CN201708965U - Power calibrating circuit of electromagnetic oven - Google Patents
Power calibrating circuit of electromagnetic oven Download PDFInfo
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- CN201708965U CN201708965U CN2010201517099U CN201020151709U CN201708965U CN 201708965 U CN201708965 U CN 201708965U CN 2010201517099 U CN2010201517099 U CN 2010201517099U CN 201020151709 U CN201020151709 U CN 201020151709U CN 201708965 U CN201708965 U CN 201708965U
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- 230000001105 regulatory effect Effects 0.000 claims abstract description 16
- 230000015572 biosynthetic process Effects 0.000 claims description 4
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- 238000005070 sampling Methods 0.000 abstract description 5
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- 238000010586 diagram Methods 0.000 description 4
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Abstract
The utility model relates to a power calibrating circuit of an electromagnetic oven, which comprises a voltage acquisition circuit, a voltage regulator circuit and a main control circuit which are sequentially connected, wherein the voltage regulator circuit outputs a voltage sampling value to the main control circuit, the voltage regulator circuit comprises a divider resistance and a voltage regulation resistance for regulating the voltage sampling value, the divider resistance is connected with the voltage regulation resistance, the voltage regulation resistance comprises a fixed resistance and a metal jumper which can be cut off to change the voltage sampling value, and the metal jumper is connected with the fixed resistance. When power is over low or over high, the jumper can be sheared and cut off so that the voltage sampling value output can be changed, and the effect of regulating the power of the electromagnetic oven can be achieved.
Description
Technical field
The utility model relates to the kitchen appliance field, particularly a kind of electromagnetic oven power calibration circuit of adjustable output power.
Background technology
The calibration of power circuit of electromagnetic oven in the prior art, comprise voltage collection circuit, the voltage regulator circuit that is connected with voltage collection circuit and the A/D converter that the voltage sampling signal of voltage regulator circuit is transformed, wherein voltage regulator circuit comprises divider resistance and pressure regulation rheostat, regulating resistor is a slide resistor, dispatching from the factory the calibration of power stage, the technologist comes the voltage sample value of regulating circuit by regulating slide rheostat (potentiometer), thereby reaches the purpose to the electromagnetic oven power calibration.But adopt slide rheostat to need to regulate continuously, expend man-hour, production efficiency is lower, and the sliding contact of this type of slide rheostat is subjected to greasy dirt, steam oxidation easily, causes that calibration exists than large deviation to electromagnetic oven power.
Summary of the invention
The technical problems to be solved in the utility model is to overcome above-mentioned problems of the prior art and provides a kind of simple to operate, can enhance productivity and calibration of power electromagnetic oven power calibration circuit comparatively accurately.
In order to solve the problems of the technologies described above, the technical solution adopted in the utility model is: a kind of electromagnetic oven power calibration circuit, comprise the voltage collection circuit, voltage regulator circuit and the governor circuit that connect successively, described voltage regulator circuit output voltage sampled value is in governor circuit, voltage regulator circuit comprises the regulating resistor of divider resistance and regulation voltage sampled value, described divider resistance is connected with regulating resistor, described regulating resistor comprises fixed resistance and can cut off to change the metal jumper of voltage sample value that described metal jumper is connected with fixed resistance.
Can cut off to change the metal jumper of voltage sample value owing in voltage regulator circuit, be provided with, the utlity model has following beneficial effect: when the power output that detects electromagnetic oven is on the low side or higher, calibration of power personnel can cut off metal jumper changes the voltage sample value that is input to governor circuit, the power output that governor circuit is regulated electromagnetic oven according to this voltage sample value reaches standard value, make calibration of power operation more simple like this, it is consuming time to have reduced technology, improved production efficiency, and not having slide rheostat to be subject to the defective of the influence of greasy dirt and oxidation, calibration accuracy is also higher.
Description of drawings
Fig. 1 is the theory diagram of the power adjusting circuit of electromagnetic oven in the utility model.
Fig. 2 is the diagram of first kind of calibration of power circuit of electromagnetic oven in the utility model.
Fig. 3 is the diagram of second kind of calibration of power circuit of electromagnetic oven in the utility model.
The main element label:
Divider resistance R1, R3 fixed resistance R2, R4
Metal jumper J1, J2 voltage sample point V1
Embodiment
Further specify the technical solution of the utility model below in conjunction with drawings and Examples.
As shown in Figure 1, schematic diagram for the calibration of power circuit of the utility model electromagnetic oven, the calibration of power circuit of electromagnetic oven comprises the voltage collection circuit of gathering mains voltage signal, the voltage regulator circuit that is connected with voltage collection circuit and can regulate the governor circuit of power output according to the voltage signal of voltage regulator circuit, receive governor circuit in addition and regulate the power control circuit of power output, voltage regulator circuit output voltage sampled value is in governor circuit.
First kind of preferred implementation of the utility model as shown in Figure 2, voltage regulator circuit comprises the regulating resistor of divider resistance and regulation voltage sampled value, divider resistance links to each other with regulating resistor, regulating resistor comprises fixed resistance R2, R4 and can cut off to change metal jumper J1, the J2 of voltage sample value, divider resistance comprises divider resistance R1 and divider resistance R3, is provided with the voltage sample point V1 that is connected in governor circuit between described divider resistance R1 and the divider resistance R2.After fixed resistance R2 and the metal jumper J1 series connection again with divider resistance R1 formations in parallel power increase loop, after described fixed resistance R4 and metal jumper J2 connect again with divider resistance R2 formation in parallel power reduction loop.Aforementioned two loop tie points are voltage sample point V1, the magnitude of voltage at voltage sample point V1 place is the voltage sample value, voltage sample point V1 is connected in governor circuit, and governor circuit can be adjusted the size of the power output of electromagnetic oven according to the size that voltage sample is put V1 place voltage sample value.Cut off when electromagnetic oven power is on the low side and cut off metal jumper J1 and make the magnitude of voltage step-down of the voltage sample point V1 that AD detects, the control signal of governor circuit output increase power uprises power output; When power is higher, to cut off metal jumper J2 and make voltage sample point V1 magnitude of voltage uprise, the control signal that governor circuit output reduces power makes the power output step-down, and operation is simple.
As shown in Figure 3, be second kind of preferred implementation of the present utility model, this execution mode and first kind of execution mode are basic identical, different is to connect with divider resistance R1 after fixed resistance R2 and the metal jumper J1 parallel connection to form power increase loop again, and connecting with divider resistance R2 after described fixed resistance R4 and the metal jumper J2 parallel connection forms the power reduction loop again.During operate as normal, metal jumper J1, J2 be respectively with R2, R4 short circuit, when needs are adjusted power, cuts off metal jumper J1, J2 and make the magnitude of voltage of 4 of resistance R 2 and resistance R change, thereby reach the effect of adjustment power.
Adopt metal jumper J1, J2 to replace traditional potentiometer in this creation, when power is on the low side or higher, cut off cut-out metal jumper J1, J2 the output of voltage sample value is changed, arrive the effect of regulating electromagnetic oven power.
According to principle of the present utility model, the improvement that calibration of power circuit in the scheme is done all should drop on the desired scope of claim of the present utility model.Will be appreciated that, above embodiment is used for illustrating the utility model, and be not to be used as qualification of the present utility model, as long as in connotation scope of the present utility model, all will drop in claims scope of the present utility model variation, the modification of the above embodiment.
Claims (4)
1. electromagnetic oven power calibration circuit, comprise the voltage collection circuit, voltage regulator circuit and the governor circuit that connect successively, described voltage regulator circuit output voltage sampled value is in governor circuit, voltage regulator circuit comprises the regulating resistor of divider resistance and regulation voltage sampled value, described divider resistance is connected with regulating resistor, it is characterized in that: described regulating resistor comprises fixed resistance and can cut off to change the metal jumper of voltage sample value that described metal jumper is connected with fixed resistance.
2. electromagnetic oven power calibration circuit according to claim 1, it is characterized in that: described divider resistance comprises divider resistance R1 and divider resistance R3, described fixed resistance comprises fixed resistance R2 and fixed resistance R4, described metal jumper comprises metal jumper J1 and metal jumper J2, is provided with the voltage sample point that is connected in governor circuit between described divider resistance R1 and the divider resistance R2.
3. electromagnetic oven power calibration circuit according to claim 2, it is characterized in that: after described fixed resistance R2 and the metal jumper J1 series connection again with divider resistance R1 formations in parallel power increase loop, after described fixed resistance R4 and metal jumper J2 connect again with divider resistance R2 formation in parallel power reduction loop.
4. electromagnetic oven power calibration circuit according to claim 2, it is characterized in that: connecting with divider resistance R1 after described fixed resistance R2 and the metal jumper J1 parallel connection forms power increase loop again, and connecting with divider resistance R2 after described fixed resistance R4 and the metal jumper J2 parallel connection forms the power reduction loop again.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201517099U CN201708965U (en) | 2010-04-07 | 2010-04-07 | Power calibrating circuit of electromagnetic oven |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201517099U CN201708965U (en) | 2010-04-07 | 2010-04-07 | Power calibrating circuit of electromagnetic oven |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201708965U true CN201708965U (en) | 2011-01-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201517099U Expired - Lifetime CN201708965U (en) | 2010-04-07 | 2010-04-07 | Power calibrating circuit of electromagnetic oven |
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| CN (1) | CN201708965U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104296191A (en) * | 2013-07-18 | 2015-01-21 | 九阳股份有限公司 | Electromagnetic oven and correction method thereof |
| CN109695899A (en) * | 2017-10-24 | 2019-04-30 | 佛山市顺德区美的电热电器制造有限公司 | Electromagnetic heating cooking utensil and its heating power bearing calibration and device |
| CN109804713A (en) * | 2016-10-25 | 2019-05-24 | 伊莱克斯家用电器股份公司 | Method for calibrating the power control circuit of induced cooking utensils |
| CN111083818A (en) * | 2019-12-31 | 2020-04-28 | 广东盈科电子有限公司 | Power regulating method and circuit for electromagnetic oven and storage medium |
-
2010
- 2010-04-07 CN CN2010201517099U patent/CN201708965U/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104296191A (en) * | 2013-07-18 | 2015-01-21 | 九阳股份有限公司 | Electromagnetic oven and correction method thereof |
| CN104296191B (en) * | 2013-07-18 | 2018-02-09 | 九阳股份有限公司 | Electromagnetic oven and its bearing calibration |
| CN109804713A (en) * | 2016-10-25 | 2019-05-24 | 伊莱克斯家用电器股份公司 | Method for calibrating the power control circuit of induced cooking utensils |
| CN109695899A (en) * | 2017-10-24 | 2019-04-30 | 佛山市顺德区美的电热电器制造有限公司 | Electromagnetic heating cooking utensil and its heating power bearing calibration and device |
| CN109695899B (en) * | 2017-10-24 | 2020-03-03 | 佛山市顺德区美的电热电器制造有限公司 | Electromagnetic heating cooking utensil and heating power correction method and device thereof |
| CN111083818A (en) * | 2019-12-31 | 2020-04-28 | 广东盈科电子有限公司 | Power regulating method and circuit for electromagnetic oven and storage medium |
| CN111083818B (en) * | 2019-12-31 | 2022-08-05 | 广东盈科电子有限公司 | Power regulating method and circuit for electromagnetic oven and storage medium |
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| C14 | Grant of patent or utility model | ||
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Granted publication date: 20110112 |
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| CX01 | Expiry of patent term |