CN104697011A - Vehicle-mounted semiconductor microwave oven - Google Patents
Vehicle-mounted semiconductor microwave oven Download PDFInfo
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- CN104697011A CN104697011A CN201410294983.4A CN201410294983A CN104697011A CN 104697011 A CN104697011 A CN 104697011A CN 201410294983 A CN201410294983 A CN 201410294983A CN 104697011 A CN104697011 A CN 104697011A
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- power supply
- semiconductor microwave
- vehicle
- control device
- microwave oven
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B6/00—Heating by electric, magnetic or electromagnetic fields
- H05B6/64—Heating using microwaves
- H05B6/66—Circuits
- H05B6/664—Aspects related to the power supply of the microwave heating apparatus
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- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Inverter Devices (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The invention discloses a vehicle-mounted semiconductor microwave oven. The vehicle-mounted semiconductor microwave oven comprises a cavity, a semiconductor microwave generator, a power supply device, a switch power supply and a control device, wherein the semiconductor microwave generator is used for generating microwaves and feeding the microwaves into the cavity; the power supply device comprises a single-pole double-throw control switch; the switch power supply is connected with an alternating current power supply and a direct current power supply by the single-pole double-throw control switch respectively; the switch power supply is used for converting direct current of first voltage output by the direct current power supply into direct current of second voltage to be supplied to the semiconductor microwave generator, or converting alternating current output by the alternating current power supply into the direct current of the second voltage to be supplied to the semiconductor microwave generator; the control device is connected with the single-pole double-throw control switch; and the control device is connected with the switch power supply by selecting the direct current power supply or the alternating current power supply through controlling the single-pole double-throw control switch. The vehicle-mounted semiconductor microwave oven can realize vehicle-mounted direct current power supply without an inverter, so that the cost is reduced, the volume and weight are reduced and the vehicle-mounted semiconductor microwave oven is convenient to carry.
Description
Technical field
The present invention relates to micro-wave oven technical field, particularly the vehicle-mounted semiconductor microwave oven of one.
Background technology
In correlation technique, automobile be vehicle-carried microwave stove power time, be, after the alternating current of 220V, resupply vehicle-carried microwave stove by 12V or the 24V DC inverter on automobile.
But, by the mode of DC inversion be vehicle-carried microwave stove power time, need to increase inverter in power supply circuits, power supply circuits not only can be caused complicated, reliability reduces, and the volume of vehicle-carried microwave stove, weight also can be caused to become large, not portable.
Summary of the invention
Object of the present invention is intended to solve above-mentioned technological deficiency at least to a certain extent.
For this reason, the object of the invention is to propose a kind of DC inversion technology that do not use and just can realize the vehicle-mounted semiconductor microwave oven of being powered by Alternating Current Power Supply or Vehicular direct-current, this vehicle-mounted semiconductor microwave oven highly versatile.
For achieving the above object, the vehicle-mounted semiconductor microwave oven of one that the embodiment of the present invention proposes, comprising: cavity; Produce microwave and described microwave is fed into the semiconductor microwave generator in described cavity; Electric supply installation, described electric supply installation comprises: single-pole double throw gauge tap; Switching Power Supply, described Switching Power Supply is connected with dc source with AC power respectively by described single-pole double throw gauge tap, the direct current of the first voltage that described dc source exports by described Switching Power Supply is converted to the direct current of the second voltage to supply described semiconductor microwave generator, or the alternating current that described AC power exports is converted to the direct current of described second voltage to supply described semiconductor microwave generator, wherein, described second voltage is greater than described first voltage; Control device, described control device is connected with described single-pole double throw gauge tap, and described control device is connected to described Switching Power Supply by controlling described single-pole double throw gauge tap to select described dc source or described AC power.
According to the vehicle-mounted semiconductor microwave oven of the embodiment of the present invention, just can realize Vehicular direct-current without the need to inverter and power, reduce cost, and greatly reduce volume and weight, be easy to carry.In addition, can also Alternating Current Power Supply be passed through, can family use, highly versatile.
According to one embodiment of present invention, described vehicle-mounted semiconductor microwave oven also comprises: detect the power detector being input to the power supply type of described electric supply installation, described power detector is connected with described control device, wherein, described control device controls described single-pole double throw gauge tap according to the power supply type being input to described electric supply installation.
According to one embodiment of present invention, described vehicle-mounted semiconductor microwave oven, also comprises the first power interface for being connected to described dc source and the second source interface for being connected to described AC power.
Wherein, when described dc source is battery module, described battery module comprises charging inlet and power supply output interface, and described power supply output interface and described first power interface match.
Further, described power supply output interface is building block system interface.
According to one embodiment of present invention, described power detector comprises limit switch, one end ground connection of described limit switch, the other end of described limit switch is connected with described control device, and described control device judges the type of the dc source of access by the switching signal detecting described limit switch.
According to one embodiment of present invention, described power detector also comprises: the zero cross detection circuit detecting the zero cross signal of described second source interface, and described zero cross detection circuit is connected with described control device; Gate-controlled switch, one end of described gate-controlled switch is connected with described first power interface, and the control end of described gate-controlled switch is connected with described control device; Comparator, the first input end of described comparator is connected with the other end of described gate-controlled switch, and the output of described comparator is connected with described control device; Voltage-stabiliser tube, the anode of described voltage-stabiliser tube is connected with described control device, and the negative electrode of described voltage-stabiliser tube is connected with the second input of described comparator.
Wherein, when described zero cross detection circuit detects the zero cross signal of described second source interface, described control device is connected to described Switching Power Supply by controlling described single-pole double throw gauge tap to make described AC power; When described zero cross detection circuit does not detect the zero cross signal of described second source interface, described control device controls described gate-controlled switch and closes, and controls to make described dc source be connected to described Switching Power Supply to described single-pole double throw gauge tap according to the comparison signal that described comparator exports.
According to one embodiment of present invention, when described single-pole double throw gauge tap is single-pole double-throw relay, described vehicle-mounted semiconductor microwave oven also comprises: power supply changeover device, described power supply changeover device is connected with described second source interface with described first power interface respectively, and described power supply changeover device exports the direct current of tertiary voltage to supply described single-pole double-throw relay.
According to one embodiment of present invention, described vehicle-mounted semiconductor microwave oven also comprises cooling device.
The aspect that the present invention adds 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 invention.
Accompanying drawing explanation
The present invention above-mentioned and/or additional aspect and advantage will become obvious and easy understand from the following description of the accompanying drawings of embodiments, wherein:
Fig. 1 is the schematic diagram of the vehicle-mounted semiconductor microwave oven according to the embodiment of the present invention;
Fig. 2 is the block diagram of the vehicle-mounted semiconductor microwave oven according to the embodiment of the present invention;
Fig. 3 is the circuit diagram of vehicle-mounted according to an embodiment of the invention semiconductor microwave oven;
Fig. 4 is the bottom schematic view of vehicle-mounted according to an embodiment of the invention semiconductor microwave oven;
Fig. 5 is the block diagram of battery module according to an embodiment of the invention;
Fig. 6 is the schematic diagram of vehicle-mounted according to an embodiment of the invention semiconductor microwave oven; And
Fig. 7 is the exploded perspective view of vehicle-mounted according to an embodiment of the invention semiconductor microwave oven.
Reference numeral:
Cavity 10, semiconductor microwave generator 20, electric supply installation 30 and control device 40, power detector 50, the first power interface 60, second source interface 60, power supply changeover device 70, battery module 80, cooling device 90, pcb board 100, upper cover 110;
Electric supply installation 30: single-pole double throw gauge tap 302 and Switching Power Supply 303;
Power detector 50: zero cross detection circuit 501, gate-controlled switch 502, comparator 503 and voltage-stabiliser tube 504, limit switch 3014;
Battery module 80: charging inlet 801, power supply output interface 802.
Detailed description of the invention
Be described below in detail embodiments of the invention, 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 present invention, and can not limitation of the present invention being interpreted as.
Disclosing hereafter provides many different embodiments or example is used for realizing different structure of the present invention.Of the present invention open in order to simplify, hereinafter the parts of specific examples and setting are described.Certainly, they are only example, and object does not lie in restriction the present invention.In addition, the present invention can in different example repeat reference numerals and/or letter.This repetition is to simplify and clearly object, itself does not indicate the relation between discussed various embodiment and/or setting.In addition, the various specific technique that the invention provides and the example of material, but those of ordinary skill in the art can recognize the property of can be applicable to of other techniques and/or the use of other materials.In addition, fisrt feature described below second feature it " on " structure can comprise the embodiment that the first and second features are formed as directly contact, also can comprise other feature and be formed in embodiment between the first and second features, such first and second features may not be direct contacts.
In describing the invention, it should be noted that, unless otherwise prescribed and limit, term " installation ", " being connected ", " connection " should be interpreted broadly, such as, can be mechanical connection or electrical connection, also can be the connection of two element internals, can be directly be connected, also indirectly can be connected by intermediary, for the ordinary skill in the art, the concrete meaning of above-mentioned term can be understood as the case may be.
The vehicle-mounted semiconductor microwave oven proposed according to the embodiment of the present invention is described with reference to the accompanying drawings.
Fig. 1 is the schematic diagram of the vehicle-mounted semiconductor microwave oven according to the embodiment of the present invention, and Fig. 2 is the block diagram of the vehicle-mounted semiconductor microwave oven according to the embodiment of the present invention, and Fig. 3 is the circuit diagram of vehicle-mounted according to an embodiment of the invention semiconductor microwave oven.As shown in Figure 1, Figure 2 and Figure 3, this vehicle-mounted semiconductor microwave oven comprises: cavity 10, semiconductor microwave generator 20, electric supply installation 30 and control device 40.
Wherein, described microwave to be fed in cavity 10 for generation of microwave by semiconductor microwave generator 20.As shown in Figure 3, electric supply installation 30 comprises: single-pole double throw gauge tap 302 and Switching Power Supply 303.Switching Power Supply 303 is connected with AC power such as AC220V electric main with the direct current of dc source such as DC12V respectively by single-pole double throw gauge tap 302, Switching Power Supply 303 converts the direct current of the second voltage such as 32V to supply semiconductor microwave generator 20 for the direct current of the first voltage such as 12V exported by dc source, or the alternating current that described AC power exports is converted to the direct current of the second voltage such as 32V to supply semiconductor microwave generator 20, wherein, described second voltage is greater than described first voltage.According to one embodiment of present invention, single-pole double throw gauge tap 302 can be single-pole double-throw relay.
Therefore say, in an embodiment of the present invention, the input of Switching Power Supply 303 can be AC220V, also can be DC12V.When the power supply being input to Switching Power Supply 303 is AC220V alternating current, Switching Power Supply 303 converts AC220V alternating current to DC32V direct current by rectifier transformer, for semiconductor microwave generator 20 is powered, semiconductor microwave generator 20 produces microwave and is fed in cavity 10; When the power supply being input to Switching Power Supply 303 is the direct current of 12V, the direct current boost conversion of 12V is become DC32V by Switching Power Supply 303, for semiconductor microwave generator 20 is powered, semiconductor microwave generator 20 produces microwave and is fed in cavity 10, and achieving vehicle-mounted DC12V is the function that semiconductor microwave oven is powered.Wherein, semiconductor microwave generator 20 also can reserve the input interface of DC32V, to be used for directly accessing the dc source of 32V, Simultaneous Switching power supply 303 also can reserve the input interface of DC12V, to be used for directly accessing the dc source such as battery module of 12V, thus the dual-purpose of vehicle-mounted semiconductor microwave oven can be improved.
As shown in Figure 3, control device 40 such as computer board is connected with single-pole double throw gauge tap 302, and control device 40 is connected to Switching Power Supply 303 by controlling single-pole double throw gauge tap 302 to select described dc source or described AC power.
According to one embodiment of present invention, as shown in Figure 3, above-mentioned vehicle-mounted semiconductor microwave oven also comprises: detect the power detector 50 being input to the power supply type (such as dc source or AC power) of electric supply installation 30, power detector 50 is connected with control device 40, wherein, control device 40 controls single-pole double throw gauge tap 302 according to the power supply type being input to electric supply installation 30.
Particularly, as shown in Figure 3 and Figure 4, above-mentioned vehicle-mounted semiconductor microwave oven also comprises for being connected to galvanic first power interface 101 of dc source such as DC12V and the second source interface 60 for being connected to AC power such as AC220V electric main.Further, power detector 50 comprises: zero cross detection circuit 501, gate-controlled switch 502, comparator 503 and voltage-stabiliser tube 504.Wherein, zero cross detection circuit 501 is connected with control device 40, zero cross detection circuit 501 is for detecting the zero cross signal of second source interface 60, one end of gate-controlled switch 502 is connected with the first power interface 101, the control end of gate-controlled switch 502 is connected with control device 40, the first input end of comparator 503 is connected with the other end of gate-controlled switch 502, the output of comparator 503 is connected with control device 40, the anode of voltage-stabiliser tube 504 is connected with control device 40, and the negative electrode of voltage-stabiliser tube 504 is connected with the second input of comparator 503.Wherein, control device 40 such as computer board, power detector 50 can be arranged on pcb board 100.
In an embodiment of the present invention, when zero cross detection circuit 501 detects the zero cross signal of second source interface 60, control device 40 such as computer board is connected to Switching Power Supply 303 by controlling single-pole double throw gauge tap 502 to make AC power; When zero cross detection circuit 501 does not detect the zero cross signal of second source interface 60, control device 40 such as computer board controls gate-controlled switch 502 and closes, if the first power interface 101 be connected with the first input end of comparator 503 accesses 12V direct current, comparator 503 exports comparison signal to control device 40, the comparison signal that control device 40 exports according to comparator 503 controls single-pole double throw gauge tap 302, is connected to Switching Power Supply 303 to make dc source.
Wherein, as shown in Figure 3, when single-pole double throw gauge tap 302 is single-pole double-throw relay, above-mentioned vehicle-mounted semiconductor microwave oven also comprises: power supply changeover device 70, power supply changeover device 70 is connected with the first power interface 101 with second source interface 60 respectively, power supply changeover device 70 is for being converted to the direct current of tertiary voltage such as 15V by the 220V alternating current of AC power, or the 12V direct current of dc source is converted to the direct current of tertiary voltage such as 15V, namely say, power supply changeover device 70 exports the direct current of tertiary voltage such as 15V to supply single-pole double-throw relay.Power supply changeover device 70, single-pole double-throw relay all can be arranged on pcb board 100.
According to one embodiment of present invention, as shown in Figure 5 and Figure 6, when described dc source is battery module 80, battery module 80 comprises charging inlet 801 and power supply output interface 802, and power supply output interface 802 and the first power interface 60 match.
Further, the output interface 802 of powering to be powered building block system interface for building block system interface and micro-wave oven.Power for vehicle-mounted semiconductor microwave oven by increasing battery module 80, can realize being in or charging to battery module 80 in driving, when the work of needs vehicle-mounted semiconductor microwave oven, battery module 80 can high power discharge, realizes the heating function of vehicle-mounted semiconductor microwave oven.Wherein, AC220V or DC12V all can charge to battery module 80, when using battery module 80, battery module 80 exports DC12V, Switching Power Supply 303 is connected to by single-pole double-throw relay 302, Switching Power Supply 303 is by DC12V boosting for powering for semiconductor microwave generator 20 after DC32V, and semiconductor microwave generator 20 launched microwave is in cavity 10.It is special in the power ratio of car cigarette lighter is less, by car cigarette lighter, battery module 80 is charged for a long time, during vehicle-mounted semiconductor microwave oven to be used, battery module 80 can high power discharge, avoids the too small and defect that heating function that is that cannot meet vehicle-mounted semiconductor microwave oven brings of car cigarette lighter power.
In an embodiment of the present invention, as shown in Figure 3, power detector 50 also comprises: limit switch 3014.Wherein, one end ground connection of limit switch 3014, the other end of limit switch 3014 is connected with control device 40, and control device 40 judges the type of the dc source of access by the switching signal of detectability bit switch 3014.
In an embodiment of the present invention, by zero cross detection circuit detect the power supply wave shape being input to vehicle-mounted semiconductor microwave oven whether have zero crossing to judge input power is AC power or dc source.Wherein, when to be dc source be input power, control device such as computerized version judges the DC12V power supply of cigar lighter DC12V power supply or battery module by the switching signal of detectability bit switch, such as, being the input of cigar lighter DC12V power supply when detecting that limit switch closes, is the input of battery module DC12V power supply when detecting that limit switch disconnects.
In an embodiment of the present invention, as shown in Figure 7, above-mentioned vehicle-mounted semiconductor microwave oven also comprises the cooling device 90 such as parts such as cooling fan assembly, upper cover 110, and wherein, cooling device 90 such as cooling fan assembly is that whole micro-wave oven carries out heat radiation work.
According to the vehicle-mounted semiconductor microwave oven of the embodiment of the present invention, just can realize Vehicular direct-current without the need to inverter and power, reduce cost, and greatly reduce volume and weight, be easy to carry.In addition, can also Alternating Current Power Supply be passed through, can family use, highly versatile.
In the description of this description, specific features, structure, material or feature that the description of reference term " embodiment ", " some embodiments ", " example ", " concrete example " or " some examples " etc. means to describe in conjunction with this embodiment or example are contained at least one embodiment of the present invention or example.In this manual, identical embodiment or example are 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 embodiment or example.
Although illustrate and describe embodiments of the invention, for the ordinary skill in the art, be appreciated that and can carry out multiple change, amendment, replacement and modification to these embodiments without departing from the principles and spirit of the present invention, scope of the present invention is by claims and equivalency thereof.
Claims (10)
1. a vehicle-mounted semiconductor microwave oven, is characterized in that, comprising:
Cavity;
Produce microwave and described microwave is fed into the semiconductor microwave generator in described cavity;
Electric supply installation, described electric supply installation comprises:
Single-pole double throw gauge tap;
Switching Power Supply, described Switching Power Supply is connected with dc source with AC power respectively by described single-pole double throw gauge tap, the direct current of the first voltage that described dc source exports by described Switching Power Supply is converted to the direct current of the second voltage to supply described semiconductor microwave generator, or the alternating current that described AC power exports is converted to the direct current of described second voltage to supply described semiconductor microwave generator, wherein, described second voltage is greater than described first voltage;
Control device, described control device is connected with described single-pole double throw gauge tap, and described control device is connected to described Switching Power Supply by controlling described single-pole double throw gauge tap to select described dc source or described AC power.
2. vehicle-mounted semiconductor microwave oven as claimed in claim 1, is characterized in that, also comprise:
Detect the power detector being input to the power supply type of described electric supply installation, described power detector is connected with described control device, wherein, described control device controls described single-pole double throw gauge tap according to the power supply type being input to described electric supply installation.
3. vehicle-mounted semiconductor microwave oven as claimed in claim 1, is characterized in that, also comprises the first power interface for being connected to described dc source and the second source interface for being connected to described AC power.
4. vehicle-mounted semiconductor microwave oven as claimed in claim 3, is characterized in that, when described dc source is battery module, described battery module comprises charging inlet and power supply output interface, and described power supply output interface and described first power interface match.
5. vehicle-mounted semiconductor microwave oven as claimed in claim 4, is characterized in that, described power supply output interface is building block system interface.
6. vehicle-mounted semiconductor microwave oven as claimed in claim 2, it is characterized in that, described power detector comprises limit switch, one end ground connection of described limit switch, the other end of described limit switch is connected with described control device, and described control device judges the type of the dc source of access by the switching signal detecting described limit switch.
7. vehicle-mounted semiconductor microwave oven as claimed in claim 3, is characterized in that, described power detector also comprises:
Detect the zero cross detection circuit of the zero cross signal of described second source interface, described zero cross detection circuit is connected with described control device;
Gate-controlled switch, one end of described gate-controlled switch is connected with described first power interface, and the control end of described gate-controlled switch is connected with described control device;
Comparator, the first input end of described comparator is connected with the other end of described gate-controlled switch, and the output of described comparator is connected with described control device;
Voltage-stabiliser tube, the anode of described voltage-stabiliser tube is connected with described control device, and the negative electrode of described voltage-stabiliser tube is connected with the second input of described comparator.
8. vehicle-mounted semiconductor microwave oven as claimed in claim 7, is characterized in that,
When described zero cross detection circuit detects the zero cross signal of described second source interface, described control device is connected to described Switching Power Supply by controlling described single-pole double throw gauge tap to make described AC power;
When described zero cross detection circuit does not detect the zero cross signal of described second source interface, described control device controls described gate-controlled switch and closes, and controls to make described dc source be connected to described Switching Power Supply to described single-pole double throw gauge tap according to the comparison signal that described comparator exports.
9. vehicle-mounted semiconductor microwave oven as claimed in claim 3, is characterized in that, when described single-pole double throw gauge tap is single-pole double-throw relay, also comprises:
Power supply changeover device, described power supply changeover device is connected with described second source interface with described first power interface respectively, and described power supply changeover device exports the direct current of tertiary voltage to supply described single-pole double-throw relay.
10. vehicle-mounted semiconductor microwave oven as claimed in any one of claims 1-9 wherein, is characterized in that, also comprise cooling device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410294983.4A CN104697011B (en) | 2014-06-25 | 2014-06-25 | Vehicle-mounted semiconductor microwave oven |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410294983.4A CN104697011B (en) | 2014-06-25 | 2014-06-25 | Vehicle-mounted semiconductor microwave oven |
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| CN104697011A true CN104697011A (en) | 2015-06-10 |
| CN104697011B CN104697011B (en) | 2016-07-06 |
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| CN201410294983.4A Active CN104697011B (en) | 2014-06-25 | 2014-06-25 | Vehicle-mounted semiconductor microwave oven |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105864846A (en) * | 2016-05-12 | 2016-08-17 | 成都沃特塞恩电子技术有限公司 | Vehicle-mounted microwave oven |
| CN106658805A (en) * | 2016-10-28 | 2017-05-10 | 广东美的厨房电器制造有限公司 | On-board microwave oven and control method of on-board microwave |
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| Publication number | Publication date |
|---|---|
| CN104697011B (en) | 2016-07-06 |
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