CN205849315U - Food processor and water level detection circuit thereof - Google Patents
Food processor and water level detection circuit thereof Download PDFInfo
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- CN205849315U CN205849315U CN201620367340.2U CN201620367340U CN205849315U CN 205849315 U CN205849315 U CN 205849315U CN 201620367340 U CN201620367340 U CN 201620367340U CN 205849315 U CN205849315 U CN 205849315U
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 133
- 238000001514 detection method Methods 0.000 title claims abstract description 85
- 235000013305 food Nutrition 0.000 title claims abstract description 13
- 238000010411 cooking Methods 0.000 claims abstract description 61
- 238000003756 stirring Methods 0.000 claims abstract description 7
- 238000010438 heat treatment Methods 0.000 claims description 19
- 238000012544 monitoring process Methods 0.000 claims description 4
- 230000005611 electricity Effects 0.000 claims description 3
- 230000006698 induction Effects 0.000 claims 1
- 238000007689 inspection Methods 0.000 claims 1
- 239000000523 sample Substances 0.000 abstract description 10
- 238000001802 infusion Methods 0.000 description 12
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- 235000013336 milk Nutrition 0.000 description 7
- 239000008267 milk Substances 0.000 description 7
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- 241000209094 Oryza Species 0.000 description 6
- 235000007164 Oryza sativa Nutrition 0.000 description 6
- 244000046052 Phaseolus vulgaris Species 0.000 description 6
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- 235000009566 rice Nutrition 0.000 description 6
- 238000005259 measurement Methods 0.000 description 3
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- 230000008859 change Effects 0.000 description 2
- -1 continues infusion Substances 0.000 description 2
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- 229910052710 silicon Inorganic materials 0.000 description 2
- 239000010703 silicon Substances 0.000 description 2
- 241000196324 Embryophyta Species 0.000 description 1
- 235000010469 Glycine max Nutrition 0.000 description 1
- 244000068988 Glycine max Species 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
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Abstract
The utility model discloses a cooking machine and water level detection circuit thereof. Wherein, this water level detection circuit includes: the water level sensing circuit comprises a plurality of water level detection sensors, the water level detection sensors are longitudinally arranged on the stirring cup of the food processor and are used for sensing the water level according to any one or more water level detection sensors to generate sensing signals; and the main control chip is connected with the water level sensing circuit and used for determining the current water level according to the sensing signal. The utility model provides a current adoption anti-overflow probe survey water level, lead to the unsafe technical problem of testing result.
Description
Technical field
This utility model relates to cooking machine field, in particular to a kind of cooking machine and water level detection circuit thereof.
Background technology
Along with the function of cooking machine is more and more complete, cooking machine is possible not only to stirring, and the most a lot of cooking machines add heating
Function.So cooking machine just can do a lot of recipe, such as rice paste, bean milk etc..But the heatable cooking machine on market is all
There is no water level monitoring function.Because rice is stuck with paste or bean milk is when infusion, can produce substantial amounts of bubble, lasting heating, meeting is to overflow
Go out.Existing can food heating machine be all to control the time of infusion by temperature monitoring, but is because at different areas, air
Pressing the most different, the fluidizing point of water also has difference, at high pressure, it may appear that infusion is not yet done, at low pressure, boils during infusion
Rise too early, so situation about starching of overflowing all can occur in existing cooking machine.Also there is some cooking machines structure with reference to soy bean milk making machine, at cup
Increasing an anti-overflow probe at lid, anti-overflow probe links with main control board, the metal part of cup or motor and master control borad
Ground wire links, and when liquid level rises and encounters anti-overflow probe, anti-overflow voltage is through bubble water resistance to ground wire, and main control board is permissible
The change in voltage of anti-overflow probe detected, it can be determined that have the situation of spilling, although this kind of method is simple, but can only monitor and be
No spilling, it is impossible to enough accurately judge water level, and structure design is the most complicated, and need cup or motor to connect the ground of internal electric source
Line, safety coefficient is low.
For existing employing anti-overflow probe detecting water level, cause the inaccurate problem of result of detection, the most not yet propose
Effective solution.
Utility model content
This utility model embodiment provides a kind of cooking machine and water level detection circuit thereof, at least to solve existing employing
Anti-overflow probe detecting water level, causes the inaccurate technical problem of result of detection.
An aspect according to this utility model embodiment, it is provided that the water level detection circuit of a kind of cooking machine, including: water
Position sensor circuit, including multiple level detection sensor, multiple level detection sensor are disposed longitudinally on the jar of cooking machine
On, for sensing that water level generates induced signal according to any one or more level detection sensor；Main control chip, with water level
Sensor circuit connects, for determining current level according to induced signal.
According to the another aspect of this utility model embodiment, additionally provide a kind of cooking machine, including: this utility model is above-mentioned
The water level detection circuit of the cooking machine of any one in embodiment.
In this utility model embodiment, by the water level of water level sensor circuit sensing cooking machine cup, at multiple water levels
Detection sensor sensing to water level time, water level sensor circuit generation induced signal, main control chip according to the induced signal received,
Determine the current level in cooking machine cup, solve existing employing anti-overflow probe detecting water level, cause result of detection to be forbidden
Really technical problem.Therefore, the scheme provided by the application, induced signal can be generated by water level sensor circuit, thus really
Determine the current level in cooking machine cup, be possible not only to accurate measurements to the height of water level in cooking machine cup, but also permissible
According to the height of water level in cooking machine cup, control the cooking machine working time, further can also be by water in cooking machine cup
The height of position determines whether situation about overflowing.
Accompanying drawing explanation
Accompanying drawing described herein is used for providing being further appreciated by of the present utility model, constitutes the part of the application,
Schematic description and description of the present utility model is used for explaining this utility model, is not intended that of the present utility model improper
Limit.In the accompanying drawings:
Fig. 1 is the structural representation of the water level detection circuit of a kind of cooking machine according to this utility model embodiment；
Fig. 2 is the structural representation of a kind of optional main control chip according to this utility model embodiment；
Fig. 3 is the structural representation of the water level detection circuit of a kind of optional cooking machine according to this utility model embodiment
Figure；And
Fig. 4 is the structural representation of a kind of optional cooking machine according to this utility model embodiment.
Wherein, above-mentioned accompanying drawing includes the following drawings labelling:
11, water level sensor circuit；111, level detection sensor；113, water level detecting chip；13, main control chip；15, open
Close device；17, heat pipe is added；19, power supply change-over device；21, live wire；23, zero line；131, first processor；133, second process
Device；135, the 3rd processor；137, fourth processor；139, alarm；1, touch key-press；2, touch key-press；3, touch key-press；
4, touch key-press；5, jar；6, main control board.
Detailed description of the invention
In order to make those skilled in the art be more fully understood that this utility model scheme, real below in conjunction with this utility model
Execute the accompanying drawing in example, the technical scheme in this utility model embodiment is clearly and completely described, it is clear that described
Embodiment is only the embodiment of this utility model part rather than whole embodiments.Based on the reality in this utility model
Execute example, the every other embodiment that those of ordinary skill in the art are obtained under not making creative work premise, all answer
When the scope belonging to this utility model protection.
It should be noted that term " first " in specification and claims of the present utility model and above-mentioned accompanying drawing,
" second " etc. are for distinguishing similar object, without being used for describing specific order or precedence.Should be appreciated that so
The data used can be exchanged in the appropriate case, in order to embodiment of the present utility model described herein can be with except at this
In illustrate or describe those beyond order implement.Additionally, term " includes " and " having " and their any deformation, meaning
Figure is to cover non-exclusive comprising, and such as, contains the system of a series of unit, product or equipment and is not necessarily limited to clearly arrange
Those unit gone out, but can include the most clearly listing or for intrinsic other unit of these products or equipment.
According to this utility model embodiment, it is provided that the water level detection circuit embodiment of a kind of cooking machine, Fig. 1 is according to this
A kind of structural representation of the water level detection circuit of the cooking machine of utility model embodiment, as it is shown in figure 1, this circuit includes:
Water level sensor circuit 11, including multiple level detection sensor 111, multiple level detection sensor 111 longitudinally set
Put on the jar of cooking machine, for sensing that water level generates sensing letter according to any one or more level detection sensor
Number.
Main control chip 13, is connected with water level sensor circuit 11, for according to induced signal, determines current level.
In the optional scheme of one, above-mentioned level detection sensor can sequentially be arranged in from high to low or from low to high
On the jar of cooking machine, above-mentioned water level sensor circuit 11 can monitor water level by multiple level detection sensor 111, works as material
When in reason machine cup, the water level of liquid covers any one or more level detection sensor, water level sensor circuit is by any one
Individual or multiple level detection sensor sense water level, generate corresponding induced signal, and are transferred to circuit control by order wire
The main control chip of making sheet, main control chip after receiving induced signal, can according to corresponding any one of induced signal or
The installation site of multiple level detection sensor, determines current level, and such as, 4 level detection sensor are installed from low to high
On the jar of cooking machine, when water level covers minimum two level detection sensor, water level sensor circuit generates corresponding
Induced signal be transferred to main control chip, main control chip is after receiving induced signal, it may be determined that current level for stirring
The half of cup.
In the above embodiments of the present application, by the water level of water level sensor circuit sensing cooking machine cup, examine at multiple water levels
When surveying sensor sensing to water level, water level sensor circuit generates induced signal, and main control chip is according to the induced signal received, really
Determine the current level in cooking machine cup, solve existing employing anti-overflow probe detecting water level, cause result of detection inaccurate
Technical problem.Therefore, the scheme provided by the application, induced signal can be generated by water level sensor circuit, so that it is determined that
Current level in cooking machine cup, is possible not only to accurate measurements to the height of water level in cooking machine cup, but also can root
According to the height of water level in cooking machine cup, control the cooking machine working time, further can also be by water level in cooking machine cup
Height determine whether overflow situation.
Optionally, as depicted in figs. 1 and 2, in the above embodiments of the present application, above-mentioned water level sensor circuit 11 includes:
It is positioned at multiple level detection sensor 111 of the outer cup wall of jar, when being used for sensing water level, generates sensing letter
Number.
Water level detecting chip 113, is connected between multiple level detection sensor 111 and main control chip 13, for basis
Induced signal determines the water level influence value of any one or more level detection sensor.
Main control chip 13 includes: first processor 131, for the water according to any one or more level detection sensor
Position influence value determines current level.
Optionally, in the above embodiments of the present application, the output port of water level detecting chip 11 can pass through two order wires
It is connected with the input port of main control chip 13.Level detection sensor 111 can fit with the outer cup wall of jar, and water level is examined
Surveying sensor 111 can be capacitance sensor, such as touch key-press, is the situation of capacitance sensor in level detection sensor
Under, water level influence value can be capacitance.
As it is shown on figure 3, in the optional scheme of one, above-mentioned level detection sensor 111 can be touch key-press, water level
Detection chip 113 can be to touch detection chip H1, and main control chip 13 can be single-chip microcomputer U2.Water level detection circuit 11 can wrap
Include 4 touch key-presss, i.e. touch key-press 1, touch key-press 2, touch key-press 3 and touch key-press 4, touch detection chip H1, monolithic
Machine U2, thyristor SCR, add heat pipe B, power supply C, order wire A, DC source VDD, live wire L, zero line N and ground connection.4
Individual touch key-press can be arranged on the outer wall of the cup of cooking machine from bottom to up, and 4 touch key-presss represent different water levels, touches
Detection chip H1 is connected with 4 touch key-presss respectively, touches the input by two transmission line A and single-chip microcomputer U2 of detection chip H1
Output I/O port connects.When water covers touch key-press, touch detection chip H1 and send the capacitance detected to single-chip microcomputer
U2, single-chip microcomputer U2 are according to from touching the data that detection chip H1 receives, it is judged that current water level, such as, when touch key-press 3 He
Touch key-press 4 generates induced signal, and touch key-press 1 and touch key-press 2 do not generate induced signal, then touch key-press detection chip
H1, after receiving the induced signal of touch key-press 3 and touch key-press 4 transmission, detects corresponding capacitance, and single-chip microcomputer U2 exists
After receiving capacitance, determine that current level is half.
Herein it should be noted that according to the principle of touch key-press, the pin of the touch detection chip that touch key-press connects
Having an electric capacity, when button is not touched, electric capacity is electrically charged always, when hands contact button, and big by as conductor of hands
Ground, so hands and button form again an electric capacity, the electric capacity in pin can be discharged rapidly, and chip can detect the electricity of electric capacity
Measure and reducing, be then judged as key response.In like manner, cup or motor connect the ground wire of circuit control panel.When water cover touch by
During key, water and touch key-press form an electric capacity, and the main control chip of circuit control panel can judge the change of button capacitance, from
And determine current level.
By such scheme, level detection sensor may be mounted at the outer cup wall of the jar of cooking machine, therefore, stirring
The interior wall of cup of cup is smooth, clean surface, and not only convenient cleaning, improves again safety coefficient.By the water level value detected, permissible
Judge that whether water level is less than minimum graduation mark or higher than maximum scale line.
Optionally, as in figure 2 it is shown, in the above embodiments of the present application, main control chip 13 includes:
First processor 131, for determining current level according to induced signal.
Second processor 133, is connected with first processor 131, is additionally operable to determine food in jar according to current level
Heat time heating time.
In the optional scheme of one, main control chip 13 is according to the data received from water level detecting chip 113, it is judged that
After current water level, corresponding heat time heating time can be calculated according to the current water yield, the most maximized food that saves
Nutrition, has saved again resource.
Optionally, as it is shown in figure 1, in the above embodiments of the present application, above-mentioned water level detection circuit also includes:
Switching device 15, the first end is connected with live wire 21, and second terminates the control port into main control chip 13, for basis
In jar, the heat time heating time of food turns on or turns off.
Add heat pipe 17, be connected between the 3rd end and the zero line 23 of switching device 15, for the feelings at switch device conductive
Normally work under condition, quit work in the case of switching device is closed.
As it is shown on figure 3, in the optional scheme of one, above-mentioned switching device 15 can be thyristor SCR, switch
First end of device 15 can be the anode of thyristor SCR, and the second end can be the control of thyristor SCR
Pole, the 3rd end can be the negative electrode of thyristor SCR.The anode of thyristor SCR is connected with live wire L, controllable silicon
The control port of single-chip microcomputer U2 is accessed in the pole that controls of rectifier tube SCR, add heat pipe B be connected on the negative electrode of thyristor SCR with
Between zero line N.When cooking machine infusion rice paste, bean milk, single-chip microcomputer U2 can be calculated what infusion needed according to current level
Heat time heating time, thyristor SCR, after receiving the thermal control signals of single-chip microcomputer U2, can lead within heat time heating time
Logical, the other times outside heat time heating time turn off, when thyristor SCR turn on, add heat pipe B be connected on live wire L and
Between zero line N, begin to warm up work；When thyristor SCR turns off, add heat pipe B and stop heating work, so that add
Heat pipe B can work within heat time heating time, quits work in the non-heated time.
By such scheme, main control chip can be obtained heat time heating time by current level, and be controlled by switching device
Add heat pipe to work in heat time heating time, thus while having ensured heat foods, economize on resources, reduce energy waste.
Optionally, as depicted in figs. 1 and 2, in the above embodiments of the present application,
Main control chip 13 includes:
First processor 131, for determining current level according to induced signal.
3rd processor 135, is connected with first processor 131, for when current level is more than or equal to life when overflowing water level
Become overflow control signal.
Above-mentioned water level detection circuit also includes:
Switching device 15, the first end is connected with live wire 21, and second terminates the control port into main control chip 13, for basis
Overflow control signal turns off.
Add heat pipe 17, be connected between the 3rd end and the zero line 23 of switching device 15, for the feelings at switch device conductive
Normally work under condition, quit work in the case of switching device is closed.
Concrete, above-mentioned spilling water level can be no-spill peak level.
Herein it should be noted that in order to peak level detected, can be at the Gao Shui of cooking machine cup outer wall
One level detection sensor is installed at Wei, when main control chip receives the capacitance of this level detection sensor, can be true
Determine current level and arrive peak level, it may appear that spillover, need to stop heating.
As it is shown on figure 3, in the optional scheme of one, above-mentioned switching device 15 can be thyristor SCR, switch
First end of device 15 can be the anode of thyristor SCR, and the second end can be the control of thyristor SCR
Pole, the 3rd end can be the negative electrode of thyristor SCR.The anode of thyristor SCR is connected with live wire L, controllable silicon
The control port of single-chip microcomputer U2 is accessed in the pole that controls of rectifier tube SCR, add heat pipe B be connected on thyristor SCR and zero line N it
Between.When cooking machine infusion rice paste, bean milk, food can produce substantial amounts of foam, continues infusion, and foam is raised above, and works as foam
When rising to the position of touch key-press 1 in Fig. 3, touch key-press 1 responds, and touches after detection chip H1 monitors capacitance variations, will
Information sends single-chip microcomputer U2, single-chip microcomputer U2 to and immediately closes off thyristor SCR, makes to add heat pipe B and quits work at once.
By such scheme, when main control chip judges that current level exceedes spilling water level, control switching device and turn off, make
Add heat pipe to quit work, thus realize, according to detection current level, detecting anti-overflow purpose.
Optionally, as in figure 2 it is shown, in the above embodiments of the present application, main control chip 13 also includes: fourth processor 137, with
First processor 131 connects, for when current level is less than generation thermal control signals when overflowing water level.
Switching device 15 turns on always according to after thermal control signals.
Add heat pipe 17 normally to work in the case of switch device conductive.
As it is shown on figure 3, in the optional scheme of one, when cooking machine infusion rice paste, bean milk, food can produce substantial amounts of
Foam, continues infusion, and foam is raised above, and when the position of the touch key-press 1 during foam rises to Fig. 3, single-chip microcomputer U2 closes at once
Close thyristor SCR, make to add heat pipe B and quit work at once.When foam falls after rise, single-chip microcomputer U2 detects that current level is little
When peak level, open thyristor SCR, make to add heat pipe B and normally work, continue heating.
By such scheme, when main control chip judges that current level, less than when overflowing water level, controls switch device conductive, makes
Add heat pipe normally to work, it is to avoid the erroneous judgement that ordinary electrode is anti-overflow, because foam falls after rise, bubble, meeting can be hung at anti-overflow probe and cup bucket
Causing and anti-overflow respond always, Master control chip is judged as overflow status always, and foam has fallen after rise in fact.
Optionally, as in figure 2 it is shown, in the above embodiments of the present application, main control chip 13 includes:
First processor 131, for determining current level according to induced signal.
Alarm 139, is connected with first processor 131, for raw when current level is more than or equal to trouble free service water level
Become alarm signal.
Concrete, when cooking machine is when processing the functions such as rice paste, bean milk, owing to this kind of food easily overflow in the infusion stage
Go out, so in order to ensure to be not easy to overflow during infusion, above-mentioned trouble free service water level can be the half of cooking machine cup.
In the optional scheme of one, before starting working, main control chip 13 is by judging that whether current level is more than peace
Full working water level, determines the water yield added by user, when judging that current level is more than trouble free service water level, determines added by user
The water yield exceed the half of cooking machine cup, generate alarm signal, remind hypervolia added by user.
By such scheme, can be by detecting current level before starting working, it is ensured that user institute amount of water will not
Exceed safety value, reduce the spillover in heating process, it is to avoid frequently close, open switching device, promote water level detecting electricity
The life-span on road.
Optionally, as it is shown in figure 1, in the above embodiments of the present application, above-mentioned water level detection circuit also includes:
Power supply change-over device 19, first input end is connected with live wire 21, and the second input is connected with zero line 23, the first output
End and DC source all access the power input of main control chip 13, and the earth terminal of the second outfan and main control chip 13 all connects
Ground, for being converted to DC source by alternating current power supply.
As it is shown on figure 3, in the optional scheme of one, above-mentioned power supply converter device 19 can be power supply C, the first outfan
Can be positive pole, the second outfan can be negative pole, describes for convenience, and the power input of main control chip 13 can be VDD
End, above-mentioned DC source can be VDD.Two inputs of power supply C are connected with the live wire L and zero line N of alternating current power supply, power supply C
Positive pole and VDD all access the vdd terminal of single-chip microcomputer U2, the negative pole of power supply C and earth terminal all ground connection of single-chip microcomputer U2.Power supply C will
Alternating current power supply is converted to the DC source of single-chip microcomputer U2, powers for single-chip microcomputer U2.
Pass through such scheme, it is achieved provide the purpose of electric energy for main control chip.
According to this utility model embodiment, it is provided that a kind of cooking machine embodiment, any one including in above-described embodiment
Plant the water level detection circuit of cooking machine.
As shown in Figure 4, in the optional scheme of one, cooking machine includes jar and water level detection circuit, jar 5
Equipped with 4 touch key-presss on wall of cup, i.e. touch key-press 1 in Fig. 4, touch key-press 2, touch key-press 3 and touch key-press 4, stirring
The material of cup 5 can be that glass, plastics etc. are not belonging to metal material cup.Connect the main control board 6 in Fig. 4, main control board 6
On can include above-mentioned water level detection circuit.
By such scheme, by the water level of water level detection circuit sensing cooking machine cup, in determining cooking machine cup
Current level, solving existing can not have water level monitoring function technical problem by food heating machine.Therefore, provided by the application
Scheme, the current level in cooking machine cup can be determined by water level detection circuit, be possible not only to accurate measurements to cooking
The height of water level in machine cup, but also the cooking machine working time can be controlled according to the height of water level in cooking machine cup, enter
One step can also determine whether the situation of spilling by the height of water level in cooking machine cup.
Above-mentioned this utility model embodiment sequence number, just to describing, does not represent the quality of embodiment.
In above-described embodiment of the present utility model, the description to each embodiment all emphasizes particularly on different fields, in certain embodiment
There is no the part described in detail, may refer to the associated description of other embodiments.
The above is only preferred implementation of the present utility model, it is noted that for the common skill of the art
For art personnel, on the premise of without departing from this utility model principle, it is also possible to make some improvements and modifications, these improve and
Retouching also should be regarded as protection domain of the present utility model.
Claims (11)
1. the water level detection circuit of a cooking machine, it is characterised in that including:
Water level sensor circuit, including multiple level detection sensor, the plurality of level detection sensor is disposed longitudinally on cooking
On the jar of machine, for sensing that water level generates induced signal according to any one or more level detection sensor；
Main control chip, is connected with described water level sensor circuit, for determining current level according to described induced signal.
Water level detection circuit the most according to claim 1, it is characterised in that described water level sensor circuit includes:
It is positioned at the plurality of level detection sensor of the outer cup wall of described jar, when being used for sensing water level, generates described sense
Induction signal；
Water level detecting chip, is connected between the plurality of level detection sensor and described main control chip, for according to described
Induced signal determines the water level influence value of described any one or more level detection sensor；
Described main control chip includes: first processor, for the water according to described any one or more level detection sensor
Position influence value determines described current level.
Water level detection circuit the most according to claim 2, it is characterised in that described level detection sensor and described stirring
The outer cup wall of cup fits.
Water level detection circuit the most according to claim 2, it is characterised in that described level detection sensor is capacitance sensing
Device, described water level influence value is capacitance.
Water level detection circuit the most according to claim 1, it is characterised in that described main control chip includes:
First processor, for determining described current level according to described induced signal；
Second processor, is connected with described first processor, food in determine described jar according to described current level
Heat time heating time.
Water level detection circuit the most according to claim 5, it is characterised in that described water level detection circuit also includes:
Switching device, the first end is connected with live wire, and second terminates the control port into described main control chip, for stirring described in basis
Mix conducting heat time heating time of food in cup or turn off；
Add heat pipe, be connected between the 3rd end and the zero line of described switching device, for the situation at described switch device conductive
Under start working, described switching device turn off in the case of quit work.
Water level detection circuit the most according to claim 1, it is characterised in that described main control chip includes:
First processor, for determining described current level according to described induced signal；
3rd processor, is connected with described first processor, for when described current level is more than or equal to generation when overflowing water level
Overflow control signal；
Described water level detection circuit also includes:
Switching device, the first end is connected with live wire, and second terminates the control port into described main control chip, for overflowing according to described
Go out control signal to turn off；
Add heat pipe, be connected between the 3rd end and the zero line of described switching device, for situation about turning off at described switching device
Under quit work.
Water level detection circuit the most according to claim 7, it is characterised in that
Described main control chip also includes: fourth processor, is connected with described first processor, for being less than when described current level
Thermal control signals is generated during described spilling water level；
Described switching device turns on always according to described thermal control signals；
The described heat pipe that adds normally works in the case of described switch device conductive.
Water level detection circuit the most according to claim 1, it is characterised in that described main control chip includes:
First processor, for determining described current level according to described induced signal；
Alarm, is connected with described first processor, for generating when described current level is more than or equal to trouble free service water level
Alarm signal.
Water level detection circuit the most as claimed in any of claims 1 to 9, it is characterised in that described water level detecting electricity
Road also includes:
Power supply change-over device, first input end is connected with live wire, and the second input is connected with zero line, the first outfan and unidirectional current
The power input of described main control chip, the earth terminal of the second outfan and described main control chip all ground connection are all accessed in source, are used for
Alternating current power supply is converted to DC source.
11. 1 kinds of cooking machines, it is characterised in that including: the water level inspection of cooking machine described in any one in claim 1 to 10
Slowdown monitoring circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620367340.2U CN205849315U (en) | 2016-04-26 | 2016-04-26 | Food processor and water level detection circuit thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620367340.2U CN205849315U (en) | 2016-04-26 | 2016-04-26 | Food processor and water level detection circuit thereof |
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| CN205849315U true CN205849315U (en) | 2017-01-04 |
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| CN201620367340.2U Active CN205849315U (en) | 2016-04-26 | 2016-04-26 | Food processor and water level detection circuit thereof |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107115018A (en) * | 2017-06-30 | 2017-09-01 | 佛山市云米电器科技有限公司 | A kind of insulating pot detected with water |
| CN107192424A (en) * | 2017-06-30 | 2017-09-22 | 佛山市云米电器科技有限公司 | A kind of water detection method detected based on electrical conductivity in insulating pot kettle |
| CN107300934A (en) * | 2017-06-30 | 2017-10-27 | 佛山市云米电器科技有限公司 | A kind of water detection method detected based on capacitance in insulating pot kettle |
| CN108784451A (en) * | 2018-07-10 | 2018-11-13 | 安徽中医药大学 | Intelligent domestic cooking machine |
| CN109820437A (en) * | 2019-01-17 | 2019-05-31 | 九阳股份有限公司 | A kind of processing control method of food processor |
| US11860021B2 (en) | 2018-11-20 | 2024-01-02 | Carrier Corporation | Sensing of a water level in refrigerated cabinets |
| CN117941968A (en) * | 2023-11-01 | 2024-04-30 | 杭州九阳小家电有限公司 | Pulping control method of liquid heater for air separation detection |
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2016
- 2016-04-26 CN CN201620367340.2U patent/CN205849315U/en active Active
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107115018A (en) * | 2017-06-30 | 2017-09-01 | 佛山市云米电器科技有限公司 | A kind of insulating pot detected with water |
| CN107192424A (en) * | 2017-06-30 | 2017-09-22 | 佛山市云米电器科技有限公司 | A kind of water detection method detected based on electrical conductivity in insulating pot kettle |
| CN107300934A (en) * | 2017-06-30 | 2017-10-27 | 佛山市云米电器科技有限公司 | A kind of water detection method detected based on capacitance in insulating pot kettle |
| CN108784451A (en) * | 2018-07-10 | 2018-11-13 | 安徽中医药大学 | Intelligent domestic cooking machine |
| US11860021B2 (en) | 2018-11-20 | 2024-01-02 | Carrier Corporation | Sensing of a water level in refrigerated cabinets |
| CN109820437A (en) * | 2019-01-17 | 2019-05-31 | 九阳股份有限公司 | A kind of processing control method of food processor |
| CN109820437B (en) * | 2019-01-17 | 2021-10-08 | 九阳股份有限公司 | Processing control method of food processing machine |
| CN117941968A (en) * | 2023-11-01 | 2024-04-30 | 杭州九阳小家电有限公司 | Pulping control method of liquid heater for air separation detection |
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