CN111102605A - Self-generating intelligent cooker - Google Patents
Self-generating intelligent cooker Download PDFInfo
- Publication number
- CN111102605A CN111102605A CN202010008447.9A CN202010008447A CN111102605A CN 111102605 A CN111102605 A CN 111102605A CN 202010008447 A CN202010008447 A CN 202010008447A CN 111102605 A CN111102605 A CN 111102605A
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- CN
- China
- Prior art keywords
- voltage
- generating
- self
- power
- circuit
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 238000010248 power generation Methods 0.000 claims abstract description 35
- 239000007789 gas Substances 0.000 claims abstract description 15
- 238000002485 combustion reaction Methods 0.000 claims abstract description 5
- 239000002918 waste heat Substances 0.000 claims abstract description 5
- 230000017525 heat dissipation Effects 0.000 claims description 8
- 239000007788 liquid Substances 0.000 claims description 8
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 5
- 239000000741 silica gel Substances 0.000 claims description 5
- 229910002027 silica gel Inorganic materials 0.000 claims description 5
- 238000007599 discharging Methods 0.000 claims description 3
- 238000001816 cooling Methods 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 3
- 239000003990 capacitor Substances 0.000 description 8
- 238000010411 cooking Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000002737 fuel gas Substances 0.000 description 2
- 238000005057 refrigeration Methods 0.000 description 2
- 239000004065 semiconductor Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24C—DOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
- F24C3/00—Stoves or ranges for gaseous fuels
- F24C3/12—Arrangement or mounting of control or safety devices
- F24C3/126—Arrangement or mounting of control or safety devices on ranges
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0029—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/32—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries for charging batteries from a charging set comprising a non-electric prime mover rotating at constant speed
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M3/00—Conversion of DC power input into DC power output
- H02M3/02—Conversion of DC power input into DC power output without intermediate conversion into AC
- H02M3/04—Conversion of DC power input into DC power output without intermediate conversion into AC by static converters
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02N—ELECTRIC MACHINES NOT OTHERWISE PROVIDED FOR
- H02N11/00—Generators or motors not provided for elsewhere; Alleged perpetua mobilia obtained by electric or magnetic means
- H02N11/002—Generators
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
本发明涉及燃气灶具技术领域，具体涉及一种自发电的智能灶具，其包括用于利用燃气燃烧余热进行发电的发电模块、用于把发电模块所产生的电压进行升压输出的低压启动电路和用于供电给所述智能灶具的蓄电池，低压启动电路升压输出的电压为蓄电池进行充电。由于本发明增加了把发电模块所产生的电压进行升压输出的低压启动电路，因而低压启动电路把发电模块所产生的小于1V电压升压至1.5V以上，从而达到给蓄电池充电的电压要求，实现对蓄电池进行充电，从而满足了智能灶具智能控制过程中的耗电需求，使得智能灶具实现了电能的自给自足。
The present invention relates to the technical field of gas cookers, in particular to a self-generating smart cooker, comprising a power generation module for generating power by utilizing the waste heat of gas combustion, a low-voltage start-up circuit for boosting and outputting the voltage generated by the power generating module, and The battery is used to supply power to the smart cooker, and the voltage boosted and output by the low-voltage start-up circuit charges the battery. Since the invention adds a low-voltage start-up circuit that boosts the voltage generated by the power-generating module and outputs it, the low-voltage start-up circuit boosts the voltage less than 1V generated by the power-generating module to more than 1.5V, so as to meet the voltage requirement for charging the battery, The battery can be charged, thereby meeting the power consumption demand in the intelligent control process of the smart cooker, and making the smart cooker self-sufficient in electric energy.
Description
Technical Field
The invention relates to the technical field of gas cookers, in particular to a self-generating intelligent cooker.
Background
Gas cooking utensils have become indispensable household electrical appliances in people's daily life. The existing gas cookers are roughly divided into two types, one type is a gas cooker powered by a battery, the function is simpler, and the battery mainly supplies power to an igniter to enable the igniter to realize ignition; the other type is an intelligent cooker which is powered by mains supply, and the mains supply is converted into safe low-voltage electricity to realize the functions of ignition and intelligent control.
With the pursuit of people on the living quality and the cost performance of the gas stove, the first common gas stove powered by the battery cannot meet the requirements of users. For example, in the current common gas stove powered by a battery, a mechanical knob is generally adopted to control a valve body so as to adjust the firepower, but the mechanical knob cannot realize automatic control, and is higher than a glass panel, so that the appearance is influenced, and inconvenience is caused when the gas stove is cleaned. Therefore, the first type of conventional gas range has failed to satisfy the user's demand.
For the second type of gas stove adopting mains supply for power supply, although a part of intelligent control functions are realized, the gas stove adopts the mains supply for power supply, so that great potential safety hazards exist. In order to solve the problem, the output voltage of the power generation module of the semiconductor refrigeration sheet is directly charged with the storage battery under the Chinese patent application numbers of CN201810326963.9 and CN201810680802.X, but the output voltage of the power generation module, such as the semiconductor refrigeration sheet, is below 1V, so that the storage battery is difficult to charge.
Disclosure of Invention
The invention aims to provide a self-generating intelligent cooker capable of charging a storage battery.
The invention provides a self-generating intelligent cooker which comprises a power generation module, a low-voltage starting circuit and a storage battery, wherein the power generation module is used for generating power by utilizing waste heat generated by combustion of fuel gas, the low-voltage starting circuit is used for boosting and outputting voltage generated by the power generation module, the storage battery is used for supplying power to the intelligent cooker, and the voltage boosted and output by the low-voltage starting circuit is used for charging the storage battery.
The low-voltage starting circuit comprises a boosting DC/DC converter U1, and the boosting DC/DC converter U1 adopts a PT1301 type converter.
Wherein, be equipped with charge-discharge protection circuit between low pressure starting circuit and battery.
The charging and discharging protection circuit comprises a battery protection chip U2, and the battery protection chip U2 adopts a DW01 model chip.
The power generation module comprises a heat taking plate, a power generation sheet and a heat dissipation device, wherein the hot end of the power generation sheet is in contact with the heat taking plate, and the cold end of the power generation sheet is in contact with the heat dissipation device; the heat taking plate is arranged below a liquid bearing disc of the intelligent cooker and used for absorbing heat of the liquid bearing disc.
Wherein, heat abstractor passes through the cold junction that heat conduction silica gel bonded trigger electric piece.
Wherein, the power generation module is provided with a plurality of power generation modules; the power generation modules are distributed annularly around the furnace end of the stove.
Wherein, the output end of the low-voltage starting circuit is connected with a USB interface.
Wherein, the storage battery provides electric energy for the electric control device of the kitchen range.
The invention has the beneficial effects that: because the low-voltage starting circuit for boosting and outputting the voltage generated by the power generation module is added, the voltage which is less than 1V and is generated by the power generation module is boosted to be more than 1.5V by the low-voltage starting circuit, so that the voltage requirement for charging the storage battery is met, the storage battery is charged, the power consumption requirement in the intelligent control process of the intelligent cooker is met, and the intelligent cooker realizes the self-sufficiency of electric energy.
Drawings
The invention is further illustrated by means of the attached drawings, but the embodiments in the drawings do not constitute any limitation to the invention, and for a person skilled in the art, other drawings can be obtained on the basis of the following drawings without inventive effort.
Fig. 1 is a schematic structural diagram of the whole intelligent self-generating cooker.
Fig. 2 is a sectional view of a self-generating smart hob of the present invention.
Fig. 3 is a circuit schematic of a low voltage start-up circuit.
Fig. 4 is a schematic circuit diagram of charge/discharge protection circuit.
The reference numerals in the figures include: 1-furnace end, 2-liquid bearing disc, 3-power generation module, 31-heat taking plate, 32-power generation sheet, 33-heat dissipation device, 4-low voltage starting circuit, 5-charge-discharge protection circuit, 6-circuit control panel, 7-USB interface.
Detailed Description
The invention is further described with reference to the following examples.
The invention provides a self-generating intelligent cooker, which comprises a furnace end 1, a liquid bearing disc 2, a power generation module 3, a low-voltage starting circuit 4, a charge-discharge protection circuit 5, a USB interface 7, a circuit control panel 6 and an electric control device, wherein the power generation module 3 generates power by using waste heat generated by combustion of fuel gas, the low-voltage starting circuit 4 is used for boosting the voltage generated by the power generation module 3 and outputting the boosted voltage to a storage battery for charging, and the storage battery is used for supplying power to the intelligent cooker, as shown in figures 1 and 2. Because the low-voltage starting circuit 4 for boosting and outputting the voltage generated by the power generation module 3 is added, the voltage which is less than 1V and is generated by the power generation module 3 is boosted to be more than 1.5V by the low-voltage starting circuit 4, so that the voltage requirement for charging the storage battery is met, the storage battery is charged, the power consumption requirement in the intelligent control process of the intelligent cooker is met, and the intelligent cooker realizes the self-sufficiency of electric energy.
In this embodiment, the power generation module 3 includes a heat collecting plate 31, a power generation sheet 32, and a heat dissipation device 33, wherein the hot end of the power generation sheet 32 contacts the heat collecting plate 31, and the cold end thereof contacts the heat dissipation device 33; the heat taking plate 31 is arranged below the liquid bearing disc 2 of the intelligent cooker, and the heat taking plate 31 is used for absorbing heat of the liquid bearing disc 2. Specifically, the hot end outgoing line of the power generating sheet 32 is the positive end Vin of the power generating sheet 32, and the cold end outgoing line of the power generating sheet 32 is the negative end P-of the power generating sheet 32. The heat dissipation device 33 is connected with the cold end of the trigger electric sheet 32 through heat conduction silica gel, and the heat conduction silica gel is arranged between the heat dissipation device 33 and the cold end of the power generation sheet 32, so that on one hand, the heat conduction silica gel can play a role in buffering, and the purpose of protecting the cold end of the trigger electric sheet 32 is achieved; on the other hand, the heat at the cold end of the power generating sheet 32 can be effectively transferred to the heat sink 33.
In the present embodiment, as shown in fig. 3, the positive terminal Vin and the negative terminal P-of the power generation module 3 are connected to the input terminal of the low-voltage start circuit 4, and preferably, the low-voltage start circuit 4 includes a boost DC/DC converter U1, and the boost DC/DC converter U1 is a PT1301 type converter. The low-voltage starting circuit 4 further comprises a decoupling capacitor C1, a decoupling capacitor C2, a decoupling capacitor C3, a decoupling capacitor C4, an inductor L1, a diode D1, a voltage dividing resistor R1 and a voltage dividing resistor R2, a positive voltage output terminal Vin of the power generation module 3 is connected to a ground terminal GND of the boost DC/DC converter U1 through the inductor L1, the diode D1, the voltage dividing resistor R1 and the voltage dividing resistor R2 in sequence, a voltage output terminal VDD of the boost DC/DC converter U1 is connected to a cathode of the diode D1, a feedback input terminal FB of the boost DC/DC converter U1 is connected to a node of the voltage dividing resistor R1 and the voltage dividing resistor R2, and an internal power switch output terminal LX of the boost DC/DC converter U1 is connected to an anode of the diode D1; one end of each of the decoupling capacitor C1 and the decoupling capacitor C2 is connected to the voltage output terminal VDD of the boost DC/DC converter U1, and the other end thereof is connected to the ground terminal GND of the boost DC/DC converter U1; one end of the decoupling capacitor C3 is connected with the voltage output positive terminal Vin of the power generation module 3, and the other end is connected with the voltage output negative terminal P-of the power generation module 3; the decoupling capacitor C4 is connected in parallel with the voltage dividing resistor R1.
In this embodiment, the output voltages P + and P-of the low voltage start circuit 4 are connected to the input terminal of the charge and discharge protection circuit 5. Preferably, as shown in fig. 4, the charge and discharge protection circuit 5 includes a battery protection chip U2, and the battery protection chip U2 is a DW01 model chip. A classic circuit of a DW01 model chip is shown in FIG. 4, an MOS switch tube is 8205A, and B + and B-are respectively connected with the anode and the cathode of a storage battery; p + and P-are respectively the positive electrode and the negative electrode of the output of the charge-discharge protection circuit 5. The battery of this example is a 18650 cell of 3.6V, 1800 mAh.
[ overdischarge protection ]
When the storage battery is discharged through an external electric control device, the voltage at two ends of the storage battery is slowly reduced, meanwhile, the voltage of the storage battery is monitored in real time through a resistor R1 in a battery protection chip U2 (namely DW01), when the voltage of the storage battery is reduced to 2.3V (generally called over-discharge protection voltage), the DWO1 type chip considers that the storage battery is in an over-discharge state, the pin ① voltage of the storage battery becomes 0, a switch tube Q1 in a MOS switch tube (namely 8205A) is cut off, at the moment, a gap between a B-of the storage battery and a P-of a protection circuit is in a cut-off state, namely, a discharge loop of the storage battery is cut off, the storage battery stops discharging, after the over-discharge protection state is reached, the voltage of the storage battery rises, if the voltage can rise to the threshold voltage of the IC (generally 3.1V and generally called over-discharge protection recovery voltage), a pin ① of DW0 recovers to output a high.
[ Battery charging ]
No matter whether the charge-discharge protection circuit 5 enters an overdischarge state, as long as a charge voltage is added between the P + and P-ends of the charge-discharge protection circuit 5, the DW01 outputs a high level from a pin ③ immediately after the charge voltage is detected by the B end, the switch tube Q2 in 8205A is conducted, namely the B-of the storage battery is conducted with the P-of the protection circuit, so that the storage battery is charged, and the current loop of the DW01 comprises the positive pole of the low-voltage starting circuit 4 → P + → B +, ⑥ of 8205A, the pin ⑦ → ⑧ of 8205A → the pin ① of 8205A → ② and the pin ③ of 8205A → the negative pole of the low-voltage starting circuit 4, the storage battery provides electric energy for an electric control device of the cooking range, and the output ends B + and B-of the storage battery are.
In this embodiment, in order to increase the power of the power generation module 3 for generating power by using the waste heat of gas combustion, a plurality of power generation modules 3 are provided; the power generation modules 3 are distributed annularly around the furnace end 1 of the stove.
Finally, it should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention, and not for limiting the protection scope of the present invention, although the present invention is described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions can be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention.
Claims (9)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010008447.9A CN111102605A (en) | 2020-01-06 | 2020-01-06 | Self-generating intelligent cooker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010008447.9A CN111102605A (en) | 2020-01-06 | 2020-01-06 | Self-generating intelligent cooker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111102605A true CN111102605A (en) | 2020-05-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010008447.9A Pending CN111102605A (en) | 2020-01-06 | 2020-01-06 | Self-generating intelligent cooker |
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| Country | Link |
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| CN (1) | CN111102605A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112054718A (en) * | 2020-08-14 | 2020-12-08 | 广东合胜厨电科技有限公司 | A thermoelectric power generation cooker power supply system and charging management method thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108317550A (en) * | 2018-04-12 | 2018-07-24 | 广东美的厨房电器制造有限公司 | A kind of intelligent stove of self power generation |
| CN209545222U (en) * | 2019-03-30 | 2019-10-25 | 汪艳平 | A kind of gas-cooker battery charger |
| CN211600801U (en) * | 2020-01-06 | 2020-09-29 | 浙江帅康电气股份有限公司 | Self-generating intelligent cooker |
-
2020
- 2020-01-06 CN CN202010008447.9A patent/CN111102605A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108317550A (en) * | 2018-04-12 | 2018-07-24 | 广东美的厨房电器制造有限公司 | A kind of intelligent stove of self power generation |
| CN209545222U (en) * | 2019-03-30 | 2019-10-25 | 汪艳平 | A kind of gas-cooker battery charger |
| CN211600801U (en) * | 2020-01-06 | 2020-09-29 | 浙江帅康电气股份有限公司 | Self-generating intelligent cooker |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112054718A (en) * | 2020-08-14 | 2020-12-08 | 广东合胜厨电科技有限公司 | A thermoelectric power generation cooker power supply system and charging management method thereof |
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