CN202231879U - Heating process control chip - Google Patents
Heating process control chip Download PDFInfo
- Publication number
- CN202231879U CN202231879U CN2011203095344U CN201120309534U CN202231879U CN 202231879 U CN202231879 U CN 202231879U CN 2011203095344 U CN2011203095344 U CN 2011203095344U CN 201120309534 U CN201120309534 U CN 201120309534U CN 202231879 U CN202231879 U CN 202231879U
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- China
- Prior art keywords
- process control
- heating process
- control chip
- unit
- display driver
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Abstract
The utility model discloses a heating process control chip, comprising a one-chip microcomputer used for curing a heating process control software, an oscillation unit used for generating an AC signal, a zero-crossing detection unit used for detecting a zero-crossing signal of an AC power supply, a voltage detection reset unit used for detecting the power supply voltage of the heating process control chip and resetting the heating process control chip when the power supply voltage is less than the voltage that the heating process control chip can bears, and a display driving unit used for amplifying the AC signal. The oscillation unit, the zero-crossing detection unit, the voltage detection reset unit and the display driving unit are connected with the one-chip microcomputer separately. By employing the heating process control chip of the utility model, users can finish the developments of whole control systems just by carrying out simple secondary development and simple parameter setting, thereby reducing the development difficulty substantially, shortening the development period, and reducing product cost.
Description
Technical field
The utility model relates to a kind of chip, relates in particular to a kind of heating process control chip.
Background technology
Adopt general in the market single-chip microcomputer the control chip of existing heating series products (like electric cooker, electric pressure cooker etc.), and develop separately to each product by the software engineer.The heating control mode of every money product may be because of the difference of product, chip is different or engineers' difference and produce very big difference, and brings very big development difficulty thus, and can not guarantee consistency of product.In addition, owing to used general single-chip microcomputer, peripheral circuit is more, not only takes up room, and is unfavorable for later maintenance, and waste material, and cost is higher.
The utility model content
The utility model technical problem to be solved is, provides a kind of cost low, and the construction cycle is short, uses simple heating process control chip.
In order to solve the problems of the technologies described above, the utility model provides a kind of heating process control chip, comprising: single-chip microcomputer is used to solidify the heating process Control Software; Oscillating unit is used to produce AC signal; The zero passage detection unit is used to detect the zero cross signal of AC power; The voltage detecting reset unit is used to detect the supply power voltage of said heating process control chip, when said supply power voltage is lower than the voltage that said heating process control chip can bear, said heating process control chip is resetted; The display driver unit is used to amplify said AC signal; Said oscillating unit, zero passage detection unit, voltage detecting reset unit and display driver unit link to each other respectively with said single-chip microcomputer.
As the improvement of such scheme, described heating process control chip also comprises the button detecting unit of the state that is used to detect button.
As the improvement of such scheme, said oscillating unit is provided with RC vibration subelement.
As the improvement of such scheme, said display driver unit comprises: LED display driver subelement is used for directly being connected with LED; LCD display driver subelement is used for directly being connected with LCD.
The beneficial effect of implementing the utility model is: heating process Control Software and hardware cell are fixedly arranged in the said heating process control chip; The client only needs simple secondary development, just can accomplish the exploitation of all control system through the simple parameters setting.Greatly reduce development difficulty, shortened the construction cycle, reduced product cost.
Description of drawings
Fig. 1 is the first example structure sketch map of a kind of heating process control chip of the utility model;
Fig. 2 is the second example structure sketch map of a kind of heating process control chip of the utility model.
Embodiment
For the purpose, technical scheme and the advantage that make the utility model is clearer, will combine accompanying drawing that the utility model is done to describe in detail further below.
Fig. 1 is the first example structure sketch map of a kind of heating process control chip of the utility model, comprising:
Single-chip microcomputer 1 is used to solidify the heating process Control Software.
Said single-chip microcomputer 1 is the main kernel of said heating process control chip, carries out the instruction that is solidificated in the heating process Control Software on the said single-chip microcomputer 1.Remain with numerous parameters in the said heating process Control Software, the user can be provided with parameter through ROM or RAM, so that be applicable to Different products.
Said ROM comprises: the general program space, and the user can carry out secondary development in said general program space; The dedicated program space, said heating process Control Software is deposited in said dedicated program space; The parameter parking space, the user can be through leaving parameter in said parameter parking space to adjust said heating process Control Software.
Said RAM comprises: general register is used to carry out the secondary development of said heating process Control Software; Special register, said heating process Control Software is used said special register, and the user can read or revise said special register.
Oscillating unit 2 is used to produce AC signal.
Be provided with oscillating circuit in the said oscillating unit 2, said oscillating circuit is made up of resistance and electric capacity.
Zero passage detection unit 3 is used to detect the zero cross signal of AC power.
Be provided with zero cross detection circuit in the said zero passage detection unit 3, avoid the on off state of super-high-current.
Voltage detecting reset unit 4 is used to detect the supply power voltage of said heating process control chip.
Be provided with the voltage detecting reset circuit in the said voltage detecting reset unit 4, when said supply power voltage is lower than the voltage that said heating process control chip can bear, said heating process control chip resetted.
Be provided with display driver circuit in the said display driver unit 5, the AC signal that said oscillating unit 2 is produced amplifies, and the AC signal that said warp is amplified can the driving power transistor.
Said oscillating unit 2, zero passage detection unit 3, voltage detecting reset unit 4 and display driver unit 5 link to each other respectively with said single-chip microcomputer 1.
Said oscillating unit 2, zero passage detection unit 3, voltage detecting reset unit 4 and display driver unit 5 are built on the said heating process control chip; And directly be connected with display lamp by the pin of said heating process control chip; Reduce the related peripheral circuit that said heating process control chip need connect in use effectively, saved a large amount of electronic devices and components.Coordinate the work of said oscillating unit 2, zero passage detection unit 3, voltage detecting reset unit 4 and display driver unit 5 by said heating process control chip.
Fig. 2 is the second example structure sketch map of a kind of heating process control chip of the utility model, and different with Fig. 1 is, said heating process control chip also comprises the button detecting unit 6 of the state that is used to detect button.
Need to prove that said button detecting unit 6 can link together with said display driver unit 5, form scanning element.
More preferably, said oscillating unit 2 is provided with RC vibration subelement 21.
Be provided with the RC oscillating circuit in the said RC vibration subelement 21, be applicable to low-frequency oscillation, can produce the low frequency signal of 1Hz ~ 1MHz.In addition, only need to reduce frequency of oscillation, need not to increase cost through increasing resistance.
More preferably, said display driver unit 5 comprises:
LED display driver subelement 51 is used for directly being connected with LED.
LCD display driver subelement 52 is used for directly being connected with LCD.
Said heating process control chip can directly link to each other with said LED or LCD through said LED display driver subelement 51 or LCD display driver subelement 52, and does not need other components and parts.
Need to prove; The user is when using said heating process control chip; Need connect according to the characteristic of said heating process control chip and go up relevant circuit, sensor circuit, power output driving circuit, buzz circuit, power supply transformation power supply circuits etc. are arranged respectively.After the said heating process control chip energising, said oscillating unit 2 converts the stable DC low-tension current that power supply provides into AC signal.Said heating process control chip is according to the works of the said heating process Control Software of inside solidification; Through said button detecting unit 6 scanning key switches and judge key value, judge heating function after reading key value, receive the temperature of the detected current heating electrical appliance internal liquid of said sensor circuit simultaneously; And data are handled; Select heating schedule, send control signal according to the heating curves of said heating process control chip internal preset, said heating power drive circuit receives control signal; Liquid is heated, and in heating, carry out condition monitoring.In addition, when the temperature that receives said sensor circuit detection surpassed the threshold values that is provided with, said heating process control chip sent alarm command to said buzzer circuit.
By on can know that said heating process Control Software and peripheral circuit are fixedly arranged in the said heating process control chip, and the user can reduce these peripheral circuits on controller when using said heating process control chip and design circuit.In addition, the user only needs simple secondary development, just can accomplish the exploitation of all control system through the simple parameters setting, greatly reduces development difficulty, has shortened the construction cycle, has reduced product cost.
The above is the preferred implementation of the utility model; Should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the principle of the invention; Can also make some improvement and retouching, these improvement and retouching also are regarded as the protection range of the utility model.
Claims (4)
1. a heating process control chip is characterized in that, said heating process control chip comprises:
Single-chip microcomputer is used to solidify the heating process Control Software;
Oscillating unit is used to produce AC signal;
The zero passage detection unit is used to detect the zero cross signal of AC power;
The voltage detecting reset unit is used to detect the supply power voltage of said heating process control chip, when said supply power voltage is lower than the voltage that said heating process control chip can bear, said heating process control chip is resetted;
The display driver unit is used to amplify said AC signal;
Said oscillating unit, zero passage detection unit, voltage detecting reset unit and display driver unit link to each other respectively with said single-chip microcomputer.
2. heating process control chip as claimed in claim 1 is characterized in that, also comprises the button detecting unit of the state that is used to detect button.
3. heating process control chip as claimed in claim 1 is characterized in that, said oscillating unit is provided with RC vibration subelement.
4. heating process control chip as claimed in claim 1 is characterized in that, said display driver unit comprises:
LED display driver subelement is used for directly being connected with LED;
LCD display driver subelement is used for directly being connected with LCD.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203095344U CN202231879U (en) | 2011-08-24 | 2011-08-24 | Heating process control chip |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203095344U CN202231879U (en) | 2011-08-24 | 2011-08-24 | Heating process control chip |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202231879U true CN202231879U (en) | 2012-05-23 |
Family
ID=46082449
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203095344U Expired - Lifetime CN202231879U (en) | 2011-08-24 | 2011-08-24 | Heating process control chip |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202231879U (en) |
-
2011
- 2011-08-24 CN CN2011203095344U patent/CN202231879U/en not_active Expired - Lifetime
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170206 Address after: 528000 Guangdong, Chancheng, south of the Five Ridges District, North Avenue, No. 131, room three, one of the 2606 Patentee after: Foshan chef Network Technology Co. Ltd. Address before: 528137 Guangdong city in Foshan Province, Leping Town, Sanshui District, West Road No. 13 East high-tech business center Patentee before: He Yizhi Patentee before: You Xiaoyong |
|
| CX01 | Expiry of patent term |
Granted publication date: 20120523 |
|
| CX01 | Expiry of patent term |