CN204906747U - Multi -functional electromagnetic heating control chip - Google Patents
Multi -functional electromagnetic heating control chip Download PDFInfo
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- CN204906747U CN204906747U CN201520352209.4U CN201520352209U CN204906747U CN 204906747 U CN204906747 U CN 204906747U CN 201520352209 U CN201520352209 U CN 201520352209U CN 204906747 U CN204906747 U CN 204906747U
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Abstract
The utility model provides a multi -functional electromagnetic heating control chip, includes the phase detection unit for the control phase, translation unit frequently presses for inside frequency adjustment, temperature switch signal acquisition element for gather outside temperature switch volume, frequency signal acquisition unit for gather load signal frequency, electric current signal acquisition element for monitoring external load electric current, zero passage signal acquisition element for gather 50HZ alternating current signal source zero crossing, rectified voltage signal acquisition element for keep watch on the voltage variation after the power rectification, signal processing unit for signal after will gathering carries out the digitalized treatment, the logical operation unit for carry out the logical operation synthesis with the data signal between each unit, IGBT signal standardization output unit for enlarge the drive signal of logical operation unit and output, the utility model discloses a digit variable -frequency driving system's miniaturation integrates for the reliability improves by a wide margin, also makes the cost reduce by a wide margin.
Description
Technical field
The utility model relates to Electromagnetic Heating control field, specifically a kind of multifunction electromagnetic computer heating control chip.
Background technology
At present, the computer heating control mode of commercial induction cooker is of a great variety, substantially adopts 8 or 32 single-chip microcomputers to occupy staple market as the control circuit module of core, but also has the control mode adopting DSP or PLC.
What Electromagnetic Heating control circuit on the market adopted due to majority is that single-chip microcomputer is as control core; make it on the reflecting time of signal transacting, be in delicate level; particularly at big current, high-tension protection has been difficult to carry out available protecting again, secondly traditional kitchen tools as: fry stove.Traditional electromagnetic oven makes to throw pot and substantially can not realize.Its two, adopt the control mode of DSP or PLC, because this control mode cost is high, volume is large, and it is less economical, limits large-scale application commercially.
Therefore, this area need one badly and have that anti-interference is good, watt level can regulate, heat apart from adjustable, show malfunction in real time, low cost, the Electromagnetic Heating control chip of small size.
Utility model content
The utility model aims to provide a kind of practical multifunction electromagnetic computer heating control chip.
For realizing described object, the utility model provides following technical scheme: a kind of multifunction electromagnetic computer heating control chip, comprises power conversion unit, phase detection unit, voltage-frequency converting unit, temperature switch signal gathering unit, frequency signal collecting unit, current signal collecting unit, zero cross signal collecting unit, rectified voltage signal collecting unit, signal processing unit, arithmetic logic unit, IGBT signal shaping output unit and state-driven output unit; The connection of described power conversion unit and signal processing unit; The connection of described switching signal collecting unit and signal processing unit; The connection of described switching signal collecting unit and signal processing unit; The connection of described frequency signal collecting unit and signal processing unit; The connection of described current signal collecting unit and signal processing unit; The connection of described zero cross signal collecting unit and signal processing unit; The connection of described rectified voltage signal collecting unit and signal processing unit.
Preferably, described signal gathering unit also comprises with the processing procedure of signal processing unit: each signal be connected with the external world is carried out shaping and sends to signal processing unit by signal gathering unit, and these signals are carried out digitized processing by signal processing unit.
Preferably, described arithmetic logic unit is connected with phase detection unit.
Preferably, described arithmetic logic unit is connected with IGBT signal shaping output unit.
Preferably, described arithmetic logic unit is connected with state-driven output unit.
Preferably, described voltage-frequency converting unit is connected with IGBT signal shaping output unit.
Compared with prior art, the beneficial effects of the utility model are: this multifunction electromagnetic computer heating control chip, achieves the microminiaturization of digital frequency conversion drive system, integrated, reliability is significantly improved, also makes cost significantly reduce.
Accompanying drawing explanation
Fig. 1 is inner theory diagram of the present utility model;
Fig. 2 is that outside of the present utility model uses connection block diagram;
Fig. 3 is peripheral pin and the name figure of digital frequency conversion chip of the present utility model.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technical scheme in the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
Refer to Fig. 1-3, in the utility model embodiment, a kind of multifunction electromagnetic computer heating control chip, comprises the connection of power conversion unit and signal processing unit, for providing internal reference voltage; The connection of switching signal collecting unit 1 and signal processing unit, from chip pin to switching signal collecting unit 1, for detecting external control signal 1; The connection of switching signal collecting unit 2 and signal processing unit, from chip pin to switching signal collecting unit 2, for detecting external signal 2; The connection of frequency signal collecting unit and signal processing unit, from chip pin to frequency signal collecting unit, for detecting the frequency of external feedback; The connection of current signal collecting unit and signal processing unit, from chip pin to current signal collecting unit, for detecting external feedback current signal; The connection of zero cross signal collecting unit and signal processing unit, from chip pin to zero cross signal collecting unit, for detecting external ac power source signal zero crossing; The connection of rectified voltage signal collecting unit and signal processing unit, from chip pin to rectified voltage signal collecting unit, for detecting the voltage after external power source rectification; Signal gathering unit also comprises with the processing procedure of signal processing unit: each signal be connected with the external world is carried out shaping and sends to signal processing unit by signal gathering unit, and these signals are carried out digitized processing by signal processing unit.
The connection of described arithmetic logic unit and IGBT signal shaping output unit, for generation of with control external drive signal; The connection of arithmetic logic unit and phase detection unit, for adjusting the signal acquisition parameter of inner phase place; The connection of described arithmetic logic unit and state-driven output unit, thus condition indicative signal is connected to chip pin; , for the state that display driver complete machine runs; The connection of voltage-frequency converting unit and IGBT signal shaping output unit, for participating in the frequency adjustment of IGBT signal, thus is connected to chip pin by IGBT drive singal.
To those skilled in the art, obvious the utility model is not limited to the details of described one exemplary embodiment, and when not deviating from spirit of the present utility model or essential characteristic, can realize the utility model in other specific forms.Therefore, no matter from which point, all should embodiment be regarded as exemplary, and be nonrestrictive, scope of the present utility model is limited by claims instead of described explanation, and all changes be therefore intended in the implication of the equivalency by dropping on claim and scope are included in the utility model.Any Reference numeral in claim should be considered as the claim involved by limiting.
In addition, be to be understood that, although this specification is described according to execution mode, but not each execution mode only comprises an independently technical scheme, this narrating mode of specification is only for clarity sake, those skilled in the art should by specification integrally, and the technical scheme in each embodiment also through appropriately combined, can form other execution modes that it will be appreciated by those skilled in the art that.
Claims (6)
1. a multifunction electromagnetic computer heating control chip, it is characterized in that, comprise power conversion unit, phase detection unit, voltage-frequency converting unit, temperature switch signal gathering unit, frequency signal collecting unit, current signal collecting unit, zero cross signal collecting unit, rectified voltage signal collecting unit, signal processing unit, arithmetic logic unit, IGBT signal shaping output unit and state-driven output unit; The connection of described power conversion unit and signal processing unit; The connection of described switching signal collecting unit and signal processing unit; The connection of described switching signal collecting unit and signal processing unit; The connection of described frequency signal collecting unit and signal processing unit; The connection of described current signal collecting unit and signal processing unit; The connection of described zero cross signal collecting unit and signal processing unit; The connection of described rectified voltage signal collecting unit and signal processing unit.
2. a kind of multifunction electromagnetic computer heating control chip according to claim 1, it is characterized in that, described signal gathering unit also comprises with the processing procedure of signal processing unit: each signal be connected with the external world is carried out shaping and sends to signal processing unit by signal gathering unit, and these signals are carried out digitized processing by signal processing unit.
3. a kind of multifunction electromagnetic computer heating control chip according to claim 1, it is characterized in that, described arithmetic logic unit is connected with phase detection unit.
4. a kind of multifunction electromagnetic computer heating control chip according to claim 1, it is characterized in that, described arithmetic logic unit is connected with IGBT signal shaping output unit.
5. a kind of multifunction electromagnetic computer heating control chip according to claim 1, it is characterized in that, described arithmetic logic unit is connected with state-driven output unit.
6. a kind of multifunction electromagnetic computer heating control chip according to claim 1, it is characterized in that, described voltage-frequency converting unit is connected with IGBT signal shaping output unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520352209.4U CN204906747U (en) | 2015-05-25 | 2015-05-25 | Multi -functional electromagnetic heating control chip |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520352209.4U CN204906747U (en) | 2015-05-25 | 2015-05-25 | Multi -functional electromagnetic heating control chip |
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| CN204906747U true CN204906747U (en) | 2015-12-23 |
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| CN201520352209.4U Expired - Fee Related CN204906747U (en) | 2015-05-25 | 2015-05-25 | Multi -functional electromagnetic heating control chip |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104869677A (en) * | 2015-05-25 | 2015-08-26 | 福建守正节能科技有限公司 | Multifunctional electromagnetic heating control chip |
| CN107490712A (en) * | 2017-04-19 | 2017-12-19 | 安徽华脉科技发展有限公司 | A kind of multipurpose low-power consumption detecting system |
-
2015
- 2015-05-25 CN CN201520352209.4U patent/CN204906747U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104869677A (en) * | 2015-05-25 | 2015-08-26 | 福建守正节能科技有限公司 | Multifunctional electromagnetic heating control chip |
| CN107490712A (en) * | 2017-04-19 | 2017-12-19 | 安徽华脉科技发展有限公司 | A kind of multipurpose low-power consumption detecting system |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151223 Termination date: 20190525 |