CN205026752U - Microwave heating device - Google Patents

Microwave heating device Download PDF

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Publication number
CN205026752U
CN205026752U CN201520732541.3U CN201520732541U CN205026752U CN 205026752 U CN205026752 U CN 205026752U CN 201520732541 U CN201520732541 U CN 201520732541U CN 205026752 U CN205026752 U CN 205026752U
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CN
China
Prior art keywords
door
switch
drawer door
microwave heating
closing
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.)
Withdrawn - After Issue
Application number
CN201520732541.3U
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Chinese (zh)
Inventor
周坚毅
张永忠
龙剑
周赑
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Midea Group Co Ltd
Guangdong Midea Kitchen Appliances Manufacturing Co Ltd
Original Assignee
Midea Group Co Ltd
Guangdong Midea Kitchen Appliances Manufacturing Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Midea Group Co Ltd, Guangdong Midea Kitchen Appliances Manufacturing Co Ltd filed Critical Midea Group Co Ltd
Priority to CN201520732541.3U priority Critical patent/CN205026752U/en
Priority to PCT/CN2015/090804 priority patent/WO2017049622A1/en
Priority to US14/865,020 priority patent/US10462857B2/en
Application granted granted Critical
Publication of CN205026752U publication Critical patent/CN205026752U/en
Withdrawn - After Issue legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses a microwave heating device, including shaft, drawer door, drive arrangement and controller, be equipped with the close the door detection switch and the detection switch that opens the door on the shaft, it opens the door to be equipped with on the drawer door touches the structure and touches the structure with closing the door, and movably the installation on the shaft between microwave heating chamber's the closed position who opens the position with close microwave heating chamber is being opened to the drawer door, and the drawer door is located to open the door when opening the position and touches the structure and touch the detection switch and closing the door of opening the door and touch the structure release detection switch of closing the door, closes the door when the drawer door is located closed position to touch the structure and touch the detection switch and open the door and touch the structure and release the detection switch that opens the door of closing the door, drive arrangement is used for driving the drawer door and removes between position and the closed position opening, the controller respectively with the detection switch that opens the door, close the door detection switch and drive arrangement communication. According to the utility model discloses a microwave heating device has the drawer door -trip and targets in place and detect reliable, long service life and advantage such as with low costs.

Description

Microwave heating equipment
Technical field
The utility model relates to technical field of electric appliances, especially relates to a kind of microwave heating equipment.
Background technology
Drawer-type microwave oven in correlation technique, adopt following two kinds of methods to detect drawer door switch whether to put in place: one is utilize the quantity of the pulse signal collected and calculate in whole stroke to judge, two is judge according to the quantity of the pulse signal collected in the specific time.But first method is easily subject to the impact of external environment and lost efficacy, the impacts such as such as power failure, voltage pulsation or external signal interference, cause the poor reliability of drawer-type microwave oven; Second method adds the load of motor, and cause motor easily to burn damage, the life-span is short.In addition, above two kinds of methods are due to the collection of needs motor and feedback pulse signal, and make electric machine structure complicated, technological requirement and the quality requirements of motor are high, cause the cost of drawer-type microwave oven higher.
Utility model content
The utility model is intended at least to solve one of technical problem existed in prior art.For this reason, the utility model needs to provide a kind of microwave heating equipment, and described microwave heating equipment has drawer door switch and puts in place and detect reliable, long service life and low cost and other advantages.
According to the microwave heating equipment of the utility model embodiment, comprising: shaft, have microwave heating chamber in described shaft, described shaft is provided with close the door sense switch and enabling sense switch, drawer door, described drawer door is provided with enabling touch structure and touch structure of closing the door, described drawer door is arranged on described shaft opening between the open position of described microwave heating chamber and the closed position closing described microwave heating chamber movably, when described drawer door is positioned at described open position described enabling touch structure touch described enabling sense switch and described in close the door sense switch of closing the door described in touch structure release, to close the door described in touch structure of closing the door described in when described drawer door is positioned at described closed position touches sense switch and described enabling touch structure discharges described enabling sense switch, for driving the drive unit of described drawer door movement between described open position and described closed position, described drive unit is arranged on described shaft and goes up with in described drawer door and be connected with another transmission, controller, described controller respectively with described enabling sense switch, described in close the door sense switch and described drive unit communication.
According to the microwave heating equipment of the utility model embodiment, automatically can detect the position of drawer door, and the accuracy detected is high, achieve automatically opening or closing of drawer door, functional reliability is high.In addition, owing to collecting pulse signal without using motor, therefore can adopt the motor that structure is simple, with low cost, and not increase the load of motor, thus simplify the structure of microwave heating equipment, reduce production cost, improve service life.
According to embodiments more of the present utility model, described shaft is provided with guide rail and described drawer door is provided with guide rail splice, and described guide rail splice is engaged on described guide rail movably.
Alternatively, described enabling touch structure is be located at the limited block on described guide rail splice, described in touch structure of closing the door be located at the gate stop on described drawer door.
Further, described shaft is provided with interlock bracket, described enabling sense switch and described sense switch of closing the door are arranged in described interlock bracket, wherein, when described drawer door is positioned at described closed position, described gate stop is hooked in described interlock bracket, and when described drawer door is positioned at described open position, described limited block is by described interlock bracket backstop.
According to embodiments more of the present utility model, described sense switch of closing the door comprise respectively with the pilot switch of described controller communication, primary switch and secondary switch, touch structure of closing the door described in when described drawer door is positioned at described closed position touches described pilot switch, described primary switch and described secondary switch respectively, and touch structure of closing the door described in when described drawer door is positioned at described open position discharges described pilot switch, described primary switch and described secondary switch respectively.
In further embodiment of the present utility model, described primary switch is two, described pilot switch and described primary switch are located at the left part of described shaft, described secondary switch and primary switch described in another are located at the right part of described shaft, described touch structure of closing the door is two and is located at left part and the right part of described drawer door respectively, wherein, when described drawer door is positioned at described closed position, the touch structure of closing the door being positioned at described drawer door left part touches described pilot switch and a described primary switch respectively, the touch structure of closing the door being positioned at described drawer door right part touches described secondary switch and another primary switch described respectively, when described drawer door is positioned at described open position, the touch structure of closing the door being positioned at described drawer door left part discharges described pilot switch and a described primary switch respectively, and the touch structure of closing the door being positioned at described drawer door right part discharges described secondary switch and another primary switch described respectively.
Alternatively, described pilot switch and a described primary switch are all horizontally disposed with and a described primary switch is positioned at below described pilot switch; Described secondary switch is vertically arranged, and another primary switch described is horizontally disposed with and is positioned at below described secondary switch.
In embodiment of the present utility model, described pilot switch, described primary switch, described secondary switch and described enabling sense switch are microswitch.
According to an embodiment of the present utility model, described drive unit comprises: motor, and described motor is arranged on described shaft, described controller and described motor communication; Push rod device, described push rod device is connected with described drawer door with described motor respectively and is the linear movement of described drawer door by the convert rotational motion of described motor.
Further, described push rod device comprises: driving pulley and driven pulley, and described driving pulley and described driven pulley are rotatably installed on described shaft respectively, and described motor and described driving pulley are in transmission connection; Push rod driving-belt, described push rod driving-belt is set on described driving pulley and described driven pulley, and described motor drives described driving pulley to rotate to drive described push rod conveyor belt motion; Push rod, described push rod is connected with described drawer with described push rod driving-belt respectively, and described push rod moves in the drive lower linear of described push rod driving-belt to drive described drawer door to move between described open position and described closed position.
Alternatively, described drive unit also comprises gear assembly, and described motor is in transmission connection by described gear assembly and described driving pulley.
Further, described gear assembly comprises: electrical machine belt pulley, and described electrical machine belt pulley is connected with described motor-driven; Speed change belt wheel, described speed change belt wheel and described driving pulley are in transmission connection; Variable transmission belt, described variable transmission belt is set on described electrical machine belt pulley and described speed change belt wheel, and described variable transmission belt drives described speed change belt wheel to rotate under the drive of described electrical machine belt pulley.
Additional aspect of the present utility model and advantage will part provide in the following description, and part will become obvious from the following description, or be recognized by practice of the present utility model.
Accompanying drawing explanation
Fig. 1 is the stereogram of the microwave heating equipment according to the utility model embodiment;
Fig. 2 is the stereogram of the microwave heating equipment according to the utility model embodiment;
Fig. 3 is the enlarged diagram in the A portion that Fig. 2 centre circle shows;
Fig. 4 is according to the drawer door of the microwave heating equipment of the utility model embodiment schematic diagram when closed position;
Fig. 5 is the enlarged diagram in the B portion that Fig. 4 centre circle shows;
Fig. 6 is according to the drawer door of the microwave heating equipment of the utility model embodiment schematic diagram when open position;
Fig. 7 is the enlarged diagram in the C portion that Fig. 6 centre circle shows;
Fig. 8 is the structural representation of the drive unit of microwave heating equipment according to the utility model embodiment;
Fig. 9 is the explosive view of the drive unit of microwave heating equipment according to the utility model embodiment.
Reference numeral:
Microwave heating equipment 100,
Shaft 1, microwave heating chamber 10, sense switch 15 of closing the door, pilot switch 111, primary switch 112, secondary switch 113, enabling sense switch 12, guide rail 13, interlock bracket 14,
Drawer door 2, enabling touch structure 21, touch structure 22 of closing the door, guide rail splice 23, control panel 24,
Drive unit 3, motor 31, push rod device 32, push rod 321, driving pulley 322, driven pulley 323, push rod driving-belt 324, gear assembly 33, electrical machine belt pulley 331, speed change belt wheel 332, variable transmission belt 333,
Transformer 41, electric capacity 42, controller 43,
Microwave emitter 5, waveguide 6, fan component 7.
Detailed description of the invention
Be described below in detail embodiment of the present utility model, the example of described embodiment is shown in the drawings, and wherein same or similar label represents same or similar element or has element that is identical or similar functions from start to finish.Being exemplary below by the embodiment be described with reference to the drawings, only for explaining the utility model, and can not being interpreted as restriction of the present utility model.
Below with reference to Fig. 1-Fig. 9, the microwave heating equipment 100 according to the utility model embodiment is described, described microwave heating equipment 100 utilizes microwave to heat food, automatically opening or closing of drawer can be realized, have that structure is simple, reliability is high, low cost and other advantages.
Particularly, microwave heating equipment 100 can for being embedded in micro-wave oven in wall or cabinet or microwave oven.
As shown in Fig. 1-Fig. 9, according to the microwave heating equipment 100 of the utility model embodiment, comprise shaft 1, drawer door 2, drive unit 3 and controller 43.
Have microwave heating chamber 10 in shaft 1, food is heated in microwave heating chamber 10.Shaft 1 is provided with close the door sense switch 15 and enabling sense switch 12, drawer door 2 is provided with enabling touch structure 21 and touch structure 22 of closing the door, drawer door 2 open microwave heating chamber 10 open position and close microwave heating chamber 10 closed position between be arranged on shaft 1 movably, food can be put into microwave heating chamber 10 and heats by user easily thus, or takes out food in microwave heating chamber 10.Such as, after food is put into drawer, drawer door 2 is moved backward in open position as shown in Figure 2, until drawer door 2 moves to closed position as shown in Figure 4, drawer door 2 closes microwave heating chamber 10 completely, and now microwave heating equipment 100 can heat food; After heat foods completes, drawer door 2 is moved forward in closed position as shown in the figure, until drawer door 2 moves to open position as shown in Figure 2, microwave heating chamber 10 is farthest opened, and now food can be taken out.
As Figure 6-Figure 7, when drawer door 2 is positioned at open position, enabling touch structure 21 touches enabling sense switch 12, the sense switch 15 and touch structure 22 release of closing the door is closed the door, like this, the position of drawer door 2 when open position can be detected, and the accuracy of the position of the drawer door 2 detected is high.As shown in fig. 4-5, touch structure 22 of closing the door when drawer door 2 is positioned at closed position touches sense switch 15 of closing the door, and enabling touch structure 21 discharges enabling sense switch 12, like this, the position of drawer door 2 when closed position can be detected, and the accuracy of the position of the drawer door 2 detected is high.
Drive unit 3 moves between open and closed positions for driving drawer door 2, drive unit 3 is arranged on shaft 1 and goes up with in drawer door 2 and be connected with another transmission, drive unit 3 is supported thus, thus can drive the movement of drawer door 2.Such as, as shown in Figure 2, drive unit 3 is arranged on the bottom of shaft 1, and drive unit 3 is connected with drawer door 2 transmission, and drawer door 2 can move forward and backward under the driving of drive unit 3.Certainly, drive unit 3 can also to be located on drawer door 2 and to be connected with shaft 1 transmission.It should be noted that, drive unit 3 is connected with another transmission above-mentioned in drawer door 2 with shaft 1 here, at least comprises the situation that drive unit 3 can make to produce between shaft 1 and drawer door 2 relative motion.
Controller 43 respectively with enabling sense switch 12, close the door sense switch 15 and drive unit 3 communication, thus realize automatically opening or closing of drawer door 2.
That closed position is described in detail according to the course of work of the microwave heating equipment 100 of the utility model embodiment for the initial position of drawer door 2 with reference to the accompanying drawings.Be understandable that, now enabling touch structure 21 discharges enabling sense switch 12.
When needs heat food, controller 43 is with drive unit 3 communication and make drive unit 3 drive drawer door 2 to move forward, drawer door 2 opens microwave heating chamber 10 gradually in the process moved forward, when drawer door 2 moves to open position as shown in Figure 2 and Figure 6, microwave heating chamber 10 is farthest opened, enabling touch structure 21 touches enabling sense switch 12, the sense switch 15 and touch structure 22 release of closing the door is closed the door, such drive unit 3 quits work, and food can be put into drawer by user.Afterwards, controller 43 is with drive unit 3 communication and make drive unit 3 drive drawer door 2 to move backward, drawer door 2 closes microwave heating chamber 10 gradually in the process of movement backward, when drawer door 2 moves to closed position as shown in Figure 4, microwave heating chamber 10 is fully closed, and touch structure 22 of closing the door touches sense switch 15 of closing the door, and enabling touch structure 21 discharges enabling sense switch 12, such drive unit 3 quits work, and now microwave heating equipment 100 can heat food.Be understandable that, after heat foods completes, repeat step as above and can to take out after food closing drawers door 2 again.
According to the microwave heating equipment 100 of the utility model embodiment, enabling touch structure 21 sense switch 15 that touches enabling sense switch 12 and touch structure 22 release of closing the door is closed the door when utilizing drawer door 2 to be positioned at open position, touch structure 22 of closing the door when drawer door 2 is positioned at closed position touches the sense switch 15 and enabling touch structure 21 discharges enabling sense switch 12 of closing the door, automatically the position of drawer door 2 can be detected, and the accuracy detected is high, thus achieve automatically opening or closing of drawer door 2, adopt mechanical detection, affect little by extraneous factor, functional reliability is high.In addition, owing to collecting pulse signal without using drive unit 3, the drive unit 3 that structure is simple, with low cost can therefore be adopted, and do not increase the load of drive unit 3, thus simplify the structure of microwave heating equipment 100, reduce production cost, improve service life.
As shown in Figure 2 and Figure 6, according to embodiments more of the present utility model, the left and right sides of shaft 1 can be provided with guide rail 13, the left and right sides of drawer door 2 is provided with guide rail splice 23, guide rail splice 23 is engaged on guide rail 13 movably, and such drawer door 2 can move in the longitudinal direction reposefully.
Alternatively, as shown in Fig. 2, Fig. 4 and Fig. 5-Fig. 7, enabling touch structure 21 can for being located at the limited block on guide rail splice 23, and touch structure 22 of closing the door can for being located at the gate stop on drawer door 2.Wherein limited block can be positioned at the rear end of guide rail splice 23, such drawer can shift out microwave heating chamber 10 largely, it is convenient that user picks and places food, and can ensure that drawer door 2 stable support when opening space and being enough large, on guide rail 13, effectively extends the service life of drawers 2 and guide rail 13.Gate stop extends from drawer door 2 towards rear, thus microwave heating equipment 100 accurately can detect position when drawer door 2 closes microwave heating chamber 10 completely.
Further, as shown in Fig. 2-Fig. 7, shaft 1 can be provided with interlock bracket 14, enabling sense switch 12 and sense switch 15 of closing the door are arranged in interlock bracket 14, wherein, as shown in fig. 4-5, when drawer door 2 is positioned at closed position, gate stop is hooked in interlock bracket 14, guarantee gate stop like this can not depart from sense switch 15 of closing the door, and the position stability of drawer door 2.As Figure 6-Figure 7, when drawer door 2 is positioned at open position, limited block is by interlock bracket 14 backstop, like this, can prevent drawer door 2 from coming off, and ensures that limited block can touch enabling sense switch 12.Alternatively, as in accompanying drawing, gate stop can be cardinal principle " L " shape, is conducive to gate stop and is hooked on securely in interlock bracket 14.
In embodiment as Figure 2-Figure 5, sense switch 15 of closing the door can comprise respectively with the pilot switch 111 of controller 43 communication, primary switch 112 and secondary switch 113, touch structure 22 of closing the door when drawer door 2 is positioned at closed position touches pilot switch 111 respectively, primary switch 112 and secondary switch 113, this Time Controller 43 communication drive unit 3 quits work to make drive unit 3, touch structure 22 of closing the door when drawer door 2 is positioned at open position discharges pilot switch 111 respectively, primary switch 112 and secondary switch 113, avoid the communication affecting controller 43 and drive unit 3, improve automatically controlled security.
In further embodiment of the present utility model, primary switch 112 can be two, pilot switch 111 and primary switch 112 are located at the left part of shaft 1, secondary switch 113 and another primary switch 112 are located at the right part of shaft 1, touch structure 22 of closing the door is two and is located at left part and the right part of drawer door 2 respectively, wherein, when drawer door 2 is positioned at closed position, the touch structure 22 of closing the door being positioned at drawer door 2 left part touches pilot switch 111 and an above-mentioned primary switch 112 respectively, the touch structure 22 of closing the door being positioned at drawer door 2 right part touches secondary switch 113 and another primary switch 112 above-mentioned respectively, when drawer door 2 is positioned at open position, the touch structure 22 of closing the door being positioned at drawer door 2 left part discharges pilot switch 111 and a primary switch 112 respectively, the touch structure 22 of closing the door being positioned at drawer door 2 right part discharges secondary switch 113 and another primary switch 112 respectively.Thus, improve the detection accuracy of the communication reliability of controller 43 and the position of drawer door 2.
That is, as in accompanying drawing, the left side of shaft 1 is provided with pilot switch 111 and primary switch 112, the right side of shaft 1 is provided with secondary switch 113 and primary switch 112, drawer door 2 be each side provided with a gate stop, when drawer door 2 is positioned at closed position, gate stop on the left of drawer door 2 touches pilot switch 111, and the primary switch 112 touched on the left of shaft 1, gate stop on the right side of drawer door 2 touches secondary switch 113, and the primary switch 112 touched on the right side of shaft 1, when drawer door 2 is positioned at open position, gate stop release pilot switch 111 on the left of drawer door 2, and the primary switch 112 on the left of release shaft 1, gate stop release secondary switch 113 on the right side of drawer door 2, and the primary switch 112 on the right side of release shaft 1.
Alternatively, as shown in Fig. 2-Fig. 7, pilot switch 111 and the primary switch 112 be positioned on the left of shaft 1 are all horizontally disposed with, and the primary switch 112 on the left of shaft 1 is positioned at the below of pilot switch 111.Secondary switch 113 is vertically arranged, and the primary switch 112 on the right side of shaft 1 is horizontally disposed with and is positioned at the below of secondary switch 113.As preferably, pilot switch 111, primary switch 112, secondary switch 113 and enabling sense switch 12 can be microswitch, make the control of microwave heating equipment 100 simple, are swift in response.
As shown in Figure 2, according to an embodiment of the present utility model, drive unit 3 can comprise motor 31 and push rod device 32, wherein motor 31 is arranged on the bottom of shaft 1, controller 43 and motor 31 communication, like this when needs open or close drawer door 2, controller 43 can control motor 31 forward or reverse.Push rod device 32 is connected with drawer door 2 with motor 31 respectively, and the convert rotational motion of motor 31 is the linear movement of drawer door 2 by push rod device 32.Thus, when drawer door 2 opened by needs, controller 43 is with motor 31 communication and motor 31 is rotated, under the effect of push rod device 32, the convert rotational motion of motor 31 is drawer door 2 movement forward, thus drawer door 2 is opened, when needs closing drawers door 2, under the effect of push rod device 32, the convert rotational motion of motor 31 is drawer door 2 movement backward, thus drawer door 2 is closed.
Further, as shown in Figure 2 and Figure 9, push rod device 32 can comprise driving pulley 322, driven pulley 323, push rod driving-belt 324 and push rod 321.Wherein, driving pulley 322 and driven pulley 323 are rotatably installed on shaft 1 respectively, motor 31 and driving pulley 322 are in transmission connection, push rod driving-belt 324 is set on driving pulley 322 and driven pulley 323, motor 31 drives driving pulley 322 to rotate to drive push rod driving-belt 324 to move, thus push rod driving-belt 324 drives driven pulley 323 to rotate.Push rod 321 is connected with drawer door 2 with push rod driving-belt 324 respectively, and push rod 321 moves with drives drawer door 2 between open and closed positions in the drive lower linear motion of push rod driving-belt 324.
Alternatively, as shown in Figure 8 and Figure 9, drive unit 3 can also comprise gear assembly 33, motor 31 is in transmission connection by gear assembly 33 and driving pulley 322, the rotation of such motor 31 can pass to driving pulley 322 by gear assembly 33, thus the rotating speed of driving pulley 322 can be changed, and then regulate the translational speed of drawer door 2.
Further, as shown in Figure 8 and Figure 9, gear assembly 33 can comprise electrical machine belt pulley 331, speed change belt wheel 332 and variable transmission belt 333, electrical machine belt pulley 331 and motor 31 are in transmission connection, speed change belt wheel 332 and driving pulley 322 are in transmission connection, variable transmission belt 333 is set on electrical machine belt pulley 331 and speed change belt wheel 332, such motor 31 drive motor belt wheel 331 rotates, variable transmission belt 333 drives speed change belt wheel 332 to rotate under the drive of electrical machine belt pulley 331, thus speed change belt wheel 332 drives driving pulley 322 to rotate.By arranging the size ratio of electrical machine belt pulley 331 and speed change belt wheel 332, realize gear.
Below with reference to the accompanying drawings describe the microwave heating equipment 100 according to a specific embodiment of the present utility model in detail, be worth understanding, following description is exemplary illustration, and can not be interpreted as restriction of the present utility model.
As shown in Fig. 1-Fig. 9, according to the microwave heating equipment 100 of the utility model embodiment, comprise shaft 1, drawer door 2, drive unit 3 and controller 43.
Specifically, in shaft 1, there is microwave heating chamber 10.The rear side of shaft 1 is provided with microwave emitter 5, transformer 41, electric capacity 42 and fan component 7, and wherein transformer 41 and electric capacity 42 are applicable to support microwave emitter 5, and fan component 7 can dispel the heat to microwave heating equipment 100.The top of shaft 1 is provided with waveguide 6, for being imported in microwave heating chamber 10 by microwave.The left and right sides of shaft 1 is respectively equipped with interlock bracket 14, close the door sense switch 15 and enabling sense switch 12 to be arranged in interlock bracket 14 and to be microswitch, sense switch 15 of wherein closing the door comprises pilot switch 111, primary switch 112 and secondary switch 113, the interlock bracket 14 in left side is provided with horizontally disposed pilot switch 111 and primary switch 112, primary switch 112 is positioned at the below of pilot switch 111, the interlock bracket 14 on right side is provided with secondary switch 113, primary switch 112 and enabling sense switch 12, secondary switch 113 is vertically arranged, primary switch 112 is horizontally disposed with and is positioned at the below of secondary switch 113, the top of enabling sense switch 12.
Drawer door 2 can be located in microwave heating chamber 10 movably forward and backward, the left and right sides of shaft 1 fixes a guide rail 13 respectively, guide rail splice 23 is respectively equipped with accordingly to be engaged in guide rail 13 in the left and right sides of drawer door 2, thus reach the effect of the slip of support drawer door 2, simultaneously, also be fixed with roller in the rear end of drawer door 2, easily slide to facilitate drawer door 2.The front end of drawer door 2 is provided with control panel 24, and control panel 24 is provided with the button controlling microwave heating equipment 100 working condition.Drawer door 2 is provided with enabling touch structure 21 and touch structure 22 of closing the door, and enabling touch structure 21 is for being located at the limited block of left rail connecting plate 23 rear end, and touch structure 22 of closing the door is for being located at the gate stop of the left and right sides of drawer door 2 rear surface.
The bottom of shaft 1 is provided with drive unit 3, drive unit 3 comprises motor 31 and push rod device 32, the rotary motion of motor 31 can be converted to the movable of push rod 321 by push rod device 32, like this, push rod device 32 is driven by motor 31, push rod 321 is connected with drawer door 2, thus only needs user on control panel 24, presses corresponding " opening " or " closedown " button and namely can control opening and closedown of drawer door 2.Controller 43 for being positioned at the computer board on rear side of shaft 1, controller 43 respectively with enabling sense switch 12, close the door sense switch 15 and drive unit 3 communication.
Drawer door 2 is provided with gate stop, and when drawer door 2 is closed, gate stop fastening interlock bracket 14, now machine just can cooking food.
When microwave heating equipment 100 works, user presses " opening " button on control panel 24, after controller 43 obtains instruction, just can send signal control motor 31 and rotate forward, the push rod device 32 that rotates through of motor 31 is converted into push rod 321 movement forward, thus opens drawer door 2.When drawer door 2 is opened to the range of setting, limited block can depress enabling sense switch 12, at this moment enabling sense switch 12 feedback signal, and controller 43 judges that drawer door 2 is opened and puts in place, thus drive unit 3 is quit work, and drawer door 2 stops mobile.When food is put into after in drawer door 2 by user, press " closedown " button on control panel 24, controller 43 can send signal control motor 31 and reverse, and push rod device 32 just can control push rod 321 and move backward, controls drawer door 2 and shuts.After drawer door 2 is closed, the gate stop of the left and right sides touches pilot switch 111, primary switch 112 and secondary switch 113 in interlock bracket 14, pilot switch 111, primary switch 112 and secondary switch 113 feed back signal to controller 43, controller 43 judges that drawer door 2 is closed and puts in place, thus drive unit 3 is quit work, drawer door 2 stops mobile.Now, user just according to the requirement of oneself, can select corresponding cooking function.
According to the microwave heating equipment 100 of the utility model embodiment, utilize mechanical system to locate the position judging drawer door 2, realize automatically opening or closing drawer door 2, reliable operation, and structure is simple, cost is low, long service life.
In description of the present utility model, it will be appreciated that, term " on ", D score, "front", "rear", "left", "right", " vertically ", " level ", " top ", " end ", " interior ", the orientation of the instruction such as " outward " or position relationship be based on orientation shown in the drawings or position relationship, only the utility model and simplified characterization for convenience of description, instead of the device of instruction or hint indication or element must have specific orientation, with specific azimuth configuration and operation, therefore can not be interpreted as restriction of the present utility model.
In description of the present utility model, it should be noted that, unless otherwise clearly defined and limited, term " installation ", " being connected ", " connection " should be interpreted broadly, and such as, can be fixedly connected with, also can be removably connect, or connect integratedly; Can be mechanical connection, also can be electrical connection; Can be directly be connected, also indirectly can be connected by intermediary, can be the connection of two element internals.For the ordinary skill in the art, concrete condition the concrete meaning of above-mentioned term in the utility model can be understood.
In the description of this description, specific features, structure, material or feature that the description of reference term " embodiment ", " some embodiments ", " further embodiment ", " embodiment ", " specific embodiment " etc. means to describe in conjunction with this embodiment are contained at least one embodiment of the present utility model.In this manual, identical embodiment is not necessarily referred to the schematic representation of above-mentioned term.And the specific features of description, structure, material or feature can combine in an appropriate manner in any one or more embodiments.
Although illustrate and described embodiment of the present utility model, those having ordinary skill in the art will appreciate that: can carry out multiple change, amendment, replacement and modification to these embodiments when not departing from principle of the present utility model and aim, scope of the present utility model is by claim and equivalents thereof.

Claims (12)

1. a microwave heating equipment, is characterized in that, comprising:
Shaft, has microwave heating chamber in described shaft, and described shaft is provided with close the door sense switch and enabling sense switch;
Drawer door, described drawer door is provided with enabling touch structure and touch structure of closing the door, described drawer door is arranged on described shaft opening between the open position of described microwave heating chamber and the closed position closing described microwave heating chamber movably, when described drawer door is positioned at described open position described enabling touch structure touch described enabling sense switch and described in close the door sense switch of closing the door described in touch structure release, to close the door described in touch structure of closing the door described in when described drawer door is positioned at described closed position touches sense switch and described enabling touch structure discharges described enabling sense switch,
For driving the drive unit of described drawer door movement between described open position and described closed position, described drive unit is arranged on described shaft and goes up with in described drawer door and be connected with another transmission;
Controller, described controller respectively with described enabling sense switch, described in close the door sense switch and described drive unit communication.
2. microwave heating equipment according to claim 1, is characterized in that, described shaft is provided with guide rail and described drawer door is provided with guide rail splice, and described guide rail splice is engaged on described guide rail movably.
3. microwave heating equipment according to claim 2, is characterized in that, described enabling touch structure is be located at the limited block on described guide rail splice, described in touch structure of closing the door be located at the gate stop on described drawer door.
4. microwave heating equipment according to claim 3, it is characterized in that, described shaft is provided with interlock bracket, described enabling sense switch and described sense switch of closing the door are arranged in described interlock bracket, wherein, when described drawer door is positioned at described closed position, described gate stop is hooked in described interlock bracket, and when described drawer door is positioned at described open position, described limited block is by described interlock bracket backstop.
5. the microwave heating equipment according to any one of claim 1-4, it is characterized in that, described sense switch of closing the door comprise respectively with the pilot switch of described controller communication, primary switch and secondary switch, touch structure of closing the door described in when described drawer door is positioned at described closed position touches described pilot switch, described primary switch and described secondary switch respectively, and touch structure of closing the door described in when described drawer door is positioned at described open position discharges described pilot switch, described primary switch and described secondary switch respectively.
6. microwave heating equipment according to claim 5, it is characterized in that, described primary switch is two, described pilot switch and described primary switch are located at the left part of described shaft, described secondary switch and primary switch described in another are located at the right part of described shaft, described touch structure of closing the door is two and is located at left part and the right part of described drawer door respectively, wherein
When described drawer door is positioned at described closed position, the touch structure of closing the door being positioned at described drawer door left part touches described pilot switch and a described primary switch respectively, and the touch structure of closing the door being positioned at described drawer door right part touches described secondary switch and another primary switch described respectively;
When described drawer door is positioned at described open position, the touch structure of closing the door being positioned at described drawer door left part discharges described pilot switch and a described primary switch respectively, and the touch structure of closing the door being positioned at described drawer door right part discharges described secondary switch and another primary switch described respectively.
7. microwave heating equipment according to claim 6, is characterized in that, described pilot switch and a described primary switch are all horizontally disposed with and a described primary switch is positioned at below described pilot switch;
Described secondary switch is vertically arranged, and another primary switch described is horizontally disposed with and is positioned at below described secondary switch.
8. microwave heating equipment according to claim 5, is characterized in that, described pilot switch, described primary switch, described secondary switch and described enabling sense switch are microswitch.
9. microwave heating equipment according to claim 1, is characterized in that, described drive unit comprises:
Motor, described motor is arranged on described shaft, described controller and described motor communication;
Push rod device, described push rod device is connected with described drawer door with described motor respectively and is the linear movement of described drawer door by the convert rotational motion of described motor.
10. microwave heating equipment according to claim 9, is characterized in that, described push rod device comprises:
Driving pulley and driven pulley, described driving pulley and described driven pulley are rotatably installed on described shaft respectively, and described motor and described driving pulley are in transmission connection;
Push rod driving-belt, described push rod driving-belt is set on described driving pulley and described driven pulley, and described motor drives described driving pulley to rotate to drive described push rod conveyor belt motion;
Push rod, described push rod is connected with described drawer with described push rod driving-belt respectively, and described push rod moves in the drive lower linear of described push rod driving-belt to drive described drawer door to move between described open position and described closed position.
11. microwave heating equipments according to claim 10, is characterized in that, described drive unit also comprises gear assembly, and described motor is in transmission connection by described gear assembly and described driving pulley.
12. microwave heating equipments according to claim 11, is characterized in that, described gear assembly comprises:
Electrical machine belt pulley, described electrical machine belt pulley is connected with described motor-driven;
Speed change belt wheel, described speed change belt wheel and described driving pulley are in transmission connection;
Variable transmission belt, described variable transmission belt is set on described electrical machine belt pulley and described speed change belt wheel, and described variable transmission belt drives described speed change belt wheel to rotate under the drive of described electrical machine belt pulley.
CN201520732541.3U 2015-09-21 2015-09-21 Microwave heating device Withdrawn - After Issue CN205026752U (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
CN201520732541.3U CN205026752U (en) 2015-09-21 2015-09-21 Microwave heating device
PCT/CN2015/090804 WO2017049622A1 (en) 2015-09-21 2015-09-25 Microwave heating apparatus
US14/865,020 US10462857B2 (en) 2015-09-21 2015-09-25 Microwave heating device

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Application Number Priority Date Filing Date Title
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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105135495A (en) * 2015-09-21 2015-12-09 广东美的厨房电器制造有限公司 Micro-wave heating device
WO2017049622A1 (en) * 2015-09-21 2017-03-30 广东美的厨房电器制造有限公司 Microwave heating apparatus
US10462857B2 (en) 2015-09-21 2019-10-29 Guangdong Midea Kitchen Appliances Manufacturing Co., Ltd. Microwave heating device
CN111542146A (en) * 2020-06-12 2020-08-14 上海卞励实业有限公司 Non-contact radiation-proof microwave device
CN112773215A (en) * 2021-02-01 2021-05-11 广东格兰仕集团有限公司 Drawer type cooking apparatus and control method thereof

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105135495A (en) * 2015-09-21 2015-12-09 广东美的厨房电器制造有限公司 Micro-wave heating device
WO2017049622A1 (en) * 2015-09-21 2017-03-30 广东美的厨房电器制造有限公司 Microwave heating apparatus
CN105135495B (en) * 2015-09-21 2017-09-29 广东美的厨房电器制造有限公司 Microwave heating equipment
US10462857B2 (en) 2015-09-21 2019-10-29 Guangdong Midea Kitchen Appliances Manufacturing Co., Ltd. Microwave heating device
CN111542146A (en) * 2020-06-12 2020-08-14 上海卞励实业有限公司 Non-contact radiation-proof microwave device
CN112773215A (en) * 2021-02-01 2021-05-11 广东格兰仕集团有限公司 Drawer type cooking apparatus and control method thereof

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