CN205847645U - Novel electromagnetic heating controls device back-pressure Detection & Controling device - Google Patents
Novel electromagnetic heating controls device back-pressure Detection & Controling device Download PDFInfo
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- CN205847645U CN205847645U CN201620700466.7U CN201620700466U CN205847645U CN 205847645 U CN205847645 U CN 205847645U CN 201620700466 U CN201620700466 U CN 201620700466U CN 205847645 U CN205847645 U CN 205847645U
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- pressure
- electromagnetic heating
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Abstract
The utility model discloses a kind of Novel electromagnetic heating and control device back-pressure Detection & Controling device, it includes IH heater element, IH electromagnetic heating controller, main control chip MCU, it also includes: be connected to first sync detection circuit of main control chip MCU by the first synchronous detecting mouth, and it is connected to IH heater element；Being connected to second sync detection circuit of main control chip MCU by the second synchronous detecting mouth, it is connected to IH electromagnetic heating controller.This utility model by second sync detection circuit obtain synchronizing signal to MCU while, the synchronization of this pin of MCU is arranged the back-pressure value that can detect IH computer heating control device, the detection of back-pressure AD is made to share a port with sync comparator, MCU gathers back-pressure value and is converted to digital signal, analogue signal is quantified more accurate, control the device back-pressure value by detection, IH can be adjusted as required and control the dutycycle of device, thus adjust the back-pressure controlling device, by feedback control back-pressure, this Detection & Controling mode accurately and fast and has seriality.
Description
Technical field
This utility model relates to IH electromagnetic heating technique field, especially relates to a kind of Novel electromagnetic heating control device anti-
Pressure Detection & Controling device.
Background technology
At present, conventional IH heating control circuit can not detect the back-pressure of IH computer heating control device, or by other detection
Result reflects that IH controls the back-pressure of device indirectly, or detection IH computer heating control device back-pressure needs two mouths with synchronous circuit.
The first is to be measured by experiment to obtain, repeatedly different testing scheme test data maximum back-pressure values, it is impossible to simulation
The various occupation mode of user thus cannot guarantee control device in rational scope, it is impossible to back-pressure is fed back to control device；
The second is indirectly to reflect that IH controls the back-pressure value of device by other testing result, inaccurate；
The third is that synchronous circuit and the sampling of back-pressure AD separate two chip port detection back-pressure values, takies chip pin money
Source.
In sum, the degree of accuracy of traditional solution is not good enough, and lacks corresponding seriality.
Utility model content
Mesh of the present utility model is to provide a kind of Novel electromagnetic heating to control device back-pressure Detection & Controling device, its tool
There is Detection & Controling mode feature accurately and fast, and there is seriality.
For solving above-mentioned technical problem, embodiment of the present utility model provides a kind of Novel electromagnetic heating and controls device
Back-pressure Detection & Controling device, it includes IH heater element, the IH electromagnetic heating controller being connected to IH heater element, is connected to IH electricity
Main control chip MCU, the IH heater element of magnetic heating controller, IH battery heating controller are connected to rectifier bridge, and it also includes: pass through
First synchronous detecting mouth and be connected to first sync detection circuit of main control chip MCU, it is connected to IH heater element；Same by second
Step detects mouth and is connected to main control chip MCU and the second sync detection circuit as back-pressure testing circuit, and it is connected to IH electromagnetism and adds
Heat controller；Wherein, described second synchronous detecting mouth be connected to described main control chip MCU back-pressure value detection compare with synchronizing signal
Multiplexing pins.
Further, the main control chip MCU incoming end of the first sync detection circuit connects the first divider resistance having ground connection；
The main control chip MCU incoming end of the second sync detection circuit connects the second divider resistance having ground connection；
Wherein, between the main control chip MCU incoming end of first, second sync detection circuit, connection has filter capacitor.
Further, first, second sync detection circuit is the electric resistance structure of series connection.
Previously described Novel electromagnetic heating controls in device back-pressure Detection & Controling device, the first sync detection circuit with
Signal is had the energizing signal moment (transferred to 1 by 0 or transferred to 0 by 1) to synchronize to take synchronization inspection through MCU process by the second synchronous detecting detection
Survey 2 back-pressure values number.
Compared with prior art, this utility model by second sync detection circuit obtain synchronizing signal to MCU while,
The synchronization of this pin of MCU is arranged the back-pressure value that can detect IH computer heating control device, makes the detection of back-pressure AD and sync comparator
Sharing a port, MCU gathers back-pressure value and is converted to digital signal, analogue signal is quantified more accurate, controls device and pass through
The back-pressure value of detection, can adjust IH as required and control the dutycycle of device, thus adjust the back-pressure controlling device, by instead
Feedback controls back-pressure, and this Detection & Controling mode accurately and fast and has seriality.
Accompanying drawing explanation
Fig. 1 is that Novel electromagnetic heating controls device back-pressure Detection & Controling schematic diagram of device.
Detailed description of the invention
For the technological means making this utility model realize, creation characteristic, reach purpose and be easy to understand with effect, under
Face in conjunction with specific embodiments, is expanded on further this utility model.
As it is shown in figure 1, a kind of Novel electromagnetic heating controls device back-pressure Detection & Controling device (hereinafter referred to as " this dress
Put "), it includes IH heater element 4, the IH electromagnetic heating controller 1 being connected to IH heater element 4, is connected to the control of IH Electromagnetic Heating
Main control chip MCU5, the IH heater element of device 1, IH battery heating controller are connected to rectifier bridge 6, at IH electromagnetic heating controller 1
And being provided with resistance between rectifier bridge, this device also includes be connected to main control chip MCU5 by the first synchronous detecting mouth A
One sync detection circuit 2, it is connected to IH heater element 4；It is connected to main control chip MCU5 and conduct by the second synchronous detecting mouth B
Second sync detection circuit 3 of back-pressure testing circuit, it is connected to IH electromagnetic heating controller 1, wherein, described second synchronous detecting
Mouth is connected to the back-pressure value detection of described main control chip MCU and compares multiplexing pins C with synchronizing signal, the first sync detection circuit and the
Two sync detection circuits transmit a signal to main control chip MCU, process to obtain synchronizing signal, simultaneously master control core through main control chip MCU
Sheet MCU can the signal (IH computer heating control device back-pressure) of synchronization process the second sync detection circuit, MCU obtains back-pressure value, i.e. with
Step signal merges into a port with back-pressure two signals collecting.
By foregoing it is seen that, the second synchronous detecting mouth B being connected with main control chip MCU is as multiplexing mouth, both
Back-pressure value can be detected, can compare with synchronizing signal again.Further, in this case, synchronizing signal is merged into back-pressure two signals collecting
One port (detection of back-pressure value compares multiplexing pins C with synchronizing signal).
Further, the main control chip MCU incoming end of the first sync detection circuit connects the first divider resistance 7 having ground connection, the
The main control chip MCU incoming end of two sync detection circuits connects the second divider resistance 9 having ground connection, and wherein, first, second synchronizes
Connect between the main control chip MCU incoming end of testing circuit and have filter capacitor 8.
From Fig. 1 it is seen that, first, second sync detection circuit is constituted by the resistance of two series connection, and IH electromagnetism
Heating controller 1 (containing diode and electric capacity), IH heater element 4 (containing inductance, electric capacity) belong to prior art, at this most in addition
Repeat.
The operation principle of this case is, while the second sync detection circuit acquisition synchronizing signal is to main control chip MCU, logical
Arranging of process ordered pair this pin of MCU synchronizes to detect the back-pressure value of IH computer heating control device, makes back-pressure AD detect with Tong Bu
Comparator shares a port, and MCU gathers back-pressure value and is converted to digital signal, quantifies more accurate by analogue signal；Program is led to
Cross the back-pressure value of detection, IH can be adjusted as required and control the dutycycle of device, thus adjust the back-pressure controlling device, pass through
Feedback control device back-pressure.
Back-pressure detection is processed as digital signal through MCU, through the back-pressure data that MCU processes, it is provided that to IH heating schedule, thus
Adjust IH computer heating control device dutycycle as required, control back-pressure, effectively protection IH computer heating control device excessive pressure damages.
It will be understood by those skilled in the art that the respective embodiments described above are to realize of the present utility model being embodied as
Example, and in actual applications, can to it, various changes can be made in the form and details, without departing from spirit of the present utility model
And scope.
Claims (3)
1. Novel electromagnetic heating controls device back-pressure Detection & Controling device, and it includes IH heater element, is connected to IH heater element
IH electromagnetic heating controller, be connected to the main control chip MCU of described IH electromagnetic heating controller, described IH heater element, IH electricity
Pond heating controller is connected to rectifier bridge, it is characterised in that also include:
Being connected to first sync detection circuit of described main control chip MCU by the first synchronous detecting mouth, it is connected to described IH and adds
Thermal device；
Described main control chip MCU and the second synchronous detecting electricity as back-pressure testing circuit it is connected to by the second synchronous detecting mouth
Road, it is connected to described IH electromagnetic heating controller；
Wherein, described second synchronous detecting mouth be connected to described main control chip MCU back-pressure value detection compare multiplexing with synchronizing signal
Pin.
Novel electromagnetic heating the most according to claim 1 controls device back-pressure Detection & Controling device, it is characterised in that institute
The main control chip MCU incoming end stating the first sync detection circuit connects the first divider resistance having ground connection；
The main control chip MCU incoming end of described second sync detection circuit connects the second divider resistance having ground connection；
Wherein, between the main control chip MCU incoming end of described first, second sync detection circuit, connection has filter capacitor.
Novel electromagnetic heating the most according to claim 1 controls device back-pressure Detection & Controling device, it is characterised in that institute
State the electric resistance structure that first, second sync detection circuit is series connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620700466.7U CN205847645U (en) | 2016-06-29 | 2016-06-29 | Novel electromagnetic heating controls device back-pressure Detection & Controling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620700466.7U CN205847645U (en) | 2016-06-29 | 2016-06-29 | Novel electromagnetic heating controls device back-pressure Detection & Controling device |
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| Publication Number | Publication Date |
|---|---|
| CN205847645U true CN205847645U (en) | 2016-12-28 |
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|---|---|---|---|
| CN201620700466.7U Active CN205847645U (en) | 2016-06-29 | 2016-06-29 | Novel electromagnetic heating controls device back-pressure Detection & Controling device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107277952A (en) * | 2017-06-07 | 2017-10-20 | 杭州九阳欧南多小家电有限公司 | The Poewr control method and cooker of a kind of electromagnetic heater |
| US20210076460A1 (en) * | 2018-04-03 | 2021-03-11 | Foshan Shunde Midea Electrical Heating Appliances Manufacturing Co., Ltd. | Electromagnetically heated cooking utensil, and heating control circuit and method therefor |
-
2016
- 2016-06-29 CN CN201620700466.7U patent/CN205847645U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107277952A (en) * | 2017-06-07 | 2017-10-20 | 杭州九阳欧南多小家电有限公司 | The Poewr control method and cooker of a kind of electromagnetic heater |
| CN107277952B (en) * | 2017-06-07 | 2020-12-04 | 杭州九阳小家电有限公司 | Power control method of electromagnetic heating device and cooking device |
| US20210076460A1 (en) * | 2018-04-03 | 2021-03-11 | Foshan Shunde Midea Electrical Heating Appliances Manufacturing Co., Ltd. | Electromagnetically heated cooking utensil, and heating control circuit and method therefor |
| US11751292B2 (en) * | 2018-04-03 | 2023-09-05 | Foshan Shunde Midea Electrical Heating Appliances Manufacturing Co., Ltd. | Electromagnetically heated cooking utensil, and heating control circuit and method therefor |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20180929 Address after: 273100 1 road four, industrial park, Qufu, Jining, Shandong Patentee after: Qufu Xin Da Intelligent Technology Co., Ltd. Address before: 311228 Linjiang Industrial Park, Xiaoshan District, Hangzhou, Zhejiang, No. 2977, No. six road. Patentee before: Hangzhou Sinodod Electric Co., Ltd. |