CN207096409U - The detection means of electric cooking pot and wherein battery electric quantity - Google Patents
The detection means of electric cooking pot and wherein battery electric quantity Download PDFInfo
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- CN207096409U CN207096409U CN201720558435.7U CN201720558435U CN207096409U CN 207096409 U CN207096409 U CN 207096409U CN 201720558435 U CN201720558435 U CN 201720558435U CN 207096409 U CN207096409 U CN 207096409U
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Abstract
The utility model discloses a kind of electric cooking pot and the wherein detection means of battery electric quantity, wherein, the detection means includes：Reference voltage generation unit, reference voltage generation unit are connected with the voltage output end of battery to generate reference voltage according to the voltage of battery；AD sampling units, AD sampling units are connected with reference voltage generation unit, and AD sampling units are sampled based on reference voltage to the voltage of reference power supply to obtain voltage AD values；Processing unit, processing unit are used for the voltage that battery is obtained according to voltage AD values, and the information about power of battery is obtained according to the voltage of battery.According to detection means of the present utility model, the information about power of battery can be easily and effectively obtained.
Description
Technical field
It the utility model is related to household electrical appliance technical field, the detection dress of battery electric quantity in more particularly to a kind of electric cooking pot
Put and a kind of electric cooking pot.
Background technology
At present, some electricity culinary arts with LED (Light Emitting Diode, light emitting diode) display screen are being used
During device such as intelligent electric cooker, some critical datas such as clock information and work state information can be stored by memory,
So that user checks.Electric cooking pot after a loss of power, can realize clock timing or storage to critical data by increasing battery.
Based on the consideration in cost, such battery may generally be non-rechargeable battery.But electric cooking pot can not obtain the electricity of battery
Information, the information about power of battery can not be shown so that user is after using the battery some time, it is not known that battery
Information about power, and in electric quantity consumption to the critical value of battery, it is impossible to remind user to change battery in time, influenceing user makes
With.
Utility model content
The utility model is intended to one of technical problem at least solving in above-mentioned technology to a certain extent.
Therefore, detection means of the purpose of the present utility model in the battery electric quantity in a kind of electric cooking pot is proposed, its
The information about power of battery can easily and effectively be obtained.
Second purpose of the present utility model is to propose a kind of electric cooking pot.
To reach above-mentioned purpose, the utility model proposes a kind of detection means of battery electric quantity in electric cooking pot, including
Reference voltage generation unit, the reference voltage generation unit are connected with according to the battery with the voltage output end of the battery
Voltage generation reference voltage；AD (Analog Digital, simulation numeral) sampling unit, the AD sampling units and the ginseng
Examine voltage generating unit to be connected, the AD sampling units are sampled to obtain the voltage of reference power supply based on the reference voltage
Obtain voltage AD values；Processing unit, the processing unit are connected with the AD sampling units, and the processing unit is used for according to
Voltage AD values obtain the voltage of the battery, and the information about power of the battery is obtained according to the voltage of the battery.
According to the detection means of battery electric quantity in electric cooking pot of the present utility model, generated by reference to voltage generating unit
Reference voltage, the voltage of reference voltage is sampled based on reference voltage to obtain voltage AD values by AD sampling units, with
And the voltage of battery is obtained according to voltage AD values by processing unit, and the information about power of battery is obtained according to the voltage of battery.
The detection means, the information about power of battery can be easily and effectively obtained according to the voltage of battery, consequently facilitating user obtains in time
Know the information about power of battery and change battery in time, to ensure the normal use of electric cooking pot, substantially increase user experience.
In addition, according to the utility model proposes electric cooking pot in battery electric quantity detection means can also have it is following attached
The technical characteristic added：
Specifically, the detection means of battery electric quantity also includes in described electric cooking pot：Display unit, the display unit
It is connected with the processing unit, the display unit is carried out under the control of the processing unit to the information about power of the battery
Display.
Specifically, the reference voltage generation unit includes：First diode, the anode of first diode with it is described
The voltage output end of battery is connected, the reference voltage input terminal phase of the negative electrode of first diode and the AD sampling units
Even.
Specifically, the reference voltage for the battery voltage and first diode conduction voltage drop difference.
Specifically, the detection means of battery electric quantity also includes in described electric cooking pot：Memory cell, the memory cell
It is connected with the processing unit, the memory cell is stored between the voltage of the battery and the information about power of the battery
Corresponding relation, so that the processing unit is believed according to the electricity of the voltage of the battery and the corresponding relation acquisition battery
Breath.
Specifically, the AD sampling units, the processing unit and the memory cell are integrally disposed in the electricity culinary art
In the main control chip of device.
Specifically, the electric cooking pot provides externally fed power supply when upper electric, and the externally fed power supply passes through second
Diode is connected to the power end of the main control chip, to be powered to the main control chip；Or the voltage output end of the battery
The power end of the main control chip is connected to by the 3rd diode, the battery is the master in the electric cooking pot power-off
Control chip power supply.
To reach above-mentioned purpose, the utility model also proposed a kind of electric cooking pot, and the electric cooking pot includes set forth above
Electric cooking pot in battery electric quantity detection means.
According to the electric cooking pot of the utility model embodiment, the information about power of battery can be easily and effectively obtained, so as to
It is easy to user to know the information about power of battery in time and changes battery in time, to ensure normal use, substantially increases user's body
Degree of testing.
Brief description of the drawings
Fig. 1 is the block diagram of the detection means of battery electric quantity in the electric cooking pot according to the utility model embodiment；
Fig. 2 is the square frame signal of the detection means of battery electric quantity in the electric cooking pot according to the utility model one embodiment
Figure；
Fig. 3 is the schematic diagram of the detection means of battery electric quantity in the electric cooking pot according to the utility model one embodiment；
Fig. 4 is the structural representation according to the main control chip of the electric cooking pot of utility model one embodiment；
Fig. 5 is the block diagram according to the electric cooking pot of the utility model embodiment；And
Fig. 6 is the flow chart of the detection method of battery electric quantity in the electric cooking pot according to the utility model embodiment.
Embodiment
Embodiment of the present utility model is described below in detail, the example of the embodiment is shown in the drawings, wherein from beginning
Same or similar element is represented to same or similar label eventually or there is the element of same or like function.Below by ginseng
The embodiment for examining accompanying drawing description is exemplary, it is intended to for explaining the utility model, and it is not intended that to the utility model
Limitation.
The electric cooking pot of the utility model embodiment and the wherein detection means of battery electric quantity described below in conjunction with the accompanying drawings
And method.
Fig. 1 is the block diagram of the detection means of battery electric quantity in the electric cooking pot according to the utility model embodiment.
It should be noted that the battery of the utility model embodiment may be provided in the battery case of electric cooking pot.
As shown in figure 1, in the electric cooking pot of the utility model embodiment battery electric quantity detection means, it may include with reference to electricity
Press generation unit 10, AD sampling units 20 and processing unit 30.
Wherein, reference voltage generation unit 10 is connected with the voltage output end of battery is referred to being generated according to the voltage of battery
Voltage.AD sampling units 20 are connected with reference voltage generation unit 10, and AD sampling units 20 are based on reference voltage to reference power supply
Voltage sampled to obtain voltage AD values.Processing unit 30 is connected with AD sampling units 20, and processing unit 30 is used for basis
Voltage AD values obtain the voltage of battery, and the information about power of battery is obtained according to the voltage of battery.
In one embodiment of the present utility model, as shown in Fig. 2 the detection means of battery electric quantity may be used also in electric cooking pot
Including display unit 40 such as LED display.Display unit 40 is connected with processing unit 30, and display unit 40 is in processing unit 30
The information about power of battery is shown under control.
Specifically, display unit 40 may also display some information such as clock information and work state information of electric cooking pot
Deng.When display unit 40 is shown to the information about power of battery, user can be by checking that display unit 40 obtains battery
Information about power, so that in the electric quantity consumption of battery to critical value, user can open battery case and change battery in time.In this reality
With in new other embodiment, in electric quantity consumption to the critical value of battery, it can be shown by display module 40 and change battery
Prompt message, or the voice prompt for changing battery is sent by voice device, so that user according to prompt message or can carry
Show that sound opens battery case and changes battery in time.
In one embodiment of the present utility model, as shown in Fig. 2 the detection means of battery electric quantity may be used also in electric cooking pot
Including memory cell 50.Memory cell 50 is connected with processing unit 30, and memory cell 50 is stored with the voltage and battery of battery
Corresponding relation between information about power, so that processing unit 30 is believed according to the electricity of the voltage and corresponding relation of battery acquisition battery
Breath.
Specifically, the corresponding pass between the voltage of battery and the information about power of battery can be obtained by multiple simulated experiment
System, and the corresponding relation is stored in memory cell 50., can be according to battery when obtaining the voltage of battery by processing unit 30
Voltage and corresponding relation obtain the information about power of battery, and show by display unit 40 information about power of battery.
The original of the detection means of battery electric quantity in the electric cooking pot of the utility model embodiment is illustrated with reference to Fig. 3
Reason and structure.
As shown in figure 3, reference voltage generation unit 10 may include the first diode D1.First diode D1 anode and electricity
Pond Battery voltage output end is connected, the first diode D1 negative electrode and the reference voltage input terminal of AD sampling units 20
AVREF is connected.Wherein, the first diode D1 conduction voltage drop can be 0.2V.
In one embodiment of the present utility model, reference voltage can be battery Battery voltage and the first diode
The difference of D1 conduction voltage drop.Wherein, battery Battery can be button cell.
As shown in figure 3, AD sampling units 20, processing unit 30 and memory cell 50 can be integrally disposed in the master of electric cooking pot
Control in chip IC.
As shown in figure 3, electric cooking pot is when upper electric, it is possible to provide externally fed power supply VCC, externally fed power supply VCC pass through
Second diode D2 is connected to main control chip IC power end VDD, to be powered to main control chip IC.Wherein, externally fed power supply
VCC voltage can be 5V, and the second diode D2 conduction voltage drop can be 0.2V.That is, electric cooking pot is after the power-up, can lead to
Externally fed power supply VCC is crossed to power for master control chip IC.Voltage caused by main control chip IC power end VDD can be 4.8V.
As shown in figure 3, battery Battery voltage output end is connected to main control chip IC electricity by the 3rd diode D3
Source VDD, battery Battery power when electric cooking pot powers off for master control chip IC.Wherein, the 3rd diode D3 conducting pressure
Drop can be 0.2V.That is, electric cooking pot is after a loss of power, battery Battery can be that master control chip IC is powered.In battery
During Battery electricity abundance, battery Battery voltage can be 3.2V, voltage caused by main control chip IC power end VDD
Can be 3V.
It should be appreciated that voltage can be with externally fed power supply VCC or battery caused by main control chip IC power end VDD
The change of Battery voltages and change.
It should be noted that as shown in figure 3, the detection means of battery electric quantity may also include the first electric capacity C1 in electric cooking pot
With the second electric capacity C2.First electric capacity C1 is connected in parallel on main control chip IC power end VDD and earth terminal GND, the second electric capacity C2 and
One electric capacity C1 is in parallel, and the second electric capacity C2 positive ends and the second diode D2 and the 3rd diode D3 negative electrode are connected to
VDD.Wherein, the first electric capacity C1 and the second electric capacity C2 can play the work of filtering to battery Battery and externally fed power supply VCC
With.
Obtaining the reference voltage input terminal of voltage and AD sampling units 20 caused by main control chip IC power end VDD
After AVREF voltage, by main control chip IC processing, the process of processing can be as shown in Figure 4.
Specifically, setting address register ADSEL [3 is passed through:0] a multiplexer MUX1 given input is selected
VDD18 is held, and gathers VDD18, be i.e. the voltage AD values of the 1.8V reference power supplies of main control chip IC inner settings, and by reference to
Mask register REFSEL sets the voltage that reference voltage inputs as reference voltage input terminal AVREF.
For electric cooking pot when upper electric, externally fed power supply VCC can be that master control chip IC is powered, and setting reference voltage is battery
The difference (i.e. battery Battery voltage -0.2V) of Battery voltage and the first diode D1 conduction voltage drop, passes through multichannel
Inverting inputs of the converter MUX2 by the control source that reference voltage input terminal AVREF is inputted to comparator Comparator,
And VDD18 is input to comparator Comparator in-phase input end by multiplexer MUX1, finally collect
VDD18 voltage AD values are set to AD1.Then, present battery Battery voltage is obtained according to AD1, and by being stored in storage
Corresponding relation between the battery Battery of unit 50 voltage and battery Battery information about power, obtain present battery
Battery information about power.
When power is off, battery Battery can be that master control chip IC is powered to electric cooking pot, and setting reference voltage is battery
The difference (i.e. battery Battery voltage -0.2V) of Battery voltage and the first diode D1 conduction voltage drop, passes through multichannel
Inverting inputs of the converter MUX2 by the control source that reference voltage input terminal AVREF is inputted to comparator Comparator,
And VDD18 is input to comparator Comparator in-phase input end by multiplexer MUX1, finally collect
VDD18 voltage AD values are set to AD2.Then, present battery Battery voltage is obtained according to AD2, and by being stored in storage
Corresponding relation between the battery Battery of unit 50 voltage and battery Battery information about power obtains present battery
Battery information about power.
In summary, according to the detection means of battery electric quantity in the electric cooking pot of the utility model embodiment, by reference to
Voltage generating unit generates reference voltage, based on reference voltage the voltage of reference voltage is sampled by AD sampling units with
Voltage AD values are obtained, and obtain the voltage of battery according to voltage AD values by processing unit, and are obtained according to the voltage of battery
The information about power of battery.The device, the information about power of battery can be easily and effectively obtained, consequently facilitating user knows electricity in time
The information about power in pond simultaneously changes battery in time, to ensure the normal use of electric cooking pot, substantially increases user experience.
Based on above-described embodiment, the utility model also proposed a kind of electric cooking pot 1000.
Fig. 5 is the block diagram according to the electric cooking pot of the utility model embodiment.As shown in figure 5, the utility model
The electric cooking pot 1000 of embodiment may include the detection means 100 of battery electric quantity in above-mentioned electric cooking pot.
It should be noted that the details not disclosed in the electric cooking pot 1000 of the utility model embodiment, refer to this reality
With the details disclosed by the detection means 100 of battery electric quantity in the electric cooking pot of new embodiment, specific I will not elaborate.
According to the electric cooking pot of the utility model embodiment, battery easily and effectively can be obtained according to the voltage of battery
Information about power, consequently facilitating user knows the information about power of battery and changes battery in time in time, to ensure normal use, significantly
Improve user experience.
Fig. 6 is the flow chart of the detection method of battery electric quantity in the electric cooking pot according to the utility model embodiment.
As shown in fig. 6, the detection method of the electric cooking pot China battery electric quantity of the utility model embodiment may include it is following
Step：
S1, reference voltage is generated according to the voltage of battery.
Specifically, reference voltage can be set according to actual conditions, for example, can be set to battery voltage and 0.2V it
Difference.
S2, the voltage of reference power supply is sampled based on reference voltage to obtain voltage AD values.
Specifically, electric cooking pot can be master control chip power supply by externally fed power supply after the power-up, and collection voltages AD
Value is set to AD1.
Electric cooking pot can be master control chip power supply by battery, and collection voltages AD values are set to AD2 after a loss of power.
S3, the voltage of battery is obtained according to voltage AD values, and the information about power of battery is obtained according to the voltage of battery.
In one embodiment of the present utility model, the voltage and battery of battery are stored with the main control chip of electric cooking pot
Information about power between corresponding relation, so that the voltage according to battery and corresponding relation obtain the information about power of battery.
After AD1 or AD2 is obtained, the voltage of present battery can be obtained according to AD1 or AD2, and pass through the master of electric cooking pot
Corresponding relation between the voltage of battery and the information about power of battery that are stored in control chip obtains the information about power of present battery,
And the information about power of battery can be shown by the LED display of electric cooking pot.
According to the detection method of battery electric quantity in the electric cooking pot of the utility model embodiment, first, according to the electricity of battery
Pressure generation reference voltage, then, is sampled to obtain voltage AD values based on reference voltage to the voltage of reference power supply, finally,
The voltage of battery is obtained according to voltage AD values, and the information about power of battery is obtained according to the voltage of battery.The detection method, can
The information about power of battery is easily and effectively obtained, consequently facilitating user knows the information about power of battery and changes electricity in time in time
Pond, to ensure the normal use of electric cooking pot, substantially increase user experience.
In description of the present utility model, it is to be understood that term " " center ", " longitudinal direction ", " transverse direction ", " length ", " width
Degree ", " thickness ", " on ", " under ", "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom ", " interior ", " outer ",
The orientation or position relationship of the instruction such as " clockwise ", " counterclockwise ", " axial direction ", " radial direction ", " circumference " are based on shown in the drawings
Orientation or position relationship, it is for only for ease of description the utility model and simplifies description, rather than indicates or imply signified dress
Put or element there must be specific orientation, with specific azimuth configuration and operation, therefore it is not intended that to the utility model
Limitation.
In addition, term " first ", " second " are only used for describing purpose, and it is not intended that instruction or hint relative importance
Or the implicit quantity for indicating indicated technical characteristic.Thus, define " first ", the feature of " second " can be expressed or
Implicitly include one or more this feature.In description of the present utility model, " multiple " are meant that two or two
More than, unless otherwise specifically defined.
In the utility model, unless otherwise clearly defined and limited, term " installation ", " connected ", " connection ", " Gu
It is fixed " etc. term should be interpreted broadly, for example, it may be fixedly connected or be detachably connected, or integrally；Can be
Mechanically connect or electrically connect；Can be joined directly together, can also be indirectly connected by intermediary, can be two
The connection of element internal or the interaction relationship of two elements.For the ordinary skill in the art, can basis
Concrete condition understands concrete meaning of the above-mentioned term in the utility model.
In the utility model, unless otherwise clearly defined and limited, fisrt feature is "above" or "below" second feature
Can be that the first and second features directly contact, or the first and second features pass through intermediary mediate contact.Moreover, first is special
Sign second feature " on ", " top " and " above " can be fisrt feature directly over second feature or oblique upper, or only
Represent that fisrt feature level height is higher than second feature.Fisrt feature second feature " under ", " lower section " and " below " can be with
Be fisrt feature immediately below second feature or obliquely downward, or be merely representative of fisrt feature level height and be less than second feature.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or the spy for combining the embodiment or example description
Point is contained at least one embodiment or example of the present utility model.In this manual, to the schematic table of above-mentioned term
State and be necessarily directed to identical embodiment or example.Moreover, specific features, structure, material or the feature of description can be with
Combined in an appropriate manner in any one or more embodiments or example.In addition, in the case of not conflicting, this area
Technical staff the different embodiments or example and the feature of different embodiments or example described in this specification can be entered
Row combines and combination.
Although embodiment of the present utility model has been shown and described above, it is to be understood that above-described embodiment is
Exemplary, it is impossible to it is interpreted as to limitation of the present utility model, one of ordinary skill in the art is in the scope of the utility model
It is interior above-described embodiment to be changed, changed, replaced and modification.
Claims (8)
- A kind of 1. detection means of battery electric quantity in electric cooking pot, it is characterised in that including：Reference voltage generation unit, the reference voltage generation unit are connected with the voltage output end of the battery with according to The voltage generation reference voltage of battery；AD sampling units, the AD sampling units are connected with the reference voltage generation unit, and the AD sampling units are based on institute Reference voltage is stated to sample the voltage of reference power supply to obtain voltage AD values；Processing unit, the processing unit are used for the voltage that the battery is obtained according to the voltage AD values, and according to the electricity The voltage in pond obtains the information about power of the battery.
- 2. the detection means of battery electric quantity in electric cooking pot according to claim 1, it is characterised in that also include：Display unit, the display unit are connected with the processing unit, control of the display unit in the processing unit Under the information about power of the battery is shown.
- 3. the detection means of battery electric quantity in electric cooking pot according to claim 1 or 2, it is characterised in that the reference Voltage generating unit includes：First diode, the anode of first diode are connected with the voltage output end of the battery, first diode Negative electrode be connected with the reference voltage input terminal of the AD sampling units.
- 4. the detection means of battery electric quantity in electric cooking pot according to claim 3, it is characterised in that the reference voltage The difference of the conduction voltage drop of voltage and first diode for the battery.
- 5. the detection means of battery electric quantity in electric cooking pot according to claim 1, it is characterised in that also include：Memory cell, the memory cell are connected with the processing unit, and the memory cell is stored with the voltage of the battery Corresponding relation between the information about power of the battery, so that the processing unit is according to the voltage of the battery and described right Answer the information about power of battery described in Relation acquisition.
- 6. the detection means of battery electric quantity in electric cooking pot according to claim 5, it is characterised in that the AD samplings are single First, described processing unit and the memory cell are integrally disposed in the main control chip of the electric cooking pot.
- 7. the detection means of battery electric quantity in electric cooking pot according to claim 6, it is characterised in that the electric cooking pot Externally fed power supply is provided when upper electric, the externally fed power supply is connected to the electricity of the main control chip by the second diode Source, to be powered to the main control chip；Or the voltage output end of the battery is connected to the master control by the 3rd diode The power end of chip, the battery are powered in the electric cooking pot power-off for the main control chip.
- 8. a kind of electric cooking pot, it is characterised in that including battery in the electric cooking pot according to any one of claim 1-7 The detection means of electricity.
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| CN201720558435.7U CN207096409U (en) | 2017-05-18 | 2017-05-18 | The detection means of electric cooking pot and wherein battery electric quantity |
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| CN201720558435.7U CN207096409U (en) | 2017-05-18 | 2017-05-18 | The detection means of electric cooking pot and wherein battery electric quantity |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108957324A (en) * | 2017-05-18 | 2018-12-07 | 佛山市顺德区美的电热电器制造有限公司 | The detection device and method of electric cooking pot and wherein battery capacity |
| CN109521263A (en) * | 2018-11-19 | 2019-03-26 | 深圳和而泰小家电智能科技有限公司 | A kind of voltage test method and device |
| CN111449491A (en) * | 2019-12-30 | 2020-07-28 | 浙江绍兴苏泊尔生活电器有限公司 | Cooking appliance control method and cooking appliance |
-
2017
- 2017-05-18 CN CN201720558435.7U patent/CN207096409U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108957324A (en) * | 2017-05-18 | 2018-12-07 | 佛山市顺德区美的电热电器制造有限公司 | The detection device and method of electric cooking pot and wherein battery capacity |
| CN109521263A (en) * | 2018-11-19 | 2019-03-26 | 深圳和而泰小家电智能科技有限公司 | A kind of voltage test method and device |
| CN109521263B (en) * | 2018-11-19 | 2021-02-26 | 深圳和而泰小家电智能科技有限公司 | Voltage testing method and device |
| CN111449491A (en) * | 2019-12-30 | 2020-07-28 | 浙江绍兴苏泊尔生活电器有限公司 | Cooking appliance control method and cooking appliance |
| CN111449491B (en) * | 2019-12-30 | 2022-11-22 | 浙江绍兴苏泊尔生活电器有限公司 | Cooking appliance control method and cooking appliance |
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