CN206563891U - Cooking utensil - Google Patents
Cooking utensil Download PDFInfo
- Publication number
- CN206563891U CN206563891U CN201720234534.XU CN201720234534U CN206563891U CN 206563891 U CN206563891 U CN 206563891U CN 201720234534 U CN201720234534 U CN 201720234534U CN 206563891 U CN206563891 U CN 206563891U
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- CN
- China
- Prior art keywords
- led
- triode
- cooking apparatus
- power supply
- chip microcomputer
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- 238000010411 cooking Methods 0.000 title claims abstract description 20
- 239000011159 matrix material Substances 0.000 claims description 18
- 230000005611 electricity Effects 0.000 description 5
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000004891 communication Methods 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
Abstract
The utility model discloses a cooking utensil. Wherein, this cooking utensil includes the LED display circuit, and this LED display circuit includes: the power supply is used for supplying power to the LED lamp; the switch device is connected between the power supply and the LED lamp and used for controlling the on-off of the power supply; and the controller is connected with the switching device and is used for controlling the on-off of the switching device. The utility model provides an among the prior art pilot lamp pass through the IO mouth power supply of singlechip, lead to the not enough technical problem of LED pilot lamp luminance.
Description
Technical field
The utility model is related to electrical equipment, in particular to a kind of cooking apparatus.
Background technology
Cooking apparatus display panel typically realizes that correspondence menu is shown using LED light, it is generally the case that LED is indicated
Lamp uses matrix form connection method, can lead to the control that too small amount of single-chip microcomputer control mouth realizes multiple LED lights, such as adopt
With 8*10 matrix connection method, it is possible to realize the independent light on and off that 80 display points are controlled with 18 single-chip I/O mouths, cost
Than relatively low.
But use single-chip I/O mouth to drive matrix L ED single I/O port driving current to be typically at most limited in 20ma, it is single
Piece machine output total current is usually no more than 150ma, thus, the effective current for giving each indicator lamp is then averaged for 20ma,
Electric current that then each lamp is obtained it is very small (assuming that 10 indicator lamps divide 20ma electric currents equally, then each indicator lamp each cycle electric conduction
Flow for 2ma, if it is considered that Time share scanning LED display modes, then each indicator lamp actual average current can be smaller), cause LED to refer to
Show that lamp brightness does not reach satisfied state.Especially present big display panel, the driving display module of this low current without
Method meets new panel design requirement, it is necessary to improve.
For I/O confession electricity of the indicator lamp in the prior art by single-chip microcomputer, cause asking for LED light luminance shortage
Topic, not yet proposes effective solution at present.
Utility model content
The utility model embodiment provides a kind of cooking apparatus, and monolithic is passed through at least to solve indicator lamp in the prior art
The I/O confessions electricity of machine, causes the technical problem of LED light luminance shortage.
According to the one side of the utility model embodiment there is provided a kind of LED display circuit, including：LED, power supply,
For being powered for LED；Switching device, is connected between power supply and LED, the break-make for controlling power supply；Controller, with opening
Close device to be connected, the break-make for controlling switch device.
Further, LED is multiple, and multiple LEDs constitute LED matrix according to matrix arrangement；Switching device includes：
Multiple first switch devices and multiple second switch devices, each first switch device are connected in LED matrix in a row
Between the first end and power supply (20) of each LED, for controlling the first end of each LED and the conducting of power supply (20) by row
And disconnection, each second switch device be connected in LED matrix the second end of each LED in a line and earth terminal it
Between, for controlling the second end of each LED and the conducting and disconnection of earth terminal by row.
Further, first switch device is the first triode, wherein, the base stage of the first triode by first resistor with
Controller is connected, and the emitter stage of the first triode is connected with power supply, the colelctor electrode of the first triode by second resistance with it is corresponding
Row in the first end of each LED be connected.
Further, second switch device is the second triode, wherein, the base stage of the second triode by 3rd resistor with
Controller is connected, and the emitter stage of the second triode is connected with earth terminal, the colelctor electrode of the second triode and each LED in corresponding row
Second end of lamp is connected.
Further, the first end of LED is anode, and the second end of LED is negative electrode.
Further, controller is single-chip microcomputer.
Further, the base stage of the first triode is connected by first resistor with the first control end of single-chip microcomputer, and the two or three
The base stage of pole pipe is connected by 3rd resistor with the second control end of single-chip microcomputer.
Further, the first control end of single-chip microcomputer and the second control end output pulse width modulated signal of single-chip microcomputer,
Pulse width modulating signal is used for the brightness for adjusting the LED.
Further, LED exports low potential, the two or three pole in the first control end of the corresponding single-chip microcomputer of the first triode
Turned in the case of the second control end output high potential for managing corresponding single-chip microcomputer.
Further, cooking apparatus is included to hold the pot cover that the pot and lid of cooked food are located in pot, LED
Display circuit is arranged in pot or on pot cover.
In the utility model embodiment, switching device is connected with controller, and the control according only to controller is turned on or closed
It is disconnected, so as to control LED opening and closing, but no longer power, powered by power supply for LED for LED, due to the electricity of power supply
Pressure can be unrestricted according to the selection of the brightness demand of LED, so as to ensure the brightness of LED, and then solves existing
There is indicator lamp in technology by the I/O confessions electricity of single-chip microcomputer, to cause LED light luminance shortage technical problem.
Brief description of the drawings
Accompanying drawing described herein is used for providing further understanding to of the present utility model, constitutes the part of the application,
Schematic description and description of the present utility model is used to explain the utility model, does not constitute to of the present utility model improper
Limit.In the accompanying drawings：
Fig. 1 is a kind of schematic diagram of optional LED display circuit according to the utility model embodiment；
Fig. 2 is a kind of circuit diagram of optional LED display circuit according to the utility model embodiment.
Wherein, above-mentioned accompanying drawing is marked including the following drawings：
10th, pot cover；20th, power supply；30th, switching device；40th, controller.
Embodiment
It should be noted that in the case where not conflicting, the feature in embodiment and embodiment in the application can phase
Mutually combination.Describe the utility model in detail below with reference to the accompanying drawings and in conjunction with the embodiments.
Fig. 1 is a kind of schematic diagram of optional LED display circuit according to the utility model embodiment.As shown in figure 1, should
LED display circuit includes：LED 10；Power supply 20, for being powered for LED；Switching device 30, is connected to power supply 20 and LED 10
Between, the break-make for controlling power supply 20；Controller 40, is connected with switching device 30, the break-make for controlling switch device 30.
Using the technical scheme of the present embodiment, switching device is connected with controller, according only to controller control conducting or
Shut-off, so as to control LED opening and closing, but no longer powers for LED, is powered by power supply for LED, due to power supply
Voltage can be unrestricted according to the selection of the brightness demand of LED, so as to ensure the brightness of LED, and then solves
Indicator lamp causes LED light luminance shortage technical problem by the I/O confessions electricity of single-chip microcomputer in the prior art.
Further, LED 10 is multiple, and multiple LEDs 10 constitute LED matrix according to matrix arrangement；Switching device
30 include：Multiple first switch devices and multiple second switch devices, each first switch device are connected to the LED matrix
In each LED 10 in a row first end and power supply 20 between, for by the of each LED 10 of row control
One end and the conducting and disconnection of the power supply 20, each second switch device are connected in the LED matrix in a line
Each LED 10 the second end and earth terminal between, for the second end by each LED 10 of row control and earth terminal
Conducting and disconnection.Such scheme provides the connected mode of LED matrix, so that the display circuit with LED matrix
Can directly it be powered by power supply.
Further, first switch device 30 is the first triode, wherein, the base stage of the first triode passes through first resistor
It is connected with controller 40, the emitter stage of the first triode is connected with power supply 20, and the colelctor electrode of the first triode passes through second resistance
It is connected with the first end of each LED 10 in corresponding row.
Specifically, as shown in Fig. 2 power supply is VCC, first switch device is Q11To Q1n, second switch pipe is Q1To QK,
LED matrix is by LE11To LEknComposition, the base stage of each first triode passes through first resistor port phase corresponding with controller
Even, because first switch pipe is triode, triode can carry out break-make according to the control of controller 40, so as to reach control
The effect that LED is lighted or closed.
Further, second switch device is the second triode, wherein, the base stage of the second triode by 3rd resistor with
Controller 40 is connected, and the emitter stage of the second triode is connected with earth terminal, and the colelctor electrode of the second triode is each with corresponding row
Second end of LED 10 is connected.Second switch pipe is also triode, triode can according to the control break-make of controller so that
Reach the effect that control LED is lighted or closed.
Further, the first end of LED 10 is anode, and the second end of LED 10 is negative electrode.There is provided LED in circuit
In connected mode.
Specifically, with reference to shown in Fig. 2, by taking LE11 as an example, LE11 anode is connected with Q11 with power supply, and negative electrode passes through Q1With
Ground connection, only in LE11Anode and power supply turn on, LE11Negative electrode and ground between turn in the case of LE11It can just be lit, Q11
LE during conducting11Anode and power supply turn on, Q1LE during conducting11Negative electrode and ground between turn on, thus, it can be known that only cloudy in LED
LED can be lit in the case that the switching tube of pole and anode is both turned on.Equally, some LED is needed by point in controller
When bright, the anode of the LED and the switching tube of negative electrode connection is controlled to be both turned on.
Further, controller 40 is single-chip microcomputer.Single-chip microcomputer has Multiple Type, and a single-chip microcomputer just has multiple ends
Mouthful, therefore, it is possible to can be realized as the control to all LED by a single-chip microcomputer.Specifically, still as shown in Fig. 2 switching tube
The port1 to port8 that connects respectively of base stage be the port for being used to connect single-chip microcomputer.
Further, the base stage of the first triode is connected by first resistor with the first control end of the single-chip microcomputer, the
The base stage of two triodes is connected by 3rd resistor with the second control end of single-chip microcomputer.By above-mentioned connected mode, single-chip microcomputer can
To control the break-make of triode by changing the base voltage of the first triode and the second triode, so as to control LED point
Bright or closing.
Further, LED 10 exports low potential, the two or three in the first control end of the corresponding single-chip microcomputer of the first triode
Turned in the case of the second control end output high potential of the corresponding single-chip microcomputer of pole pipe.Such scheme is provided in foregoing circuit
The condition of LED conductings, so as to control LED according to LED turn-on condition by single-chip microcomputer or other controllers.
Further, cooking apparatus is included to hold the pot that the pot and lid of cooked food are located in the pot
Lid, LED display circuit is arranged in the pot or on the pot cover.
Above-mentioned the utility model embodiment sequence number is for illustration only, and the quality of embodiment is not represented.
The quality of embodiment is not represented.
In above-described embodiment of the present utility model, the description to each embodiment all emphasizes particularly on different fields, in some embodiment
The part not being described in detail, may refer to the associated description of other embodiment.
In several embodiments provided herein, it should be understood that disclosed technology contents, others can be passed through
Mode is realized.Wherein, device embodiment described above is only schematical, such as division of described unit, Ke Yiwei
A kind of division of logic function, can there is other dividing mode when actually realizing, such as multiple units or component can combine or
Person is desirably integrated into another system, or some features can be ignored, or does not perform.Another, shown or discussed is mutual
Between coupling or direct-coupling or communication connection can be the INDIRECT COUPLING or communication link of unit or module by some interfaces
Connect, can be electrical or other forms.
The unit illustrated as separating component can be or may not be it is physically separate, it is aobvious as unit
The part shown can be or may not be physical location, you can with positioned at a place, or can also be distributed to multiple
On unit.Some or all of unit therein can be selected to realize the purpose of this embodiment scheme according to the actual needs.
In addition, each functional unit in the utility model each embodiment can be integrated in a processing unit,
Can be that unit is individually physically present, can also two or more units it is integrated in a unit.It is above-mentioned integrated
Unit can both be realized in the form of hardware, it would however also be possible to employ the form of SFU software functional unit is realized.
Described above is only preferred embodiment of the present utility model, it is noted that for the common skill of the art
For art personnel, on the premise of the utility model principle is not departed from, some improvements and modifications can also be made, these improve and
Retouching also should be regarded as protection domain of the present utility model.
Claims (10)
1. a kind of cooking apparatus, it is characterised in that including：LED display circuit, the LED display circuit includes：
LED (10)；
Power supply (20), for being powered for the LED (10)；
Switching device (30), is connected between the power supply (20) and the LED (10), for controlling the power supply (20)
Break-make；
Controller (40), is connected with the switching device (30), the break-make for controlling the switching device (30).
2. cooking apparatus according to claim 1, it is characterised in that
The LED (10) is multiple, and multiple LEDs (10) constitute LED matrix according to matrix arrangement；
The switching device (30) includes：Multiple first switch devices and multiple second switch devices, each first switch device
Between the first end and power supply (20) of each LED (10) being connected in the LED matrix in a row, for by row
The first end of each LED (10) of control and the conducting and disconnection of the power supply (20), each second switch device
Between second end of each LED (10) being connected in the LED matrix in a line and earth terminal, for every by row control
Second end of the individual LED (10) and the conducting and disconnection of earth terminal.
3. cooking apparatus according to claim 2, it is characterised in that the first switch device (30) is the one or three pole
Pipe, wherein, the base stage of first triode is connected by first resistor with the controller (40), first triode
Emitter stage is connected with the power supply (20), and the colelctor electrode of first triode passes through second resistance and each institute in corresponding row
The first end for stating LED (10) is connected.
4. cooking apparatus according to claim 3, it is characterised in that the second switch device is the second triode, its
In, the base stage of second triode is connected by 3rd resistor with the controller (40), the transmitting of second triode
Pole is connected with earth terminal, and the colelctor electrode of second triode is connected with the second end of each LED (10) in corresponding row.
5. cooking apparatus according to claim 4, it is characterised in that the first end of the LED (10) is anode, described
Second end of LED (10) is negative electrode.
6. cooking apparatus according to claim 4, it is characterised in that the controller (40) is single-chip microcomputer.
7. cooking apparatus according to claim 6, it is characterised in that the base stage of first triode passes through described first
Resistance is connected with the first control end of the single-chip microcomputer, and the base stage of second triode passes through the 3rd resistor and the list
Second control end of piece machine is connected.
8. cooking apparatus according to claim 7, it is characterised in that the first control end and the monolithic of the single-chip microcomputer
Second control end output pulse width modulated signal of machine, the pulse width modulating signal is used to adjust the LED (10)
Brightness.
9. cooking apparatus according to claim 8, it is characterised in that the LED (10) is in first triode pair
The the first control end output low potential for the single-chip microcomputer answered, the second control end output of the corresponding single-chip microcomputer of second triode is high
Turned in the case of current potential.
10. cooking apparatus according to claim 1, it is characterised in that the cooking apparatus includes cooked to hold
The pot and lid of food are located at the pot cover in the pot, and the LED display circuit is arranged in the pot or the pot
Cover.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720234534.XU CN206563891U (en) | 2017-03-10 | 2017-03-10 | Cooking utensil |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720234534.XU CN206563891U (en) | 2017-03-10 | 2017-03-10 | Cooking utensil |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206563891U true CN206563891U (en) | 2017-10-17 |
Family
ID=60032142
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720234534.XU Expired - Fee Related CN206563891U (en) | 2017-03-10 | 2017-03-10 | Cooking utensil |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206563891U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108735137A (en) * | 2017-06-07 | 2018-11-02 | 浙江苏泊尔家电制造有限公司 | Circuit system and cooking apparatus for household electrical appliances display screen |
-
2017
- 2017-03-10 CN CN201720234534.XU patent/CN206563891U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108735137A (en) * | 2017-06-07 | 2018-11-02 | 浙江苏泊尔家电制造有限公司 | Circuit system and cooking apparatus for household electrical appliances display screen |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171017 |