CN209360362U - A kind of external type controller and electric food warmer of electric food warmer - Google Patents

Abstract

A kind of external type controller and electric food warmer of electric food warmer, belong to electric food warmer technical field.Including controller housing (13), the circumscripted power line (17) being electrically connected with city is provided on controller housing (13), the alternating current introduced by circumscripted power line (17) is loaded into the power supply output plughole (12) for being connected with electric food warmer by the control circuit being arranged in controller housing (13)；Control circuit includes that microprocessor and the electronic switch by microprocessor control on-off, alternating current are connected by electronic switch with power supply output plughole (12).In the external type controller and electric food warmer of electric food warmer, by the way that external type controller is arranged, and so that microprocessor is controlled electronic switch by key and worked with different make-and-break times, so that alternating current interval is accessed on the heating element in grill pan, it is convenient that electric food warmer is adjusted in outside, substantially increase the flexibility of cooking process.

Description

A kind of external type controller and electric food warmer of electric food warmer

Technical field

A kind of external type controller and electric food warmer of electric food warmer, belong to electric food warmer technical field.

Background technique

The electric food warmer thermal efficiency is high, and long service life is multiple functional, is able to carry out pan-fried, fries, steams, boil, rinse, stew, simmer, boil in a covered pot over a slow fire The modernization cooker of a variety of processing.It is not only able to food to cook, and can keep the temperature, and uses sanitation and hygiene, does not have Radiation, it is time saving and energy saving, it is that housework modernizes one of indispensable apparatus.Existing electric food warmer generally includes the pot on top Body and the pedestal of lower part, circuit and heating element are installed in pedestal, and power supply line and switch are mounted on pedestal side, side Just it uses.But according to the regulation of the newest electric food warmer standard of country, electric food warmer needs entirety submerged in water after a certain period of time It remains to continue to use, existing electric food warmer is unable to satisfy above-mentioned national standard, and existing electric food warmer is arranged at due to route It in pedestal, easily causes pedestal to intake when washing pot, causes electric food warmer short circuit or electric leakage, it is easy to damage or touch Electrification.And once the control element in pot breaks down, and needs to dismantle grill pan and is repaired or replaced, and maintenance process is numerous Trivial and maintenance cost is higher.Simultaneously in the electric food warmer of the prior art, the culinary art mode of electric food warmer is relatively fixed, therefore cooks Flexibility in journey substantially reduces.

Summary of the invention

Technical problem to be solved by the utility model is: overcoming the deficiencies of the prior art and provide a kind of external by being arranged Formula controller, and so that microprocessor is controlled electronic switch by key and worked with different make-and-break times, so that alternating current interval It accesses on the heating element in grill pan, it is convenient that electric food warmer is adjusted in outside, substantially increase cooking process flexibility Electric food warmer external type controller and electric food warmer.

The technical scheme adopted by the utility model to solve the technical problem is as follows: the external type controller of the electric food warmer, It is characterized in that: including controller housing, the circumscripted power line being electrically connected with city is provided on controller housing, by external power supply It is defeated that the alternating current that line introduces passes through the power supply that the control circuit being arranged in controller housing is loaded into for being connected with electric food warmer Out on jack；

Control circuit includes microprocessor and electronic switch, and alternating current is connected by electronic switch with power supply output plughole, Multiple keys are additionally provided on controller housing, the signal output end of key is connected with the input terminal of microprocessor, by pressing The make-and-break time that key keeps microprocessor different to electronic switch controls.

Preferably, front panel is provided on the front end face of the controller housing, plate in front is arranged in the key On, it is additionally provided with display screen on the front panel, display location is connected in the side of key, the signal output end of the microprocessor Display screen.

Preferably, the electronic switch is bidirectional triode thyristor, and the firewire in alternating current passes through described in bidirectional triode thyristor connection Power supply output plughole.

Preferably, the control circuit is additionally provided with mutual inductor, and the input terminal setting of mutual inductor is in electronic switch and electricity Between the output plughole of source, output end connects the input terminal of microprocessor.

Preferably, several hanging holes are also respectively provided in the upper/lower terminal of the controller housing.

A kind of electric food warmer, it is characterised in that: exist including pot body and the heating element being arranged on the downside of pot body, feature In: the pot body outer cup is equipped with outer cover, sealed set between the upper end of outer cover and the upper end of pot body, the sealed bottom of outer cover Setting, and the bottom interval of the bottom of outer cover and pot body be arranged, heating element be arranged between outer cover and pot body and with pot body Bottom is connected, and the side of outer cover is provided with pot body handle, and the power supply output plughole being arranged on controller housing passes through power supply line It is connected with the power connector seat being sealingly disposed on outer cover or pot body handle.

Preferably, the upper edge of the pot body is bent outward, forms the seal groove that Open Side Down, and the upper end of outer cover is protruded into In seal groove, and pot body sealing ring is provided between outer cover upper end and seal groove；The section of pot body sealing ring is downward opening " u "-shaped, the upper end of outer cover are protruded into the opening of pot body sealing ring.

Preferably, the bottom opening setting of the outer cover, the bottom of outer cover pass through bottom cover sealed set, the bottom of outer cover Bottom cover sealing ring is provided between bottom cover.

Preferably, the lower end inside of the outer cover is provided with seal, the close of annular is provided on the upside of bottom cover Sealing plate, sealing plate are arranged in seal, and bottom cover sealing ring is arranged in seal and is tightly connected with sealing plate.

Preferably, be provided with insulating layer between the pot body and outer cover, heating element setting insulating layer and pot body it Between.

Compared with prior art, beneficial effect possessed by the utility model is:

1, in the external type controller of electric food warmer and electric food warmer, by the way that external type controller is arranged, and pass through key Microprocessor control electronic switch is set to work with different make-and-break times, so that the heating element in the access grill pan at alternating current interval On, it is convenient that electric food warmer is adjusted in outside, substantially increase the flexibility of cooking process.

2, the pot body outer cup of this Encapsulated electric hot pot is equipped with outer cover, forms closed cavity between outer cover and pot body, adds Thermal element is arranged in cavity, realizes reliable moistureproof and waterproof, improves service life, and water enters cavity when avoiding washing pot Inside lead to line short, and new national standard can be fully achieved, use is safe.

3, the upper end of pot body is provided with seal groove, and outer cover upper end is protruded into seal groove and is provided with pot body between seal groove Sealing ring guarantees that sealing effect is good between outer cover and pot body, avoids water from entering between outer cover and pot body, and due to seal groove Setting, along pot body outflow water can be flowed directly to outside outer cover, will not be entered in outer cover along outer cover, further avoid water into Enter between outer cover and pot body.

4, pot body sealing ring is downward opening " u "-shaped, extends the sealing that pot body sealing ring is contacted with pot body and outer cover It is good to further ensure sealing effect for partial length.

5, the bottom opening setting of outer cover, had not only facilitated the assembling of electric food warmer, but also facilitate the maintenance of electric food warmer, in electric heating Pot only needs to open bottom cover the maintenance that electric food warmer can be realized when being damaged, easy to maintenance.

6, bottom cover sealing ring is provided in seal, bottom cover sealing ring is connected with sealing plate, to ensure that bottom cover and outer Sealing between cover avoids leaking between bottom cover and outer cover.

7, the bayonet lock on holding firmware is matched with the fixing plate on bottom cover, is realized the fixing of bottom cover, is facilitated bottom cover Installation.

8, it is provided with insulating layer between pot body and outer cover, avoids the loss of pot body heat, avoids damaging outer cover, Heating element is arranged between pot body and insulating layer, guarantees that heat makes full use of.

9, controller is removably installed on power connector seat, by controller can control electric food warmer heating, The functions such as heat preservation and timing, it is easy to use.

Detailed description of the invention

Fig. 1 is electric food warmer front sectional view.

Fig. 2 is the partial enlarged view in Fig. 1 at A.

Fig. 3 is the partial enlarged view in Fig. 1 at B.

Fig. 4 is external type controller structural schematic diagram.

Fig. 5 is external type controller control circuit principle block diagram.

Wherein: 1, pot body 101, seal groove 2, outer cover 201, seal 3, bottom cover 301, sealing plate 4, pot body sealing Circle 5, bottom cover sealing ring 6, handle upper cover 7, support leg 8, secondary handle 9, connector 10, main handle 11, hanging hole 12, electricity Source output plughole 13, controller housing 14, display screen 15, key 16, front panel 17, circumscripted power line.

Specific embodiment

Fig. 1 ~ 5 are the most preferred embodiments of the utility model, and 1 ~ 5 pair of the utility model is done furtherly with reference to the accompanying drawing It is bright.

As shown in Figure 1, a kind of electric food warmer, including pot body 1 and the heating element of 1 downside of pot body is set, outside pot body 1 It is covered with outer cover 2, sealed set between the upper end of outer cover 2 and the upper end of pot body 1, the sealed bottom setting of outer cover 2, and outer cover 2 Bottom and the bottom interval of pot body 1 be arranged, the bottom phase between outer cover 2 and pot body 1 and with pot body 1 is arranged in heating element Even, the side of outer cover 2 is provided with pot body handle, and sealed set has the electricity for connecting with power supply line on outer cover 2 or pot body handle Source connector seat.1 outer cup of pot body of this electric food warmer is equipped with outer cover 2, and closed cavity is formed between outer cover 2 and pot body 1, heats Element is arranged in cavity, realizes reliable moistureproof and waterproof, improves service life, and water enters in cavity when avoiding washing pot Lead to line short, and new national standard can be fully achieved, use is safe.

In conjunction with Fig. 2 ~ 3, outer cover 2 is the taper that from top to bottom diameter is gradually reduced, and the equal opening of the upper and lower ends of outer cover 2 is set It sets.The bottom end of outer cover 2 is closed by bottom cover 3, and the upper end of outer cover 2 and the upper end of pot body 1 are tightly connected, and outer cover 2 is by entire pot body 1 In being located at, the bottom interval of bottom cover 3 and pot body 1 is arranged, to form closed space between outer cover 2 and pot body 1, generates heat Element is arranged between pot body 1 and bottom cover 3 and is connected with pot body 1.

The upper end of pot body 1 is bent outward, is formed in the upper end of pot body 1 around the setting of pot body 1 sealing that Open Side Down Slot 101, the upper end of outer cover 2 are protruded into seal groove 101, and pot body sealing ring is provided between the upper end of outer cover 2 and seal groove 101 4.The section of pot body sealing ring 4 is the " u "-shaped that Open Side Down, and pot body sealing ring 4 is arranged in seal groove 101 and and seal groove 101 are tightly connected, and the upper end of outer cover 2 is protruded into the opening of pot body sealing ring 4 and is tightly connected with pot body sealing ring 4, thus real The sealed connection of the upper end of outer cover 2 and the upper end of pot body 1 is showed.

Bottom cover 3 be it is discoid, connector 9 is provided between pot body 1 and outer cover 2, the downside of connector 9 and outer cover 2 are removable The upside of the connection unloaded, connector 9 is connected with pot body 1, thus supporting pan body 1 and outer cover 2, connector 9 can be between pot body 1 It is multiple every being provided with.

Bottom cover sealing ring 5 is provided between outer cover 2 and bottom cover 3, the lower end of outer cover 2 is provided with seal 201, seal The open setting in 201 inside and downside, the upside of bottom cover 3 are provided with the sealing plate 301 of annular, and sealing plate 301 is arranged close 201 inside of sealing is simultaneously coaxially disposed with seal 201, and sealing plate 301 forms opening towards the rectangular of downside with seal 201 Slot, bottom cover sealing ring 5 are arranged in square groove, and bottom cover sealing ring 5 is tightly connected with seal 201 and sealing plate 301 simultaneously, To be sealed between bottom cover 3 and outer cover 2.

The lower end of outer cover 2 is provided with support leg 7, support leg 7 have uniformly at intervals around the axis of bottom cover 3 it is multiple, thus right This electric food warmer is supported.

Pot body handle includes main handle 10 and secondary handle 8, and main handle 10 and secondary handle 8 are symmetricly set on the two sides of outer cover 2, One end of main handle 10 is connected with outer cover 2, and the other end is provided with power connector seat.The upside of main handle 10 is provided on handle Lid 6 ensure that sealing performance to be sealed to main handle 10, avoid water by main handle 10 flow into pot body 1 and outer cover 2 it Between.Main handle 10 and secondary handle 8 match, and keep entire electric food warmer easy to use.The supply hub of this electric food warmer is arranged at main At hand 10, it is connected by external controller with supply hub, realizes the control to heating element in pot body 1, realizes pot body 1 The functions such as heating, heat preservation and timing.

Heating element includes electrothermal tube and Soaking disk, and Soaking disk is mounted on the downside of pot body 1 and is fixedly connected with pot body 1, Electrothermal tube is mounted on the downside of Soaking disk and is connected with Soaking disk, and electrothermal tube has been arranged in parallel more, to facilitate adjusting electric food warmer Heated condition, in the present embodiment, electrothermal tube has been arranged in parallel three.It is provided with insulating layer between pot body 1 and outer cover 2, In the present embodiment, insulating layer is heat preservation rock.In pot body 1 is located at by insulating layer, Soaking disk and electrothermal tube are arranged at heat preservation Between layer and pot body 1, to take full advantage of the heat of electrothermal tube.

As shown in figure 4, above-mentioned external controller includes controller housing 13, the upper and lower ends setting of controller housing 13 There are multiple hanging holes 11, is facilitated by setting hanging hole 11 and external controller is fixed.Controller housing 13 is cuboid shape, Front panel 16 is provided in the middle part of its front end face, the left side of plate 16 is provided with power supply output plughole 12 in front, outside controller The right end of shell 13 is provided with circumscripted power line 17, is introduced external 220V alternating current by circumscripted power line 17, and and controller Control circuit connection in shell 13, is exported after the control circuit in controller housing 13 by power supply output plughole 12, so The supply hub of power supply output plughole 12 and the electric food warmer being arranged at main handle 10 is connected by other power supply line afterwards.

The left side of front panel 16 is provided with display screen 14, and display screen 14 connects the control circuit in controller housing 13, shows Gear of the display screen 14 for time and " the culinary art duration and degree of heating " is shown, the side of display screen 14 is provided with multiple keys 15, key 15 in the control circuit in access controller shell 13, by key 15, is realized to " the culinary art duration and degree of heating " gear simultaneously Adjusting and cooking time adjusting.

Fig. 5 show the control circuit being arranged in controller housing 13, and wherein black arrow indicates the stream of AC power source To white arrow indicates DC power supply and controls the flow direction of wire size.In control circuit include microprocessor, Switching Power Supply, Bidirectional triode thyristor, trigger unit for thyristor, mutual inductor and above-mentioned key 15 and display screen 14.Microprocessor can be by commercially available Common chip microcontroller, the signal output end of microprocessor are connected with display screen 14 and trigger unit for thyristor respectively, key 15 and the output end of mutual inductor be connected respectively with the signal input part of microprocessor, the output end of trigger unit for thyristor and double It is connected to silicon-controlled control terminal.

In the 220V alternating current be introduced by circumscripted power line 17, the input terminal of firewire L and zero curve N connection switch power supply are opened The d. c. voltage signal connection trigger unit for thyristor and microprocessor of powered-down source output terminal output, provide work for microprocessor Make power supply.Zero curve N and ground line PE are directly connected in the corresponding jack of power supply output plughole 12, and firewire L passes through two-way controllable Silicon is connected in the corresponding jack of power supply output plughole 12.

Trigger unit for thyristor can be realized by commercially available common silicon-controlled opto-coupler chip, it is preferred to use have zero passage detection Bidirectional triode thyristor opto-coupler chip realize, such as MOC3063, MOC3061.The output end of microprocessor and the electricity of Switching Power Supply Source output terminal is separately connected the input terminal of opto-coupler chip, and the output end of opto-coupler chip is separately connected two connections of bidirectional triode thyristor End and control terminal, connection type belong to general knowledge known in this field, and specific connection type is not described in detail herein.Mutual inductance Device is used to whether be powered use, when electric food warmer normal use to the current signal in perception firewire L for detecting electric food warmer When, mutual inductor can sense current signal and current signal is sent into microprocessor, and microprocessor is made by display screen 14 With the display of state.

Specific work process and working principle are as follows:

When needing using this hot pot, first by the power supply of supply hub and external controller at the main handle 10 of electric food warmer Output plughole 12 is connected by power supply line, is then inserted into circumscripted power line 17 in the supply hub of alternating current, is opened by key 15 Dynamic external controller adjusts the gear and cooking time of " the culinary art duration and degree of heating ", micro- place by key 15 then according to culinary art needs Reason device is spaced to schedule according to the gear of selection to be controlled the conducting of bidirectional triode thyristor by trigger unit for thyristor and cuts Only, when bidirectional triode thyristor is connected, the firewire of alternating current can be loaded on heating element, the heating element work in pot body 1, when When bidirectional triode thyristor ends, heating element stops heating, therefore realizes electric food warmer " the culinary art duration and degree of heating " by external controller Control, in order to which customer requires to select different gears for different food materials and culinary art, meet different culinary art requirements, Conventional switch element (such as relay) conducting and turn off process are avoided as switch element by bidirectional triode thyristor simultaneously In be easy to appear spark and the defect that burns out switch, substantially prolong service life.This external controller can be used for it simultaneously In his electric food warmer, application range is wider.

The above descriptions are merely preferred embodiments of the present invention, is not to make other forms to the utility model Limitation, any person skilled in the art is changed or is modified as possibly also with the technology contents of the disclosure above equivalent The equivalent embodiment of variation.But it is all without departing from the content of the technical scheme of the utility model, the technology according to the utility model is real Matter any simple modification, equivalent variations and remodeling to the above embodiments, still fall within the guarantor of technical solutions of the utility model Protect range.

Claims (10)

1. a kind of external type controller of electric food warmer, it is characterised in that: including controller housing (13), in controller housing (13) On be provided with the circumscripted power line (17) being electrically connected with city, by circumscripted power line (17) introduce alternating current by setting is controlling Control circuit in device shell (13) is loaded into the power supply output plughole (12) for being connected with electric food warmer；

Control circuit includes microprocessor and electronic switch, and alternating current is connected by electronic switch with power supply output plughole (12), It is additionally provided on controller housing (13) multiple keys (15), the signal output end of key (15) and the input terminal of microprocessor It is connected, is controlled by the make-and-break time that key (15) keeps microprocessor different to electronic switch.

2. the external type controller of electric food warmer according to claim 1, it is characterised in that: in the controller housing (13) Front end face on be provided with front panel (16), the key (15) setting is in front on plate (16), in front on plate (16) also It is provided with display screen (14), display screen (14) is located at the side of key (15), and the signal output end connection of the microprocessor is aobvious Display screen (14).

3. the external type controller of electric food warmer according to claim 1, it is characterised in that: the electronic switch is two-way Silicon-controlled, the firewire in alternating current passes through power supply output plughole (12) described in bidirectional triode thyristor connection.

4. the external type controller of electric food warmer according to claim 1, it is characterised in that: the control circuit is also set up There is mutual inductor, the input terminal of mutual inductor is arranged between electronic switch and power supply output plughole (12), and output end connects micro- place Manage the input terminal of device.

5. the external type controller of electric food warmer according to claim 1, it is characterised in that: in the controller housing (13) Upper/lower terminal be also respectively provided with several hanging holes (11).

6. a kind of electric food warmer of the external type controller using the described in any item electric food warmers of claim 1 ~ 5, it is characterised in that: Including pot body (1) and the heating element being arranged on the downside of pot body (1), the pot body (1) outer cup is equipped with outer cover (2), outside Cover sealed set between the upper end of (2) and the upper end of pot body (1), the sealed bottom setting of outer cover (2), and the bottom of outer cover (2) It is arranged with the bottom interval of pot body (1), the bottom phase between outer cover (2) and pot body (1) and with pot body (1) is arranged in heating element Even, the side of outer cover (2) is provided with pot body handle, and the power supply output plughole (12) being arranged on controller housing (13) passes through electricity Source line is connected with the power connector seat being sealingly disposed on outer cover (2) or pot body handle.

7. electric food warmer according to claim 6, it is characterised in that: the upper edge of the pot body (1) is bent outward, is formed The seal groove (101) that Open Side Down, the upper end of outer cover (2) is protruded into seal groove (101), and outer cover (2) upper end and seal groove (101) pot body sealing ring (4) are provided between；The section of pot body sealing ring (4) be downward opening " u "-shaped, outer cover (2) it is upper End is protruded into the opening of pot body sealing ring (4).

8. electric food warmer according to claim 6 or 7, it is characterised in that: the bottom opening of the outer cover (2) is arranged, outside The bottom of (2) is covered by bottom cover (3) sealed set, is provided with bottom cover sealing ring (5) between the bottom and bottom cover (3) of outer cover (2).

9. electric food warmer according to claim 8, it is characterised in that: the lower end inside around the outer cover (2) is provided with Seal (201), the sealing plate (301) of annular is provided on the upside of bottom cover (3), and sealing plate (301) is arranged in seal (201) Interior, bottom cover sealing ring (5) setting is tightly connected in seal (201) and with sealing plate (301).

10. electric food warmer according to claim 6, it is characterised in that: be provided between the pot body (1) and outer cover (2) Insulating layer, heating element are arranged between insulating layer and pot body (1).