared two-color light is a red-green light emitting diode.
In this embodiment, the red-green two-color light or the red-green light emitting diode is internally composed of chips of a red light emitting body (red light tube) and a green light emitting body (green light tube). Because the resistance of the green luminous body is smaller than that of the red luminous body, the luminous brightness of the green luminous body is larger than that of the red luminous body, and the luminous brightness of the green luminous body can cover the luminous brightness of the red luminous body. Thus, when the red and green emitters are simultaneously illuminated, only the green emitter is illuminated as seen by the naked eye.
Specifically, fig. 3 is the embodiment of the utility model provides a sharing double-colored lamp is green line schematic diagram, as shown in fig. 3, sharing double-colored lamp L is green principle and does: when the external power supply is switched on, the temperature controller is in an off state, the L1 line and the L2 line are both in an on state, the shared double-color lamp normally emits light, and the red light emitter and the green light emitter emit light simultaneously. Because the luminance of the green luminous body is greater than that of the red luminous body, a user can see that the color of the common double-color lamp is green by naked eyes so as to indicate that the cooking appliance is in a power-on state.
Specifically, fig. 4 is a schematic diagram of a red line of the shared two-color lamp provided by the embodiment of the present invention, as shown in fig. 4, the principle that the shared two-color lamp L is red is: when the temperature controller is in a closed state, an L3 line can be formed, and the whole L3 line is in a short-circuit state due to the fact that the temperature controller is closed, and the green light emitting body of the common double-color lamp stops working. And the L1 line is conducted, so that the red light emitting body of the shared double-color lamp works, and at the moment, the whole shared double-color lamp displays red to indicate that the cooking appliance is in a working heating state.
Wherein the ground line E of the external power supply in fig. 2-4 is grounded.
The embodiment of the utility model provides a cooking utensil's pilot lamp control circuit, on the basis of above-mentioned embodiment, the double-colored lamp of sharing can be red and green double-colored lamp or red and green emitting diode, instructs cooking utensil heating respectively and does not heat two kinds of operating condition with red and two kinds of green colours, when realizing that an pilot lamp replaces two neon lamps to realize double-colored display effect, satisfies user's visual effect.
Further, as shown in fig. 2, the indicator light control circuit may further include: and the thermal fuse link (temperature fuse) is used for overheat protection and is connected between the first end of the heating device and a live wire L of an external power supply in series.
In this embodiment, a thermal fuse is connected in series between the first end of the heating device and the live wire L of the external power source, so that the circuit can be cut off when the heating device is overheated, thereby protecting the safety of the cooking appliance.
In this embodiment, the cooking utensil can include electric chafing dish, frying and baking machine, air fryer and oven etc. as long as the device that has pilot lamp indicating function all can be suitable for, and this embodiment is no longer repeated and is limited one by one.
In the description of the present invention, it should be noted that the terms "upper", "lower", "one side", "the other side", "one end", "the other end", "side", "opposite", "four corners", "periphery", "square structure", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, which is only for convenience of describing the present invention and simplifying the description, but not for indicating or implying that the structure indicated has a specific orientation, is constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the description of the embodiments of the present invention, unless otherwise explicitly specified or limited, the terms "connected", "directly connected", "indirectly connected", "fixedly connected", "mounted", "assembled" or "connected" should be interpreted broadly, e.g. as a fixed connection, a detachable connection, or an integral connection; the terms "mounted," "connected," and "fixedly connected" can refer to either a direct connection or an indirect connection via intermediate media, and can refer to communication between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Although the embodiments of the present invention have been described above, the description is only for the convenience of understanding the present invention, and the present invention is not limited thereto. It will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (10)
1. An indicator light control circuit of a cooking appliance, the cooking appliance comprising a cooking assembly including a heating device having a first end and a second end, the indicator light control circuit comprising: a switch and a common bicolor lamp for indicating the working state of the cooking appliance;
the first end and the second end of the heating device are both communicated with the common double-color lamp, the first end of the heating device is also communicated with a live wire L of an external power supply, and the second end of the heating device is also connected with a zero line N of the external power supply after being connected with the change-over switch in series; one end of the change-over switch, which is communicated with the zero line N, is also communicated with the shared double-color lamp;
when the external power supply is switched on and the change-over switch is in an off state, the common bicolor lamp is in a first color, the first color is used for indicating that the cooking appliance is in an electrified state, and the heating device is not heated; when the external power supply is switched on and the change-over switch is in a closed state, the common bicolor lamp is in a second color, and the second color is used for indicating that the cooking appliance is in a heating state and the heating device is heating.
2. The indicator light control circuit of claim 1, further comprising: a first rectification circuit and a second rectification circuit, wherein:
the first rectifying circuit is connected between the first end of the heating device and the shared double-color lamp in series, and the second rectifying circuit is connected between the second end of the heating device and the shared double-color lamp in series.
3. The indicator light control circuit of claim 2 wherein the first rectifying circuit comprises: one end of the first resistor is communicated with the first end of the heating device, the other end of the first resistor is connected with the anode of the first diode in series, and the cathode of the first diode is communicated with the common bicolor lamp;
the second rectification circuit includes: the anode of the second diode is communicated with the second end of the heating device, the cathode of the second diode is connected with one end of the second resistor in series, and the other end of the second resistor is communicated with the common bicolor lamp.
4. The indicator lamp control circuit according to claim 3, wherein the first resistor has a value in a range of 10-20K Ω, and the second resistor has a value in a range of 10-20K Ω.
5. The indicator light control circuit of any one of claims 1-4, wherein the switch is a thermostat.
6. The indicator light control circuit of any one of claims 1-4, wherein the diverter switch is a single pole single throw switch.
7. The indicator light control circuit of any one of claims 1-4, wherein the common bi-color light is a red-green bi-color light, and the common bi-color light is green when the external power source is on and the switch is off; when the external power supply is switched on and the change-over switch is in a closed state, the shared bicolor lamp is red.
8. The indicator light control circuit of claim 7 wherein the common bi-color light is a red-green light emitting diode.
9. The indicator light control circuit of any of claims 1-4, further comprising: and the thermal fuse link is used for overheat protection and is connected between the first end of the heating device and a live wire L of an external power supply in series.
10. A cooking appliance comprising a cooking assembly including a heating device having a first end and a second end, the cooking appliance further comprising an indicator light control circuit of the cooking appliance of any of claims 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020274654.4U CN211630440U (en) | 2020-03-09 | 2020-03-09 | Cooking utensil's pilot lamp control circuit and cooking utensil |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020274654.4U CN211630440U (en) | 2020-03-09 | 2020-03-09 | Cooking utensil's pilot lamp control circuit and cooking utensil |
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| Publication Number | Publication Date |
|---|---|
| CN211630440U true CN211630440U (en) | 2020-10-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020274654.4U Active CN211630440U (en) | 2020-03-09 | 2020-03-09 | Cooking utensil's pilot lamp control circuit and cooking utensil |
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| Country | Link |
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| CN (1) | CN211630440U (en) |
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2020
- 2020-03-09 CN CN202020274654.4U patent/CN211630440U/en active Active
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