CN109744902B - Food processor with anti-overflow function - Google Patents
Food processor with anti-overflow function Download PDFInfo
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- CN109744902B CN109744902B CN201711426114.2A CN201711426114A CN109744902B CN 109744902 B CN109744902 B CN 109744902B CN 201711426114 A CN201711426114 A CN 201711426114A CN 109744902 B CN109744902 B CN 109744902B
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- overflow electrode
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- 235000013305 food Nutrition 0.000 title claims abstract description 27
- 238000003756 stirring Methods 0.000 claims abstract description 27
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- 229910052751 metal Inorganic materials 0.000 claims description 56
- 238000001514 detection method Methods 0.000 claims description 30
- 239000004020 conductor Substances 0.000 claims description 9
- 238000007789 sealing Methods 0.000 claims description 6
- 238000002360 preparation method Methods 0.000 claims description 4
- 230000002265 prevention Effects 0.000 claims 2
- 238000010438 heat treatment Methods 0.000 abstract description 41
- 238000012545 processing Methods 0.000 abstract description 5
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- 239000007788 liquid Substances 0.000 description 16
- 230000005611 electricity Effects 0.000 description 12
- 239000000463 material Substances 0.000 description 12
- 238000009434 installation Methods 0.000 description 11
- 230000005540 biological transmission Effects 0.000 description 10
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
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- 238000000034 method Methods 0.000 description 3
- 210000004911 serous fluid Anatomy 0.000 description 3
- 244000273256 Phragmites communis Species 0.000 description 2
- 235000014676 Phragmites communis Nutrition 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 239000012141 concentrate Substances 0.000 description 2
- 230000009977 dual effect Effects 0.000 description 2
- 238000009775 high-speed stirring Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000001174 ascending effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
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Abstract
The invention discloses a food processing machine with an anti-overflow function, which comprises a machine base with a motor and a main control board, and a stirring cup arranged on the machine base, wherein the stirring cup comprises a cup body and a cup cover, a handle is arranged on the cup body, a crushing cutter is arranged in the cup body, the motor drives the crushing cutter to rotate, an electromagnetic coil panel is arranged at the upper end of the machine base, a magnetic conduction heating panel corresponding to the electromagnetic coil panel is arranged at the lower end of the cup body, an anti-overflow device is arranged on the cup cover, the anti-overflow device comprises a first anti-overflow electrode, a second anti-overflow electrode and a conductive body, the first anti-overflow electrode and the second anti-overflow electrode are both arranged on the cup cover, a conductive piece is arranged on the handle, and the first anti-overflow electrode and the second anti-overflow electrode are respectively connected with the main control board through the conductive body and the conductive piece. Adopt above-mentioned scheme to realize the anti-overflow effect under electromagnetic heating's prerequisite.
Description
Technical Field
The invention relates to the field of food processing, in particular to a food processing machine with an anti-overflow function.
Background
The existing food processor comprises a base and a stirring cup, in order to realize the preparation of hot drinks, the lower end of the stirring cup is generally provided with a heating disc, thereby realizing the heating function of the stirring cup, but the heating disc needs to be electrified, in addition, the transmission of weak electric signals such as a temperature sensor is also needed, therefore, the whole stirring cup is provided with an electrified circuit, a coupler is arranged through the base and the stirring cup, the power supply is realized, so that the weight of the whole stirring cup is increased, and the whole stirring cup can not be washed by water, an anti-overflow electrode is arranged on a cup cover which is generally adopted by the food processor, a circuit board is communicated with a motor base through a handle, slurry in the heating process extends upwards, the anti-overflow electrode is touched, so that the slurry is equivalent to conduct the heating disc and the anti-overflow electrode, and a complete loop is formed by the circuit board.
In order to solve the above problems, the prior art also discloses an electromagnetic heating type food processor, the dish that will generate heat is replaced with magnetic conduction metal disc, then set up the electromagnetic wire coil on the frame, give magnetic conduction dish heating through electromagnetic heating's principle, thereby heat the edible material in the stirring cup, such advantage lies in, there is not electrified part in whole stirring cup, only one metal disc and electromagnetic heating, can wash by whole body, and weight ratio is light originally, but because the metal disc is uncharged and the circuit board has linked to each other, consequently can't form the return circuit under the effect of thick liquid, thereby the principle of original anti-overflow electrode can't be realized.
Disclosure of Invention
The invention aims to provide an electromagnetic heating type food processor with an anti-overflow function. In order to solve the technical problem, the application provides a food processor with an anti-overflow function, which comprises a base with a motor and a main control board, and a stirring cup arranged on the base, wherein the stirring cup comprises a cup body and a cup cover, a handle is arranged on the cup body, a crushing knife is arranged in the cup body, the motor drives the crushing knife to rotate, an electromagnetic coil panel is arranged at the upper end of the base, a magnetic conductive heating panel corresponding to the electromagnetic coil panel is arranged at the lower end of the cup body, an anti-overflow device is arranged on the cup cover, wherein the anti-overflow device comprises a first anti-overflow electrode, a second anti-overflow electrode and a conductive body, the first anti-overflow electrode and the second anti-overflow electrode are both arranged on the cup cover, a conductive piece is arranged on the handle, the first anti-overflow electrode and the second anti-overflow electrode are respectively connected with the main control board through the conductive piece and the conductive piece, one end of the first anti-overflow electrode and one end of the second anti-overflow electrode are respectively embedded into the cup cover, the other end of the cup body is respectively suspended and extends into the cup body, one of the first anti-overflow electrode and the second anti-overflow electrode is arranged at the center of the cup cover in a deviating mode, and the first anti-overflow electrode and the second anti-overflow electrode are conducted through heated and then rise slurry and trigger an anti-overflow signal.
Preferably, first anti-overflow electrode and second anti-overflow electrode are rodlike and vertical setting, and the bowl cover roof down extends and forms two hollow insulation cover, and first anti-overflow electrode and second anti-overflow electrode inlay respectively to adorn and set up in two hollow insulation cover.
Preferably, the outside protrusion in one side of bowl cover forms the mount pad, the mount pad is located the handle top, the electric conductor includes first wire, second wire, first contact pin and second contact pin, and first wire one end links with first anti-overflow electrode electricity, and other one end links with first contact pin electricity, and second wire one end links with second anti-overflow electrode electricity, and other one end links with second contact pin electricity, and first contact pin and second contact pin are located the mount pad lower extreme.
Preferably, the conductive member includes a first socket, a second socket, a third wire and a fourth wire, the third wire and the fourth wire are located in the handle, and the first socket and the second socket are located at the upper end of the handle and are respectively matched with the first contact pin and the second contact pin; one end of the third wire is electrically connected with the first socket, and the other end of the third wire is electrically connected with the main control board; one end of the fourth wire is electrically connected with the second socket, and the other end of the fourth wire is electrically connected with the main control board.
Preferably, the lower end of the cup body is provided with an upper wireless coupler, the upper end of the base is provided with a lower wireless coupler which is in wireless power-on fit with the upper wireless coupler, the upper wireless coupler is electrically connected with the third lead and the fourth lead, and the lower wireless coupler is electrically connected with the main control board.
Preferably, the upper wireless coupler comprises an upper circuit board and an upper coil, and the upper coil is positioned below the upper circuit board; the lower wireless coupler comprises a lower circuit board and a lower coil, and the lower coil is positioned above the upper circuit board; the upper wireless coupler is arranged at the lower end of the cup body in a sealing manner, and the lower wireless coupler is arranged at the upper end of the machine base in a sealing manner.
Preferably, the anti-overflow device further comprises a first transverse metal piece and a second transverse metal piece which are embedded in the top wall of the cup cover, and a first vertical metal piece and a second vertical metal piece which are positioned in the mounting seat; one end of the first transverse metal piece is electrically connected with the first anti-overflow electrode, and the other end of the first transverse metal piece is electrically connected with the first vertical metal piece; one end of the second transverse metal piece is electrically connected with the second anti-overflow electrode, and the other end of the second transverse metal piece is electrically connected with the second vertical metal piece; the first vertical metal piece is electrically connected with the first lead, and the second vertical metal piece is electrically connected with the second lead.
Preferably, the anti-overflow device still includes detection resistor, and detection resistor one end links to each other with first anti-overflow electrode, and the other end links to each other with second anti-overflow electrode, still be equipped with uncap detection circuitry on the main control board, uncap detection circuitry discernment detection resistor to judge whether the bowl cover is installed in place.
Preferably, a feed inlet is formed in the cup cover, the feed inlet extends downwards to form a feed channel, the first anti-overflow electrode and the second anti-overflow electrode are symmetrically arranged on the periphery of the feed channel, the distance between the first anti-overflow electrode and the second anti-overflow electrode and the inner wall of the feed channel is K, and K is larger than or equal to 10 mm.
Preferably, the first anti-overflow electrode and the second anti-overflow electrode are both sheet-shaped; or the first anti-overflow electrode and the second anti-overflow electrode are both metal rings and are coaxially arranged in the same plane; or the first anti-overflow electrode and the second anti-overflow electrode are both metal rings and are arranged in a vertically staggered manner.
The invention has the beneficial effects that:
1. the double anti-overflow electrodes are arranged on the electromagnetic heating structure, so that the anti-overflow principle is changed, the slurry and the magnetic conductive heating disc are not required to be used as a conductive loop, but the slurry is directly communicated with the double anti-overflow electrodes, and therefore, the magnetic conductive heating disc is not required to be used as a necessary factor of the conductive loop, a conductive part is not required to be arranged, the magnetic conductive heating disc is not required to be connected with a main control board, strong and weak currents are not required, the strong and weak currents cannot interfere with each other, the whole-body washing of the stirring cup can be realized, the overall mass is reduced compared with the heating disc, the stirring cup is lightened, and the use by a user is facilitated; and first anti-overflow electrode and second anti-overflow electrode possess certain clearance for the thick liquid need touch first anti-overflow electrode and second anti-overflow electrode simultaneously and just trigger the anti-overflow, has guaranteed the reliability of anti-overflow, has avoided the existence of false anti-overflow. Through embedding the cup cover is arranged, the mounting structure is simple, the cleaning is convenient, redundant parts are not needed for cleaning, and the cup can be directly washed. The first anti-overflow electrode and the second anti-overflow electrode are arranged in a deviated center, so that in the process of high-speed rotation, the first anti-overflow electrode and the second anti-overflow electrode can be automatically washed due to high-speed vortex, the pollution of adhesion of materials to the anti-overflow electrode is avoided, and the anti-overflow is more accurate in the heating stage. The principle that the other two anti-overflow electrodes are conducted and electrified also avoids the problem that food materials are adhered to the side wall of the single anti-overflow electrode, so that the anti-overflow is triggered by mistake.
2. Be rodlike through first anti-overflow electrode and second anti-overflow electrode, and stretch into inside the cup, thick liquid or foam have been guaranteed at the in-process that rises, can contact two anti-overflow electrodes earlier under the prerequisite of not contacting the bowl cover roof, and let two anti-overflow electrodes form the return circuit, the timely triggering of anti-overflow signal has been guaranteed, because anti-overflow signal transmission reaches the main control board, the main control board stops the heating again, the magnetic conduction heating plate can be because thermal inertia can have the delay, consequently just trigger often late when just meeting the bowl cover roof, the above-mentioned condition has been avoided to this scheme, make the anti-overflow more reliable, through two integrative cavity insulation cover, the stable installation of two anti-overflow electrode structure has been guaranteed on the one hand, the interference of pollution and signal has been avoided on the other hand.
3. Through the setting of mount pad, make first wire and second wire in the installation cavity, avoided exposing, make the conducted signal more accurate, avoided external pollution including quality of water, under electromagnetic heating's prerequisite, the handle is walked through two ways to the signal, need not to stir the cup and set up signal transmission route alone again, make the structure succinct more, first contact pin and second contact pin expose the setting, make handle and bowl cover location more reliable, guaranteed the synchronism of assembly and biography electricity.
4. Through the cooperation of socket and contact pin for the bowl cover is rotatory after targetting in place, is connected electrically conductively with the handle cooperation, and contact pin and socket insert the cooperation from the side respectively and are electrically conductive, and make conducted signal and bowl cover lid close and go on in step, the transmission of electrically conductive signal, noninterference between the two way signals all directly with main control board transmission connection, guaranteed safe and reliable.
5. Through the cooperation of last wireless coupler and lower wireless coupler, realize the wireless transmission of anti-overflow switch-on signal to make whole stirring cup under the prerequisite of realizing anti-overflow and heating, do not all have any electrified part, can wash whole body, thereby solved current food preparation machine, the abluent problem of aquatic can not get into completely to the stirring cup of heating, has guaranteed the dual set of washing and biography electric function, and the transmission is more reliable, also need not to have on the frame to expose a cooperation.
6. Through inlaying of horizontal metalwork and vertical metalwork dress for the installation of the conductor wire of first anti-overflow electrode and second anti-overflow electrode is more reliable, can not be triggered by mistake with the thick liquid contact in the cup, and with the cooperation of the top wall and the lateral part wall of bowl cover, integrated into one piece has made things convenient for processing, has guaranteed structural reliability and anti-overflow reliability, makes the bowl cover also can be whole body washing.
7. Through detection resistance and first anti-overflow electrode and the cooperation of second anti-overflow electrode, detect the outage of uncapping, cancel the detection mode that the section outage that uncaps of original connecting rod formula detected and magnet control formula for it is lower to uncap the outage detection cost, and the structure is simpler, and utilized current two anti-overflow electrode circuit, has optimized circuit structure greatly, makes the anti-overflow and the outage of uncapping can general one set of detecting system, has avoided the complicacy and not accurate of two sets of systems.
8. Through first anti-overflow electrode and second anti-overflow electrode symmetry setting in the periphery of throwing the material passageway for when the thick liquid is stirred, central point puts and can form sunkenly, the thick liquid mainly concentrates on the inner wall on bowl cover both sides, two anti-overflow electrodes distribute liquid center both sides, eat the material and hardly link two electrodes, thereby avoided polluting and the production of the phenomenon of false anti-overflow, when K is less than 10mm, the distance is too near, when high-speed stirring, anti-overflow electrode and throw and take place to link easily between the material passageway inner wall, cause the anti-overflow inefficacy.
Drawings
FIG. 1 is a schematic view of a food processor according to the present invention;
FIG. 2 is an exploded view of the lid of the present invention;
FIG. 3 is a cross-sectional view of the lid of the present invention;
FIG. 4 is a perspective cross-sectional view of the lid of the present invention;
FIG. 5 is a block diagram of the upper and lower wireless couplers of the present invention;
FIG. 6 is a block diagram of the blender cup of the present invention;
FIG. 7 is a schematic view of the anti-overflow structure of the present invention;
FIG. 8 is a circuit diagram of the food processor of the present invention;
fig. 9 is a bottom view of the cup cover in the second embodiment of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the following drawings and specific examples.
The first embodiment is as follows:
a food processor with an anti-overflow function is disclosed, the embodiment is a wall breaking machine, as shown in fig. 1-6, the food processor comprises a base 3 with a motor 1 and a main control board 2, a stirring cup 4 arranged on the base 3, the stirring cup 4 comprises a cup body 41 and a cup cover 42, a handle 43 is arranged on the cup body 41, a crushing knife 44 is arranged in the cup body 41, the cup body 41 comprises a glass cup body 411 and a plastic cup base 412, the upper opening and the lower opening of the glass cup body 411 are arranged and arranged on the plastic cup base, the motor 1 drives the crushing knife 44 to rotate, an electromagnetic coil panel 5 is arranged at the upper end of the base 3, a magnetic conduction heating panel 6 corresponding to the electromagnetic coil panel is arranged at the lower end of the cup body 41, the magnetic conduction heating panel 6 is a metal panel, the magnetic conduction heating panel seals the lower opening of the glass cup body 41, the magnetic conduction heating panel is clamped by the glass cup body 41 and the plastic cup base, an anti-overflow device is arranged on the cup cover 42, the anti-overflow device comprises a first anti-overflow electrode 7, a second anti-overflow electrode 8 and a conductor, the first anti-overflow electrode and the second anti-overflow electrode are both arranged on the cup cover 42, a conductor is arranged on the handle 43, the first anti-overflow electrode and the second anti-overflow electrode are respectively and electrically connected with the main control board 2 through the conductor and the conductor, and the electrical connection comprises wired electrical connection or wireless electrical connection; in the embodiment, one end of the first anti-overflow electrode and one end of the second anti-overflow electrode are respectively embedded into the cup cover, the other end of the first anti-overflow electrode and the other end of the second anti-overflow electrode are respectively suspended and extend into the cup body, one of the first anti-overflow electrode and the second anti-overflow electrode is arranged to deviate from the center of the cup cover, the cross section of the cup cover is circular, the center of the cup cover refers to the circle center, if the cross section of the cup cover is square, the center of the cup cover is also the square center, the first anti-overflow electrode and the second anti-overflow electrode of the cup cover are conducted and trigger an anti-overflow signal through heated and then ascending serous fluid, the anti-overflow signal is triggered through serous fluid and a heating disc in the prior art, so that the triggering of the anti-overflow signal is stopped at the upper end inside the cup body without passing through the whole cup body, the interference factor of the signal is reduced, the serous fluid in the position refers to liquid or foam, so long as the food medium capable of conducting electricity falls within the above range. The distance between the first anti-overflow electrode and the first anti-overflow electrode is L, L is larger than or equal to 120 mm and larger than or equal to 6mm, and L is 86mm in the embodiment. The advantages of such an arrangement are: the anti-overflow principle is changed by arranging the double anti-overflow electrodes on the electromagnetic heating structure, and the slurry and the magnetic conductive heating disc are not required to be used as a conductive loop but are directly communicated with the double anti-overflow electrodes, so that the magnetic conductive heating disc is not required to be used as a necessary factor of the conductive loop, a conductive part is not required to be arranged, the magnetic conductive heating disc is not required to be connected with the main control board 2, strong and weak currents are not required, and the strong and weak currents cannot interfere with each other, so that the whole-body washing of the stirring cup 4 can be realized, the overall mass is reduced compared with the heating disc, the stirring cup 4 is lightened, and the electromagnetic heating structure is convenient for a user to use; and first anti-overflow electrode and second anti-overflow electrode possess certain clearance for the thick liquid need touch first anti-overflow electrode and second anti-overflow electrode simultaneously and just trigger the anti-overflow, has guaranteed the reliability of anti-overflow, has avoided the existence of false anti-overflow, limits the distance.
First anti-overflow electrode and second anti-overflow electrode are bar-shaped and vertical setting, and this embodiment is circular shape bar-shaped structure for the cross section, and first anti-overflow electrode and second anti-overflow electrode one end are fixed in respectively on the bowl cover 42, on this embodiment is as an organic whole imbeds the interior roof of bowl cover 42, inside the other end is unsettled and stretches into cup 41, and the cup 41 inside of here indicates cup 41 and bowl cover 42 to surround the space that forms. The inner top wall of the cup cover 42 extends downwards to form two hollow insulating sleeves 421, and the first anti-overflow electrode and the second anti-overflow electrode are respectively embedded in the two hollow insulating sleeves. The gaps between the first anti-overflow electrode and the inner side wall of the cup cover 42 and the gaps between the second anti-overflow electrode and the inner side wall of the cup cover 42 are larger than or equal to 5mm, the first anti-overflow electrode and the second anti-overflow electrode are not connected with each other, and only when slurry is in contact with each other, the first anti-overflow electrode and the second anti-overflow electrode are conductive. The advantages of such an arrangement are: be rodlike through first anti-overflow electrode and second anti-overflow electrode, and stretch into inside the cup 41, guaranteed thick liquid or foam at the in-process that rises, can contact two anti-overflow electrodes earlier under the prerequisite of not contacting bowl cover 42 roof, and let two anti-overflow electrodes form the return circuit, the timely triggering of anti-overflow signal has been guaranteed, because anti-overflow signal transmission reaches main control board 2, main control board 2 stops the heating again, the magnetic conduction heating plate can be because thermal inertia can exist postpones, consequently just trigger often for late if touch bowl cover 42 roof, the above-mentioned condition has been avoided to this scheme, make the anti-overflow more reliable.
The outside protrusion in one side of bowl cover 42 forms mount pad 422, the mount pad is located handle 43 top, forms an installation cavity 423 in the mount pad, the electric conductor includes first wire 9, second wire 10, first contact pin 11 and second contact pin 12, first wire one end links with first anti-overflow electrode electricity, and one end links with first contact pin electricity in addition, and second wire one end links with second anti-overflow electrode electricity, and one end links with second contact pin electricity in addition, and first contact pin and second contact pin are located the mount pad lower extreme, and first wire and second wire part are located the installation cavity, and first wire and second wire mutual insulation set up, and the mount pad includes hollow installation boss 4221 and the apron 4222 that is located the installation boss below, and the apron is sealed to be set up the installation boss, and first contact pin and second contact pin expose through mounting panel 4223 and set up in the apron below. The advantages of such an arrangement are: through the setting of mount pad, make first wire and second wire in the installation cavity, avoided exposing, make conducted signal more accurate, avoided the external pollution including quality of water, under electromagnetic heating's prerequisite, the signal is through two way walking handle 43, need not to stir cup 4 and set up signal transmission path again alone, make the structure more succinct, first contact pin and second contact pin expose the setting, make handle 43 and bowl cover 42 location more reliable, the synchronism of assembly and biography electricity has been guaranteed.
The conductive pieces comprise a first socket 13, a second socket 14, a third lead 15 and a fourth lead 16, the third lead and the fourth lead are positioned in the handle 43, and the first socket and the second socket are positioned at the upper end of the handle 43 and are respectively matched with the first contact pin and the second contact pin; the first socket and the second socket have a certain gap to avoid mutual contact, one side of the upper end of the handle 43 is concave inwards to form a step, the first socket and the second socket are arranged on the side surface of the step, when the cup cover 42 rotates, the first socket and the second socket are just matched with a contact pin and a second contact pin to realize the transmission of conductive signals, one end of a third lead is electrically connected with the first socket, and the other end of the third lead is electrically connected with the main control board 2; one end of the fourth lead is electrically connected with the second socket, and the other end of the fourth lead is electrically connected with the main control board 2. Set up the gasket respectively on first socket and second socket, the centre sets up sealed gap, supplies the contact pin to insert, has guaranteed under the prerequisite of uncoordinated, and first socket and second socket do not get into dust and water etc.. The first socket and the second socket are both internally provided with reeds which are contacted with the contact pins to conduct electricity. The advantages of such an arrangement are: through the cooperation of socket and contact pin for the bowl cover 42 is rotatory after targetting in place, is connected electrically conductively with the cooperation of handle 43, and contact pin and socket insert the cooperation from the side respectively and are electrically conductive, and it is synchronous going on to make conduction signal and bowl cover 42 lid close, and the transmission of electrically conductive signal does not interfere between the two way signals, all directly with 2 transmission connection of main control board, has guaranteed safe and reliable.
An upper wireless coupler 17 is arranged at the lower end of the cup body 41, a lower wireless coupler 18 which is in wireless power-on fit with the upper wireless coupler is arranged at the upper end of the base 3, the upper wireless coupler is electrically connected with a third lead and a fourth lead, and the lower wireless coupler is electrically connected with the main control board 2. The upper wireless coupler comprises an upper circuit board 171 and an upper coil 172, the upper coil being located below the upper circuit board; the lower wireless coupler comprises a lower circuit board 181 and a lower coil 182, the lower coil being located above the lower circuit board; the upper wireless coupler is arranged at the lower end of the cup body 41 in a sealing mode, the upper wireless coupler is arranged on one side below the cup base in the embodiment, the lower wireless coupler is arranged at the upper end of the base 3 in a sealing mode and is located on one side of the upper end, the upper wireless coupler and the lower wireless coupler transmit signals within a wireless coupling range, the distance between the upper wireless coupler and the lower wireless coupler is 5mm in the embodiment, the distance is less than or equal to 20mm in a whole mode, and the smaller the distance is, the more stable the signal transmission is. The advantages of such an arrangement are: through the cooperation of last wireless coupler and lower wireless coupler, realize the wireless transmission of anti-overflow switch-on signal, thereby make whole stirring cup 4 under the prerequisite of realizing anti-overflow and heating, do not all have any electrified part, can wash whole body, thereby solved current food preparation machine, the abluent problem of aquatic can not get into completely to the stirring cup 4 of heating, the dual set of washing and biography electric function has been guaranteed, and the transmission is more reliable, also need not to have on the frame 3 to expose a cooperation.
The overflow preventing device further comprises a first transverse metal piece 19 and a second transverse metal piece 20 which are embedded in the top wall of the cup cover 42, and a first vertical metal piece 21 and a second vertical metal piece 22 which are positioned in the mounting seat; one end of the first transverse metal piece is electrically connected with the first anti-overflow electrode, and the other end of the first transverse metal piece is electrically connected with the first vertical metal piece; one end of the second transverse metal piece is electrically connected with the second anti-overflow electrode, and the other end of the second transverse metal piece is electrically connected with the second vertical metal piece; the first vertical metal piece is electrically connected with the first lead, and the second vertical metal piece is electrically connected with the second lead. In this embodiment, the first anti-overflow electrode, the first vertical metal piece, and the first vertical metal piece are integrally formed, and the second anti-overflow electrode, the second vertical metal piece, and the second vertical metal piece are integrally formed. The first transverse metal piece and the second transverse metal piece are both in a sheet shape, and the first vertical metal piece and the second vertical metal piece are both in a cylindrical shape. The advantages of such an arrangement are: through inlaying of horizontal metalwork and vertical metalwork dress for the installation of the conductor wire of first anti-overflow electrode and second anti-overflow electrode is more reliable, can not be triggered by mistake with the thick liquid contact in the cup 41, and with the cooperation of the top wall and the lateral part wall of bowl cover 42, integrated into one piece has made things convenient for processing, has guaranteed structural reliability and anti-overflow reliability, makes bowl cover 42 also can whole body washing.
The anti-overflow device still includes detection resistance R2, and detection resistance R2 one end links to each other with first anti-overflow electrode, and the other end links to each other with second anti-overflow electrode, still be equipped with uncap detection circuitry on the main control board 2, uncap detection circuitry discernment detection resistance to judge whether the installation of bowl cover 42 targets in place. In this embodiment, the detection resistor is located in the mounting base and connected to the first wire and the second wire, respectively. The advantages of such an arrangement are: through detection resistance and first anti-overflow electrode and the cooperation of second anti-overflow electrode, detect the outage of uncapping, cancel the detection mode that the section outage that uncaps of original connecting rod formula detected and magnet control formula for it is lower to uncap the outage detection cost, and the structure is simpler, and utilized current two anti-overflow electrode circuit, has optimized circuit structure greatly, makes the anti-overflow and the outage of uncapping can general one set of detecting system, has avoided the complicacy and not accurate of two sets of systems.
Be equipped with dog-house 23 on the bowl cover 42, be equipped with on the dog-house and throw material lid 24, the dog-house downwardly extending forms throws material passageway 25, and first anti-overflow electrode and second anti-overflow electrode symmetry set up in the periphery of dog-house, and the distance of first anti-overflow electrode and second anti-overflow electrode apart from throwing the material passageway inner wall is K, and wherein K is more than or equal to 10mm, and K is 20mm in this embodiment. The advantages of such a design are: through first anti-overflow electrode and the setting of second anti-overflow electrode symmetry in the periphery of throwing the material passageway for when the thick liquid is stirred, central point puts and can form sunkenly, the thick liquid mainly concentrates on the inner wall on bowl cover 42 both sides, two anti-overflow electrodes distribute liquid center both sides, eat the material and hardly link two electrodes, thereby pollution and the production of the phenomenon of false anti-overflow have been avoided, when K is less than 10mm, the distance is too near, when high-speed stirring, anti-overflow electrode and throw and take place to link easily between the material passageway inner wall, cause the anti-overflow inefficacy.
The specific working principle of the embodiment is as follows:
as shown in fig. 7-8, the main control board 2 transmits an electrical signal, and transmits the electrical signal to the lower wireless coupler through a wire, the lower wireless coupler converts the electrical signal into an electromagnetic signal and transmits the electromagnetic signal to the upper wireless coupler, and the upper wireless coupler converts the received electromagnetic signal into an electrical signal and transmits the electrical signal to the first socket and the second socket through the third wire and the fourth wire, respectively. When the first socket and the first socket are contacted in place, the second socket and the second socket are contacted in place, and the electric signals on the sockets are transmitted to the two ends of the anti-overflow electrode and the detection resistor through the contact pins, the first lead and the second lead. If no liquid exists between the first anti-overflow electrode and the second anti-overflow electrode, namely the two electrodes are not communicated, the resistance connected by the two leads of the contact pin is the detection resistance. If liquid exists between the first anti-overflow electrode and the second anti-overflow electrode, namely the two anti-overflow electrodes are communicated, the resistance connected by the two leads of the contact pin is the parallel equivalent resistance of the detection resistance and the liquid resistance. Whether liquid exists between the two electrodes is judged by feeding back the resistance signal value, the anti-overflow judgment is realized, if the anti-overflow signal is obtained, the judgment is carried out for overflowing immediately, the control panel controls the electromagnetic wire coil to stop working, so that the magnetic conduction heating disc does not continue to generate heat, the slurry does not continue to rise, and the overflow of the slurry is avoided.
In addition, when the contact pin and the socket are disconnected, namely the cup cover 42 is not well covered or rotates to the position, two reeds of the socket are disconnected, no detection resistance signal value is fed back, and therefore the cup cover 42 is judged not to be well covered, and the cover opening detection function is achieved.
The judgment parameters of the realization function of the anti-overflow circuit are as follows.
The detection resistor R2 is connected in parallel at two ends of the two anti-overflow electrodes, the value of the detection resistor R2 is generally 5-20 times of that of the pull-up resistor R1, when the contact pin and the socket are not installed in place, the anti-overflow voltage detected by the upper wireless coupler is Vcc, when the anti-overflow voltage is detected to be more than Vcc- (R2/R1+ R2) Vcc, the cup cover 42 is indicated to be not rotated in place, the cover opening alarm is prompted, when the anti-overflow voltage is detected to be less than or equal to Vcc- (R2/R1+ R2) Vcc, the cup cover 42 is considered to be rotated in place, the main control board 2 can start the motor 1 to work, and the detection of power failure during opening the cover is realized.
It is understood that the first anti-overflow electrode and the second anti-overflow electrode may be both in the shape of a sheet.
It can be understood that the cup cover 42 and the cup body 41 can also be realized by the matching of up-down insertion, at this time, the first pin and the second pin are located right below the mounting seat and are arranged downwards, the first socket and the second socket are located right above the handle 43 and are arranged upwards, and when the cup cover 42 is inserted into the upper end of the handle 43 from top to bottom, the pins and the sockets are matched to realize signal transmission.
It is understood that the signal transmission manner of the pin and the socket can be replaced by the contact manner of the metal sheet and the metal sheet.
Example two:
as shown in fig. 9, the present embodiment is different from the first embodiment in that: the first anti-overflow electrode 7 and the second anti-overflow electrode 8 are different in shape, in the embodiment, the first anti-overflow electrode and the second anti-overflow electrode are both metal rings and are coaxially arranged in the same plane; is positioned on the inner top wall of the cup cover 42, is embedded and extends downwards and is coaxial with the feeding port. By the arrangement, the cup cover 42 is simpler, the contact area of the metal ring is large, the anti-overflow sensitivity is increased, and the metal ring and the cup body 41 are more mounted.
It can be understood that, in the present embodiment, the first anti-overflow electrode and the second anti-overflow electrode are both metal rings and are arranged in a vertically staggered manner.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention, i.e. all equivalent variations and modifications made by the present invention are covered by the scope of the claims of the present invention, which is not limited by the examples herein.
Claims (9)
1. The utility model provides a food preparation machine with anti-overflow function, includes the frame that has motor and main control board, sets up the stirring cup on the frame, and the stirring cup includes cup and bowl cover, is equipped with the handle on the cup, is equipped with crushing sword in the cup, and motor drive crushing sword is rotatory, the upper end of frame is equipped with the electromagnetic coil dish, and the lower extreme of cup is equipped with the magnetic conduction that corresponds with the electromagnetic coil dish and generates heat the dish, be equipped with anti-overflow device, its characterized in that on the bowl cover: the anti-overflow device comprises a first anti-overflow electrode, a second anti-overflow electrode and a conductive body, wherein the first anti-overflow electrode and the second anti-overflow electrode are arranged on the cup cover, a conductive piece is arranged on the handle, the first anti-overflow electrode and the second anti-overflow electrode are respectively and electrically connected with the main control board through the conductive body and the conductive piece, one end of the first anti-overflow electrode and one end of the second anti-overflow electrode are respectively embedded into the cup cover, the other end of the first anti-overflow electrode and the other end of the second anti-overflow electrode are respectively suspended and extend into the cup body, one of the first anti-overflow electrode and the second anti-overflow electrode is arranged to deviate from the center of the cup cover, the first anti-overflow electrode and the second anti-overflow electrode are conducted through heated and trigger an anti-overflow signal, the anti-overflow device further comprises a detection resistor, one end of the detection resistor is connected with the first anti-overflow electrode, the other end of the detection resistor is connected with the second anti-overflow electrode, a cover opening detection circuit is further arranged on the main control board, and identifies the detection resistor, thereby judging whether the cup cover is installed in place.
2. The food processor of claim 1, wherein the first and second electrodes are both bar-shaped and vertically disposed, the top wall of the cup cover extends downward to form two hollow insulating sleeves, and the first and second electrodes are embedded in the two hollow insulating sleeves, respectively.
3. The food processor of claim 1, wherein a side of the lid protrudes outwardly to form a mounting base, the mounting base is positioned above the handle, the conductor includes a first wire, a second wire, a first pin and a second pin, the first wire has one end electrically connected to the first anti-overflow electrode and the other end electrically connected to the first pin, the second wire has one end electrically connected to the second anti-overflow electrode and the other end electrically connected to the second pin, and the first pin and the second pin are positioned at a lower end of the mounting base.
4. The food processor of claim 3, wherein the electrically conductive member includes a first socket, a second socket, a third wire, and a fourth wire, the third and fourth wires being located within the handle, the first and second sockets being located at an upper end of the handle and being engaged by the first and second pins, respectively; one end of the third wire is electrically connected with the first socket, and the other end of the third wire is electrically connected with the main control board; one end of the fourth wire is electrically connected with the second socket, and the other end of the fourth wire is electrically connected with the main control board.
5. The food processor of claim 4, wherein the lower end of the cup body is provided with an upper wireless coupler, the upper end of the base is provided with a lower wireless coupler which is wirelessly and electrically connected with the upper wireless coupler, the upper wireless coupler is electrically connected with the third wire and the fourth wire, and the lower wireless coupler is electrically connected with the main control panel.
6. The food processor of claim 5, wherein the upper wireless coupler includes an upper circuit board and an upper coil, the upper coil being located below the upper circuit board; the lower wireless coupler comprises a lower circuit board and a lower coil, and the lower coil is positioned above the lower circuit board; the upper wireless coupler is arranged at the lower end of the cup body in a sealing manner, and the lower wireless coupler is arranged at the upper end of the machine base in a sealing manner.
7. The food processor of claim 3, wherein the spill prevention device further comprises first and second lateral metal members embedded in the top wall of the lid, and first and second vertical metal members located in the mounting seat; one end of the first transverse metal piece is electrically connected with the first anti-overflow electrode, and the other end of the first transverse metal piece is electrically connected with the first vertical metal piece; one end of the second transverse metal piece is electrically connected with the second anti-overflow electrode, and the other end of the second transverse metal piece is electrically connected with the second vertical metal piece; the first vertical metal piece is electrically connected with the first lead, and the second vertical metal piece is electrically connected with the second lead.
8. The food processor as defined in claim 1, wherein the cup cover is provided with a feeding port, the feeding port extends downwards to form a feeding channel, the first anti-overflow electrode and the second anti-overflow electrode are symmetrically arranged on the periphery of the feeding channel, the distance between the first anti-overflow electrode and the second anti-overflow electrode and the inner wall of the feeding channel is K, and K is more than or equal to 10 mm.
9. The food processor of claim 1, wherein the first and second flood prevention electrodes are both sheet-shaped; or the first anti-overflow electrode and the second anti-overflow electrode are both metal rings and are coaxially arranged in the same plane; or the first anti-overflow electrode and the second anti-overflow electrode are both metal rings and are arranged in a vertically staggered manner.
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112168025B (en) * | 2019-08-21 | 2022-06-28 | 九阳股份有限公司 | Safe and reliable portable food processor |
| CN112806873A (en) * | 2019-11-15 | 2021-05-18 | 九阳股份有限公司 | Anti-overflow reliable food preparation machine |
| CN111481080A (en) * | 2020-04-19 | 2020-08-04 | 吴晶 | Soya-bean milk machine |
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