CN201657346U - Wide voltage control circuit of electric heating device - Google Patents
Wide voltage control circuit of electric heating device Download PDFInfo
- Publication number
- CN201657346U CN201657346U CN2010201513789U CN201020151378U CN201657346U CN 201657346 U CN201657346 U CN 201657346U CN 2010201513789 U CN2010201513789 U CN 2010201513789U CN 201020151378 U CN201020151378 U CN 201020151378U CN 201657346 U CN201657346 U CN 201657346U
- Authority
- CN
- China
- Prior art keywords
- input voltage
- controller mcu
- detection circuit
- circuit
- input
- 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.)
- Expired - Fee Related
Links
Images
Abstract
The utility model relates to a wide voltage control circuit of an electric heating device, comprising an input voltage detection circuit, a main controller MCU, a main control switch, a heating part and a temperature/pressure sensor detection circuit, wherein the input voltage detection circuit is connected with the main controller MCU which judges an input voltage value signal provided by the input voltage detection circuit and judges and memorializes the range of the input voltage; the heating part is connected with an input power supply through the main control switch, and a control signal of the main controller MCU is connected with the main control switch; the main controller MCU calls corresponding degree working mode according to the range value of the memorized input voltage and appropriately controls the working state of the main control switch so as to lead the working state of the heating part to be matched with the range value of the input voltage. The wide voltage control circuit of an electrical apparatus is especially applicable to circuit control of small household appliances such as electric cookers, electric pressure cookers and the like.
Description
Technical field
The utility model has related to a kind of wide voltage control circuit of electric heating appliance, especially at small household appliances circuit control field (electric cooker, electric pressure cooker etc.).
Background technology
At present, the operating voltage range of electric heating appliance on the market, especially at small household appliances appliance field (electric cooker, electric pressure cooker etc.), when design, its operating voltage range mainly is to be divided into two kinds of operating voltage zones [110V zone (100V-130V) and 220V zone (220V-240V)], and the input voltage fluctuation scope also can only adapt to positive and negative 10% deviation.
If input service voltage is the utensil in 110V (100V-130V) zone, during the 220V that works (220-240V), the possibility that utensil burns out will appear; If input service voltage is the utensil in 220V (220-240V) zone, during the 110V that works (100V-130V), the state that utensil can't operate as normal will appear.
The utility model content
In view of the single deficiency of electric heating appliance input service voltage range on the market, technical problem to be solved in the utility model provides a kind of wide voltage control circuit of electric heating appliance, adopts this control circuit can effectively solve the problem that the complete machine operating voltage adapts to Global Link voltage (100V-240V) fully.
In order to solve the problems of the technologies described above, the technical solution adopted in the utility model is: a kind of wide voltage control circuit of electric heating appliance comprises input voltage detection circuit, master controller MCU, main switching control, heat generating components and temperature/pressure sensor testing circuit; Input voltage detection circuit links to each other with master controller MCU, and master controller MCU judges the input voltage value signal that input voltage detection circuit provides, and judges the value range and the memory of its input voltage; Heat generating components is connected with the input power supply by main switching control, and master controller MCU control signal connects main switching control; Master controller MCU accesses corresponding degree working method according to the value range of the input voltage of aforementioned memory, in time controls the operating state of main switching control, makes the operating state of heat generating components and the value range of input voltage be complementary.
The beneficial effects of the utility model are: by the judgement of master controller MCU to the input voltage range value, promptly can control whole electric heating appliance automatically according to the information of input voltage value, make it normal use, and can not have that utensil burns out may or utensil can't operate as normal state, bring great convenience to the user.Adopt this control circuit can effectively solve the problem that electric heating appliance complete machine operating voltage adapts to Global Link voltage (100V-240V) fully.
Description of drawings
Fig. 1 is a theory diagram of the present utility model.
Fig. 2 is the circuit diagram of the utility model preferred embodiment.
Embodiment
Below in conjunction with the drawings and specific embodiments, further set forth the utility model.These embodiment be interpreted as only being used to the utility model is described and be not used in the restriction protection range of the present utility model.After the content of having read the utility model record, those skilled in the art can make various changes or modifications the utility model, and these equivalences change and modification falls into the utility model claim institute restricted portion equally.
As shown in Figure 1, the wide voltage control circuit of a kind of electric heating appliance that the utility model one preferred embodiment provides comprises input voltage detection circuit A, master controller MCU B, main switching control C, heat-generating disc D, temperature/pressure sensor testing circuit E; Input voltage detection circuit A links to each other with master controller MCU B, and master controller MCU B judges the input voltage value signal that input voltage detection circuit A provides, and judges the value range and the memory of its input voltage; Heat-generating disc D is connected with the input power supply by main switching control C, and master controller MCU B control signal connects main switching control C; Master controller MCU B accesses corresponding degree working method according to the value range of the input voltage of aforementioned memory, in time controls the operating state of main switching control C, makes the operating state of heat-generating disc D and the value range of input voltage be complementary.
As shown in Figure 2, in the present embodiment, circuit front-end is by D1, D2, D3, D4, D5, D6, D7, C1, L2, C2, C3, C4, C5, C6, C7, C8, C9, C10, the full R8 of IC1 and R1, R12, IC3, U1, devices such as IEE16 are formed switching power circuit, one of feature of switching power circuit shows as: import at AC when 80V arrives 260V, output can be stabilized in set point, the Switching Power Supply set point of present embodiment is 5V, when that is to say that input AC is within 80V arrives the 260V scope, the dc voltage value at C10 two ends all can be constant in 5V, this stable magnitude of voltage is connected to master controller (MCU) IC2, provides stable operating voltage with IC2.Simultaneously, through R14, U2, R15, to the 1st pin of IC2.
As shown in Figure 2, in the present embodiment, input voltage detection circuit is made of R13, U2, R14, R15, IC3, IC2.When input power supply during from input AC (L) and the input of input AC (N) two ends, the value of input voltage produces the loop through R13, U2, can direct be reacted to linearly when the size of input voltage value on the luminous quantity of light-emitting diode of U2 inside.The size of this luminous quantity also can directly have influence on the 1st pin dc voltage value of IC2 (MCU) linearly, by the inside AD value calculation process of IC2 (MCU), will detect input automatically at input AC (L) and input AC (N) two ends input voltage value.
As shown in Figure 2, in the present embodiment, main switching control, heat-generating disc are made of TK1, RY1, IC2 (MCU), R9, R10, R11, Q1.In sum, when the 1st pin by IC2 (MCU) detects input automatically at input AC (L) and input AC (N) two ends input voltage value.Will produce a drive level at the 2nd pin of IC2 (MCU),, connect the input power supply of heat-generating disc PY1 by Q1, R9, R10, R11 driving to TK1, this moment the complete machine operate as normal.Pass through the detection of temperature/pressure sensor circuit again, the 2nd pin of IC2 (MCU) produces a low level, thereby turn-off the input power supply of heat-generating disc PY1, control so repeatedly, but make the electric heating appliance operate as normal and situation that utensil burns out can not occur or state that utensil can't operate as normal, bring great convenience to the user.
As shown in Figure 2, the wide voltage control circuit of the described electric heating appliance of present embodiment, the electric heating appliance of compounding practice button interface and display interface makes it to adapt to Global Link voltage (100V-240V) scope, all can take great convenience to for like this manufacturer, sale, user; Reduce the production management cost and sell inventory cost can for simultaneously manufacturer and sale.
Claims (2)
1. the wide voltage control circuit of an electric heating appliance is characterized in that, comprises input voltage detection circuit, master controller MCU, main switching control, heat generating components and temperature/pressure sensor testing circuit; Input voltage detection circuit links to each other with master controller MCU, and master controller MCU judges the input voltage value signal that input voltage detection circuit provides, and judges the value range and the memory of its input voltage; Heat generating components is connected with the input power supply by main switching control, and master controller MCU control signal connects main switching control; Master controller MCU accesses corresponding degree working method according to the value range of the input voltage of aforementioned memory, in time controls the operating state of main switching control, makes the operating state of heat generating components and the value range of input voltage be complementary.
2. the wide voltage control circuit of electric heating appliance according to claim 1 is characterized in that, heat generating components is a heat-generating disc.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201513789U CN201657346U (en) | 2010-04-06 | 2010-04-06 | Wide voltage control circuit of electric heating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201513789U CN201657346U (en) | 2010-04-06 | 2010-04-06 | Wide voltage control circuit of electric heating device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201657346U true CN201657346U (en) | 2010-11-24 |
Family
ID=43122573
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201513789U Expired - Fee Related CN201657346U (en) | 2010-04-06 | 2010-04-06 | Wide voltage control circuit of electric heating device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201657346U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109561518A (en) * | 2017-09-25 | 2019-04-02 | 佛山市顺德区美的电热电器制造有限公司 | Heating control apparatus and cooking apparatus |
| WO2021136306A1 (en) * | 2019-12-31 | 2021-07-08 | 广东美的白色家电技术创新中心有限公司 | Heating circuit |
-
2010
- 2010-04-06 CN CN2010201513789U patent/CN201657346U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109561518A (en) * | 2017-09-25 | 2019-04-02 | 佛山市顺德区美的电热电器制造有限公司 | Heating control apparatus and cooking apparatus |
| CN109561518B (en) * | 2017-09-25 | 2023-02-24 | 佛山市顺德区美的电热电器制造有限公司 | Heating control device and cooking utensil |
| WO2021136306A1 (en) * | 2019-12-31 | 2021-07-08 | 广东美的白色家电技术创新中心有限公司 | Heating circuit |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106060975B (en) | Electric roasting/baking oven heating control system and control method | |
| CN201657346U (en) | Wide voltage control circuit of electric heating device | |
| CN202309671U (en) | Single live wire capacitor touch control wall switch | |
| CN201005501Y (en) | Power-saving device of the electric cooker | |
| CN203354297U (en) | Cooking device | |
| CN204836609U (en) | Novel base circuit structure of electrical heating electrical apparatus | |
| CN215642432U (en) | Intelligent air fryer circuit with double-frying-barrel function | |
| CN202502364U (en) | Electronic control system of boiling type water boiler | |
| CN204290391U (en) | For charging device and the charging plug of electric automobile | |
| CN1881114A (en) | Control system for intelligent disinfector | |
| CN202202175U (en) | Light emitting diode (LED) display intelligent control electric iron | |
| CN201601084U (en) | Intelligent energy-saving alternative-current direct-current contactor controller | |
| CN202158611U (en) | Rotary infrared temperature-controlled warmer | |
| CN201578586U (en) | Decocting device of later-added medicinal herbs for health care pot | |
| TWM383239U (en) | Safety power disconnection module for water-pumping motor | |
| CN2826755Y (en) | Wringing type electronic temperature control plug | |
| CN205248555U (en) | Intelligent socket | |
| CN201796304U (en) | Intelligent electric-heating controller with keystrokes | |
| CN203068665U (en) | Intelligent and safe controller for electric heating firebox | |
| CN103356061A (en) | Intelligent water heating pot | |
| CN201749384U (en) | Constant-temperature control device of intelligent footbath barrel | |
| CN2508433Y (en) | Real time leakage protection safety socket capable of discriminating between peak and valley power supply | |
| CN200993910Y (en) | Power switch delay circuit device | |
| CN202908504U (en) | Pressure sensing energy-saving control circuit device of electric pressure cooker | |
| CN203434390U (en) | Patchplug |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: POVOS ELECTRICAL APPLIANCE (SHANGHAI) CO., LTD. Free format text: FORMER OWNER: SHANGHAI POVOS ENTERPRISE (GROUP) CO., LTD. Effective date: 20110317 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 201613 NO. 999, HUSONG ROAD, SONGJIANG DISTRICT, SHANGHAI TO: 201613 BUILDING 7, NO. 999, HUSONG ROAD, SONGJIANG DISTRICT, SHANGHAI |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20110317 Address after: 201613 Shanghai, Songjiang District, Shanghai Pine Road No. 7, 999 Patentee after: Pentium Electrical Appliance (Shanghai) Co., Ltd. Address before: 201613, No. 999, Shanghai Pine Road, Songjiang District, Shanghai Patentee before: Shanghai POVOS Enterprise Group Co., Ltd. |
|
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20101124 Termination date: 20140406 |