CN105433795A - Milk powder preparing machine - Google Patents
Milk powder preparing machine Download PDFInfo
- Publication number
- CN105433795A CN105433795A CN201510991799.XA CN201510991799A CN105433795A CN 105433795 A CN105433795 A CN 105433795A CN 201510991799 A CN201510991799 A CN 201510991799A CN 105433795 A CN105433795 A CN 105433795A
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- China
- Prior art keywords
- milk
- terminal
- lead
- coupled
- out terminal
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
- A47J31/00—Apparatus for making beverages
- A47J31/005—Portable or compact beverage making apparatus, e.g. for travelling, for use in automotive vehicles
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
- A47J31/00—Apparatus for making beverages
- A47J31/44—Parts or details or accessories of beverage-making apparatus
- A47J31/54—Water boiling vessels in beverage making machines
- A47J31/56—Water boiling vessels in beverage making machines having water-level controls; having temperature controls
Abstract
The invention provides a milk powder preparing machine. A shell is cylindrical, and the top of the shell is provided with a display screen and a rotary knob; a water supply cavity, milk powder cavities and a stirring cavity are formed in the shell; a boiling water cavity is formed the upper half portion of the water supply cavity, and a warm water cavity is formed in the lower half portion of the water supply cavity; each milk powder cavity comprises a quantitative supplying device; the stirring cavity is connected with the warm water cavity through a second electromagnetic valve and connected with discharging openings of the quantitative supplying devices through third electromagnetic valves, an electric motor is arranged at the top of the stirring cavity, an output shaft of the electric motor is connected with a stirring paddle through a coupling, the bottom of the stirring cavity is connected to a milk outlet in the shell through a fourth electromagnetic valve, a first heating rod is connected to an alternating current power source, a second heating rod is connected to the output end of an electric power conversion circuit, and the input end of the electric power conversion circuit is connected to the alternating current power source.
Description
Technical field
The present invention relates to electricity field, particularly a kind of milk-powder brewing machine.
Background technology
For neonatal father and mother, rush milk powder be one heavy and need careful work.Baby may have milk at any time, needs the boiling water punching preparing thermophilic at any time to release, if milk coolant-temperature gage is too high, can destroys lactalbumin structure in milk powder, cause milk powder nutrition leak; If milk coolant-temperature gage is too low, milk powder dissolves insufficient, causes baby to absorb not, even there will be the situation that stomach is suffered from cold; If milk excessive concentration, except babies being caused to having indigestion, fever, the sodium ion in milk powder cannot dilute, and causes baby's brain capillary rupture, can affect infant intelligence and grow time serious; If milk water concentration is inadequate, protein content deficiency will cause again infant nutrition bad, and physique is poor.
Manually carry out rushing milk to be difficult to accomplish accurate control to temperature and concentration, and need the regular hour to prepare, a lot of time can be expended.
Summary of the invention
The present invention proposes a kind of milk-powder brewing machine, solve in prior art manually rush milk be difficult to temperature and concentration are accurately controlled and time-consuming problem.
Technical scheme of the present invention is achieved in that
A kind of milk-powder brewing machine, shell is cylindrical, cover top portion be provided with for display system data display screen and the knob rushing milk amount is set; Enclosure is provided with columniform to water cavity, milk powder chamber and stir chamber; The described first half giving water cavity is boiling water chamber, Lower Half is warm water chamber, the first temperature inductor, the first water level sensor and the first heating rod is provided with in boiling water chamber, be provided with the second temperature inductor, the second water level sensor and the second heating rod in warm water chamber, be connected by the first magnetic valve between boiling water chamber and warm water chamber; Described milk powder chamber comprises for the weigh feeder to milk powder measurement; Described stir chamber is connected with described warm water chamber by the second magnetic valve, be connected with the discharging opening of described weigh feeder by the 3rd magnetic valve, the top of stir chamber is provided with motor, the output shaft of motor is connected with paddle by shaft coupling, and the bottom of stir chamber is connected to the milk outlet on described shell by the 4th magnetic valve; Described display screen, knob, the first temperature inductor, the first water level sensor, the second temperature inductor, the second water level sensor, the first magnetic valve, the second magnetic valve, the 3rd magnetic valve, the 4th magnetic valve, weigh feeder and motor are connected to controller, described first heating rod is connected to AC power, described second heating rod is connected to the output of power transformation circuit, and the input of power transformation circuit is connected to described AC power;
Described power transformation circuit comprises:
Input port, receives input voltage;
Output port, provides output voltage;
Intermediate node;
Input inductor and sampling resistor, be coupled in series between input port and intermediate node;
First power switch, is coupled between intermediate node and reference ground;
Second power switch, is coupled between intermediate node and output port;
Output capacitor, is coupled between output port and reference ground;
Operational amplifier, has first input end, the second input terminal and lead-out terminal, and its first input end and the second input terminal are connected across sampling resistor two ends, its lead-out terminal generation current sampled signal;
Feedback component, is coupled to output port and receives output voltage, and produce the feedback voltage of reflection output voltage;
Voltage comparator, has in-phase input end, inverting input and lead-out terminal, its inverting input threshold level voltage, and its in-phase input end is coupled to feedback component and receives feedback voltage, and its lead-out terminal produces voltage comparison signal;
Error comparator, has in-phase input end, inverting input and lead-out terminal, and its in-phase input end receives reference voltage, and its inverting input is coupled to feedback component and receives feedback voltage, and its lead-out terminal produces error amplification signal;
Clamper, is coupled between the lead-out terminal of error amplifier and reference ground;
First logic switch, has the first terminal, the second terminal and control terminal, and the lead-out terminal that its first terminal is coupled to error amplifier receives error amplification signal, and its control terminal is coupled to the lead-out terminal receiver voltage comparison signal of voltage comparator;
Second logic switch, have the first terminal, the second terminal and control terminal, its first terminal couples current peak signal, and its control terminal is coupled to the lead-out terminal receiver voltage comparison signal of voltage comparator;
Current comparator, there is in-phase input end, inverting input and lead-out terminal, its in-phase input end is coupled to the lead-out terminal received current sampled signal of operational amplifier, its inverting input is coupled to the second terminal of the first logic switch and the second terminal of the second logic switch, its lead-out terminal generation current comparison signal;
Control and drive circuit, be coupled to the lead-out terminal received current comparison signal of current comparator, and based on electric current comparison signal, produce two-way power switch drive singal, to control the break-make of the first power switch and the second power switch.
Alternatively, milk-powder brewing machine of the present invention also comprises the lithium battery being connected to described power transformation circuit output.
Alternatively, described shell is also provided with the USB interface be connected with described lithium battery.
Alternatively, described controller is dsp processor.
Alternatively, the below of described shell milk outlet is provided with tank, and sink top is installed and slipped through the net.
Alternatively, described cover top portion is also provided with LED.
Alternatively, the quantity in described milk powder chamber is multiple.
Alternatively, the rotating disk of described knob clockwise on be disposed with scale 0,3,6,9,12,15,18,21.
Alternatively, the top of described shell is also provided with handle.
The invention has the beneficial effects as follows:
(1) accurately can control the temperature of milk and concentration, save the time;
(2) the normal use of going out when carrying can be ensured by additional lithium battery.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the perspective view of a milk-powder brewing machine of the present invention embodiment;
Fig. 2 is the plan structure schematic diagram of a milk-powder brewing machine of the present invention embodiment;
Fig. 3 is the control circui block diagram of a milk-powder brewing machine of the present invention embodiment;
Fig. 4 is the structural representation of knob in Fig. 1;
Fig. 5 is the perspective view of another embodiment of milk-powder brewing machine of the present invention;
Fig. 6 is the control circui block diagram of another embodiment of milk-powder brewing machine of the present invention;
Fig. 7 is the circuit diagram of power transformation circuit of the present invention.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
As shown in Figure 1 to Figure 3, according to an embodiment of milk-powder brewing machine of the present invention, the shell 10 of milk-powder brewing machine is cylindrical, shell 10 top be provided with for display system data display screen 11 and the knob 12 rushing milk amount is set, display screen 11 indication example as water temperature, water outlet, go out the status information such as milk, lack of water, in Fig. 1, the shape of display screen 11 is only schematic, and those skilled in the art can be designed to arbitrary shape to realize effect attractive in appearance.Shell 10 inside is provided with columniform to water cavity 20, milk powder chamber 30 and stir chamber 40, be boiling water chamber 21 to the first half of water cavity 20, Lower Half is warm water chamber 26, the first temperature inductor 22 is provided with in boiling water chamber 21, first water level sensor 23 and the first heating rod 24, first temperature inductor 22 detects the water temperature in boiling water chamber 21, export the first water temperature signal to controller 50, ensure that water temperature reaches 100 degrees Celsius and maintains a period of time, first water level sensor 23 detects boiling water chamber 21 middle water level, at water level lower than sending the first signal of water shortage during lowest water level to controller 50, first heating rod 24 is connected to AC power 60, can ensure water completely boiled, the second temperature inductor 27 is provided with in warm water chamber 26, second water level sensor 28 and the second heating rod 29, second temperature inductor 27 detects the water temperature in warm water chamber, export the second water temperature signal to controller 50, second water level sensor 28 detects warm water chamber 26 middle water level, at water level lower than sending the second signal of water shortage during lowest water level to controller 50, second heating rod 29 is connected to the output of power transformation circuit 61, the input of power transformation circuit 61 is connected to AC power 60, the power of the second heating rod 29 is lower than the power of the first heating rod 24, ensure that water temperature maintains 40-50 degree Celsius, when the water temperature in warm water chamber 26 is higher than 50 degrees Celsius, second heating rod 29 stops heating, when water temperature in warm water chamber is lower than 40 degrees Celsius, second heating rod 29 starts heating, be connected by the first magnetic valve 25 between boiling water chamber 21 and warm water chamber 26, when controller 50 receives the second signal of water shortage, open the first magnetic valve 25, boiling water flow into warm water chamber 26 from boiling water chamber 21, when controller 50 receives the first signal of water shortage, display screen 11 shows lack of water information.Milk powder chamber 30 comprises for the weigh feeder 31 to milk powder measurement, and weigh feeder 31 can adopt the existing device measured powder.Stir chamber 40 is connected with warm water chamber 26 by the second magnetic valve 41, be connected with the discharging opening of weigh feeder 31 by the 3rd magnetic valve 42, the top of stir chamber 40 is provided with motor 43, the output shaft of motor 43 is connected with paddle by shaft coupling, and the bottom of stir chamber 40 is connected to the milk outlet 13 on shell 10 by the 4th magnetic valve 45; Above-mentioned display screen 11, knob 12, first temperature inductor 22, first water level sensor 23, second temperature inductor 27, second water level sensor 28, first magnetic valve 25, second magnetic valve 41, the 3rd magnetic valve 42, the 4th magnetic valve 45, weigh feeder 31 and motor 43 are connected to controller 50, and such as controller 50 can be the controller that dsp processor, arm processor or single-chip microcomputer etc. have signal processing function.
As shown in Figure 4, the clockwise direction of knob rotating disk is disposed with scale 0,3,6,9,12,15,18,21, representing out milk amount is respectively 0ml, 30ml, 60ml, 90ml, 120ml, 150ml, 180ml, 210ml and 240ml, and wherein 0 scale also represents out milk amount is 240ml.In Fig. 4, the shape of turn-knob is only schematic, and those skilled in the art can be designed to any suitable shape, to realize out the function that milk amount is arranged.
As shown in Figure 5 and Figure 6, another embodiment of milk-powder brewing machine of the present invention is except comprising all parts in above-described embodiment, also comprise: the lithium battery 62 being connected to power transformation circuit 61 output, shell 10 is also provided with the USB interface 63 be connected with lithium battery 62, when needs go out to carry, system power supply can be given by lithium battery 62, water temperature in warm water chamber 26 is maintained 40-50 degree Celsius, when lithium battery 62 electricity is not enough, can be charged by the circuit of vehicle power or other and usb compatible; On shell 10, the below of milk outlet 13 is provided with tank 14, and sink top is installed and slipped through the net 15, and the water capacity of tank 14 is at least 200ml, can not pollute other objects when ensureing that milk overflows; Shell 10 top is also provided with LED, position instruction when using for night; The quantity in milk powder chamber can be multiple, can hold the milk powder of multiple brand, select with the health according to baby; The top of shell 10 is also provided with handle 16, carries when conveniently going out.
As shown in Figure 7, power transformation circuit 100 of the present invention comprises: input port 101, receives input voltage vin; Output port 102, provides output voltage Vo; Intermediate node 103; Input inductor 104 and sampling resistor 105, be coupled in series between input port 101 and intermediate node 103; First power switch 106, is coupled between intermediate node 103 and reference ground; Second power switch 107, is coupled between intermediate node 103 and output port 102; Output capacitor 108, is coupled between output port 102 and reference ground; Operational amplifier 109, has first input end, the second input terminal and lead-out terminal, and its first input end and the second input terminal are connected across sampling resistor 105 two ends, its lead-out terminal generation current sampled signal Isen; Feedback component 110, is coupled to output port 102 and receives output voltage Vo, and produces the feedback voltage Vfb of reflection output voltage Vo; Voltage comparator 111, has in-phase input end, inverting input and lead-out terminal, its inverting input threshold level voltage Vth, and its in-phase input end is coupled to feedback component 110 and receives feedback voltage Vfb, and its lead-out terminal produces voltage comparison signal; Error comparator 119, has in-phase input end, inverting input and lead-out terminal, and its in-phase input end receives reference voltage Vref, and its inverting input is coupled to feedback component 110 and receives feedback voltage Vfb, and its lead-out terminal produces error amplification signal Vc; Clamper 112, is coupled between the lead-out terminal of error amplifier 119 and reference ground; First logic switch 113, there is the first terminal, the second terminal and control terminal, the lead-out terminal that its first terminal is coupled to error amplifier 119 receives error amplification signal Vc, and its control terminal is coupled to the lead-out terminal receiver voltage comparison signal of voltage comparator 111; Second logic switch 114, have the first terminal, the second terminal and control terminal, its first terminal couples current peak signal Ilim, and its control terminal is coupled to the lead-out terminal receiver voltage comparison signal of voltage comparator 111; Current comparator 115, there is in-phase input end, inverting input and lead-out terminal, its in-phase input end is coupled to the lead-out terminal received current sampled signal Isen of operational amplifier 109, its inverting input is coupled to the second terminal of the first logic switch 113 and the second terminal of the second logic switch 114, its lead-out terminal generation current comparison signal; Control and drive circuit 116, be coupled to the lead-out terminal received current comparison signal of current comparator 115, and based on electric current comparison signal, produce two-way power switch drive singal, to control the break-make of the first power switch 106 and the second power switch 107.
Milk-powder brewing machine of the present invention accurately can control the temperature of milk and concentration, has saved the time; And the normal use of going out when carrying can be ensured by additional lithium battery.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (9)
1. a milk-powder brewing machine, is characterized in that, shell is cylindrical, cover top portion be provided with for display system data display screen and the knob rushing milk amount is set; Enclosure is provided with columniform to water cavity, milk powder chamber and stir chamber;
The described first half giving water cavity is boiling water chamber, Lower Half is warm water chamber, the first temperature inductor, the first water level sensor and the first heating rod is provided with in boiling water chamber, be provided with the second temperature inductor, the second water level sensor and the second heating rod in warm water chamber, be connected by the first magnetic valve between boiling water chamber and warm water chamber;
Described milk powder chamber comprises for the weigh feeder to milk powder measurement;
Described stir chamber is connected with described warm water chamber by the second magnetic valve, be connected with the discharging opening of described weigh feeder by the 3rd magnetic valve, the top of stir chamber is provided with motor, the output shaft of motor is connected with paddle by shaft coupling, and the bottom of stir chamber is connected to the milk outlet on described shell by the 4th magnetic valve;
Described display screen, knob, the first temperature inductor, the first water level sensor, the second temperature inductor, the second water level sensor, the first magnetic valve, the second magnetic valve, the 3rd magnetic valve, the 4th magnetic valve, weigh feeder and motor are connected to controller, described first heating rod is connected to AC power, described second heating rod is connected to the output of power transformation circuit, and the input of power transformation circuit is connected to described AC power;
Described power transformation circuit comprises:
Input port, receives input voltage;
Output port, provides output voltage;
Intermediate node;
Input inductor and sampling resistor, be coupled in series between input port and intermediate node;
First power switch, is coupled between intermediate node and reference ground;
Second power switch, is coupled between intermediate node and output port;
Output capacitor, is coupled between output port and reference ground;
Operational amplifier, has first input end, the second input terminal and lead-out terminal, and its first input end and the second input terminal are connected across sampling resistor two ends, its lead-out terminal generation current sampled signal;
Feedback component, is coupled to output port and receives output voltage, and produce the feedback voltage of reflection output voltage;
Voltage comparator, has in-phase input end, inverting input and lead-out terminal, its inverting input threshold level voltage, and its in-phase input end is coupled to feedback component and receives feedback voltage, and its lead-out terminal produces voltage comparison signal;
Error comparator, has in-phase input end, inverting input and lead-out terminal, and its in-phase input end receives reference voltage, and its inverting input is coupled to feedback component and receives feedback voltage, and its lead-out terminal produces error amplification signal;
Clamper, is coupled between the lead-out terminal of error amplifier and reference ground;
First logic switch, has the first terminal, the second terminal and control terminal, and the lead-out terminal that its first terminal is coupled to error amplifier receives error amplification signal, and its control terminal is coupled to the lead-out terminal receiver voltage comparison signal of voltage comparator;
Second logic switch, have the first terminal, the second terminal and control terminal, its first terminal couples current peak signal, and its control terminal is coupled to the lead-out terminal receiver voltage comparison signal of voltage comparator;
Current comparator, there is in-phase input end, inverting input and lead-out terminal, its in-phase input end is coupled to the lead-out terminal received current sampled signal of operational amplifier, its inverting input is coupled to the second terminal of the first logic switch and the second terminal of the second logic switch, its lead-out terminal generation current comparison signal;
Control and drive circuit, be coupled to the lead-out terminal received current comparison signal of current comparator, and based on electric current comparison signal, produce two-way power switch drive singal, to control the break-make of the first power switch and the second power switch.
2. milk-powder brewing machine as claimed in claim 1, is characterized in that, also comprise the lithium battery being connected to described power transformation circuit output.
3. milk-powder brewing machine as claimed in claim 2, is characterized in that, described shell is also provided with the USB interface be connected with described lithium battery.
4. milk-powder brewing machine as claimed in claim 1, it is characterized in that, described controller is dsp processor.
5. milk-powder brewing machine as claimed in claim 1, it is characterized in that, the below of described shell milk outlet is provided with tank, and sink top is installed and slipped through the net.
6. milk-powder brewing machine as claimed in claim 1, it is characterized in that, described cover top portion is also provided with LED.
7. milk-powder brewing machine as claimed in claim 1, it is characterized in that, the quantity in described milk powder chamber is multiple.
8. milk-powder brewing machine as claimed in claim 1, is characterized in that, the rotating disk clockwise direction of described knob is disposed with scale 0,3,6,9,12,15,18,21.
9. milk-powder brewing machine as claimed in claim 1, it is characterized in that, the top of described shell is also provided with handle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510991799.XA CN105433795A (en) | 2015-12-25 | 2015-12-25 | Milk powder preparing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510991799.XA CN105433795A (en) | 2015-12-25 | 2015-12-25 | Milk powder preparing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105433795A true CN105433795A (en) | 2016-03-30 |
Family
ID=55544769
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510991799.XA Pending CN105433795A (en) | 2015-12-25 | 2015-12-25 | Milk powder preparing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105433795A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101242801A (en) * | 2005-08-12 | 2008-08-13 | 河政逵 | Milk powder concocting device for suckling |
| CN103036426A (en) * | 2012-12-11 | 2013-04-10 | 青岛联盟电子仪器有限公司 | Peak current gradient synchronous booster circuit |
| CN203709835U (en) * | 2012-10-22 | 2014-07-16 | 彼耶纳有限公司 | Milk powder distributor |
| CN104026984A (en) * | 2014-05-27 | 2014-09-10 | 葛艳 | Automatic milk powder brewing machine |
| WO2015142273A1 (en) * | 2014-03-19 | 2015-09-24 | Jprt Förvaltning Ab | Automated apparatus and method for preparing therein a nutritious drink of powder and water |
-
2015
- 2015-12-25 CN CN201510991799.XA patent/CN105433795A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101242801A (en) * | 2005-08-12 | 2008-08-13 | 河政逵 | Milk powder concocting device for suckling |
| CN203709835U (en) * | 2012-10-22 | 2014-07-16 | 彼耶纳有限公司 | Milk powder distributor |
| CN103036426A (en) * | 2012-12-11 | 2013-04-10 | 青岛联盟电子仪器有限公司 | Peak current gradient synchronous booster circuit |
| WO2015142273A1 (en) * | 2014-03-19 | 2015-09-24 | Jprt Förvaltning Ab | Automated apparatus and method for preparing therein a nutritious drink of powder and water |
| CN104026984A (en) * | 2014-05-27 | 2014-09-10 | 葛艳 | Automatic milk powder brewing machine |
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Application publication date: 20160330 |
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