CN107728660A - Add water controller and Intelligent electric kettle - Google Patents
Add water controller and Intelligent electric kettle Download PDFInfo
- Publication number
- CN107728660A CN107728660A CN201711181124.4A CN201711181124A CN107728660A CN 107728660 A CN107728660 A CN 107728660A CN 201711181124 A CN201711181124 A CN 201711181124A CN 107728660 A CN107728660 A CN 107728660A
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- Prior art keywords
- water
- weighing sensor
- plus
- instruction
- data signal
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 288
- 238000005303 weighing Methods 0.000 claims abstract description 73
- 238000006243 chemical reaction Methods 0.000 claims abstract description 56
- 230000007246 mechanism Effects 0.000 claims description 14
- 238000009434 installation Methods 0.000 claims description 8
- 238000009413 insulation Methods 0.000 claims description 4
- 230000005611 electricity Effects 0.000 claims description 3
- 206010021036 Hyponatraemia Diseases 0.000 abstract description 4
- 238000004088 simulation Methods 0.000 abstract 1
- 238000009841 combustion method Methods 0.000 description 5
- 238000005259 measurement Methods 0.000 description 5
- 238000004458 analytical method Methods 0.000 description 4
- 229920001971 elastomer Polymers 0.000 description 4
- 239000000806 elastomer Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 230000006978 adaptation Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 239000003292 glue Substances 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000005489 elastic deformation Effects 0.000 description 1
- JEGUKCSWCFPDGT-UHFFFAOYSA-N h2o hydrate Chemical compound O.O JEGUKCSWCFPDGT-UHFFFAOYSA-N 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000008236 heating water Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D9/00—Level control, e.g. controlling quantity of material stored in vessel
- G05D9/12—Level control, e.g. controlling quantity of material stored in vessel characterised by the use of electric means
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01G—WEIGHING
- G01G3/00—Weighing apparatus characterised by the use of elastically-deformable members, e.g. spring balances
- G01G3/12—Weighing apparatus characterised by the use of elastically-deformable members, e.g. spring balances wherein the weighing element is in the form of a solid body stressed by pressure or tension during weighing
- G01G3/14—Weighing apparatus characterised by the use of elastically-deformable members, e.g. spring balances wherein the weighing element is in the form of a solid body stressed by pressure or tension during weighing measuring variations of electrical resistance
Abstract
This application discloses one kind plus water controller and Intelligent electric kettle, belong to Smart Home technical field.Described plus water controller includes：The quality conversion sensed is voltage signal by weighing sensor, simulation numeral AD conversion chip and control module, weighing sensor, and the voltage signal is exported to AD conversion chip；The voltage signal of input is converted to data signal by AD conversion chip, and the data signal obtained after conversion is exported to control module；Control module is according to the Digital Signals water pump water adding or stops adding water.The application is measured by weighing sensor to the weight of the water receptacle of electric kettle, to control water pump to add water to water receptacle or stop adding water, water pump can be made adds water opportunity or stopping plus water opportunity to be determined by water in water receptacle, and then the dilutional hyponatremia or very few in water receptacle is avoided, it ensure that the safe to use of electric kettle.
Description
Technical field
The present invention relates to Smart Home technical field, more particularly to a kind of plus water controller and Intelligent electric kettle.
Background technology
Electric kettle is the Vessel for heating water commonly used in people's daily life, in use, it is necessary to add to electric kettle
Water.The water supply way of electric kettle in the market generally includes to utilize timing adding water pump water adding or adds water manually.
In actual applications, manual water supply way needs user according to service conditions such as water requirement, usage amounts and uses water
Experience carries out plus water, cumbersome and easy maloperation, wastes time and energy, and can not accurately control amount of water.And timing is utilized to add
Water pump then has that water rate control is uneven to the mode of electric kettle timing adding water, such as, electric kettle use compared with
During few water, cause to incorporate more water in electric kettle by timing adding water pump timing adding water, cause electric kettle water
Overflow or cause to heat up water not thorough；Also for example, when electric kettle has used more water, timing adding water pump is not also to when adding water
Machine, cause water in electric kettle very few, cause dry combustion method, potential safety hazard be present.
The content of the invention
The purpose of the present invention is the weight to water in electric kettle water receptacle（The number or water of water in water receptacle can be reflected
Position）Monitored in real time, to determine whether to continue to add water into water receptacle according to monitored results, realize the automatic and accurate for adding water
Control, ensure that liquid level is maintained at appropriate position in water receptacle, prevent electric kettle dry combustion method and heat up water not thoroughly, and reduce artificial behaviour
Make, prevented potential safety hazard.Technical scheme provided by the invention is specific as follows：
First aspect, there is provided one kind plus water controller, water controller should be added to turn including weighing sensor, analog digital A/D
Chip and control module are changed, wherein：Weighing sensor is electrically connected with AD conversion chip, the quality that weighing sensor will sense
Voltage signal is converted to, the voltage signal is exported to AD conversion chip；AD conversion chip is connected with control module, AD conversion core
The voltage signal of input is converted to data signal by piece, and the data signal obtained after conversion is exported to control module；Control mould
Block is connected with water pump, and control module is according to the Digital Signals water pump water adding or stops adding water.
The weight of the water receptacle of electric kettle is measured by weighing sensor, output is corresponding with measured weight
Voltage signal, and corresponding control instruction is finally determined according to voltage signal, to control water pump to add water or stopping to water receptacle
Add water, can make water pump adds water opportunity or stopping plus water opportunity to be determined by water in water receptacle, and then ensures water in water receptacle
The perseverance of amount is steady, avoids the dilutional hyponatremia or very few in water receptacle, and then can avoid the dry combustion method to water receptacle or not thorough, the guarantor that heats up water
The safe to use of electric kettle is demonstrate,proved.
Optionally, water controller is added also to include base mechanism, weighing sensor is installed on the bottom of base mechanism, base
It is used to place the water receptacle for being used for being filled with water in mechanism.
By the bottom that weighing sensor is installed on to base mechanism so that water receptacle pushes down weighing sensor completely, from
And it ensure that the degree of accuracy of the measurement to the weight of water receptacle.
Optionally, the temperature of surrounding is less than 40 degree after weighing sensor installation.
Optionally, the installation surface of weighing sensor is plane.
By the way that weighing sensor is installed in the environment less than 40 degree, to reduce shadow of the high temperature to sensor element
Ring, ensure the accuracy of measurement；In addition, weighing sensor is positioned in the installation surface of plane so that the gravity of water receptacle
Perpendicular to the measuring surface of sensor, to ensure the accuracy of measurement.
Optionally, AD conversion chip is arranged in insulation and obturation space.
By the way that AD conversion chip is installed in insulation and obturation space, the influence to AD conversion chip is avoided, extends AD and turns
Change the service life of chip.
Optionally, control module includes analytic unit and control unit, and analytic unit is electrically connected with control unit, control
Unit and water pump plus taps be electrically connected with, analytic unit determines the control corresponding to the data signal of AD conversion chip output
Instruction, control instruction is sent to control unit, control unit is according to control instruction control plus taps closure or disconnects.
Analytic unit can prestore the corresponding relation between data signal and control instruction, defeated according to AD conversion chip
The data signal gone out, determine corresponding control instruction.In general, the corresponding relation between data signal and control instruction
Can according to the capacity of water receptacle, need plus the experiment in advance such as the water level of water or water determines.
Optionally, the resistance strain gage of weighing sensor is the Wheatstone bridge formula bleeder circuit being made up of four resistance, is tied
Structure is simple, and the voltage signal exported can sensitively reflect measured weight.
Optionally, the control instruction that analytic unit determines includes plus water instructs and/or stops plus water instruction, control unit exist
Receive after adding water instruction, control water pump performs plus water operates；Control unit controls water pump after stopping plus water instruction is received
Perform and stop adding water operation.
Optionally, the voltage of weighing sensor output is used to reflect the weighed weight of weighing sensor, weighing sensor
When the voltage of output is located at first voltage range, AD conversion chip exports the first data signal corresponding with the voltage, and analysis is single
Member determines instruction corresponding with the first data signal to add water according to the corresponding relation between the data signal and instruction to prestore
Instruction；When the voltage of weighing sensor output is located at second voltage scope, AD conversion chip output corresponding with the voltage second
Data signal, analytic unit are determined and the second data signal according to the corresponding relation between the data signal and instruction to prestore
Corresponding instruction is stopping plus water instruction.
In general, in the voltage reflection water receptacle in first voltage range water it is less, it is necessary to plus water, in the range of second voltage
Voltage be used to reflecting in water receptacle that water to be more, it is necessary to stop plus water.
Second aspect, there is provided a kind of Intelligent electric kettle, the Intelligent electric kettle include being used for water receptacle, the water being filled with water
There is provided in pump and such as first aspect and the various optional implementations of first aspect plus water controller, water management dress should be added
Weighing sensor in putting is used for the weight for weighing water receptacle, and water pump is in the case where adding the control of control module of water controller to water
Container adds water or stops adding water to water receptacle.
The weight of the water receptacle of electric kettle is measured by weighing sensor, output is corresponding with measured weight
Voltage signal, and corresponding control instruction is finally determined according to voltage signal, to control water pump to add water or stopping to water receptacle
Add water, can make water pump adds water opportunity or stopping plus water opportunity to be determined by water in water receptacle, and then ensures water in water receptacle
The perseverance of amount is steady, avoids the dilutional hyponatremia or very few in water receptacle, and then can avoid the dry combustion method to water receptacle or not thorough, the guarantor that heats up water
The safe to use of electric kettle is demonstrate,proved.
Brief description of the drawings
Accompanying drawing herein is merged in specification and forms the part of this specification, shows the implementation for meeting the present invention
Example, and for explaining principle of the invention together with specification.
Fig. 1 is the structural representation of the Intelligent electric kettle provided in one embodiment of the invention；
Fig. 2 is circuit diagram provided in one embodiment of the invention plus water controller；
Fig. 3 is the schematic diagram in base mechanism installation weighing sensor provided in one embodiment of the invention；
Fig. 4 is the circuit diagram of the weighing sensor provided in one embodiment of the invention.
Wherein, reference is as follows：
110th, water receptacle；120th, water controller is added；121st, weighing sensor；122nd, AD conversion chip；123rd, control module；
123a, analytic unit；123b, control unit；130th, water pump；31st, outer lead；32nd, hole is deformed；33rd, elastomer；34th, pilot hole；
35th, glue；36th, pcb board；37th, lead；38th, resistance strain gage.
Embodiment
Here exemplary embodiment will be illustrated in detail, its example is illustrated in the accompanying drawings.Following description is related to
During accompanying drawing, unless otherwise indicated, the same numbers in different accompanying drawings represent same or analogous key element.Following exemplary embodiment
Described in embodiment do not represent all embodiments consistent with the disclosure.On the contrary, they be only with it is such as appended
The example of the consistent apparatus and method of some aspects be described in detail in claims, the disclosure.
Electric kettle generally comprises the water receptacle and heater for being filled with water, and heater can be to the water in water receptacle
Heating.
In order to realize the automatic water-supply to water in water receptacle, the Intelligent electric kettle of the application additionally provides water pump,
The water pump be connected to water receptacle plus between water end (W.E.) and water source, the water at water source is pumped into the water receptacle of electric kettle by water pump.
And in order to control the water-holding quantity of water receptacle, with ensure heater in water receptacle water heat when not only uniformly but also be unlikely to dry
Burn, provided herein a kind of plus water controller and with this plus water controller Intelligent electric kettle, below
There is provided with reference to Fig. 1 to Fig. 4 the application plus water controller and Intelligent electric kettle are explained.
Fig. 1 is the structural representation of the Intelligent electric kettle provided in one embodiment of the invention, the Intelligent electric kettle bag
Include the water receptacle 110, water pump 130 and plus water controller 120 for being filled with water.
Water controller 120 is added to include weighing sensor 121, AD conversion chip 122 and control module 123, wherein：
Weighing sensor 121 is electrically connected with AD conversion chip 122, and AD conversion chip is connected with control module, control module and water pump
Connection.The weighing sensor 121 in water controller 120 is added to be used for the weight for weighing water receptacle 110, water pump 130 is adding water control
Add water to water receptacle 110 under the control of the control module 123 of device 120 processed or stop to water receptacle 110 plus water.
For example, shown in Figure 2, it is circuit provided in one embodiment of the invention plus water controller
Figure, it is somebody's turn to do the weighing sensor 121 for adding water controller to be made up of including resistance strain gage four resistance, AD conversion chip 122, divides
Analyse unit 123a and control unit 123b（Analytic unit 123a and control unit 123b composition controls module 123）, weighing and sensing
The output end of device 121 and the signal input part of AD conversion chip 122（That is the pin 7 and pin 8 of AD conversion chip 122）Connection,
The signal output part of AD conversion chip 122（That is pin 11 and pin 12）With analytic unit 123a signal input part（Analyze
Unit 123a pin 7 and pin 8）Connection, analytic unit 123a signal output part connect with control unit 123b input
Connect.
The quality conversion sensed is voltage signal by weighing sensor 121, and the voltage signal is exported to AD conversion core
Piece 122；The voltage signal of input is converted to data signal by AD conversion chip 122, and the data signal obtained after conversion is exported
To control module 123；Control module 123 is according to the Digital Signals water pump 130 plus water or stops adding water.
Optionally, control module 123 and water pump 130 plus taps be electrically connected with, control module 123 is according to data signal
When control plus taps closure, water pump 130 adds water to water receptacle 110；Control module 123 adds taps according to Digital Signals
During disconnection, water pump 130 stops to water receptacle 110 plus water.
In actual applications, in order that the weight of water receptacle 110 can be weighed by obtaining weighing sensor 121（Including water receptacle
110 and deposit water weight）, weighing sensor 121 is generally installed on base mechanism, is used to place the water capacity on the base mechanism
Device 110, namely in actual applications, water receptacle 110 is positioned on base mechanism, and weighing sensor is provided with base mechanism
121.In general, in order to ensure that what weighing sensor 121 weighed is the weight of water receptacle 110, on the weighing of weighing sensor 121
Surface directly contacts with the water receptacle 110 placed on the base unit.
A kind of implementation that weighing sensor 121 installs on the base unit may refer to shown in Fig. 3, left hand view（a）
To be provided with the schematic appearance of weighing sensor 121, right part of flg（b）To be provided with the schematic internal view of weighing sensor 121,
In Fig. 3, outer lead 31 and lead 37 on base mechanism generally comprise the electric wire being connected with water pump 130 and heater connects
The electric wire connect, and/or, add electric wire inside water controller etc..Weighing sensor 121 is installed by pilot hole 34 and glue 35
In base mechanism, pcb board 36 can position AD conversion chip 122, control module 123, or for AD conversion chip 122 and control
The surface-mounted integrated circuit that module 123 forms.
Optionally, weighing sensor 121 can be strain chip LOAD CELLS 121, and water receptacle is installed on weighing and sensing
On the deformation hole 32 of the elastomer of device 121, the elastomer 33 of strain gauge load cell 121（Flexible member or sensitive beam）In water
Elastic deformation is produced under the Action of Gravity Field of container 110, makes the resistance strain gage 38 for being pasted onto its surface（Conversion element）Also companion
It is deformed, after resistance strain gage 38 deforms, its resistance will change（Increase reduces）, then through corresponding measuring circuit handle
This resistance variations is converted to electric signal（Voltage or electric current）, so as to complete the process that external force is transformed to electric signal.It is optional
, the electric resistance structure of the resistance strain gage of weighing sensor 121 is the Wheatstone bridge formula bleeder circuit being made up of four resistance, such as
Shown in Fig. 4, including resistance R1, R2, R3 and R4, R1 are connected between R2 and R3, and R4 is connected between R2 and R3, between R1 and R2
Positive pole of the node as output voltage, negative pole of the node as output voltage between R3 and R4；Between R1 and R3
Positive pole of one node as supply voltage, negative pole of the node as supply voltage between R2 and R4.This weighing sensor
121 structure is simple, and the voltage signal exported can sensitively reflect measured weight.On it should be added that
It is only to show four resistance to state resistance R1, R2, R3 and R4, is not used to limit the sequence of resistance or resistance is refered in particular to, such as
Ra, Rb, Rc and Rd etc. can also be named as, is referred to shown in Fig. 2.
Element inside weighing sensor 121（Such as resistance strain gage, elastomer etc.）It may occur under the influence of high temperature
Deformation, therefore, when weighing sensor 121 is installed on base mechanism, generally control around after the installation of weighing sensor 121
Temperature be less than 40 degree.
In addition, weighing sensor 121 is the measurement of the weight progress to measured object, therefore in order to ensure the standard of measurement
True property, weighing sensor 121 can be installed in one plane, namely the installation surface of weighing sensor 121 is plane.
In a kind of possible implementation, AD conversion chip 122 can be arranged in insulation and obturation space, so may be used
To avoid the influence to AD conversion chip 122, extend the service life of AD conversion chip 122.
Easy full of beard and, AD conversion chip 122 can merge into a module with control module 123, namely after merging
Module both included the function of AD conversion chip 122, and include the function of control module 123, it is impossible to pass through AD conversion chip 122
Merging or separating type with control module 123 limit the protection domain of the application.
In a kind of possible implementation, control module 123 can be an independent module, and it can be realized to AD
The voltage signal that conversion chip 122 exports carries out digital conversion, can realize again and determine to correspond to according to the data signal after conversion
Control instruction, can also realize and control instruction is sent into feed pump 130 to control water pump 130 to perform corresponding operating.
Certainly, control module 123 can also be split as the combination of multiple functional units, in a kind of optional mode, control
Module 123 can include analytic unit 123a and control unit 123b, analytic unit 123a input and AD conversion chip 122
Output end be electrically connected with, analytic unit 123a output end and control unit 123b input are electrically connected with, control unit
123b output end adds taps to be electrically connected with water pump 130.Analytic unit 123a can determine that AD conversion chip 122 exports
Data signal corresponding to control instruction, control instruction is sent to control unit 123b, control unit 123b is according to control
Instruction control plus taps closure disconnect.
In general, the corresponding relation between data signal and control instruction, root can be prestored in analytic unit 123a
The data signal exported according to AD conversion chip 122, determines corresponding control instruction.Generally, data signal and control instruction
Between corresponding relation can according to the capacity of water receptacle, need plus the experiment in advance such as the water level of water or water determines.It is general next
Say, the water receptacle of different capabilities, or the electric kettle of different model, the weight of water receptacle may be different, although having identical
The water of weight, but measure it is important be probably different, the corresponding pass between its corresponding data signal and control instruction
System is also different, therefore when actually realizing, can be previously according to the specification of water receptacle and the suitable of setting plus water water level
Corresponding relation corresponding to the water receptacle between data signal and control instruction is determined to test.
Obviously, analytic unit 123a can also obtain the corresponding pass between storage data signal and control instruction from server
System, or, analytic unit 123a can obtain control instruction corresponding with data signal from server, can be advance in server
Store the corresponding relation between the data signal and control instruction of the electric kettle of various models.
Optionally, analytic unit 123a is obtaining the corresponding relation between storage data signal and control instruction from server
When, the corresponding relation identified with electric heater or water receptacle can be sent to server and obtains request, server is then to analysis
Unit 123a feeds back the corresponding relation between the data signal and control instruction related to the electric heater or water receptacle mark.
Optionally, analytic unit 123a, can be to clothes when obtaining control instruction corresponding with data signal from server
Business device sends to obtain with electric heater or the control instruction of water receptacle mark and data signal and asked, and server is then to analysis
Unit 123a feeds back control instruction corresponding with the data signal related to the electric heater or water receptacle mark.
In this application, the control instruction of analytic unit 123a determinations can at least include plus water instructs and/or stops adding
Water instruct, control unit 123b receive plus water instruction after, control water pump 130 perform plus water operation, such as control water pump 130
Plus taps closure, so as to control water pump 130 to add water to water receptacle；Control unit 123b is receiving stopping plus water instruction
Afterwards, control water pump 130 perform stop plus water operation, such as control water pump 130 plus taps disconnect, so as to cause water pump 130
Stop adding water to water receptacle.
Because weighing sensor 121 is in weighed vary in weight, different voltage can be exported, or it is different weighing
During object in weight range, voltage corresponding with weight range can be exported, therefore the voltage that exports of weighing sensor 121 can be with
For reflecting 121 weighed weight of weighing sensor.
For example, when the voltage that weighing sensor 121 exports is located at first voltage range, AD conversion chip 122 exports
The first data signal corresponding with the voltage, analytic unit 123a is according to the corresponding pass between the data signal to prestore and instruction
System, instruction corresponding with the first data signal is determined to add water instruction；The voltage that weighing sensor 121 exports is positioned at the second electricity
When pressing scope, AD conversion chip 122 exports the second data signal corresponding with the voltage, and analytic unit 123a is according to the number to prestore
Corresponding relation between word signal and instruction, instruction corresponding with the second data signal is determined to stop adding water instruction.
In general, in first voltage range voltage reflection water receptacle in water it is less, it is necessary to plus water, second voltage scope
Interior voltage is used to reflect that water is more in water receptacle, for example warp-wise water receptacle has added the water of a period of time to water pump 130, now then
Need to stop adding water.
Because weighing sensor 121 can sense the weight of weighed amount object, and electricity of the reflection to output in real time in real time
In pressure, therefore, weighing sensor 121 can export voltage corresponding with the weight of water receptacle 110 in real time.It is corresponding, control mould
Block 123 can also determine control instruction corresponding with the weight of water receptacle 110 in real time.
In summary, Intelligent electric kettle provided in an embodiment of the present invention, the water by weighing sensor to electric kettle
The weight of container measures, and exports corresponding with measured weight voltage signal, and is finally determined according to voltage signal pair
The control instruction answered, to control water pump to add water to water receptacle or stop adding water, can make water pump adds water opportunity or stopping plus water
Opportunity is determined by water in water receptacle, and then ensures that the perseverance of water in water receptacle is steady, avoids the dilutional hyponatremia or very few in water receptacle,
And then dry combustion method to water receptacle can be avoided or heated up water not thoroughly, it ensure that the safe to use of electric kettle.
Those skilled in the art will readily occur to the present invention its after considering specification and putting into practice the invention invented here
Its embodiment.The application be intended to the present invention any modification, purposes or adaptations, these modifications, purposes or
Person's adaptations follow the general principle of the present invention and the common knowledge in the art do not invented including the present invention
Or conventional techniques.Description and embodiments are considered only as exemplary, and true scope and spirit of the invention are by following
Claim is pointed out.
It should be appreciated that the invention is not limited in the precision architecture for being described above and being shown in the drawings, and
And various modifications and changes can be being carried out without departing from the scope.The scope of the present invention is only limited by appended claim.
Claims (10)
1. one kind plus water controller, it is characterised in that described plus water controller includes weighing sensor, analog digital A/D turns
Chip and control module are changed, wherein：
The weighing sensor is electrically connected with the AD conversion chip, and the quality conversion sensed is by the weighing sensor
Voltage signal, the voltage signal is exported to the AD conversion chip；
The AD conversion chip is connected with the control module, and the voltage signal of input is converted to numeral by the AD conversion chip
Signal, the data signal obtained after conversion is exported to the control module；
The control module is connected with water pump, the control module water pump water adding or stopping according to the Digital Signals
Add water.
2. according to claim 1 plus water controller, it is characterised in that described plus water controller also includes base machine
Structure, the weighing sensor are installed on the bottom of the base mechanism, are used to place the water for being used for being filled with water on the base mechanism
Container.
3. according to claim 1 plus water controller, it is characterised in that the temperature around after the weighing sensor installation
Degree is less than 40 degree.
4. according to claim 1 plus water controller, it is characterised in that the installation surface of the weighing sensor is flat
Face.
5. according to claim 1 plus water controller, it is characterised in that the AD conversion chip is arranged on insulation and obturation
In space.
6. according to claim 1 plus water controller, it is characterised in that the control module includes analytic unit and control
Unit processed, the analytic unit are electrically connected with described control unit, and described control unit adds taps electricity with the water pump
Property connection, the analytic unit determines the control instruction corresponding to the data signal of AD conversion chip output, by the control
Instruction processed is sent to described control unit, and described control unit is according to controlling the control instruction plus taps is closed or broken
Open.
7. according to claim 1 plus water controller, it is characterised in that the resistance strain gage of the weighing sensor is
The Wheatstone bridge formula bleeder circuit being made up of four resistance.
8. according to claim 6 plus water controller, it is characterised in that the control instruction bag that the analytic unit determines
Include plus water instruct and/or stops adding water instruction,
Described control unit controls the water pump to perform and adds water operation after the instruction of described plus water is received；
Described control unit controls the water pump to perform and stops adding water operation after the stopping plus water instruction is received.
9. according to claim 6 plus water controller, it is characterised in that the voltage of the weighing sensor output is used for
Reflect the weighed weight of the weighing sensor,
When the voltage of the weighing sensor output is located at first voltage range, the AD conversion chip output and the voltage pair
The first data signal answered, the analytic unit according to the corresponding relation between the data signal and instruction to prestore, determine with
Instruction corresponding to first data signal is plus water instructs；
When the voltage of the weighing sensor output is located at second voltage scope, the AD conversion chip output and the voltage pair
The second data signal answered, the analytic unit according to the corresponding relation between the data signal and instruction to prestore, determine with
Instruction corresponding to second data signal is stopping plus water instruction.
10. a kind of Intelligent electric kettle, it is characterised in that the Intelligent electric kettle includes being used for water receptacle, the water pump being filled with water
And adding water controller as described in any in claim 1 to 9, the weighing sensor added in water controller is used for
The weight of the water receptacle is weighed, the water pump is under the control of described plus water controller control module to the water receptacle
Add water or stop adding water to the water receptacle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711181124.4A CN107728660A (en) | 2017-11-23 | 2017-11-23 | Add water controller and Intelligent electric kettle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711181124.4A CN107728660A (en) | 2017-11-23 | 2017-11-23 | Add water controller and Intelligent electric kettle |
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| Publication Number | Publication Date |
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| CN107728660A true CN107728660A (en) | 2018-02-23 |
Family
ID=61218149
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| CN201711181124.4A Pending CN107728660A (en) | 2017-11-23 | 2017-11-23 | Add water controller and Intelligent electric kettle |
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